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libs/freetype-2.5.0.1/docs/CHANGES
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How to customize the compilation of the library
===============================================
FreeType is highly customizable to fit various needs, and this
document describes how it is possible to select options and
components at compilation time.
I. Configuration macros
The file found in `include/freetype/config/ftoption.h' contains a
list of commented configuration macros that can be toggled by
developers to indicate which features should be active while
building the library.
These options range from debug level to availability of certain
features, like native TrueType hinting through a bytecode
interpreter.
We invite you to read this file for more information. You can
change the file's content to suit your needs, or override it with
one of the techniques described below.
II. Modules list
If you use GNU make please edit the top-level file `modules.cfg'.
It contains a list of available FreeType modules and extensions to
be compiled. Change it to suit your own preferences. Be aware that
certain modules depend on others, as described in the file. GNU
make uses `modules.cfg' to generate `ftmodule.h' (in the object
directory).
If you build FreeType in a directory separate from the source files,
put your customized `modules.cfg' in that directory; that way you
can keep the source files `clean'.
If you don't use GNU make you have to manually edit the file
`include/freetype/config/ftmodule.h' (which is *not* used with if
compiled with GNU make) to add or remove the drivers and components
you want to compile into the library. See `INSTALL.ANY' for more
information.
III. System interface
FreeType's default interface to the system (i.e., the parts that
deal with memory management and i/o streams) is located in
`src/base/ftsystem.c'.
The current implementation uses standard C library calls to manage
memory and to read font files. It is however possible to write
custom implementations to suit specific systems.
To tell the GNU Make-based build system to use a custom system
interface, you have to define the environment variable FTSYS_SRC to
point to the relevant implementation:
on Unix:
./configure <your options>
export FTSYS_SRC=foo/my_ftsystem.c
make
make install
on Windows:
make setup <compiler>
set FTSYS_SRC=foo/my_ftsystem.c
make
IV. Overriding default configuration and module headers
It is possible to override the default configuration and module
headers without changing the original files. There are three ways
to do that:
1. With GNU make
[This is actually a combination of method 2 and 3.]
Just put your custom `ftoption.h' file into the objects directory
(normally `<topdir>/objs' if you build in the source tree, or the
directory where you invoke configure if you build in a separate
directory), which GNU make prefers over the standard location. No
action is needed for `ftmodule.h' because it is generated
automatically in the objects directory.
2. Using the C include path
Use the C include path to ensure that your own versions of the
files are used at compile time when the lines
#include FT_CONFIG_OPTIONS_H
#include FT_CONFIG_MODULES_H
are compiled. Their default values being
<freetype/config/ftoption.h> and <freetype/config/ftmodule.h>, you
can do something like:
custom/
freetype/
config/
ftoption.h => custom options header
ftmodule.h => custom modules list
include/ => normal FreeType 2 include
freetype/
...
then change the C include path to always give the path to `custom'
before the FreeType 2 `include'.
3. Redefining FT_CONFIG_OPTIONS_H and FT_CONFIG_MODULES_H
Another way to do the same thing is to redefine the macros used to
name the configuration headers. To do so, you need a custom
`ft2build.h' whose content can be as simple as:
#ifndef __FT2_BUILD_MY_PLATFORM_H__
#define __FT2_BUILD_MY_PLATFORM_H__
#define FT_CONFIG_OPTIONS_H <custom/my-ftoption.h>
#define FT_CONFIG_MODULES_H <custom/my-ftmodule.h>
#include <freetype/config/ftheader.h>
#endif /* __FT2_BUILD_MY_PLATFORM_H__ */
Place those files in a separate directory, e.g.,
custom/
ft2build.h => custom version described above
my-ftoption.h => custom options header
my-ftmodule.h => custom modules list header
and change the C include path to ensure that `custom' is always
placed before the FT2 `include' during compilation.
----------------------------------------------------------------------
Copyright 2003, 2005, 2006, 2012 by
David Turner, Robert Wilhelm, and Werner Lemberg.
This file is part of the FreeType project, and may only be used,
modified, and distributed under the terms of the FreeType project
license, LICENSE.TXT. By continuing to use, modify, or distribute
this file you indicate that you have read the license and understand
and accept it fully.
--- end of CUSTOMIZE ---
libs/freetype-2.5.0.1/docs/DEBUG
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Debugging within the FreeType sources
=====================================
I. Configuration macros
-----------------------
There are several ways to enable debugging features in a FreeType 2
builds. This is controlled through the definition of special macros
located in the file `ftoptions.h'. The macros are:
FT_DEBUG_LEVEL_ERROR
#define this macro if you want to compile the FT_ERROR macro calls
to print error messages during program execution. This will not
stop the program. Very useful to spot invalid fonts during
development and to code workarounds for them.
FT_DEBUG_LEVEL_TRACE
#define this macro if you want to compile both macros FT_ERROR and
FT_TRACE. This also includes the variants FT_TRACE0, FT_TRACE1,
FT_TRACE2, ..., FT_TRACE7.
The trace macros are used to send debugging messages when an
appropriate `debug level' is configured at runtime through the
FT2_DEBUG environment variable (more on this later).
FT_DEBUG_MEMORY
If this macro is #defined, the FreeType engine is linked with a
small but effective debugging memory manager that tracks all
allocations and frees that are performed within the font engine.
When the FT2_DEBUG_MEMORY environment variable is defined at
runtime, a call to FT_Done_FreeType will dump memory statistics,
including the list of leaked memory blocks with the source locations
where these were allocated. It is always a very good idea to define
this in development builds. This works with _any_ program linked to
FreeType, but requires a big deal of memory (the debugging memory
manager never frees the blocks to the heap in order to detect double
frees).
When FT2_DEBUG_MEMORY isn't defined at runtime, the debugging memory
manager is ignored, and performance is unaffected.
II. Debugging macros
--------------------
Several macros can be used within the FreeType sources to help debugging
its code:
1. FT_ERROR(( ... ))
This macro is used to send debug messages that indicate relatively
serious errors (like broken font files), but will not stop the
execution of the running program. Its code is compiled only when
either FT_DEBUG_LEVEL_ERROR or FT_DEBUG_LEVEL_TRACE are defined in
`ftoption.h'.
Note that you have to use a printf-like signature, but with double
parentheses, like in
FT_ERROR(( "your %s is not %s\n", "foo", "bar" ));
2. FT_ASSERT( condition )
This macro is used to check strong assertions at runtime. If its
condition isn't TRUE, the program will abort with a panic message.
Its code is compiled when either FT_DEBUG_LEVEL_ERROR or
FT_DEBUG_LEVEL_TRACE are defined. You don't need double parentheses
here. For example
FT_ASSERT( ptr != NULL );
3. FT_TRACE( level, (message...) )
The FT_TRACE macro is used to send general-purpose debugging
messages during program execution. This macro uses an *implicit*
macro named FT_COMPONENT used to name the current FreeType component
being run.
The developer should always define FT_COMPONENT as appropriate, for
example as in
#undef FT_COMPONENT
#define FT_COMPONENT trace_io
The value of the FT_COMPONENT macro is an enumeration named
trace_XXXX where XXXX is one of the component names defined in the
internal file `freetype/internal/fttrace.h'. If you modify FreeType
source and insert new trace_XXXX macro, you must register it in
fttrace.h. If you insert or remove many trace macros, you can check
the undefined or the unused trace macro by src/tools/chktrcmp.py.
Each such component is assigned a `debug level', ranging from 0
to 7, through the use of the FT2_DEBUG environment variable
(described below) when a program linked with FreeType starts.
When FT_TRACE is called, its level is compared to the one of the
corresponding component. Messages with trace levels *higher* than
the corresponding component level are filtered and never printed.
This means that trace messages with level 0 are always printed,
those with level 2 are only printed when the component level is *at
least* 2.
The second parameter to FT_TRACE must contain parentheses and
correspond to a printf-like call, as in
FT_TRACE( 2, ( "your %s is not %s\n", "foo", "bar" ) )
The shortcut macros FT_TRACE0, FT_TRACE1, FT_TRACE2, ..., FT_TRACE7
can be used with constant level indices, and are much cleaner to
use, as in
FT_TRACE2(( "your %s is not %s\n", "foo", "bar" ));
III. Environment variables
--------------------------
The following environment variables control debugging output and
behaviour of FreeType at runtime.
FT2_DEBUG
This variable is only used when FreeType is built with
FT_DEBUG_LEVEL_TRACE defined. It contains a list of component level
definitions, following this format:
component1:level1 component2:level2 component3:level3 ...
where `componentX' is the name of a tracing component, as defined in
`fttrace.h', but without the `trace_' prefix. `levelX' is the
corresponding level to use at runtime.
`any' is a special component name that will be interpreted as
`any/all components'. For example, the following definitions
set FT2_DEBUG=any:2 memory:5 io:4 (on Windows)
export FT2_DEBUG="any:2 memory:5 io:4" (on Linux with bash)
both stipulate that all components should have level 2, except for
the memory and io components which will be set to trace levels 5 and
4, respectively.
FT2_DEBUG_MEMORY
This environment variable, when defined, tells FreeType to use a
debugging memory manager that will track leaking memory blocks as
well as other common errors like double frees. It is also capable
of reporting _where_ the leaking blocks were allocated, which
considerably saves time when debugging new additions to the library.
This code is only compiled when FreeType is built with the
FT_DEBUG_MEMORY macro #defined in `ftoption.h' though, it will be
ignored in other builds.
FT2_ALLOC_TOTAL_MAX
This variable is ignored if FT2_DEBUG_MEMORY is not defined. It
allows you to specify a maximum heap size for all memory allocations
performed by FreeType. This is very useful to test the robustness
of the font engine and programs that use it in tight memory
conditions.
If it is undefined, or if its value is not strictly positive, then
no allocation bounds are checked at runtime.
FT2_ALLOC_COUNT_MAX
This variable is ignored if FT2_DEBUG_MEMORY is not defined. It
allows you to specify a maximum number of memory allocations
performed by FreeType before returning the error
FT_Err_Out_Of_Memory. This is useful for debugging and testing the
engine's robustness.
If it is undefined, or if its value is not strictly positive, then
no allocation bounds are checked at runtime.
------------------------------------------------------------------------
Copyright 2002, 2003, 2004, 2005, 2009 by
David Turner, Robert Wilhelm, and Werner Lemberg.
This file is part of the FreeType project, and may only be used,
modified, and distributed under the terms of the FreeType project
license, LICENSE.TXT. By continuing to use, modify, or distribute this
file you indicate that you have read the license and understand and
accept it fully.
--- end of DEBUG ---
libs/freetype-2.5.0.1/docs/FTL.TXT
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The FreeType Project LICENSE
----------------------------
2006-Jan-27
Copyright 1996-2002, 2006 by
David Turner, Robert Wilhelm, and Werner Lemberg
Introduction
============
The FreeType Project is distributed in several archive packages;
some of them may contain, in addition to the FreeType font engine,
various tools and contributions which rely on, or relate to, the
FreeType Project.
This license applies to all files found in such packages, and
which do not fall under their own explicit license. The license
affects thus the FreeType font engine, the test programs,
documentation and makefiles, at the very least.
This license was inspired by the BSD, Artistic, and IJG
(Independent JPEG Group) licenses, which all encourage inclusion
and use of free software in commercial and freeware products
alike. As a consequence, its main points are that:
o We don't promise that this software works. However, we will be
interested in any kind of bug reports. (`as is' distribution)
o You can use this software for whatever you want, in parts or
full form, without having to pay us. (`royalty-free' usage)
o You may not pretend that you wrote this software. If you use
it, or only parts of it, in a program, you must acknowledge
somewhere in your documentation that you have used the
FreeType code. (`credits')
We specifically permit and encourage the inclusion of this
software, with or without modifications, in commercial products.
We disclaim all warranties covering The FreeType Project and
assume no liability related to The FreeType Project.
Finally, many people asked us for a preferred form for a
credit/disclaimer to use in compliance with this license. We thus
encourage you to use the following text:
"""
Portions of this software are copyright © <year> The FreeType
Project (www.freetype.org). All rights reserved.
"""
Please replace <year> with the value from the FreeType version you
actually use.
Legal Terms
===========
0. Definitions
--------------
Throughout this license, the terms `package', `FreeType Project',
and `FreeType archive' refer to the set of files originally
distributed by the authors (David Turner, Robert Wilhelm, and
Werner Lemberg) as the `FreeType Project', be they named as alpha,
beta or final release.
`You' refers to the licensee, or person using the project, where
`using' is a generic term including compiling the project's source
code as well as linking it to form a `program' or `executable'.
This program is referred to as `a program using the FreeType
engine'.
This license applies to all files distributed in the original
FreeType Project, including all source code, binaries and
documentation, unless otherwise stated in the file in its
original, unmodified form as distributed in the original archive.
If you are unsure whether or not a particular file is covered by
this license, you must contact us to verify this.
The FreeType Project is copyright (C) 1996-2000 by David Turner,
Robert Wilhelm, and Werner Lemberg. All rights reserved except as
specified below.
1. No Warranty
--------------
THE FREETYPE PROJECT IS PROVIDED `AS IS' WITHOUT WARRANTY OF ANY
KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. IN NO EVENT WILL ANY OF THE AUTHORS OR COPYRIGHT HOLDERS
BE LIABLE FOR ANY DAMAGES CAUSED BY THE USE OR THE INABILITY TO
USE, OF THE FREETYPE PROJECT.
2. Redistribution
-----------------
This license grants a worldwide, royalty-free, perpetual and
irrevocable right and license to use, execute, perform, compile,
display, copy, create derivative works of, distribute and
sublicense the FreeType Project (in both source and object code
forms) and derivative works thereof for any purpose; and to
authorize others to exercise some or all of the rights granted
herein, subject to the following conditions:
o Redistribution of source code must retain this license file
(`FTL.TXT') unaltered; any additions, deletions or changes to
the original files must be clearly indicated in accompanying
documentation. The copyright notices of the unaltered,
original files must be preserved in all copies of source
files.
o Redistribution in binary form must provide a disclaimer that
states that the software is based in part of the work of the
FreeType Team, in the distribution documentation. We also
encourage you to put an URL to the FreeType web page in your
documentation, though this isn't mandatory.
These conditions apply to any software derived from or based on
the FreeType Project, not just the unmodified files. If you use
our work, you must acknowledge us. However, no fee need be paid
to us.
3. Advertising
--------------
Neither the FreeType authors and contributors nor you shall use
the name of the other for commercial, advertising, or promotional
purposes without specific prior written permission.
We suggest, but do not require, that you use one or more of the
following phrases to refer to this software in your documentation
or advertising materials: `FreeType Project', `FreeType Engine',
`FreeType library', or `FreeType Distribution'.
As you have not signed this license, you are not required to
accept it. However, as the FreeType Project is copyrighted
material, only this license, or another one contracted with the
authors, grants you the right to use, distribute, and modify it.
Therefore, by using, distributing, or modifying the FreeType
Project, you indicate that you understand and accept all the terms
of this license.
4. Contacts
-----------
There are two mailing lists related to FreeType:
o freetype@nongnu.org
Discusses general use and applications of FreeType, as well as
future and wanted additions to the library and distribution.
If you are looking for support, start in this list if you
haven't found anything to help you in the documentation.
o freetype-devel@nongnu.org
Discusses bugs, as well as engine internals, design issues,
specific licenses, porting, etc.
Our home page can be found at
http://www.freetype.org
--- end of FTL.TXT ---
libs/freetype-2.5.0.1/docs/GPLv2.TXT
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GNU GENERAL PUBLIC LICENSE
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of promoting the sharing and reuse of software generally.
NO WARRANTY
11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS
TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE
PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
REPAIR OR CORRECTION.
12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
convey the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this
when it starts in an interactive mode:
Gnomovision version 69, Copyright (C) year name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, the commands you use may
be called something other than `show w' and `show c'; they could even be
mouse-clicks or menu items--whatever suits your program.
You should also get your employer (if you work as a programmer) or your
school, if any, to sign a "copyright disclaimer" for the program, if
necessary. Here is a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
proprietary programs. If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Library General
Public License instead of this License.
libs/freetype-2.5.0.1/docs/INSTALL
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There are several ways to build the FreeType library, depending on
your system and the level of customization you need. Here is a short
overview of the documentation available:
I. Normal installation and upgrades
===================================
1. Unix Systems (including Mac OS X, Cygwin, and MSys on Windows)
Please read `INSTALL.UNIX' to install or upgrade FreeType 2 on a
Unix system. Note that you *need* GNU Make for automatic
compilation, since other make tools won't work (this includes BSD
Make).
GNU Make VERSION 3.80 OR NEWER IS NEEDED!
2. On VMS with the `mms' build tool
See `INSTALL.VMS' for installation instructions on this platform.
3. Other systems using GNU Make
On non-Unix platforms, it is possible to build the library using
GNU Make utility. Note that *NO OTHER MAKE TOOL WILL WORK*[1]!
This methods supports several compilers on Windows, OS/2, and
BeOS, including MinGW, Visual C++, Borland C++, and more.
Instructions are provided in the file `INSTALL.GNU'.
4. With an IDE Project File (e.g., for Visual Studio or CodeWarrior)
We provide a small number of `project files' for various IDEs to
automatically build the library as well. Note that these files
are not supported and only sporadically maintained by FreeType
developers, so don't expect them to work in each release.
To find them, have a look at the content of the `builds/<system>'
directory, where <system> stands for your OS or environment.
5. From you own IDE, or own Makefiles
If you want to create your own project file, follow the
instructions given in the `INSTALL.ANY' document of this
directory.
II. Custom builds of the library
================================
Customizing the compilation of FreeType is easy, and allows you to
select only the components of the font engine that you really need.
For more details read the file `CUSTOMIZE'.
----------------------------------------------------------------------
[1] make++, a make tool written in Perl, has sufficient support of GNU
make extensions to build FreeType. See
http://makepp.sourceforge.net
for more information; you need version 1.19 or newer, and you must
pass option `--norc-substitution'.
----------------------------------------------------------------------
Copyright 2000-2008, 2010-2011
by David Turner, Robert Wilhelm, and Werner Lemberg.
This file is part of the FreeType project, and may only be used,
modified, and distributed under the terms of the FreeType project
license, LICENSE.TXT. By continuing to use, modify, or distribute
this file you indicate that you have read the license and understand
and accept it fully.
--- end of INSTALL ---
libs/freetype-2.5.0.1/docs/INSTALL.ANY
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Instructions on how to build FreeType with your own build tool
==============================================================
See the file `CUSTOMIZE' to learn how to customize FreeType to
specific environments.
I. Standard procedure
---------------------
* DISABLE PRE-COMPILED HEADERS! This is very important for Visual
C++, because FreeType uses lines like:
#include FT_FREETYPE_H
which are not correctly supported by this compiler while being ISO
C compliant!
* You need to add the directories `freetype2/include' to your
include path when compiling the library.
* FreeType 2 is made of several components; each of them is located
in a subdirectory of `freetype2/src'. For example,
`freetype2/src/truetype/' contains the TrueType font driver.
* DO NOT COMPILE ALL C FILES! Rather, compile the following ones.
-- base components (required)
src/base/ftsystem.c
src/base/ftinit.c
src/base/ftdebug.c
src/base/ftbase.c
src/base/ftbbox.c -- recommended, see <freetype/ftbbox.h>
src/base/ftglyph.c -- recommended, see <freetype/ftglyph.h>
src/base/ftbdf.c -- optional, see <freetype/ftbdf.h>
src/base/ftbitmap.c -- optional, see <freetype/ftbitmap.h>
src/base/ftcid.c -- optional, see <freetype/ftcid.h>
src/base/ftfstype.c -- optional
src/base/ftgasp.c -- optional, see <freetype/ftgasp.h>
src/base/ftgxval.c -- optional, see <freetype/ftgxval.h>
src/base/ftlcdfil.c -- optional, see <freetype/ftlcdfil.h>
src/base/ftmm.c -- optional, see <freetype/ftmm.h>
src/base/ftotval.c -- optional, see <freetype/ftotval.h>
src/base/ftpatent.c -- optional
src/base/ftpfr.c -- optional, see <freetype/ftpfr.h>
src/base/ftstroke.c -- optional, see <freetype/ftstroke.h>
src/base/ftsynth.c -- optional, see <freetype/ftsynth.h>
src/base/fttype1.c -- optional, see <freetype/t1tables.h>
src/base/ftwinfnt.c -- optional, see <freetype/ftwinfnt.h>
src/base/ftxf86.c -- optional, see <freetype/ftxf86.h>
src/base/ftmac.c -- only on the Macintosh
-- font drivers (optional; at least one is needed)
src/bdf/bdf.c -- BDF font driver
src/cff/cff.c -- CFF/OpenType font driver
src/cid/type1cid.c -- Type 1 CID-keyed font driver
src/pcf/pcf.c -- PCF font driver
src/pfr/pfr.c -- PFR/TrueDoc font driver
src/sfnt/sfnt.c -- SFNT files support
(TrueType & OpenType)
src/truetype/truetype.c -- TrueType font driver
src/type1/type1.c -- Type 1 font driver
src/type42/type42.c -- Type 42 font driver
src/winfonts/winfnt.c -- Windows FONT / FNT font driver
-- rasterizers (optional; at least one is needed for vector
formats)
src/raster/raster.c -- monochrome rasterizer
src/smooth/smooth.c -- anti-aliasing rasterizer
-- auxiliary modules (optional)
src/autofit/autofit.c -- auto hinting module
src/cache/ftcache.c -- cache sub-system (in beta)
src/gzip/ftgzip.c -- support for compressed fonts (.gz)
src/lzw/ftlzw.c -- support for compressed fonts (.Z)
src/bzip2/ftbzip2.c -- support for compressed fonts (.bz2)
src/gxvalid/gxvalid.c -- TrueTypeGX/AAT table validation
src/otvalid/otvalid.c -- OpenType table validation
src/psaux/psaux.c -- PostScript Type 1 parsing
src/pshinter/pshinter.c -- PS hinting module
src/psnames/psnames.c -- PostScript glyph names support
Notes:
`ftcache.c' needs `ftglyph.c'
`ftfstype.c' needs `fttype1.c'
`ftglyph.c' needs `ftbitmap.c'
`ftstroke.c' needs `ftglyph.c'
`ftsynth.c' needs `ftbitmap.c'
`cff.c' needs `sfnt.c', `pshinter.c', and `psnames.c'
`truetype.c' needs `sfnt.c' and `psnames.c'
`type1.c' needs `psaux.c' `pshinter.c', and `psnames.c'
`type1cid.c' needs `psaux.c', `pshinter.c', and `psnames.c'
`type42.c' needs `truetype.c'
To use `ftbzip2.c', an application must be linked with a library
which implements bzip2 support (and the bzip2 header files must
be available also during compilation).
Read the file `CUSTOMIZE' in case you want to compile only a subset
of the drivers, renderers, and optional modules; a detailed
description of the various base extension is given in the top-level
file `modules.cfg'.
You are done. In case of problems, see the archives of the FreeType
development mailing list.
II. Support for flat-directory compilation
------------------------------------------
It is possible to put all FreeType 2 source files into a single
directory, with the *exception* of the `include' hierarchy.
1. Copy all files in current directory
cp freetype2/src/base/*.[hc] .
cp freetype2/src/raster1/*.[hc] .
cp freetype2/src/smooth/*.[hc] .
etc.
2. Compile sources
cc -c -Ifreetype2/include -DFT2_BUILD_LIBRARY ftsystem.c
cc -c -Ifreetype2/include -DFT2_BUILD_LIBRARY ftinit.c
cc -c -Ifreetype2/include -DFT2_BUILD_LIBRARY ftdebug.c
cc -c -Ifreetype2/include -DFT2_BUILD_LIBRARY ftbase.c
etc.
You don't need to define the FT_FLAT_COMPILATION macro (as this
was required in previous releases of FreeType 2).
----------------------------------------------------------------------
Copyright 2003, 2005, 2006, 2009, 2010 by
David Turner, Robert Wilhelm, and Werner Lemberg.
This file is part of the FreeType project, and may only be used,
modified, and distributed under the terms of the FreeType project
license, LICENSE.TXT. By continuing to use, modify, or distribute
this file you indicate that you have read the license and understand
and accept it fully.
--- end of INSTALL.ANY ---
libs/freetype-2.5.0.1/docs/INSTALL.CROSS
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This document contains instructions on how to cross-build the FreeType
library on Unix systems, for example, building binaries for Linux/MIPS
on FreeBSD/i386. Before reading this document, please consult
INSTALL.UNIX for required tools and the basic self-building procedure.
1. Required Tools
-----------------
For self-building the FreeType library on a Unix system, GNU Make
3.80 or newer is required. INSTALL.UNIX contains hints how to
check the installed `make'.
The GNU C compiler to cross-build the target system is required.
At present, using non-GNU cross compiler is not tested. The cross
compiler is expected to be installed with a system prefix. For
example, if your building system is FreeBSD/i386 and the target
system is Linux/MIPS, the cross compiler should be installed with
the name `mips-ip22-linuxelf-gcc'.
A C compiler for a self-build is required also, to build a tool
that is executed during the building procedure. Non-GNU self
compilers are acceptable, but such a setup is not tested yet.
2. Configuration
----------------
2.1. Building and target system
To configure for cross-build, the options `--host=<system>' and
`--build=<system>' must be passed to configure. For example, if
your building system is FreeBSD/i386 and the target system is
Linux/MIPS, say
./configure \
--build=i386-unknown-freebsd \
--host=mips-ip22-linuxelf \
[other options]
It should be noted that `--host=<system>' specifies the system
where the built binaries will be executed, not the system where
the build actually happens. Older versions of GNU autoconf use
the option pair `--host=' and `--target='. This is broken and
doesn't work. Similarly, an explicit CC specification like
env CC=mips-ip22-linux-gcc ./configure # BAD
or
env CC=/usr/local/mips-ip22-linux/bin/gcc ./configure # BAD
doesn't work either; such a configuration confuses the
`configure' script while trying to find the cross and native C
compilers.
2.2. The prefix to install FreeType2
Setting `--prefix=<prefix>' properly is important. The prefix
to install FreeType2 is written into the freetype-config script
and freetype2.pc configuration file.
If the built FreeType 2 library is used as a part of the
cross-building system, the prefix is expected to be different
from the self-building system. For example, configuration with
`--prefix=/usr/local' installs binaries into the system wide
`/usr/local' directory which then can't be executed. This
causes confusion in configuration of all applications which use
FreeType2. Instead, use a prefix to install the cross-build
into a separate system tree, for example,
`--prefix=/usr/local/mips-ip22-linux/'.
On the other hand, if the built FreeType2 is used as a part of
the target system, the prefix to install should reflect the file
system structure of the target system.
3. Building command
-------------------
If the configuration finishes successfully, invoking GNU make
builds FreeType2. Just say
make
or
gmake
depending on the name the GNU make binary actually has.
4. Installation
---------------
Saying
make install
as usual to install FreeType2 into the directory tree specified by
the argument of the `--prefix' option.
As noted in section 2.2, FreeType2 is sometimes configured to be
installed into the system directory of the target system, and
should not be installed in the cross-building system. In such
cases, the make variable `DESTDIR' is useful to change the root
directory in the installation. For example, after
make DESTDIR=/mnt/target_system_root/ install
the built FreeType2 library files are installed into the directory
`/mnt/target_system_root/<prefix_in_configure>/lib'.
5. TODO
-------
Cross building between Cygwin (or MSys) and Unix must be tested.
----------------------------------------------------------------------
Copyright 2006, 2008, 2012 by suzuki toshiya
David Turner, Robert Wilhelm, and Werner Lemberg.
This file is part of the FreeType project, and may only be used,
modified, and distributed under the terms of the FreeType project
license, LICENSE.TXT. By continuing to use, modify, or distribute
this file you indicate that you have read the license and understand
and accept it fully.
--- end of INSTALL.CROSS ---
libs/freetype-2.5.0.1/docs/INSTALL.GNU
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This document contains instructions how to build the FreeType library
on non-Unix systems with the help of GNU Make. Note that if you are
running Cygwin or MSys in Windows, you should follow the instructions
in the file INSTALL.UNIX instead.
FreeType 2 includes a powerful and flexible build system that allows
you to easily compile it on a great variety of platforms from the
command line. To do so, just follow these simple instructions.
1. Install GNU Make
-------------------
Because GNU Make is the only Make tool supported to compile
FreeType 2, you should install it on your machine.
The FreeType 2 build system relies on many features special to GNU
Make.
NEARLY ALL OTHER MAKE TOOLS FAIL, INCLUDING `BSD MAKE', SO REALLY
INSTALL A RECENT VERSION OF GNU MAKE ON YOUR SYSTEM!
Note that make++, a make tool written in Perl, supports enough
features of GNU make to compile FreeType. See
http://makepp.sourceforge.net
for more information; you need version 1.19 or newer, and you must
pass option `--norc-substitution'.
Make sure that you are invoking GNU Make from the command line, by
typing something like:
make -v
to display its version number.
VERSION 3.80 OR NEWER IS NEEDED!
2. Invoke `make'
----------------
Go to the root directory of FreeType 2, then simply invoke GNU
Make from the command line. This will launch the FreeType 2 host
platform detection routines. A summary will be displayed, for
example, on Win32.
==============================================================
FreeType build system -- automatic system detection
The following settings are used:
platform win32
compiler gcc
configuration directory .\builds\win32
configuration rules .\builds\win32\w32-gcc.mk
If this does not correspond to your system or settings please
remove the file 'config.mk' from this directory then read the
INSTALL file for help.
Otherwise, simply type 'make' again to build the library
or 'make refdoc' to build the API reference (the latter needs
python).
=============================================================
If the detected settings correspond to your platform and compiler,
skip to step 5. Note that if your platform is completely alien to
the build system, the detected platform will be `ansi'.
3. Configure the build system for a different compiler
------------------------------------------------------
If the build system correctly detected your platform, but you want
to use a different compiler than the one specified in the summary
(for most platforms, gcc is the default compiler), invoke GNU Make
with
make setup <compiler>
Examples:
to use Visual C++ on Win32, type: `make setup visualc'
to use Borland C++ on Win32, type `make setup bcc32'
to use Watcom C++ on Win32, type `make setup watcom'
to use Intel C++ on Win32, type `make setup intelc'
to use LCC-Win32 on Win32, type: `make setup lcc'
to use Watcom C++ on OS/2, type `make setup watcom'
to use VisualAge C++ on OS/2, type `make setup visualage'
The <compiler> name to use is platform-dependent. The list of
available compilers for your system is available in the file
`builds/<system>/detect.mk'.
If you are satisfied by the new configuration summary, skip to
step 5.
4. Configure the build system for an unknown platform/compiler
--------------------------------------------------------------
The auto-detection/setup phase of the build system copies a file
to the current directory under the name `config.mk'.
For example, on OS/2+gcc, it would simply copy
`builds/os2/os2-gcc.mk' to `./config.mk'.
If for some reason your platform isn't correctly detected, copy
manually the configuration sub-makefile to `./config.mk' and go to
step 5.
Note that this file is a sub-Makefile used to specify Make
variables for compiler and linker invocation during the build.
You can easily create your own version from one of the existing
configuration files, then copy it to the current directory under
the name `./config.mk'.
5. Build the library
--------------------
The auto-detection/setup phase should have copied a file in the
current directory, called `./config.mk'. This file contains
definitions of various Make variables used to invoke the compiler
and linker during the build. [It has also generated a file called
`ftmodule.h' in the objects directory (which is normally
`<toplevel>/objs/'); please read the file `docs/CUSTOMIZE' for
customization of FreeType.]
To launch the build, simply invoke GNU Make again: The top
Makefile will detect the configuration file and run the build with
it.
Final note
The build system builds a statically linked library of the font
engine in the `objs' directory. It does _not_ support the build
of DLLs on Windows and OS/2. If you need these, you have to
either use an IDE-specific project file, or follow the
instructions in `INSTALL.ANY' to create your own Makefiles.
----------------------------------------------------------------------
Copyright 2003, 2004, 2005, 2006, 2008 by
David Turner, Robert Wilhelm, and Werner Lemberg.
This file is part of the FreeType project, and may only be used,
modified, and distributed under the terms of the FreeType project
license, LICENSE.TXT. By continuing to use, modify, or distribute
this file you indicate that you have read the license and understand
and accept it fully.
--- end of INSTALL.GNU ---
libs/freetype-2.5.0.1/docs/INSTALL.MAC
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Please follow the instructions in INSTALL.UNIX to install FreeType on
Mac OS X.
Currently FreeType2 functions based on some deprecated Carbon APIs
return FT_Err_Unimplemented_Feature always, even if FreeType2 is
configured and built on the system that deprecated Carbon APIs are
available. To enable deprecated FreeType2 functions as far as possible,
replace src/base/ftmac.c by builds/mac/ftmac.c.
Starting with Mac OS X 10.5, gcc defaults the deployment target
to 10.5. In previous versions of Mac OS X, this defaulted to 10.1.
If you want your built binaries to run only on 10.5, this change
does not concern you. If you want them to also run on older versions
of Mac OS X, then you must either set the MACOSX_DEPLOYMENT_TARGET
environment variable or pass -mmacosx-version-min to gcc. You should
specify the oldest version of Mac OS you want the code to run on.
For example, if you use Bourne shell:
export MACOSX_DEPLOYMENT_TARGET=10.2
or, if you use C shell:
setenv MACOSX_DEPLOYMENT_TARGET 10.2
Alternatively, you could pass "-mmacosx-version-min=10.2" to gcc.
Here the number 10.2 is the lowest version that the built binaries
can run on. In the cases in above, the built binaries will run on
Mac OS X 10.2 and later, but _not_ earlier. If you want to run on
earlier, you have to set lower version, e.g. 10.0.
For classic Mac OS (Mac OS 7, 8, 9) please refer to builds/mac/README.
libs/freetype-2.5.0.1/docs/INSTALL.UNIX
+96
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This document contains instructions on how to build the FreeType
library on Unix systems. This also works for emulations like Cygwin
or MSys on Win32:
1. Ensure that you are using GNU Make
-------------------------------------
The FreeType build system _exclusively_ works with GNU Make. You
will not be able to compile the library with the instructions
below using any other alternative (including BSD Make).
Check that you have GNU make by running the command:
make -v
This should dump some text that begins with:
GNU Make <version number>
Copyright (C) <year> Free Software Foundation Inc.
Note that version 3.80 or higher is *required* or the build will
fail.
It is also fine to have GNU Make under another name (e.g. 'gmake')
if you use the MAKE variable as described below.
As a special exception, 'makepp' can also be used to build
FreeType 2. See the file docs/MAKEPP for details.
2. Regenerate the configure script if needed
--------------------------------------------
This only applies if you are building a git snapshot or checkout,
*not* if you grabbed the sources of an official release.
You need to invoke the `autogen.sh' script in the top-level
directory in order to create the `configure' script for your
platform. Normally, this simply means typing:
sh autogen.sh
In case of problems, you may need to install or upgrade Automake,
Autoconf or Libtool. See README.git in the top-level directory
for more information.
3. Build and install the library
--------------------------------
The following should work on all Unix systems where the `make'
command invokes GNU Make:
./configure [options]
make
make install (as root)
The default installation path is `/usr/local'. It can be changed
with the `--prefix=<path>' option. Example:
./configure --prefix=/usr
When using a different command to invoke GNU Make, use the MAKE
variable. For example, if `gmake' is the command to use on your
system, do something like:
MAKE=gmake ./configure [options]
gmake
gmake install (as root)
If this still doesn't work, there must be a problem with your
system (e.g., you are using a very old version of GNU Make).
It is possible to compile FreeType in a different directory.
Assuming the FreeType source files in directory `/src/freetype' a
compilation in directory `foo' works as follows:
cd foo
/src/freetype/configure [options]
make
make install
----------------------------------------------------------------------
Copyright 2003-2007, 2013 by
David Turner, Robert Wilhelm, and Werner Lemberg.
This file is part of the FreeType project, and may only be used,
modified, and distributed under the terms of the FreeType project
license, LICENSE.TXT. By continuing to use, modify, or distribute
this file you indicate that you have read the license and understand
and accept it fully.
--- end of INSTALL.UNIX ---
libs/freetype-2.5.0.1/docs/INSTALL.VMS
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How to build the freetype2 library on VMS
-----------------------------------------
It is actually very straightforward to install the Freetype2 library.
Just execute vms_make.com from the toplevel directory to build the
library. This procedure currently accepts the following options:
DEBUG
Build the library with debug information and without optimization.
lopts=<value>
Options to pass to the link command e.g. lopts=/traceback
ccopt=<value>
Options to pass to the C compiler e.g. ccopt=/float=ieee
In case you did download the demos, place them in a separate directory
sharing the same toplevel as the directory of Freetype2 and follow the
same instructions as above for the demos from there. The build
process relies on this to figure the location of the Freetype2 include
files.
To rebuild the sources it is necessary to have MMS/MMK installed on
the system.
The library is available in the directory
[.LIB]
To compile applications using FreeType 2 you have to define the
logical FREETYPE pointing to the directory
[.INCLUDE.FREETYPE]
i.e., if the directory in which this INSTALL.VMS file is located is
$disk:[freetype] then define the logical with
define freetype $disk:[freetype.include.freetype]
This version has been tested with Compaq C V6.2-006 on OpenVMS Alpha
V7.2-1.
Any problems can be reported to
Jouk Jansen <joukj@hrem.stm.tudelft.nl> or
Martin P.J. Zinser <zinser@zinser.no-ip.info>
------------------------------------------------------------------------
Copyright 2000, 2004 by
David Turner, Robert Wilhelm, and Werner Lemberg.
This file is part of the FreeType project, and may only be used,
modified, and distributed under the terms of the FreeType project
license, LICENSE.TXT. By continuing to use, modify, or distribute this
file you indicate that you have read the license and understand and
accept it fully.
--- end of INSTALL.VMS ---
libs/freetype-2.5.0.1/docs/LICENSE.TXT
+37
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The FreeType 2 font engine is copyrighted work and cannot be used
legally without a software license. In order to make this project
usable to a vast majority of developers, we distribute it under two
mutually exclusive open-source licenses.
This means that *you* must choose *one* of the two licenses described
below, then obey all its terms and conditions when using FreeType 2 in
any of your projects or products.
- The FreeType License, found in the file `FTL.TXT', which is similar
to the original BSD license *with* an advertising clause that forces
you to explicitly cite the FreeType project in your product's
documentation. All details are in the license file. This license
is suited to products which don't use the GNU General Public
License.
Note that this license is compatible to the GNU General Public
License version 3, but not version 2.
- The GNU General Public License version 2, found in `GPLv2.TXT' (any
later version can be used also), for programs which already use the
GPL. Note that the FTL is incompatible with GPLv2 due to its
advertisement clause.
The contributed BDF and PCF drivers come with a license similar to that
of the X Window System. It is compatible to the above two licenses (see
file src/bdf/README and src/pcf/README).
The gzip module uses the zlib license (see src/gzip/zlib.h) which too is
compatible to the above two licenses.
The MD5 checksum support (only used for debugging in development builds)
is in the public domain.
--- end of LICENSE.TXT ---
libs/freetype-2.5.0.1/docs/MAKEPP
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As a special exception, FreeType can also be built with the 'makepp'
build tool, available from http://makepp.sourceforge.net.
Note, however. that you will need at least version 1.19 and pass the
option --norc-substitution to have it work correctly.
libs/freetype-2.5.0.1/docs/PROBLEMS
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This file describes various problems that have been encountered in
compiling, installing and running FreeType 2. Suggestions for
additions or other improvements to this file are welcome.
----------------------------------------------------------------------
Running Problems
================
* Some Type 1, Multiple Masters, and CID-keyed PostScript fonts aren't
handled correctly.
-----
Of course, there might be bugs in FreeType, but some fonts based on
the PostScript format can't be handled indeed. The reason is that
FreeType doesn't contain a full PostScript interpreter but applies
pattern matching instead. In case a font doesn't follow the standard
structure of the given font format, FreeType fails. A typical example
is Adobe's `Optima' font family which contains extra code to switch
between low and high resolution versions of the glyphs.
It might be possible to patch FreeType in some situations, though.
Please report failing fonts so that we investigate the problem and set
up a list of such problematic fonts.
* Why do identical FreeType versions render differently on different
platforms?
-----
Different distributions compile FreeType with different options. The
developer version of a distribution's FreeType package, which is
needed to compile your program against FreeType, includes the file
ftoption.h. Compare each platform's copy of ftoption.h to find the
differences.
----------------------------------------------------------------------
Compilation Problems
====================
* I get an `internal compilation error' (ICE) while compiling FreeType
2.2.1 with Intel C++.
This has been reported for the following compiler version:
Intel(R) C++ Compiler for 32-bit applications,
Version 9.0 Build 20050430Z Package ID: W_CC_P_9.0.019
-----
The best solution is to update the compiler to version
Intel(R) C++ Compiler for 32-bit applications,
Version 9.1 Build 20060323Z Package ID: W_CC_P_9.1.022
or newer. If this isn't feasible, apply the following patch.
--- src/cache/ftcbasic.c 20 Mar 2006 12:10:24 -0000 1.20
+++ src/cache/ftcbasic.c.patched 15 May 2006 02:51:02 -0000
@@ -252,7 +252,7 @@
*/
FT_CALLBACK_TABLE_DEF
- const FTC_IFamilyClassRec ftc_basic_image_family_class =
+ FTC_IFamilyClassRec ftc_basic_image_family_class =
{
{
sizeof ( FTC_BasicFamilyRec ),
@@ -266,7 +266,7 @@
FT_CALLBACK_TABLE_DEF
- const FTC_GCacheClassRec ftc_basic_image_cache_class =
+ FTC_GCacheClassRec ftc_basic_image_cache_class =
{
{
ftc_inode_new,
----------------------------------------------------------------------
--- end of PROBLEMS ---
libs/freetype-2.5.0.1/docs/TODO
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Here is a list of items that need to be addressed in FreeType 2
---------------------------------------------------------------
* Implement stem3/counter hints properly in the Postscript hinter.
* Add CIDCMap support to the CID driver.
* Add track kerning support to the PFR driver.
* Add kerning (AFM file) support to the CID driver.
Here is a list of bugs which should be handled
----------------------------------------------
Other bugs have been registered at the savannah bugzilla of FreeType.
* CID driver:
Handle the case where a CID font has a top-level font matrix also
(see PLRM, 5.11.3, Type 0 CIDFonts). Since CID_FaceInfoRec lacks
a font_matrix entry we have to directly apply it to all subfont
matrices.
* CID driver:
Use top-level font matrix entry for setting the upem value, not the
entries in the FDarray. If absent, use 1000.
------------------------------------------------------------------------
Copyright 2001, 2002, 2003, 2004, 2005, 2006, 2007 by
David Turner, Robert Wilhelm, and Werner Lemberg.
This file is part of the FreeType project, and may only be used,
modified, and distributed under the terms of the FreeType project
license, LICENSE.TXT. By continuing to use, modify, or distribute this
file you indicate that you have read the license and understand and
accept it fully.
--- end of TODO ---
libs/freetype-2.5.0.1/docs/VERSION.DLL
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Due to our use of `libtool' to generate and install the FreeType 2
libraries on Unix systems, as well as other historical events, it is
generally very difficult to know precisely which release of the font
engine is installed on a given system.
This file tries to explain why and to document ways to properly detect
FreeType on Unix.
1. Version and Release numbers
------------------------------
For each new public release of FreeType 2, there are generally *three*
distinct `version' numbers to consider:
* The official FreeType 2 release number, like 2.3.1 or 2.4.10.
* The libtool (and Unix) specific version number, like 13.0.7. This
is what `freetype-config --version' returns.
* The platform-specific shared object number, used for example when
the library is installed as `/usr/lib/libfreetype.so.6.7.1'.
The platform-specific number is, unsurprisingly, platform-specific and
varies with the operating system you are using (several variants of
Linux, FreeBSD, Solaris, etc.). You should thus _never_ use it, even
for simple tests.
The libtool-specific number does not equal the release number but is
tied to it.
The release number is available at *compile* time through the following
macros defined in FT_FREETYPE_H:
- FREETYPE_MAJOR: major release number
- FREETYPE_MINOR: minor release number
- FREETYPE_PATCH: patch release number
See below for a small autoconf fragment.
The release number is also available at *runtime* through the
`FT_Library_Version' API.
2. History
----------
The following table gives, for all releases since 2.3.0, the
corresponding libtool number, as well as the shared object number found
on _most_ systems, but not all of them:
release libtool so
-------------------------------
2.5.0 16.2.10 6.10.2
2.4.12 16.1.10 6.10.1
2.4.11 16.0.10 6.10.0
2.4.10 15.0.9 6.9.0
2.4.9 14.1.8 6.8.1
2.4.8 14.0.8 6.8.0
2.4.7 13.2.7 6.7.2
2.4.6 13.1.7 6.7.1
2.4.5 13.0.7 6.7.0
2.4.4 12.2.6 6.6.2
2.4.3 12.1.6 6.6.1
2.4.2 12.0.6 6.6.0
2.4.1 11.1.5 6.5.1
2.4.0 11.0.5 6.5.0
2.3.12 10.0.4 6.4.0
2.3.11 9.22.3 6.3.22
2.3.10 9.21.3 6.3.21
2.3.9 9.20.3 6.3.20
2.3.8 9.19.3 6.3.19
2.3.7 9.18.3 6.3.18
2.3.6 9.17.3 6.3.17
2.3.5 9.16.3 6.3.16
2.3.4 9.15.3 6.3.15
2.3.3 9.14.3 6.3.14
2.3.2 9.13.3 6.3.13
2.3.1 9.12.3 6.3.12
2.3.0 9.11.3 6.3.11
3. Autoconf Code Fragment
-------------------------
Lars Clausen contributed the following autoconf fragment to detect which
version of FreeType is installed on a system. This one tests for a
version that is at least 2.0.9; you should change it to check against
other release numbers.
AC_MSG_CHECKING([whether FreeType version is 2.0.9 or higher])
old_CPPFLAGS="$CPPFLAGS"
CPPFLAGS=`freetype-config --cflags`
AC_TRY_CPP([
#include <ft2build.h>
#include FT_FREETYPE_H
#if (FREETYPE_MAJOR*1000 + FREETYPE_MINOR)*1000 + FREETYPE_PATCH < 2000009
#error Freetype version too low.
#endif
],
[AC_MSG_RESULT(yes)
FREETYPE_LIBS=`freetype-config --libs`
AC_SUBST(FREETYPE_LIBS)
AC_DEFINE(HAVE_FREETYPE,1,[Define if you have the FreeType2 library])
CPPFLAGS="$old_CPPFLAGS"],
[AC_MSG_ERROR([Need FreeType library version 2.0.9 or higher])])
------------------------------------------------------------------------
Copyright 2002-2013 by
David Turner, Robert Wilhelm, and Werner Lemberg.
This file is part of the FreeType project, and may only be used,
modified, and distributed under the terms of the FreeType project
license, LICENSE.TXT. By continuing to use, modify, or distribute this
file you indicate that you have read the license and understand and
accept it fully.
--- end of VERSION.DLL ---
libs/freetype-2.5.0.1/docs/formats.txt
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This file contains a list of various font formats. It gives the
reference document and whether it is supported in FreeType 2.
file type:
The only special case is `MAC'; on older Mac OS versions, a `file'
is stored as a data and a resource fork, this is, within two
separate data chunks. In all other cases, the font data is stored
in a single file.
wrapper format:
The format used to represent the font data. In the table below it
is used only if the font format differs. Possible values are `SFNT'
(binary), `PS' (a text header, followed by binary or text data),
`LZW' (compressed with either `gzip' or `compress'), and
`BZ2' (compressed with `bzip2`).
font format:
How the font is to be accessed, possibly after converting the file
type and wrapper format into a generic form. Bitmap formats are
`BDF', `PCF', and one form of `WINFNT'; all others are vector
formats.
font type:
Sub-formats of the font format. `SBIT' and `MACSBIT' are bitmap
formats, `MM' and `VAR' support optical axes.
glyph access:
If not specified, the glyph access is `standard' to the font format.
Values are `CID' for CID-keyed fonts, `SYNTHETIC' for fonts which
are modified versions of other fonts by means of a transformation
matrix, `COLLECTION' for collecting multiple fonts (sharing most of
the data) into a single file, and `TYPE_0' for PS fonts which are to
be accessed in a tree-like structure.
FreeType driver:
The module in the FreeType library which handles the specific font
format. A missing entry means that FreeType doesn't support the
font format (yet).
Please send additions and/or corrections to wl@gnu.org or to the
FreeType developer's list at freetype-devel@nongnu.org (for subscribers
only). If you can provide a font example for a format which isn't
supported yet please send a mail too.
file wrapper font font glyph FreeType reference
type format format type access driver documents
----------------------------------------------------------------------------
--- --- BDF --- --- bdf 5005.BDF_Spec.pdf, X11
--- SFNT PS TYPE_1 --- type1 Type 1 GX Font Format
(for the Mac) [3]
MAC SFNT PS TYPE_1 --- type1 Type 1 GX Font Format
(for the Mac) [3]
--- SFNT PS TYPE_1 CID cid 5180.sfnt.pdf (for the Mac)
[3]
MAC SFNT PS TYPE_1 CID cid 5180.sfnt.pdf (for the Mac)
[3]
--- SFNT PS CFF --- cff OT spec, 5176.CFF.pdf
(`OTTO' format)
MAC SFNT PS CFF --- cff OT spec, 5176.CFF.pdf
(`OTTO' format)
--- SFNT PS CFF CID cff OT spec, 5176.CFF.pdf
MAC SFNT PS CFF CID cff OT spec, 5176.CFF.pdf
--- SFNT PS CFF SYNTHETIC --- OT spec, 5176.CFF.pdf
MAC SFNT PS CFF SYNTHETIC --- OT spec, 5176.CFF.pdf
--- SFNT TT SBIT --- sfnt XFree86 (bitmaps only;
with `head' table)
--- SFNT TT MACSBIT --- sfnt OT spec (for the Mac;
bitmaps only; `bhed' table)
MAC SFNT TT MACSBIT --- sfnt OT spec (for the Mac;
bitmaps only; `bhed' table)
--- SFNT TT --- --- truetype OT spec (`normal' TT font)
MAC SFNT TT --- --- truetype OT spec (`normal' TT font)
MAC SFNT TT VAR --- truetype GX spec (`?var' tables)
--- SFNT TT --- COLLECTION truetype OT spec (this can't be CFF)
MAC SFNT TT --- COLLECTION truetype OT spec (this can't be CFF)
--- --- PS TYPE_1 --- type1 T1_SPEC.pdf
(`normal' Type 1 font)
MAC --- PS TYPE_1 --- type1 T1_SPEC.pdf
(`normal' Type 1 font)
--- --- PS TYPE_1 CID cid PLRM.pdf (CID Font Type 0;
Type 9 font)
--- --- PS MM --- type1 5015.Type1_Supp.pdf
(Multiple Masters)
--- --- PS CFF --- cff 5176.CFF.pdf (`pure' CFF)
--- --- PS CFF CID cff 5176.CFF.pdf (`pure' CFF)
--- --- PS CFF SYNTHETIC --- 5176.CFF.pdf (`pure' CFF)
--- PS PS CFF --- --- PLRM.pdf (Type 2) [1]
--- PS PS CFF CID --- PLRM.pdf (Type 2) [1]
--- PS PS CFF SYNTHETIC --- PLRM.pdf (Type 2) [1]
--- --- PS --- TYPE_0 --- PLRM.pdf
--- --- PS TYPE_3 --- --- PLRM.pdf (never supported)
--- --- PS TYPE_3 CID --- PLRM.pdf (CID Font Type 1;
Type 10 font; never supported)
--- PS PS TYPE_14 --- --- PLRM.pdf (Chameleon font;
Type 14 font; never supported?)
--- --- PS TYPE_32 CID --- PLRM.pdf (CID Font Type 4;
Type 32 font; never supported?)
--- PS TT --- --- type42 5012.Type42_Spec.pdf
(Type 42 font)
--- PS TT --- CID --- PLRM.pdf (CID Font Type 2;
Type 11 font)
--- ? ? CEF ? cff ?
--- --- PCF --- --- pcf X11 [4]
--- LZW PCF --- --- pcf X11 [4]
--- BZ2 PCF --- --- pcf X11 [4]
--- --- PFR PFR0 --- pfr [2]
--- --- PFR PFR1 --- --- (undocumented, proprietary;
probably never supported)
--- --- WINFNT --- --- winfonts MS Windows 3 Developer's Notes
--- --- WINFNT VECTOR --- --- MS Windows 3 Developer's Notes
[1] Support should be rather simple since this is identical to `CFF' but
in a PS wrapper.
[2] Official PFR specification:
http://www.bitstream.com/categories/developer/truedoc/pfrspec.html
http://www.bitstream.com/categories/developer/truedoc/pfrspec1.2.pdf
The syntax of the auxiliary data is not defined there, but is
partially defined in MHP 1.0.3 (also called ETSI TS 101812 V1.3.1)
section 7.4.
http://www.etsi.org/
http://webapp.etsi.org/workprogram/Report_WorkItem.asp?WKI_ID=18799
(free registration required).
[3] Support is rudimentary currently; some tables are not loaded yet.
[4] See
THE X WINDOW SYSTEM SERVER: X VERSION 11, RELEASE 5
Elias Israel, Erik Fortune, Digital Press, 1992
ISBN 1-55558-096-3
for a specification given in Appendix D on pgs. 436-450. However,
this information might be out of date; unfortunately, there is no
PCF specification available online, and this book is out of print.
George Williams deduced the font format from the X11 sources and
documented it for his FontForge font editor:
http://fontforge.sourceforge.net/pcf-format.html
------------------------------------------------------------------------
Copyright 2004, 2005, 2008, 2009, 2010 by
David Turner, Robert Wilhelm, and Werner Lemberg.
This file is part of the FreeType project, and may only be used,
modified, and distributed under the terms of the FreeType project
license, LICENSE.TXT. By continuing to use, modify, or distribute this
file you indicate that you have read the license and understand and
accept it fully.
--- end of formats.txt ---
libs/freetype-2.5.0.1/docs/raster.txt
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How FreeType's rasterizer work
by David Turner
Revised 2007-Feb-01
This file is an attempt to explain the internals of the FreeType
rasterizer. The rasterizer is of quite general purpose and could
easily be integrated into other programs.
I. Introduction
II. Rendering Technology
1. Requirements
2. Profiles and Spans
a. Sweeping the Shape
b. Decomposing Outlines into Profiles
c. The Render Pool
d. Computing Profiles Extents
e. Computing Profiles Coordinates
f. Sweeping and Sorting the Spans
I. Introduction
===============
A rasterizer is a library in charge of converting a vectorial
representation of a shape into a bitmap. The FreeType rasterizer
has been originally developed to render the glyphs found in
TrueType files, made up of segments and second-order Béziers.
Meanwhile it has been extended to render third-order Bézier curves
also. This document is an explanation of its design and
implementation.
While these explanations start from the basics, a knowledge of
common rasterization techniques is assumed.
II. Rendering Technology
========================
1. Requirements
---------------
We assume that all scaling, rotating, hinting, etc., has been
already done. The glyph is thus described by a list of points in
the device space.
- All point coordinates are in the 26.6 fixed float format. The
used orientation is:
^ y
| reference orientation
|
*----> x
0
`26.6' means that 26 bits are used for the integer part of a
value and 6 bits are used for the fractional part.
Consequently, the `distance' between two neighbouring pixels is
64 `units' (1 unit = 1/64th of a pixel).
Note that, for the rasterizer, pixel centers are located at
integer coordinates. The TrueType bytecode interpreter,
however, assumes that the lower left edge of a pixel (which is
taken to be a square with a length of 1 unit) has integer
coordinates.
^ y ^ y
| |
| (1,1) | (0.5,0.5)
+-----------+ +-----+-----+
| | | | |
| | | | |
| | | o-----+-----> x
| | | (0,0) |
| | | |
o-----------+-----> x +-----------+
(0,0) (-0.5,-0.5)
TrueType bytecode interpreter FreeType rasterizer
A pixel line in the target bitmap is called a `scanline'.
- A glyph is usually made of several contours, also called
`outlines'. A contour is simply a closed curve that delimits an
outer or inner region of the glyph. It is described by a series
of successive points of the points table.
Each point of the glyph has an associated flag that indicates
whether it is `on' or `off' the curve. Two successive `on'
points indicate a line segment joining the two points.
One `off' point amidst two `on' points indicates a second-degree
(conic) Bézier parametric arc, defined by these three points
(the `off' point being the control point, and the `on' ones the
start and end points). Similarly, a third-degree (cubic) Bézier
curve is described by four points (two `off' control points
between two `on' points).
Finally, for second-order curves only, two successive `off'
points forces the rasterizer to create, during rendering, an
`on' point amidst them, at their exact middle. This greatly
facilitates the definition of successive Bézier arcs.
The parametric form of a second-order Bézier curve is:
P(t) = (1-t)^2*P1 + 2*t*(1-t)*P2 + t^2*P3
(P1 and P3 are the end points, P2 the control point.)
The parametric form of a third-order Bézier curve is:
P(t) = (1-t)^3*P1 + 3*t*(1-t)^2*P2 + 3*t^2*(1-t)*P3 + t^3*P4
(P1 and P4 are the end points, P2 and P3 the control points.)
For both formulae, t is a real number in the range [0..1].
Note that the rasterizer does not use these formulae directly.
They exhibit, however, one very useful property of Bézier arcs:
Each point of the curve is a weighted average of the control
points.
As all weights are positive and always sum up to 1, whatever the
value of t, each arc point lies within the triangle (polygon)
defined by the arc's three (four) control points.
In the following, only second-order curves are discussed since
rasterization of third-order curves is completely identical.
Here some samples for second-order curves.
* # on curve
* off curve
__---__
#-__ _-- -_
--__ _- -
--__ # \
--__ #
-#
Two `on' points
Two `on' points and one `off' point
between them
*
# __ Two `on' points with two `off'
\ - - points between them. The point
\ / \ marked `0' is the middle of the
- 0 \ `off' points, and is a `virtual
-_ _- # on' point where the curve passes.
-- It does not appear in the point
* list.
2. Profiles and Spans
---------------------
The following is a basic explanation of the _kind_ of computations
made by the rasterizer to build a bitmap from a vector
representation. Note that the actual implementation is slightly
different, due to performance tuning and other factors.
However, the following ideas remain in the same category, and are
more convenient to understand.
a. Sweeping the Shape
The best way to fill a shape is to decompose it into a number of
simple horizontal segments, then turn them on in the target
bitmap. These segments are called `spans'.
__---__
_-- -_
_- -
- \
/ \
/ \
| \
__---__ Example: filling a shape
_----------_ with spans.
_--------------
----------------\
/-----------------\ This is typically done from the top
/ \ to the bottom of the shape, in a
| | \ movement called a `sweep'.
V
__---__
_----------_
_--------------
----------------\
/-----------------\
/-------------------\
|---------------------\
In order to draw a span, the rasterizer must compute its
coordinates, which are simply the x coordinates of the shape's
contours, taken on the y scanlines.
/---/ |---| Note that there are usually
/---/ |---| several spans per scanline.
| /---/ |---|
| /---/_______|---| When rendering this shape to the
V /----------------| current scanline y, we must
/-----------------| compute the x values of the
a /----| |---| points a, b, c, and d.
- - - * * - - - - * * - - y -
/ / b c| |d
/---/ |---|
/---/ |---| And then turn on the spans a-b
/---/ |---| and c-d.
/---/_______|---|
/----------------|
/-----------------|
a /----| |---|
- - - ####### - - - - ##### - - y -
/ / b c| |d
b. Decomposing Outlines into Profiles
For each scanline during the sweep, we need the following
information:
o The number of spans on the current scanline, given by the
number of shape points intersecting the scanline (these are
the points a, b, c, and d in the above example).
o The x coordinates of these points.
x coordinates are computed before the sweep, in a phase called
`decomposition' which converts the glyph into *profiles*.
Put it simply, a `profile' is a contour's portion that can only
be either ascending or descending, i.e., it is monotonic in the
vertical direction (we also say y-monotonic). There is no such
thing as a horizontal profile, as we shall see.
Here are a few examples:
this square
1 2
---->---- is made of two
| | | |
| | profiles | |
^ v ^ + v
| | | |
| | | |
----<----
up down
this triangle
P2 1 2
|\ is made of two | \
^ | \ \ | \
| | \ \ profiles | \ |
| | \ v ^ | \ |
| \ | | + \ v
| \ | | \
P1 ---___ \ ---___ \
---_\ ---_ \
<--__ P3 up down
A more general contour can be made of more than two profiles:
__ ^
/ | / ___ / |
/ | / | / | / |
| | / / => | v / /
| | | | | | ^ |
^ | |___| | | ^ + | + | + v
| | | v | |
| | | up |
|___________| | down |
<-- up down
Successive profiles are always joined by horizontal segments
that are not part of the profiles themselves.
For the rasterizer, a profile is simply an *array* that
associates one horizontal *pixel* coordinate to each bitmap
*scanline* crossed by the contour's section containing the
profile. Note that profiles are *oriented* up or down along the
glyph's original flow orientation.
In other graphics libraries, profiles are also called `edges' or
`edgelists'.
c. The Render Pool
FreeType has been designed to be able to run well on _very_
light systems, including embedded systems with very few memory.
A render pool will be allocated once; the rasterizer uses this
pool for all its needs by managing this memory directly in it.
The algorithms that are used for profile computation make it
possible to use the pool as a simple growing heap. This means
that this memory management is actually quite easy and faster
than any kind of malloc()/free() combination.
Moreover, we'll see later that the rasterizer is able, when
dealing with profiles too large and numerous to lie all at once
in the render pool, to immediately decompose recursively the
rendering process into independent sub-tasks, each taking less
memory to be performed (see `sub-banding' below).
The render pool doesn't need to be large. A 4KByte pool is
enough for nearly all renditions, though nearly 100% slower than
a more comfortable 16KByte or 32KByte pool (that was tested with
complex glyphs at sizes over 500 pixels).
d. Computing Profiles Extents
Remember that a profile is an array, associating a _scanline_ to
the x pixel coordinate of its intersection with a contour.
Though it's not exactly how the FreeType rasterizer works, it is
convenient to think that we need a profile's height before
allocating it in the pool and computing its coordinates.
The profile's height is the number of scanlines crossed by the
y-monotonic section of a contour. We thus need to compute these
sections from the vectorial description. In order to do that,
we are obliged to compute all (local and global) y extrema of
the glyph (minima and maxima).
P2 For instance, this triangle has only
two y-extrema, which are simply
|\
| \ P2.y as a vertical maximum
| \ P3.y as a vertical minimum
| \
| \ P1.y is not a vertical extremum (though
| \ it is a horizontal minimum, which we
P1 ---___ \ don't need).
---_\
P3
Note that the extrema are expressed in pixel units, not in
scanlines. The triangle's height is certainly (P3.y-P2.y+1)
pixel units, but its profiles' heights are computed in
scanlines. The exact conversion is simple:
- min scanline = FLOOR ( min y )
- max scanline = CEILING( max y )
A problem arises with Bézier Arcs. While a segment is always
necessarily y-monotonic (i.e., flat, ascending, or descending),
which makes extrema computations easy, the ascent of an arc can
vary between its control points.
P2
*
# on curve
* off curve
__-x--_
_-- -_
P1 _- - A non y-monotonic Bézier arc.
# \
- The arc goes from P1 to P3.
\
\ P3
#
We first need to be able to easily detect non-monotonic arcs,
according to their control points. I will state here, without
proof, that the monotony condition can be expressed as:
P1.y <= P2.y <= P3.y for an ever-ascending arc
P1.y >= P2.y >= P3.y for an ever-descending arc
with the special case of
P1.y = P2.y = P3.y where the arc is said to be `flat'.
As you can see, these conditions can be very easily tested.
They are, however, extremely important, as any arc that does not
satisfy them necessarily contains an extremum.
Note also that a monotonic arc can contain an extremum too,
which is then one of its `on' points:
P1 P2
#---__ * P1P2P3 is ever-descending, but P1
-_ is an y-extremum.
-
---_ \
-> \
\ P3
#
Let's go back to our previous example:
P2
*
# on curve
* off curve
__-x--_
_-- -_
P1 _- - A non-y-monotonic Bézier arc.
# \
- Here we have
\ P2.y >= P1.y &&
\ P3 P2.y >= P3.y (!)
#
We need to compute the vertical maximum of this arc to be able
to compute a profile's height (the point marked by an `x'). The
arc's equation indicates that a direct computation is possible,
but we rely on a different technique, which use will become
apparent soon.
Bézier arcs have the special property of being very easily
decomposed into two sub-arcs, which are themselves Bézier arcs.
Moreover, it is easy to prove that there is at most one vertical
extremum on each Bézier arc (for second-degree curves; similar
conditions can be found for third-order arcs).
For instance, the following arc P1P2P3 can be decomposed into
two sub-arcs Q1Q2Q3 and R1R2R3:
P2
*
# on curve
* off curve
original Bézier arc P1P2P3.
__---__
_-- --_
_- -_
- -
/ \
/ \
# #
P1 P3
P2
*
Q3 Decomposed into two subarcs
Q2 R2 Q1Q2Q3 and R1R2R3
* __-#-__ *
_-- --_
_- R1 -_ Q1 = P1 R3 = P3
- - Q2 = (P1+P2)/2 R2 = (P2+P3)/2
/ \
/ \ Q3 = R1 = (Q2+R2)/2
# #
Q1 R3 Note that Q2, R2, and Q3=R1
are on a single line which is
tangent to the curve.
We have then decomposed a non-y-monotonic Bézier curve into two
smaller sub-arcs. Note that in the above drawing, both sub-arcs
are monotonic, and that the extremum is then Q3=R1. However, in
a more general case, only one sub-arc is guaranteed to be
monotonic. Getting back to our former example:
Q2
*
__-x--_ R1
_-- #_
Q1 _- Q3 - R2
# \ *
-
\
\ R3
#
Here, we see that, though Q1Q2Q3 is still non-monotonic, R1R2R3
is ever descending: We thus know that it doesn't contain the
extremum. We can then re-subdivide Q1Q2Q3 into two sub-arcs and
go on recursively, stopping when we encounter two monotonic
subarcs, or when the subarcs become simply too small.
We will finally find the vertical extremum. Note that the
iterative process of finding an extremum is called `flattening'.
e. Computing Profiles Coordinates
Once we have the height of each profile, we are able to allocate
it in the render pool. The next task is to compute coordinates
for each scanline.
In the case of segments, the computation is straightforward,
using the Euclidean algorithm (also known as Bresenham).
However, for Bézier arcs, the job is a little more complicated.
We assume that all Béziers that are part of a profile are the
result of flattening the curve, which means that they are all
y-monotonic (ascending or descending, and never flat). We now
have to compute the intersections of arcs with the profile's
scanlines. One way is to use a similar scheme to flattening
called `stepping'.
Consider this arc, going from P1 to
--------------------- P3. Suppose that we need to
compute its intersections with the
drawn scanlines. As already
--------------------- mentioned this can be done
directly, but the involved
* P2 _---# P3 algorithm is far too slow.
------------- _-- --
_-
_/ Instead, it is still possible to
---------/----------- use the decomposition property in
/ the same recursive way, i.e.,
| subdivide the arc into subarcs
------|-------------- until these get too small to cross
| more than one scanline!
|
-----|--------------- This is very easily done using a
| rasterizer-managed stack of
| subarcs.
# P1
f. Sweeping and Sorting the Spans
Once all our profiles have been computed, we begin the sweep to
build (and fill) the spans.
As both the TrueType and Type 1 specifications use the winding
fill rule (but with opposite directions), we place, on each
scanline, the present profiles in two separate lists.
One list, called the `left' one, only contains ascending
profiles, while the other `right' list contains the descending
profiles.
As each glyph is made of closed curves, a simple geometric
property ensures that the two lists contain the same number of
elements.
Creating spans is thus straightforward:
1. We sort each list in increasing horizontal order.
2. We pair each value of the left list with its corresponding
value in the right list.
/ / | | For example, we have here
/ / | | four profiles. Two of
>/ / | | | them are ascending (1 &
1// / ^ | | | 2 3), while the two others
// // 3| | | v are descending (2 & 4).
/ //4 | | | On the given scanline,
a / /< | | the left list is (1,3),
- - - *-----* - - - - *---* - - y - and the right one is
/ / b c| |d (4,2) (sorted).
There are then two spans, joining
1 to 4 (i.e. a-b) and 3 to 2
(i.e. c-d)!
Sorting doesn't necessarily take much time, as in 99 cases out
of 100, the lists' order is kept from one scanline to the next.
We can thus implement it with two simple singly-linked lists,
sorted by a classic bubble-sort, which takes a minimum amount of
time when the lists are already sorted.
A previous version of the rasterizer used more elaborate
structures, like arrays to perform `faster' sorting. It turned
out that this old scheme is not faster than the one described
above.
Once the spans have been `created', we can simply draw them in
the target bitmap.
------------------------------------------------------------------------
Copyright 2003, 2007 by
David Turner, Robert Wilhelm, and Werner Lemberg.
This file is part of the FreeType project, and may only be used,
modified, and distributed under the terms of the FreeType project
license, LICENSE.TXT. By continuing to use, modify, or distribute this
file you indicate that you have read the license and understand and
accept it fully.
--- end of raster.txt ---
Local Variables:
coding: utf-8
End:
libs/freetype-2.5.0.1/docs/reference/README
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After saying `make refdoc' this directory contains the FreeType API
reference. You need python to make this target.
This also works with Jam: Just type `jam refdoc' in the main directory.
libs/freetype-2.5.0.1/docs/reference/ft2-auto_hinter.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
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<body>
<table align=center><tr><td><font size=-1>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-1>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<center><h1>FreeType-2.5.0 API Reference</h1></center>
<center><h1>
The auto-hinter
</h1></center>
<h2>Synopsis</h2>
<table align=center cellspacing=5 cellpadding=0 border=0>
<tr><td></td><td><a href="#glyph-to-script-map">glyph-to-script-map</a></td><td></td><td><a href="#fallback-script">fallback-script</a></td></tr>
<tr><td></td><td><a href="#FT_AUTOHINTER_SCRIPT_XXX">FT_AUTOHINTER_SCRIPT_XXX</a></td><td></td><td><a href="#increase-x-height">increase-x-height</a></td></tr>
<tr><td></td><td><a href="#FT_Prop_GlyphToScriptMap">FT_Prop_GlyphToScriptMap</a></td><td></td><td><a href="#FT_Prop_IncreaseXHeight">FT_Prop_IncreaseXHeight</a></td></tr>
</table><br><br>
<table align=center width="87%"><tr><td>
<p>While FreeType's auto-hinter doesn't expose API functions by itself, it is possible to control its behaviour with <a href="ft2-module_management.html#FT_Property_Set">FT_Property_Set</a> and <a href="ft2-module_management.html#FT_Property_Get">FT_Property_Get</a>. The following lists the available properties together with the necessary macros and structures.</p>
<p>Note that the auto-hinter's module name is &lsquo;autofitter&rsquo; for historical reasons.</p>
</td></tr></table><br>
<table align=center width="75%"><tr><td>
<h4><a name="glyph-to-script-map">glyph-to-script-map</a></h4>
<table align=center width="87%"><tr><td>
<p><b>Experimental</b> <b>only</b></p>
<p>The auto-hinter provides various script modules to hint glyphs. Examples of supported scripts are Latin or CJK. Before a glyph is auto-hinted, the Unicode character map of the font gets examined, and the script is then determined based on Unicode character ranges, see below.</p>
<p>OpenType fonts, however, often provide much more glyphs than character codes (small caps, superscripts, ligatures, swashes, etc.), to be controlled by so-called &lsquo;features&rsquo;. Handling OpenType features can be quite complicated and thus needs a separate library on top of FreeType.</p>
<p>The mapping between glyph indices and scripts (in the auto-hinter sense, see the <a href="ft2-auto_hinter.html#FT_AUTOHINTER_SCRIPT_XXX">FT_AUTOHINTER_SCRIPT_XXX</a> values) is stored as an array with &lsquo;num_glyphs&rsquo; elements, as found in the font's <a href="ft2-base_interface.html#FT_Face">FT_Face</a> structure. The &lsquo;glyph-to-script-map&rsquo; property returns a pointer to this array which can be modified as needed. Note that the modification should happen before the first glyph gets processed by the auto-hinter so that the global analysis of the font shapes actually uses the modified mapping.</p>
<p>The following example code demonstrates how to access it (omitting the error handling).</p>
<pre class="colored">
FT_Library library;
FT_Face face;
FT_Prop_GlyphToScriptMap prop;
FT_Init_FreeType( &amp;library );
FT_New_Face( library, "foo.ttf", 0, &amp;face );
prop.face = face;
FT_Property_Get( library, "autofitter",
"glyph-to-script-map", &amp;prop );
// adjust `prop.map' as needed right here
FT_Load_Glyph( face, ..., FT_LOAD_FORCE_AUTOHINT );
</pre>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_AUTOHINTER_SCRIPT_XXX">FT_AUTOHINTER_SCRIPT_XXX</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_AUTOHINTER_H (freetype/ftautoh.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <a href="ft2-auto_hinter.html#FT_AUTOHINTER_SCRIPT_XXX">FT_AUTOHINTER_SCRIPT_NONE</a> 0
#define <a href="ft2-auto_hinter.html#FT_AUTOHINTER_SCRIPT_XXX">FT_AUTOHINTER_SCRIPT_LATIN</a> 1
#define <a href="ft2-auto_hinter.html#FT_AUTOHINTER_SCRIPT_XXX">FT_AUTOHINTER_SCRIPT_CJK</a> 2
#define <a href="ft2-auto_hinter.html#FT_AUTOHINTER_SCRIPT_XXX">FT_AUTOHINTER_SCRIPT_INDIC</a> 3
</pre></table><br>
<table align=center width="87%"><tr><td>
<p><b>Experimental</b> <b>only</b></p>
<p>A list of constants used for the <a href="ft2-auto_hinter.html#glyph-to-script-map">glyph-to-script-map</a> property to specify the script submodule the auto-hinter should use for hinting a particular glyph.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>values</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td colspan=0><b>FT_AUTOHINTER_SCRIPT_NONE</b></td></tr>
<tr valign=top><td></td><td>
<p>Don't auto-hint this glyph.</p>
</td></tr>
<tr valign=top><td colspan=0><b>FT_AUTOHINTER_SCRIPT_LATIN</b></td></tr>
<tr valign=top><td></td><td>
<p>Apply the latin auto-hinter. For the auto-hinter, &lsquo;latin&rsquo; is a very broad term, including Cyrillic and Greek also since characters from those scripts share the same design constraints.</p>
<p>By default, characters from the following Unicode ranges are assigned to this submodule.</p>
<pre class="colored">
U+0020 - U+007F // Basic Latin (no control characters)
U+00A0 - U+00FF // Latin-1 Supplement (no control characters)
U+0100 - U+017F // Latin Extended-A
U+0180 - U+024F // Latin Extended-B
U+0250 - U+02AF // IPA Extensions
U+02B0 - U+02FF // Spacing Modifier Letters
U+0300 - U+036F // Combining Diacritical Marks
U+0370 - U+03FF // Greek and Coptic
U+0400 - U+04FF // Cyrillic
U+0500 - U+052F // Cyrillic Supplement
U+1D00 - U+1D7F // Phonetic Extensions
U+1D80 - U+1DBF // Phonetic Extensions Supplement
U+1DC0 - U+1DFF // Combining Diacritical Marks Supplement
U+1E00 - U+1EFF // Latin Extended Additional
U+1F00 - U+1FFF // Greek Extended
U+2000 - U+206F // General Punctuation
U+2070 - U+209F // Superscripts and Subscripts
U+20A0 - U+20CF // Currency Symbols
U+2150 - U+218F // Number Forms
U+2460 - U+24FF // Enclosed Alphanumerics
U+2C60 - U+2C7F // Latin Extended-C
U+2DE0 - U+2DFF // Cyrillic Extended-A
U+2E00 - U+2E7F // Supplemental Punctuation
U+A640 - U+A69F // Cyrillic Extended-B
U+A720 - U+A7FF // Latin Extended-D
U+FB00 - U+FB06 // Alphab. Present. Forms (Latin Ligatures)
U+1D400 - U+1D7FF // Mathematical Alphanumeric Symbols
U+1F100 - U+1F1FF // Enclosed Alphanumeric Supplement
</pre>
<p></p>
</td></tr>
<tr valign=top><td colspan=0><b>FT_AUTOHINTER_SCRIPT_CJK</b></td></tr>
<tr valign=top><td></td><td>
<p>Apply the CJK auto-hinter, covering Chinese, Japanese, Korean, old Vietnamese, and some other scripts.</p>
<p>By default, characters from the following Unicode ranges are assigned to this submodule.</p>
<pre class="colored">
U+1100 - U+11FF // Hangul Jamo
U+2E80 - U+2EFF // CJK Radicals Supplement
U+2F00 - U+2FDF // Kangxi Radicals
U+2FF0 - U+2FFF // Ideographic Description Characters
U+3000 - U+303F // CJK Symbols and Punctuation
U+3040 - U+309F // Hiragana
U+30A0 - U+30FF // Katakana
U+3100 - U+312F // Bopomofo
U+3130 - U+318F // Hangul Compatibility Jamo
U+3190 - U+319F // Kanbun
U+31A0 - U+31BF // Bopomofo Extended
U+31C0 - U+31EF // CJK Strokes
U+31F0 - U+31FF // Katakana Phonetic Extensions
U+3200 - U+32FF // Enclosed CJK Letters and Months
U+3300 - U+33FF // CJK Compatibility
U+3400 - U+4DBF // CJK Unified Ideographs Extension A
U+4DC0 - U+4DFF // Yijing Hexagram Symbols
U+4E00 - U+9FFF // CJK Unified Ideographs
U+A960 - U+A97F // Hangul Jamo Extended-A
U+AC00 - U+D7AF // Hangul Syllables
U+D7B0 - U+D7FF // Hangul Jamo Extended-B
U+F900 - U+FAFF // CJK Compatibility Ideographs
U+FE10 - U+FE1F // Vertical forms
U+FE30 - U+FE4F // CJK Compatibility Forms
U+FF00 - U+FFEF // Halfwidth and Fullwidth Forms
U+1B000 - U+1B0FF // Kana Supplement
U+1D300 - U+1D35F // Tai Xuan Hing Symbols
U+1F200 - U+1F2FF // Enclosed Ideographic Supplement
U+20000 - U+2A6DF // CJK Unified Ideographs Extension B
U+2A700 - U+2B73F // CJK Unified Ideographs Extension C
U+2B740 - U+2B81F // CJK Unified Ideographs Extension D
U+2F800 - U+2FA1F // CJK Compatibility Ideographs Supplement
</pre>
<p></p>
</td></tr>
<tr valign=top><td colspan=0><b>FT_AUTOHINTER_SCRIPT_INDIC</b></td></tr>
<tr valign=top><td></td><td>
<p>Apply the indic auto-hinter, covering all major scripts from the Indian sub-continent and some other related scripts like Thai, Lao, or Tibetan.</p>
<p>By default, characters from the following Unicode ranges are assigned to this submodule.</p>
<pre class="colored">
U+0900 - U+0DFF // Indic Range
U+0F00 - U+0FFF // Tibetan
U+1900 - U+194F // Limbu
U+1B80 - U+1BBF // Sundanese
U+1C80 - U+1CDF // Meetei Mayak
U+A800 - U+A82F // Syloti Nagri
U+11800 - U+118DF // Sharada
</pre>
<p>Note that currently Indic support is rudimentary only, missing blue zone support.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Prop_GlyphToScriptMap">FT_Prop_GlyphToScriptMap</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_AUTOHINTER_H (freetype/ftautoh.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> FT_Prop_GlyphToScriptMap_
{
<a href="ft2-base_interface.html#FT_Face">FT_Face</a> face;
<a href="ft2-basic_types.html#FT_Byte">FT_Byte</a>* map;
} <b>FT_Prop_GlyphToScriptMap</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p><b>Experimental</b> <b>only</b></p>
<p>The data exchange structure for the <a href="ft2-auto_hinter.html#glyph-to-script-map">glyph-to-script-map</a> property.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="fallback-script">fallback-script</a></h4>
<table align=center width="87%"><tr><td>
<p><b>Experimental</b> <b>only</b></p>
<p>If no auto-hinter script module can be assigned to a glyph, a fallback script gets assigned to it (see also the <a href="ft2-auto_hinter.html#glyph-to-script-map">glyph-to-script-map</a> property). By default, this is <a href="ft2-auto_hinter.html#FT_AUTOHINTER_SCRIPT_XXX">FT_AUTOHINTER_SCRIPT_CJK</a>. Using the &lsquo;fallback-script&rsquo; property, this fallback value can be changed.</p>
<pre class="colored">
FT_Library library;
FT_UInt fallback_script = FT_AUTOHINTER_SCRIPT_NONE;
FT_Init_FreeType( &amp;library );
FT_Property_Set( library, "autofitter",
"fallback-script", &amp;fallback_script );
</pre>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>This property can be used with <a href="ft2-module_management.html#FT_Property_Get">FT_Property_Get</a> also.</p>
<p>It's important to use the right timing for changing this value: The creation of the glyph-to-script map which eventually uses the fallback script value gets triggered either by setting or reading a face-specific property like <a href="ft2-auto_hinter.html#glyph-to-script-map">glyph-to-script-map</a>, or by auto-hinting any glyph from that face. In particular, if you have already created an <a href="ft2-base_interface.html#FT_Face">FT_Face</a> structure but not loaded any glyph (using the auto-hinter), a change of the fallback glyph will affect this face.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="increase-x-height">increase-x-height</a></h4>
<table align=center width="87%"><tr><td>
<p>For ppem values in the range 6&nbsp;&lt;= ppem &lt;= &lsquo;increase-x-height&rsquo;, round up the font's x&nbsp;height much more often than normally. If the value is set to&nbsp;0, which is the default, this feature is switched off. Use this property to improve the legibility of small font sizes if necessary.</p>
<pre class="colored">
FT_Library library;
FT_Face face;
FT_Prop_IncreaseXHeight prop;
FT_Init_FreeType( &amp;library );
FT_New_Face( library, "foo.ttf", 0, &amp;face );
FT_Set_Char_Size( face, 10 * 64, 0, 72, 0 );
prop.face = face;
prop.limit = 14;
FT_Property_Set( library, "autofitter",
"increase-x-height", &amp;prop );
</pre>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>This property can be used with <a href="ft2-module_management.html#FT_Property_Get">FT_Property_Get</a> also.</p>
<p>Set this value right after calling <a href="ft2-base_interface.html#FT_Set_Char_Size">FT_Set_Char_Size</a>, but before loading any glyph (using the auto-hinter).</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Prop_IncreaseXHeight">FT_Prop_IncreaseXHeight</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_AUTOHINTER_H (freetype/ftautoh.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> FT_Prop_IncreaseXHeight_
{
<a href="ft2-base_interface.html#FT_Face">FT_Face</a> face;
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> limit;
} <b>FT_Prop_IncreaseXHeight</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>The data exchange structure for the <a href="ft2-auto_hinter.html#increase-x-height">increase-x-height</a> property.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
</body>
</html>
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<center><h1>FreeType-2.5.0 API Reference</h1></center>
<center><h1>
BDF and PCF Files
</h1></center>
<h2>Synopsis</h2>
<table align=center cellspacing=5 cellpadding=0 border=0>
<tr><td></td><td><a href="#FT_PropertyType">FT_PropertyType</a></td><td></td><td><a href="#BDF_PropertyRec">BDF_PropertyRec</a></td><td></td><td><a href="#FT_Get_BDF_Property">FT_Get_BDF_Property</a></td></tr>
<tr><td></td><td><a href="#BDF_Property">BDF_Property</a></td><td></td><td><a href="#FT_Get_BDF_Charset_ID">FT_Get_BDF_Charset_ID</a></td><td></td><td></td></tr>
</table><br><br>
<table align=center width="87%"><tr><td>
<p>This section contains the declaration of functions specific to BDF and PCF fonts.</p>
</td></tr></table><br>
<table align=center width="75%"><tr><td>
<h4><a name="FT_PropertyType">FT_PropertyType</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_BDF_H (freetype/ftbdf.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">enum</span> BDF_PropertyType_
{
<a href="ft2-bdf_fonts.html#FT_PropertyType">BDF_PROPERTY_TYPE_NONE</a> = 0,
<a href="ft2-bdf_fonts.html#FT_PropertyType">BDF_PROPERTY_TYPE_ATOM</a> = 1,
<a href="ft2-bdf_fonts.html#FT_PropertyType">BDF_PROPERTY_TYPE_INTEGER</a> = 2,
<a href="ft2-bdf_fonts.html#FT_PropertyType">BDF_PROPERTY_TYPE_CARDINAL</a> = 3
} BDF_PropertyType;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A list of BDF property types.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>values</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>BDF_PROPERTY_TYPE_NONE</b></td><td>
<p>Value&nbsp;0 is used to indicate a missing property.</p>
</td></tr>
<tr valign=top><td><b>BDF_PROPERTY_TYPE_ATOM</b></td><td>
<p>Property is a string atom.</p>
</td></tr>
<tr valign=top><td colspan=0><b>BDF_PROPERTY_TYPE_INTEGER</b></td></tr>
<tr valign=top><td></td><td>
<p>Property is a 32-bit signed integer.</p>
</td></tr>
<tr valign=top><td colspan=0><b>BDF_PROPERTY_TYPE_CARDINAL</b></td></tr>
<tr valign=top><td></td><td>
<p>Property is a 32-bit unsigned integer.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="BDF_Property">BDF_Property</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_BDF_H (freetype/ftbdf.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> BDF_PropertyRec_* <b>BDF_Property</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A handle to a <a href="ft2-bdf_fonts.html#BDF_PropertyRec">BDF_PropertyRec</a> structure to model a given BDF/PCF property.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="BDF_PropertyRec">BDF_PropertyRec</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_BDF_H (freetype/ftbdf.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> BDF_PropertyRec_
{
BDF_PropertyType type;
<span class="keyword">union</span> {
<span class="keyword">const</span> <span class="keyword">char</span>* atom;
<a href="ft2-basic_types.html#FT_Int32">FT_Int32</a> integer;
<a href="ft2-basic_types.html#FT_UInt32">FT_UInt32</a> cardinal;
} u;
} <b>BDF_PropertyRec</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>This structure models a given BDF/PCF property.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>fields</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>type</b></td><td>
<p>The property type.</p>
</td></tr>
<tr valign=top><td><b>u.atom</b></td><td>
<p>The atom string, if type is <a href="ft2-bdf_fonts.html#FT_PropertyType">BDF_PROPERTY_TYPE_ATOM</a>.</p>
</td></tr>
<tr valign=top><td><b>u.integer</b></td><td>
<p>A signed integer, if type is <a href="ft2-bdf_fonts.html#FT_PropertyType">BDF_PROPERTY_TYPE_INTEGER</a>.</p>
</td></tr>
<tr valign=top><td><b>u.cardinal</b></td><td>
<p>An unsigned integer, if type is <a href="ft2-bdf_fonts.html#FT_PropertyType">BDF_PROPERTY_TYPE_CARDINAL</a>.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Get_BDF_Charset_ID">FT_Get_BDF_Charset_ID</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_BDF_H (freetype/ftbdf.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Get_BDF_Charset_ID</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
<span class="keyword">const</span> <span class="keyword">char</span>* *acharset_encoding,
<span class="keyword">const</span> <span class="keyword">char</span>* *acharset_registry );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Retrieve a BDF font character set identity, according to the BDF specification.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>A handle to the input face.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>acharset_encoding</b></td><td>
<p>Charset encoding, as a C&nbsp;string, owned by the face.</p>
</td></tr>
<tr valign=top><td><b>acharset_registry</b></td><td>
<p>Charset registry, as a C&nbsp;string, owned by the face.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>This function only works with BDF faces, returning an error otherwise.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Get_BDF_Property">FT_Get_BDF_Property</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_BDF_H (freetype/ftbdf.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Get_BDF_Property</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
<span class="keyword">const</span> <span class="keyword">char</span>* prop_name,
<a href="ft2-bdf_fonts.html#BDF_PropertyRec">BDF_PropertyRec</a> *aproperty );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Retrieve a BDF property from a BDF or PCF font file.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>A handle to the input face.</p>
</td></tr>
<tr valign=top><td><b>name</b></td><td>
<p>The property name.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>aproperty</b></td><td>
<p>The property.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>This function works with BDF <i>and</i> PCF fonts. It returns an error otherwise. It also returns an error if the property is not in the font.</p>
<p>A &lsquo;property&rsquo; is a either key-value pair within the STARTPROPERTIES ... ENDPROPERTIES block of a BDF font or a key-value pair from the &lsquo;info-&gt;props&rsquo; array within a &lsquo;FontRec&rsquo; structure of a PCF font.</p>
<p>Integer properties are always stored as &lsquo;signed&rsquo; within PCF fonts; consequently, <a href="ft2-bdf_fonts.html#FT_PropertyType">BDF_PROPERTY_TYPE_CARDINAL</a> is a possible return value for BDF fonts only.</p>
<p>In case of error, &lsquo;aproperty-&gt;type&rsquo; is always set to <a href="ft2-bdf_fonts.html#FT_PropertyType">BDF_PROPERTY_TYPE_NONE</a>.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
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<center><h1>FreeType-2.5.0 API Reference</h1></center>
<center><h1>
Bitmap Handling
</h1></center>
<h2>Synopsis</h2>
<table align=center cellspacing=5 cellpadding=0 border=0>
<tr><td></td><td><a href="#FT_Bitmap_New">FT_Bitmap_New</a></td><td></td><td><a href="#FT_Bitmap_Embolden">FT_Bitmap_Embolden</a></td><td></td><td><a href="#FT_GlyphSlot_Own_Bitmap">FT_GlyphSlot_Own_Bitmap</a></td></tr>
<tr><td></td><td><a href="#FT_Bitmap_Copy">FT_Bitmap_Copy</a></td><td></td><td><a href="#FT_Bitmap_Convert">FT_Bitmap_Convert</a></td><td></td><td><a href="#FT_Bitmap_Done">FT_Bitmap_Done</a></td></tr>
</table><br><br>
<table align=center width="87%"><tr><td>
<p>This section contains functions for converting FT_Bitmap objects.</p>
</td></tr></table><br>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Bitmap_New">FT_Bitmap_New</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_BITMAP_H (freetype/ftbitmap.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <span class="keyword">void</span> )
<b>FT_Bitmap_New</b>( <a href="ft2-basic_types.html#FT_Bitmap">FT_Bitmap</a> *abitmap );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Initialize a pointer to an <a href="ft2-basic_types.html#FT_Bitmap">FT_Bitmap</a> structure.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>inout</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>abitmap</b></td><td>
<p>A pointer to the bitmap structure.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Bitmap_Copy">FT_Bitmap_Copy</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_BITMAP_H (freetype/ftbitmap.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Bitmap_Copy</b>( <a href="ft2-base_interface.html#FT_Library">FT_Library</a> library,
<span class="keyword">const</span> <a href="ft2-basic_types.html#FT_Bitmap">FT_Bitmap</a> *source,
<a href="ft2-basic_types.html#FT_Bitmap">FT_Bitmap</a> *target);
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Copy a bitmap into another one.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>library</b></td><td>
<p>A handle to a library object.</p>
</td></tr>
<tr valign=top><td><b>source</b></td><td>
<p>A handle to the source bitmap.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>target</b></td><td>
<p>A handle to the target bitmap.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Bitmap_Embolden">FT_Bitmap_Embolden</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_BITMAP_H (freetype/ftbitmap.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Bitmap_Embolden</b>( <a href="ft2-base_interface.html#FT_Library">FT_Library</a> library,
<a href="ft2-basic_types.html#FT_Bitmap">FT_Bitmap</a>* bitmap,
<a href="ft2-basic_types.html#FT_Pos">FT_Pos</a> xStrength,
<a href="ft2-basic_types.html#FT_Pos">FT_Pos</a> yStrength );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Embolden a bitmap. The new bitmap will be about &lsquo;xStrength&rsquo; pixels wider and &lsquo;yStrength&rsquo; pixels higher. The left and bottom borders are kept unchanged.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>library</b></td><td>
<p>A handle to a library object.</p>
</td></tr>
<tr valign=top><td><b>xStrength</b></td><td>
<p>How strong the glyph is emboldened horizontally. Expressed in 26.6 pixel format.</p>
</td></tr>
<tr valign=top><td><b>yStrength</b></td><td>
<p>How strong the glyph is emboldened vertically. Expressed in 26.6 pixel format.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>inout</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>bitmap</b></td><td>
<p>A handle to the target bitmap.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>The current implementation restricts &lsquo;xStrength&rsquo; to be less than or equal to&nbsp;8 if bitmap is of pixel_mode <a href="ft2-basic_types.html#FT_Pixel_Mode">FT_PIXEL_MODE_MONO</a>.</p>
<p>If you want to embolden the bitmap owned by a <a href="ft2-base_interface.html#FT_GlyphSlotRec">FT_GlyphSlotRec</a>, you should call <a href="ft2-bitmap_handling.html#FT_GlyphSlot_Own_Bitmap">FT_GlyphSlot_Own_Bitmap</a> on the slot first.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Bitmap_Convert">FT_Bitmap_Convert</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_BITMAP_H (freetype/ftbitmap.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Bitmap_Convert</b>( <a href="ft2-base_interface.html#FT_Library">FT_Library</a> library,
<span class="keyword">const</span> <a href="ft2-basic_types.html#FT_Bitmap">FT_Bitmap</a> *source,
<a href="ft2-basic_types.html#FT_Bitmap">FT_Bitmap</a> *target,
<a href="ft2-basic_types.html#FT_Int">FT_Int</a> alignment );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Convert a bitmap object with depth 1bpp, 2bpp, 4bpp, 8bpp or 32bpp to a bitmap object with depth 8bpp, making the number of used bytes line (a.k.a. the &lsquo;pitch&rsquo;) a multiple of &lsquo;alignment&rsquo;.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>library</b></td><td>
<p>A handle to a library object.</p>
</td></tr>
<tr valign=top><td><b>source</b></td><td>
<p>The source bitmap.</p>
</td></tr>
<tr valign=top><td><b>alignment</b></td><td>
<p>The pitch of the bitmap is a multiple of this parameter. Common values are 1, 2, or 4.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>target</b></td><td>
<p>The target bitmap.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>It is possible to call <a href="ft2-bitmap_handling.html#FT_Bitmap_Convert">FT_Bitmap_Convert</a> multiple times without calling <a href="ft2-bitmap_handling.html#FT_Bitmap_Done">FT_Bitmap_Done</a> (the memory is simply reallocated).</p>
<p>Use <a href="ft2-bitmap_handling.html#FT_Bitmap_Done">FT_Bitmap_Done</a> to finally remove the bitmap object.</p>
<p>The &lsquo;library&rsquo; argument is taken to have access to FreeType's memory handling functions.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_GlyphSlot_Own_Bitmap">FT_GlyphSlot_Own_Bitmap</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_BITMAP_H (freetype/ftbitmap.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_GlyphSlot_Own_Bitmap</b>( <a href="ft2-base_interface.html#FT_GlyphSlot">FT_GlyphSlot</a> slot );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Make sure that a glyph slot owns &lsquo;slot-&gt;bitmap&rsquo;.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>slot</b></td><td>
<p>The glyph slot.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>This function is to be used in combination with <a href="ft2-bitmap_handling.html#FT_Bitmap_Embolden">FT_Bitmap_Embolden</a>.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Bitmap_Done">FT_Bitmap_Done</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_BITMAP_H (freetype/ftbitmap.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Bitmap_Done</b>( <a href="ft2-base_interface.html#FT_Library">FT_Library</a> library,
<a href="ft2-basic_types.html#FT_Bitmap">FT_Bitmap</a> *bitmap );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Destroy a bitmap object created with <a href="ft2-bitmap_handling.html#FT_Bitmap_New">FT_Bitmap_New</a>.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>library</b></td><td>
<p>A handle to a library object.</p>
</td></tr>
<tr valign=top><td><b>bitmap</b></td><td>
<p>The bitmap object to be freed.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>The &lsquo;library&rsquo; argument is taken to have access to FreeType's memory handling functions.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
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<td><font size=-1>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<center><h1>FreeType-2.5.0 API Reference</h1></center>
<center><h1>
BZIP2 Streams
</h1></center>
<h2>Synopsis</h2>
<table align=center cellspacing=5 cellpadding=0 border=0>
<tr><td></td><td><a href="#FT_Stream_OpenBzip2">FT_Stream_OpenBzip2</a></td><td></td><td></td><td></td><td></td></tr>
</table><br><br>
<table align=center width="87%"><tr><td>
<p>This section contains the declaration of Bzip2-specific functions.</p>
</td></tr></table><br>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Stream_OpenBzip2">FT_Stream_OpenBzip2</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_BZIP2_H (freetype/ftbzip2.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Stream_OpenBzip2</b>( <a href="ft2-system_interface.html#FT_Stream">FT_Stream</a> stream,
<a href="ft2-system_interface.html#FT_Stream">FT_Stream</a> source );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Open a new stream to parse bzip2-compressed font files. This is mainly used to support the compressed &lsquo;*.pcf.bz2&rsquo; fonts that come with XFree86.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>stream</b></td><td>
<p>The target embedding stream.</p>
</td></tr>
<tr valign=top><td><b>source</b></td><td>
<p>The source stream.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>The source stream must be opened <i>before</i> calling this function.</p>
<p>Calling the internal function &lsquo;FT_Stream_Close&rsquo; on the new stream will <b>not</b> call &lsquo;FT_Stream_Close&rsquo; on the source stream. None of the stream objects will be released to the heap.</p>
<p>The stream implementation is very basic and resets the decompression process each time seeking backwards is needed within the stream.</p>
<p>In certain builds of the library, bzip2 compression recognition is automatically handled when calling <a href="ft2-base_interface.html#FT_New_Face">FT_New_Face</a> or <a href="ft2-base_interface.html#FT_Open_Face">FT_Open_Face</a>. This means that if no font driver is capable of handling the raw compressed file, the library will try to open a bzip2 compressed stream from it and re-open the face with it.</p>
<p>This function may return &lsquo;FT_Err_Unimplemented_Feature&rsquo; if your build of FreeType was not compiled with bzip2 support.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
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<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
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<td><font size=-1>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<center><h1>FreeType-2.5.0 API Reference</h1></center>
<center><h1>
The CFF driver
</h1></center>
<h2>Synopsis</h2>
<table align=center cellspacing=5 cellpadding=0 border=0>
<tr><td></td><td><a href="#hinting-engine">hinting-engine</a></td><td></td><td><a href="#FT_CFF_HINTING_XXX">FT_CFF_HINTING_XXX</a></td><td></td><td><a href="#no-stem-darkening">no-stem-darkening</a></td></tr>
</table><br><br>
<table align=center width="87%"><tr><td>
<p>While FreeType's CFF driver doesn't expose API functions by itself, it is possible to control its behaviour with <a href="ft2-module_management.html#FT_Property_Set">FT_Property_Set</a> and <a href="ft2-module_management.html#FT_Property_Get">FT_Property_Get</a>. The following lists the available properties together with the necessary macros and structures.</p>
<p>The CFF driver's module name is &lsquo;cff&rsquo;.</p>
</td></tr></table><br>
<table align=center width="75%"><tr><td>
<h4><a name="hinting-engine">hinting-engine</a></h4>
<table align=center width="87%"><tr><td>
<p>Thanks to Adobe, which contributed a new hinting (and parsing) engine, an application can select between &lsquo;freetype&rsquo; and &lsquo;adobe&rsquo; if compiled with CFF_CONFIG_OPTION_OLD_ENGINE. If this configuration macro isn't defined, &lsquo;hinting-engine&rsquo; does nothing.</p>
<p>The default engine is &lsquo;freetype&rsquo; if CFF_CONFIG_OPTION_OLD_ENGINE is defined, and &lsquo;adobe&rsquo; otherwise.</p>
<p>The following example code demonstrates how to select Adobe's hinting engine (omitting the error handling).</p>
<pre class="colored">
FT_Library library;
FT_Face face;
FT_UInt hinting_engine = FT_CFF_HINTING_ADOBE;
FT_Init_FreeType( &amp;library );
FT_Property_Set( library, "cff",
"hinting-engine", &amp;hinting_engine );
</pre>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>This property can be used with <a href="ft2-module_management.html#FT_Property_Get">FT_Property_Get</a> also.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_CFF_HINTING_XXX">FT_CFF_HINTING_XXX</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_CFF_DRIVER_H (freetype/ftcffdrv.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <a href="ft2-cff_driver.html#FT_CFF_HINTING_XXX">FT_CFF_HINTING_FREETYPE</a> 0
#define <a href="ft2-cff_driver.html#FT_CFF_HINTING_XXX">FT_CFF_HINTING_ADOBE</a> 1
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A list of constants used for the <a href="ft2-cff_driver.html#hinting-engine">hinting-engine</a> property to select the hinting engine for CFF fonts.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>values</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td colspan=0><b>FT_CFF_HINTING_FREETYPE</b></td></tr>
<tr valign=top><td></td><td>
<p>Use the old FreeType hinting engine.</p>
</td></tr>
<tr valign=top><td><b>FT_CFF_HINTING_ADOBE</b></td><td>
<p>Use the hinting engine contributed by Adobe.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="no-stem-darkening">no-stem-darkening</a></h4>
<table align=center width="87%"><tr><td>
<p>By default, the Adobe CFF engine darkens stems at smaller sizes, regardless of hinting, to enhance contrast. Setting this property, stem darkening gets switched off.</p>
<p>Note that stem darkening is never applied if <a href="ft2-base_interface.html#FT_LOAD_XXX">FT_LOAD_NO_SCALE</a> is set.</p>
<pre class="colored">
FT_Library library;
FT_Face face;
FT_Bool no_stem_darkening = TRUE;
FT_Init_FreeType( &amp;library );
FT_Property_Set( library, "cff",
"no-stem-darkening", &amp;no_stem_darkening );
</pre>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>This property can be used with <a href="ft2-module_management.html#FT_Property_Get">FT_Property_Get</a> also.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
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<center><h1>FreeType-2.5.0 API Reference</h1></center>
<center><h1>
CID Fonts
</h1></center>
<h2>Synopsis</h2>
<table align=center cellspacing=5 cellpadding=0 border=0>
<tr><td></td><td><a href="#FT_Get_CID_Registry_Ordering_Supplement">FT_Get_CID_Registry_Ordering_Supplement</a></td></tr>
<tr><td></td><td><a href="#FT_Get_CID_Is_Internally_CID_Keyed">FT_Get_CID_Is_Internally_CID_Keyed</a></td></tr>
<tr><td></td><td><a href="#FT_Get_CID_From_Glyph_Index">FT_Get_CID_From_Glyph_Index</a></td></tr>
</table><br><br>
<table align=center width="87%"><tr><td>
<p>This section contains the declaration of CID-keyed font specific functions.</p>
</td></tr></table><br>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Get_CID_Registry_Ordering_Supplement">FT_Get_CID_Registry_Ordering_Supplement</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_CID_H (freetype/ftcid.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Get_CID_Registry_Ordering_Supplement</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
<span class="keyword">const</span> <span class="keyword">char</span>* *registry,
<span class="keyword">const</span> <span class="keyword">char</span>* *ordering,
<a href="ft2-basic_types.html#FT_Int">FT_Int</a> *supplement);
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Retrieve the Registry/Ordering/Supplement triple (also known as the "R/O/S") from a CID-keyed font.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>A handle to the input face.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>registry</b></td><td>
<p>The registry, as a C&nbsp;string, owned by the face.</p>
</td></tr>
<tr valign=top><td><b>ordering</b></td><td>
<p>The ordering, as a C&nbsp;string, owned by the face.</p>
</td></tr>
<tr valign=top><td><b>supplement</b></td><td>
<p>The supplement.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>This function only works with CID faces, returning an error otherwise.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>since</b></em></td></tr><tr><td>
<p>2.3.6</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Get_CID_Is_Internally_CID_Keyed">FT_Get_CID_Is_Internally_CID_Keyed</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_CID_H (freetype/ftcid.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Get_CID_Is_Internally_CID_Keyed</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
<a href="ft2-basic_types.html#FT_Bool">FT_Bool</a> *is_cid );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Retrieve the type of the input face, CID keyed or not. In constrast to the <a href="ft2-base_interface.html#FT_IS_CID_KEYED">FT_IS_CID_KEYED</a> macro this function returns successfully also for CID-keyed fonts in an SNFT wrapper.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>A handle to the input face.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>is_cid</b></td><td>
<p>The type of the face as an <a href="ft2-basic_types.html#FT_Bool">FT_Bool</a>.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>This function only works with CID faces and OpenType fonts, returning an error otherwise.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>since</b></em></td></tr><tr><td>
<p>2.3.9</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Get_CID_From_Glyph_Index">FT_Get_CID_From_Glyph_Index</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_CID_H (freetype/ftcid.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Get_CID_From_Glyph_Index</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> glyph_index,
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> *cid );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Retrieve the CID of the input glyph index.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>A handle to the input face.</p>
</td></tr>
<tr valign=top><td><b>glyph_index</b></td><td>
<p>The input glyph index.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>cid</b></td><td>
<p>The CID as an <a href="ft2-basic_types.html#FT_UInt">FT_UInt</a>.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>This function only works with CID faces and OpenType fonts, returning an error otherwise.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>since</b></em></td></tr><tr><td>
<p>2.3.9</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
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</body>
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<center><h1>FreeType-2.5.0 API Reference</h1></center>
<center><h1>
Computations
</h1></center>
<h2>Synopsis</h2>
<table align=center cellspacing=5 cellpadding=0 border=0>
<tr><td></td><td><a href="#FT_MulDiv">FT_MulDiv</a></td><td></td><td><a href="#FT_Matrix_Invert">FT_Matrix_Invert</a></td><td></td><td><a href="#FT_Tan">FT_Tan</a></td></tr>
<tr><td></td><td><a href="#FT_MulFix">FT_MulFix</a></td><td></td><td><a href="#FT_Angle">FT_Angle</a></td><td></td><td><a href="#FT_Atan2">FT_Atan2</a></td></tr>
<tr><td></td><td><a href="#FT_DivFix">FT_DivFix</a></td><td></td><td><a href="#FT_ANGLE_PI">FT_ANGLE_PI</a></td><td></td><td><a href="#FT_Angle_Diff">FT_Angle_Diff</a></td></tr>
<tr><td></td><td><a href="#FT_RoundFix">FT_RoundFix</a></td><td></td><td><a href="#FT_ANGLE_2PI">FT_ANGLE_2PI</a></td><td></td><td><a href="#FT_Vector_Unit">FT_Vector_Unit</a></td></tr>
<tr><td></td><td><a href="#FT_CeilFix">FT_CeilFix</a></td><td></td><td><a href="#FT_ANGLE_PI2">FT_ANGLE_PI2</a></td><td></td><td><a href="#FT_Vector_Rotate">FT_Vector_Rotate</a></td></tr>
<tr><td></td><td><a href="#FT_FloorFix">FT_FloorFix</a></td><td></td><td><a href="#FT_ANGLE_PI4">FT_ANGLE_PI4</a></td><td></td><td><a href="#FT_Vector_Length">FT_Vector_Length</a></td></tr>
<tr><td></td><td><a href="#FT_Vector_Transform">FT_Vector_Transform</a></td><td></td><td><a href="#FT_Sin">FT_Sin</a></td><td></td><td><a href="#FT_Vector_Polarize">FT_Vector_Polarize</a></td></tr>
<tr><td></td><td><a href="#FT_Matrix_Multiply">FT_Matrix_Multiply</a></td><td></td><td><a href="#FT_Cos">FT_Cos</a></td><td></td><td><a href="#FT_Vector_From_Polar">FT_Vector_From_Polar</a></td></tr>
</table><br><br>
<table align=center width="87%"><tr><td>
<p>This section contains various functions used to perform computations on 16.16 fixed-float numbers or 2d vectors.</p>
</td></tr></table><br>
<table align=center width="75%"><tr><td>
<h4><a name="FT_MulDiv">FT_MulDiv</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_FREETYPE_H (freetype/freetype.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Long">FT_Long</a> )
<b>FT_MulDiv</b>( <a href="ft2-basic_types.html#FT_Long">FT_Long</a> a,
<a href="ft2-basic_types.html#FT_Long">FT_Long</a> b,
<a href="ft2-basic_types.html#FT_Long">FT_Long</a> c );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A very simple function used to perform the computation &lsquo;(a*b)/c&rsquo; with maximum accuracy (it uses a 64-bit intermediate integer whenever necessary).</p>
<p>This function isn't necessarily as fast as some processor specific operations, but is at least completely portable.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>a</b></td><td>
<p>The first multiplier.</p>
</td></tr>
<tr valign=top><td><b>b</b></td><td>
<p>The second multiplier.</p>
</td></tr>
<tr valign=top><td><b>c</b></td><td>
<p>The divisor.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>The result of &lsquo;(a*b)/c&rsquo;. This function never traps when trying to divide by zero; it simply returns &lsquo;MaxInt&rsquo; or &lsquo;MinInt&rsquo; depending on the signs of &lsquo;a&rsquo; and &lsquo;b&rsquo;.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_MulFix">FT_MulFix</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_FREETYPE_H (freetype/freetype.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Long">FT_Long</a> )
<b>FT_MulFix</b>( <a href="ft2-basic_types.html#FT_Long">FT_Long</a> a,
<a href="ft2-basic_types.html#FT_Long">FT_Long</a> b );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A very simple function used to perform the computation &lsquo;(a*b)/0x10000&rsquo; with maximum accuracy. Most of the time this is used to multiply a given value by a 16.16 fixed-point factor.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>a</b></td><td>
<p>The first multiplier.</p>
</td></tr>
<tr valign=top><td><b>b</b></td><td>
<p>The second multiplier. Use a 16.16 factor here whenever possible (see note below).</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>The result of &lsquo;(a*b)/0x10000&rsquo;.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>This function has been optimized for the case where the absolute value of &lsquo;a&rsquo; is less than 2048, and &lsquo;b&rsquo; is a 16.16 scaling factor. As this happens mainly when scaling from notional units to fractional pixels in FreeType, it resulted in noticeable speed improvements between versions 2.x and 1.x.</p>
<p>As a conclusion, always try to place a 16.16 factor as the <i>second</i> argument of this function; this can make a great difference.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_DivFix">FT_DivFix</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_FREETYPE_H (freetype/freetype.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Long">FT_Long</a> )
<b>FT_DivFix</b>( <a href="ft2-basic_types.html#FT_Long">FT_Long</a> a,
<a href="ft2-basic_types.html#FT_Long">FT_Long</a> b );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A very simple function used to perform the computation &lsquo;(a*0x10000)/b&rsquo; with maximum accuracy. Most of the time, this is used to divide a given value by a 16.16 fixed-point factor.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>a</b></td><td>
<p>The first multiplier.</p>
</td></tr>
<tr valign=top><td><b>b</b></td><td>
<p>The second multiplier. Use a 16.16 factor here whenever possible (see note below).</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>The result of &lsquo;(a*0x10000)/b&rsquo;.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>The optimization for FT_DivFix() is simple: If (a&nbsp;&lt;&lt;&nbsp;16) fits in 32&nbsp;bits, then the division is computed directly. Otherwise, we use a specialized version of <a href="ft2-computations.html#FT_MulDiv">FT_MulDiv</a>.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_RoundFix">FT_RoundFix</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_FREETYPE_H (freetype/freetype.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a> )
<b>FT_RoundFix</b>( <a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a> a );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A very simple function used to round a 16.16 fixed number.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>a</b></td><td>
<p>The number to be rounded.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>The result of &lsquo;(a + 0x8000) &amp; -0x10000&rsquo;.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_CeilFix">FT_CeilFix</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_FREETYPE_H (freetype/freetype.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a> )
<b>FT_CeilFix</b>( <a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a> a );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A very simple function used to compute the ceiling function of a 16.16 fixed number.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>a</b></td><td>
<p>The number for which the ceiling function is to be computed.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>The result of &lsquo;(a + 0x10000 - 1) &amp; -0x10000&rsquo;.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_FloorFix">FT_FloorFix</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_FREETYPE_H (freetype/freetype.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a> )
<b>FT_FloorFix</b>( <a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a> a );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A very simple function used to compute the floor function of a 16.16 fixed number.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>a</b></td><td>
<p>The number for which the floor function is to be computed.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>The result of &lsquo;a &amp; -0x10000&rsquo;.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Vector_Transform">FT_Vector_Transform</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_FREETYPE_H (freetype/freetype.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <span class="keyword">void</span> )
<b>FT_Vector_Transform</b>( <a href="ft2-basic_types.html#FT_Vector">FT_Vector</a>* vec,
<span class="keyword">const</span> <a href="ft2-basic_types.html#FT_Matrix">FT_Matrix</a>* matrix );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Transform a single vector through a 2x2 matrix.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>inout</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>vector</b></td><td>
<p>The target vector to transform.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>matrix</b></td><td>
<p>A pointer to the source 2x2 matrix.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>The result is undefined if either &lsquo;vector&rsquo; or &lsquo;matrix&rsquo; is invalid.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Matrix_Multiply">FT_Matrix_Multiply</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_GLYPH_H (freetype/ftglyph.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <span class="keyword">void</span> )
<b>FT_Matrix_Multiply</b>( <span class="keyword">const</span> <a href="ft2-basic_types.html#FT_Matrix">FT_Matrix</a>* a,
<a href="ft2-basic_types.html#FT_Matrix">FT_Matrix</a>* b );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Perform the matrix operation &lsquo;b = a*b&rsquo;.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>a</b></td><td>
<p>A pointer to matrix &lsquo;a&rsquo;.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>inout</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>b</b></td><td>
<p>A pointer to matrix &lsquo;b&rsquo;.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>The result is undefined if either &lsquo;a&rsquo; or &lsquo;b&rsquo; is zero.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Matrix_Invert">FT_Matrix_Invert</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_GLYPH_H (freetype/ftglyph.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Matrix_Invert</b>( <a href="ft2-basic_types.html#FT_Matrix">FT_Matrix</a>* matrix );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Invert a 2x2 matrix. Return an error if it can't be inverted.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>inout</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>matrix</b></td><td>
<p>A pointer to the target matrix. Remains untouched in case of error.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Angle">FT_Angle</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TRIGONOMETRY_H (freetype/fttrigon.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a> <b>FT_Angle</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>This type is used to model angle values in FreeType. Note that the angle is a 16.16 fixed-point value expressed in degrees.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_ANGLE_PI">FT_ANGLE_PI</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TRIGONOMETRY_H (freetype/fttrigon.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_ANGLE_PI</b> ( 180L &lt;&lt; 16 )
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>The angle pi expressed in <a href="ft2-computations.html#FT_Angle">FT_Angle</a> units.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_ANGLE_2PI">FT_ANGLE_2PI</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TRIGONOMETRY_H (freetype/fttrigon.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_ANGLE_2PI</b> ( <a href="ft2-computations.html#FT_ANGLE_PI">FT_ANGLE_PI</a> * 2 )
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>The angle 2*pi expressed in <a href="ft2-computations.html#FT_Angle">FT_Angle</a> units.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_ANGLE_PI2">FT_ANGLE_PI2</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TRIGONOMETRY_H (freetype/fttrigon.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_ANGLE_PI2</b> ( <a href="ft2-computations.html#FT_ANGLE_PI">FT_ANGLE_PI</a> / 2 )
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>The angle pi/2 expressed in <a href="ft2-computations.html#FT_Angle">FT_Angle</a> units.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_ANGLE_PI4">FT_ANGLE_PI4</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TRIGONOMETRY_H (freetype/fttrigon.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_ANGLE_PI4</b> ( <a href="ft2-computations.html#FT_ANGLE_PI">FT_ANGLE_PI</a> / 4 )
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>The angle pi/4 expressed in <a href="ft2-computations.html#FT_Angle">FT_Angle</a> units.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Sin">FT_Sin</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TRIGONOMETRY_H (freetype/fttrigon.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a> )
<b>FT_Sin</b>( <a href="ft2-computations.html#FT_Angle">FT_Angle</a> angle );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Return the sinus of a given angle in fixed-point format.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>angle</b></td><td>
<p>The input angle.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>The sinus value.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>If you need both the sinus and cosinus for a given angle, use the function <a href="ft2-computations.html#FT_Vector_Unit">FT_Vector_Unit</a>.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Cos">FT_Cos</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TRIGONOMETRY_H (freetype/fttrigon.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a> )
<b>FT_Cos</b>( <a href="ft2-computations.html#FT_Angle">FT_Angle</a> angle );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Return the cosinus of a given angle in fixed-point format.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>angle</b></td><td>
<p>The input angle.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>The cosinus value.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>If you need both the sinus and cosinus for a given angle, use the function <a href="ft2-computations.html#FT_Vector_Unit">FT_Vector_Unit</a>.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Tan">FT_Tan</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TRIGONOMETRY_H (freetype/fttrigon.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a> )
<b>FT_Tan</b>( <a href="ft2-computations.html#FT_Angle">FT_Angle</a> angle );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Return the tangent of a given angle in fixed-point format.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>angle</b></td><td>
<p>The input angle.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>The tangent value.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Atan2">FT_Atan2</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TRIGONOMETRY_H (freetype/fttrigon.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-computations.html#FT_Angle">FT_Angle</a> )
<b>FT_Atan2</b>( <a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a> x,
<a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a> y );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Return the arc-tangent corresponding to a given vector (x,y) in the 2d plane.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>x</b></td><td>
<p>The horizontal vector coordinate.</p>
</td></tr>
<tr valign=top><td><b>y</b></td><td>
<p>The vertical vector coordinate.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>The arc-tangent value (i.e. angle).</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Angle_Diff">FT_Angle_Diff</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TRIGONOMETRY_H (freetype/fttrigon.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-computations.html#FT_Angle">FT_Angle</a> )
<b>FT_Angle_Diff</b>( <a href="ft2-computations.html#FT_Angle">FT_Angle</a> angle1,
<a href="ft2-computations.html#FT_Angle">FT_Angle</a> angle2 );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Return the difference between two angles. The result is always constrained to the ]-PI..PI] interval.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>angle1</b></td><td>
<p>First angle.</p>
</td></tr>
<tr valign=top><td><b>angle2</b></td><td>
<p>Second angle.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>Constrained value of &lsquo;value2-value1&rsquo;.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Vector_Unit">FT_Vector_Unit</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TRIGONOMETRY_H (freetype/fttrigon.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <span class="keyword">void</span> )
<b>FT_Vector_Unit</b>( <a href="ft2-basic_types.html#FT_Vector">FT_Vector</a>* vec,
<a href="ft2-computations.html#FT_Angle">FT_Angle</a> angle );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Return the unit vector corresponding to a given angle. After the call, the value of &lsquo;vec.x&rsquo; will be &lsquo;sin(angle)&rsquo;, and the value of &lsquo;vec.y&rsquo; will be &lsquo;cos(angle)&rsquo;.</p>
<p>This function is useful to retrieve both the sinus and cosinus of a given angle quickly.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>vec</b></td><td>
<p>The address of target vector.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>angle</b></td><td>
<p>The address of angle.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Vector_Rotate">FT_Vector_Rotate</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TRIGONOMETRY_H (freetype/fttrigon.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <span class="keyword">void</span> )
<b>FT_Vector_Rotate</b>( <a href="ft2-basic_types.html#FT_Vector">FT_Vector</a>* vec,
<a href="ft2-computations.html#FT_Angle">FT_Angle</a> angle );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Rotate a vector by a given angle.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>inout</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>vec</b></td><td>
<p>The address of target vector.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>angle</b></td><td>
<p>The address of angle.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Vector_Length">FT_Vector_Length</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TRIGONOMETRY_H (freetype/fttrigon.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a> )
<b>FT_Vector_Length</b>( <a href="ft2-basic_types.html#FT_Vector">FT_Vector</a>* vec );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Return the length of a given vector.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>vec</b></td><td>
<p>The address of target vector.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>The vector length, expressed in the same units that the original vector coordinates.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Vector_Polarize">FT_Vector_Polarize</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TRIGONOMETRY_H (freetype/fttrigon.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <span class="keyword">void</span> )
<b>FT_Vector_Polarize</b>( <a href="ft2-basic_types.html#FT_Vector">FT_Vector</a>* vec,
<a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a> *length,
<a href="ft2-computations.html#FT_Angle">FT_Angle</a> *angle );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Compute both the length and angle of a given vector.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>vec</b></td><td>
<p>The address of source vector.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>length</b></td><td>
<p>The vector length.</p>
</td></tr>
<tr valign=top><td><b>angle</b></td><td>
<p>The vector angle.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
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<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Vector_From_Polar">FT_Vector_From_Polar</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TRIGONOMETRY_H (freetype/fttrigon.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <span class="keyword">void</span> )
<b>FT_Vector_From_Polar</b>( <a href="ft2-basic_types.html#FT_Vector">FT_Vector</a>* vec,
<a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a> length,
<a href="ft2-computations.html#FT_Angle">FT_Angle</a> angle );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Compute vector coordinates from a length and angle.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>vec</b></td><td>
<p>The address of source vector.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>length</b></td><td>
<p>The vector length.</p>
</td></tr>
<tr valign=top><td><b>angle</b></td><td>
<p>The vector angle.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
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<center><h1>FreeType-2.5.0 API Reference</h1></center>
<center><h1>
Font Formats
</h1></center>
<h2>Synopsis</h2>
<table align=center cellspacing=5 cellpadding=0 border=0>
<tr><td></td><td><a href="#FT_Get_X11_Font_Format">FT_Get_X11_Font_Format</a></td><td></td><td></td><td></td><td></td></tr>
</table><br><br>
<table align=center width="87%"><tr><td>
<p>The single function in this section can be used to get the font format. Note that this information is not needed normally; however, there are special cases (like in PDF devices) where it is important to differentiate, in spite of FreeType's uniform API.</p>
<p>This function is in the X11/xf86 namespace for historical reasons and in no way depends on that windowing system.</p>
</td></tr></table><br>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Get_X11_Font_Format">FT_Get_X11_Font_Format</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_XFREE86_H (freetype/ftxf86.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <span class="keyword">const</span> <span class="keyword">char</span>* )
<b>FT_Get_X11_Font_Format</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Return a string describing the format of a given face, using values which can be used as an X11 FONT_PROPERTY. Possible values are &lsquo;TrueType&rsquo;, &lsquo;Type&nbsp;1&rsquo;, &lsquo;BDF&rsquo;, &lsquo;PCF&rsquo;, &lsquo;Type&nbsp;42&rsquo;, &lsquo;CID&nbsp;Type&nbsp;1&rsquo;, &lsquo;CFF&rsquo;, &lsquo;PFR&rsquo;, and &lsquo;Windows&nbsp;FNT&rsquo;.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>Input face handle.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>Font format string. NULL in case of error.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
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<td><font size=-1>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<center><h1>FreeType-2.5.0 API Reference</h1></center>
<center><h1>
Gasp Table
</h1></center>
<h2>Synopsis</h2>
<table align=center cellspacing=5 cellpadding=0 border=0>
<tr><td></td><td><a href="#FT_GASP_XXX">FT_GASP_XXX</a></td><td></td><td><a href="#FT_Get_Gasp">FT_Get_Gasp</a></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr>
</table><br><br>
<table align=center width="87%"><tr><td>
<p>The function <a href="ft2-gasp_table.html#FT_Get_Gasp">FT_Get_Gasp</a> can be used to query a TrueType or OpenType font for specific entries in its &lsquo;gasp&rsquo; table, if any. This is mainly useful when implementing native TrueType hinting with the bytecode interpreter to duplicate the Windows text rendering results.</p>
</td></tr></table><br>
<table align=center width="75%"><tr><td>
<h4><a name="FT_GASP_XXX">FT_GASP_XXX</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_GASP_H (freetype/ftgasp.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <a href="ft2-gasp_table.html#FT_GASP_XXX">FT_GASP_NO_TABLE</a> -1
#define <a href="ft2-gasp_table.html#FT_GASP_XXX">FT_GASP_DO_GRIDFIT</a> 0x01
#define <a href="ft2-gasp_table.html#FT_GASP_XXX">FT_GASP_DO_GRAY</a> 0x02
#define <a href="ft2-gasp_table.html#FT_GASP_XXX">FT_GASP_SYMMETRIC_SMOOTHING</a> 0x08
#define <a href="ft2-gasp_table.html#FT_GASP_XXX">FT_GASP_SYMMETRIC_GRIDFIT</a> 0x10
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A list of values and/or bit-flags returned by the <a href="ft2-gasp_table.html#FT_Get_Gasp">FT_Get_Gasp</a> function.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>values</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>FT_GASP_NO_TABLE</b></td><td>
<p>This special value means that there is no GASP table in this face. It is up to the client to decide what to do.</p>
</td></tr>
<tr valign=top><td><b>FT_GASP_DO_GRIDFIT</b></td><td>
<p>Grid-fitting and hinting should be performed at the specified ppem. This <b>really</b> means TrueType bytecode interpretation. If this bit is not set, no hinting gets applied.</p>
</td></tr>
<tr valign=top><td><b>FT_GASP_DO_GRAY</b></td><td>
<p>Anti-aliased rendering should be performed at the specified ppem. If not set, do monochrome rendering.</p>
</td></tr>
<tr valign=top><td colspan=0><b>FT_GASP_SYMMETRIC_SMOOTHING</b></td></tr>
<tr valign=top><td></td><td>
<p>If set, smoothing along multiple axes must be used with ClearType.</p>
</td></tr>
<tr valign=top><td colspan=0><b>FT_GASP_SYMMETRIC_GRIDFIT</b></td></tr>
<tr valign=top><td></td><td>
<p>Grid-fitting must be used with ClearType's symmetric smoothing.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>The bit-flags &lsquo;FT_GASP_DO_GRIDFIT&rsquo; and &lsquo;FT_GASP_DO_GRAY&rsquo; are to be used for standard font rasterization only. Independently of that, &lsquo;FT_GASP_SYMMETRIC_SMOOTHING&rsquo; and &lsquo;FT_GASP_SYMMETRIC_GRIDFIT&rsquo; are to be used if ClearType is enabled (and &lsquo;FT_GASP_DO_GRIDFIT&rsquo; and &lsquo;FT_GASP_DO_GRAY&rsquo; are consequently ignored).</p>
<p>&lsquo;ClearType&rsquo; is Microsoft's implementation of LCD rendering, partly protected by patents.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>since</b></em></td></tr><tr><td>
<p>2.3.0</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Get_Gasp">FT_Get_Gasp</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_GASP_H (freetype/ftgasp.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Int">FT_Int</a> )
<b>FT_Get_Gasp</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> ppem );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Read the &lsquo;gasp&rsquo; table from a TrueType or OpenType font file and return the entry corresponding to a given character pixel size.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>The source face handle.</p>
</td></tr>
<tr valign=top><td><b>ppem</b></td><td>
<p>The vertical character pixel size.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>Bit flags (see <a href="ft2-gasp_table.html#FT_GASP_XXX">FT_GASP_XXX</a>), or <a href="ft2-gasp_table.html#FT_GASP_XXX">FT_GASP_NO_TABLE</a> if there is no &lsquo;gasp&rsquo; table in the face.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>since</b></em></td></tr><tr><td>
<p>2.3.0</p>
</td></tr></table>
</td></tr></table>
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<center><h1>FreeType-2.5.0 API Reference</h1></center>
<center><h1>
Glyph Management
</h1></center>
<h2>Synopsis</h2>
<table align=center cellspacing=5 cellpadding=0 border=0>
<tr><td></td><td><a href="#FT_Glyph">FT_Glyph</a></td><td></td><td><a href="#FT_OutlineGlyphRec">FT_OutlineGlyphRec</a></td><td></td><td><a href="#ft_glyph_bbox_xxx">ft_glyph_bbox_xxx</a></td></tr>
<tr><td></td><td><a href="#FT_GlyphRec">FT_GlyphRec</a></td><td></td><td><a href="#FT_Get_Glyph">FT_Get_Glyph</a></td><td></td><td><a href="#FT_Glyph_Get_CBox">FT_Glyph_Get_CBox</a></td></tr>
<tr><td></td><td><a href="#FT_BitmapGlyph">FT_BitmapGlyph</a></td><td></td><td><a href="#FT_Glyph_Copy">FT_Glyph_Copy</a></td><td></td><td><a href="#FT_Glyph_To_Bitmap">FT_Glyph_To_Bitmap</a></td></tr>
<tr><td></td><td><a href="#FT_BitmapGlyphRec">FT_BitmapGlyphRec</a></td><td></td><td><a href="#FT_Glyph_Transform">FT_Glyph_Transform</a></td><td></td><td><a href="#FT_Done_Glyph">FT_Done_Glyph</a></td></tr>
<tr><td></td><td><a href="#FT_OutlineGlyph">FT_OutlineGlyph</a></td><td></td><td><a href="#FT_Glyph_BBox_Mode">FT_Glyph_BBox_Mode</a></td><td></td><td></td></tr>
</table><br><br>
<table align=center width="87%"><tr><td>
<p>This section contains definitions used to manage glyph data through generic FT_Glyph objects. Each of them can contain a bitmap, a vector outline, or even images in other formats.</p>
</td></tr></table><br>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Glyph">FT_Glyph</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_GLYPH_H (freetype/ftglyph.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> FT_GlyphRec_* <b>FT_Glyph</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Handle to an object used to model generic glyph images. It is a pointer to the <a href="ft2-glyph_management.html#FT_GlyphRec">FT_GlyphRec</a> structure and can contain a glyph bitmap or pointer.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>Glyph objects are not owned by the library. You must thus release them manually (through <a href="ft2-glyph_management.html#FT_Done_Glyph">FT_Done_Glyph</a>) <i>before</i> calling <a href="ft2-base_interface.html#FT_Done_FreeType">FT_Done_FreeType</a>.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_GlyphRec">FT_GlyphRec</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_GLYPH_H (freetype/ftglyph.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> FT_GlyphRec_
{
<a href="ft2-base_interface.html#FT_Library">FT_Library</a> library;
<span class="keyword">const</span> FT_Glyph_Class* clazz;
<a href="ft2-basic_types.html#FT_Glyph_Format">FT_Glyph_Format</a> format;
<a href="ft2-basic_types.html#FT_Vector">FT_Vector</a> advance;
} <b>FT_GlyphRec</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>The root glyph structure contains a given glyph image plus its advance width in 16.16 fixed-point format.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>fields</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>library</b></td><td>
<p>A handle to the FreeType library object.</p>
</td></tr>
<tr valign=top><td><b>clazz</b></td><td>
<p>A pointer to the glyph's class. Private.</p>
</td></tr>
<tr valign=top><td><b>format</b></td><td>
<p>The format of the glyph's image.</p>
</td></tr>
<tr valign=top><td><b>advance</b></td><td>
<p>A 16.16 vector that gives the glyph's advance width.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_BitmapGlyph">FT_BitmapGlyph</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_GLYPH_H (freetype/ftglyph.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> FT_BitmapGlyphRec_* <b>FT_BitmapGlyph</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A handle to an object used to model a bitmap glyph image. This is a sub-class of <a href="ft2-glyph_management.html#FT_Glyph">FT_Glyph</a>, and a pointer to <a href="ft2-glyph_management.html#FT_BitmapGlyphRec">FT_BitmapGlyphRec</a>.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_BitmapGlyphRec">FT_BitmapGlyphRec</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_GLYPH_H (freetype/ftglyph.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> FT_BitmapGlyphRec_
{
<a href="ft2-glyph_management.html#FT_GlyphRec">FT_GlyphRec</a> root;
<a href="ft2-basic_types.html#FT_Int">FT_Int</a> left;
<a href="ft2-basic_types.html#FT_Int">FT_Int</a> top;
<a href="ft2-basic_types.html#FT_Bitmap">FT_Bitmap</a> bitmap;
} <b>FT_BitmapGlyphRec</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A structure used for bitmap glyph images. This really is a &lsquo;sub-class&rsquo; of <a href="ft2-glyph_management.html#FT_GlyphRec">FT_GlyphRec</a>.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>fields</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>root</b></td><td>
<p>The root <a href="ft2-glyph_management.html#FT_Glyph">FT_Glyph</a> fields.</p>
</td></tr>
<tr valign=top><td><b>left</b></td><td>
<p>The left-side bearing, i.e., the horizontal distance from the current pen position to the left border of the glyph bitmap.</p>
</td></tr>
<tr valign=top><td><b>top</b></td><td>
<p>The top-side bearing, i.e., the vertical distance from the current pen position to the top border of the glyph bitmap. This distance is positive for upwards&nbsp;y!</p>
</td></tr>
<tr valign=top><td><b>bitmap</b></td><td>
<p>A descriptor for the bitmap.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>You can typecast an <a href="ft2-glyph_management.html#FT_Glyph">FT_Glyph</a> to <a href="ft2-glyph_management.html#FT_BitmapGlyph">FT_BitmapGlyph</a> if you have &lsquo;glyph-&gt;format == FT_GLYPH_FORMAT_BITMAP&rsquo;. This lets you access the bitmap's contents easily.</p>
<p>The corresponding pixel buffer is always owned by <a href="ft2-glyph_management.html#FT_BitmapGlyph">FT_BitmapGlyph</a> and is thus created and destroyed with it.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_OutlineGlyph">FT_OutlineGlyph</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_GLYPH_H (freetype/ftglyph.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> FT_OutlineGlyphRec_* <b>FT_OutlineGlyph</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A handle to an object used to model an outline glyph image. This is a sub-class of <a href="ft2-glyph_management.html#FT_Glyph">FT_Glyph</a>, and a pointer to <a href="ft2-glyph_management.html#FT_OutlineGlyphRec">FT_OutlineGlyphRec</a>.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_OutlineGlyphRec">FT_OutlineGlyphRec</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_GLYPH_H (freetype/ftglyph.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> FT_OutlineGlyphRec_
{
<a href="ft2-glyph_management.html#FT_GlyphRec">FT_GlyphRec</a> root;
<a href="ft2-outline_processing.html#FT_Outline">FT_Outline</a> outline;
} <b>FT_OutlineGlyphRec</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A structure used for outline (vectorial) glyph images. This really is a &lsquo;sub-class&rsquo; of <a href="ft2-glyph_management.html#FT_GlyphRec">FT_GlyphRec</a>.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>fields</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>root</b></td><td>
<p>The root <a href="ft2-glyph_management.html#FT_Glyph">FT_Glyph</a> fields.</p>
</td></tr>
<tr valign=top><td><b>outline</b></td><td>
<p>A descriptor for the outline.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>You can typecast an <a href="ft2-glyph_management.html#FT_Glyph">FT_Glyph</a> to <a href="ft2-glyph_management.html#FT_OutlineGlyph">FT_OutlineGlyph</a> if you have &lsquo;glyph-&gt;format == FT_GLYPH_FORMAT_OUTLINE&rsquo;. This lets you access the outline's content easily.</p>
<p>As the outline is extracted from a glyph slot, its coordinates are expressed normally in 26.6 pixels, unless the flag <a href="ft2-base_interface.html#FT_LOAD_XXX">FT_LOAD_NO_SCALE</a> was used in <a href="ft2-base_interface.html#FT_Load_Glyph">FT_Load_Glyph</a>() or <a href="ft2-base_interface.html#FT_Load_Char">FT_Load_Char</a>().</p>
<p>The outline's tables are always owned by the object and are destroyed with it.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Get_Glyph">FT_Get_Glyph</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_GLYPH_H (freetype/ftglyph.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Get_Glyph</b>( <a href="ft2-base_interface.html#FT_GlyphSlot">FT_GlyphSlot</a> slot,
<a href="ft2-glyph_management.html#FT_Glyph">FT_Glyph</a> *aglyph );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A function used to extract a glyph image from a slot. Note that the created <a href="ft2-glyph_management.html#FT_Glyph">FT_Glyph</a> object must be released with <a href="ft2-glyph_management.html#FT_Done_Glyph">FT_Done_Glyph</a>.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>slot</b></td><td>
<p>A handle to the source glyph slot.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>aglyph</b></td><td>
<p>A handle to the glyph object.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Glyph_Copy">FT_Glyph_Copy</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_GLYPH_H (freetype/ftglyph.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Glyph_Copy</b>( <a href="ft2-glyph_management.html#FT_Glyph">FT_Glyph</a> source,
<a href="ft2-glyph_management.html#FT_Glyph">FT_Glyph</a> *target );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A function used to copy a glyph image. Note that the created <a href="ft2-glyph_management.html#FT_Glyph">FT_Glyph</a> object must be released with <a href="ft2-glyph_management.html#FT_Done_Glyph">FT_Done_Glyph</a>.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>source</b></td><td>
<p>A handle to the source glyph object.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>target</b></td><td>
<p>A handle to the target glyph object. 0&nbsp;in case of error.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Glyph_Transform">FT_Glyph_Transform</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_GLYPH_H (freetype/ftglyph.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Glyph_Transform</b>( <a href="ft2-glyph_management.html#FT_Glyph">FT_Glyph</a> glyph,
<a href="ft2-basic_types.html#FT_Matrix">FT_Matrix</a>* matrix,
<a href="ft2-basic_types.html#FT_Vector">FT_Vector</a>* delta );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Transform a glyph image if its format is scalable.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>inout</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>glyph</b></td><td>
<p>A handle to the target glyph object.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>matrix</b></td><td>
<p>A pointer to a 2x2 matrix to apply.</p>
</td></tr>
<tr valign=top><td><b>delta</b></td><td>
<p>A pointer to a 2d vector to apply. Coordinates are expressed in 1/64th of a pixel.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code (if not 0, the glyph format is not scalable).</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>The 2x2 transformation matrix is also applied to the glyph's advance vector.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Glyph_BBox_Mode">FT_Glyph_BBox_Mode</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_GLYPH_H (freetype/ftglyph.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">enum</span> FT_Glyph_BBox_Mode_
{
<a href="ft2-glyph_management.html#FT_Glyph_BBox_Mode">FT_GLYPH_BBOX_UNSCALED</a> = 0,
<a href="ft2-glyph_management.html#FT_Glyph_BBox_Mode">FT_GLYPH_BBOX_SUBPIXELS</a> = 0,
<a href="ft2-glyph_management.html#FT_Glyph_BBox_Mode">FT_GLYPH_BBOX_GRIDFIT</a> = 1,
<a href="ft2-glyph_management.html#FT_Glyph_BBox_Mode">FT_GLYPH_BBOX_TRUNCATE</a> = 2,
<a href="ft2-glyph_management.html#FT_Glyph_BBox_Mode">FT_GLYPH_BBOX_PIXELS</a> = 3
} <b>FT_Glyph_BBox_Mode</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>The mode how the values of <a href="ft2-glyph_management.html#FT_Glyph_Get_CBox">FT_Glyph_Get_CBox</a> are returned.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>values</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>FT_GLYPH_BBOX_UNSCALED</b></td><td>
<p>Return unscaled font units.</p>
</td></tr>
<tr valign=top><td colspan=0><b>FT_GLYPH_BBOX_SUBPIXELS</b></td></tr>
<tr valign=top><td></td><td>
<p>Return unfitted 26.6 coordinates.</p>
</td></tr>
<tr valign=top><td><b>FT_GLYPH_BBOX_GRIDFIT</b></td><td>
<p>Return grid-fitted 26.6 coordinates.</p>
</td></tr>
<tr valign=top><td><b>FT_GLYPH_BBOX_TRUNCATE</b></td><td>
<p>Return coordinates in integer pixels.</p>
</td></tr>
<tr valign=top><td><b>FT_GLYPH_BBOX_PIXELS</b></td><td>
<p>Return grid-fitted pixel coordinates.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="ft_glyph_bbox_xxx">ft_glyph_bbox_xxx</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_GLYPH_H (freetype/ftglyph.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <a href="ft2-glyph_management.html#ft_glyph_bbox_xxx">ft_glyph_bbox_unscaled</a> <a href="ft2-glyph_management.html#FT_Glyph_BBox_Mode">FT_GLYPH_BBOX_UNSCALED</a>
#define <a href="ft2-glyph_management.html#ft_glyph_bbox_xxx">ft_glyph_bbox_subpixels</a> <a href="ft2-glyph_management.html#FT_Glyph_BBox_Mode">FT_GLYPH_BBOX_SUBPIXELS</a>
#define <a href="ft2-glyph_management.html#ft_glyph_bbox_xxx">ft_glyph_bbox_gridfit</a> <a href="ft2-glyph_management.html#FT_Glyph_BBox_Mode">FT_GLYPH_BBOX_GRIDFIT</a>
#define <a href="ft2-glyph_management.html#ft_glyph_bbox_xxx">ft_glyph_bbox_truncate</a> <a href="ft2-glyph_management.html#FT_Glyph_BBox_Mode">FT_GLYPH_BBOX_TRUNCATE</a>
#define <a href="ft2-glyph_management.html#ft_glyph_bbox_xxx">ft_glyph_bbox_pixels</a> <a href="ft2-glyph_management.html#FT_Glyph_BBox_Mode">FT_GLYPH_BBOX_PIXELS</a>
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>These constants are deprecated. Use the corresponding <a href="ft2-glyph_management.html#FT_Glyph_BBox_Mode">FT_Glyph_BBox_Mode</a> values instead.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>values</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>ft_glyph_bbox_unscaled</b></td><td>
<p>See <a href="ft2-glyph_management.html#FT_Glyph_BBox_Mode">FT_GLYPH_BBOX_UNSCALED</a>.</p>
</td></tr>
<tr valign=top><td colspan=0><b>ft_glyph_bbox_subpixels</b></td></tr>
<tr valign=top><td></td><td>
<p>See <a href="ft2-glyph_management.html#FT_Glyph_BBox_Mode">FT_GLYPH_BBOX_SUBPIXELS</a>.</p>
</td></tr>
<tr valign=top><td><b>ft_glyph_bbox_gridfit</b></td><td>
<p>See <a href="ft2-glyph_management.html#FT_Glyph_BBox_Mode">FT_GLYPH_BBOX_GRIDFIT</a>.</p>
</td></tr>
<tr valign=top><td><b>ft_glyph_bbox_truncate</b></td><td>
<p>See <a href="ft2-glyph_management.html#FT_Glyph_BBox_Mode">FT_GLYPH_BBOX_TRUNCATE</a>.</p>
</td></tr>
<tr valign=top><td><b>ft_glyph_bbox_pixels</b></td><td>
<p>See <a href="ft2-glyph_management.html#FT_Glyph_BBox_Mode">FT_GLYPH_BBOX_PIXELS</a>.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Glyph_Get_CBox">FT_Glyph_Get_CBox</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_GLYPH_H (freetype/ftglyph.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <span class="keyword">void</span> )
<b>FT_Glyph_Get_CBox</b>( <a href="ft2-glyph_management.html#FT_Glyph">FT_Glyph</a> glyph,
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> bbox_mode,
<a href="ft2-basic_types.html#FT_BBox">FT_BBox</a> *acbox );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Return a glyph's &lsquo;control box&rsquo;. The control box encloses all the outline's points, including Bézier control points. Though it coincides with the exact bounding box for most glyphs, it can be slightly larger in some situations (like when rotating an outline which contains Bézier outside arcs).</p>
<p>Computing the control box is very fast, while getting the bounding box can take much more time as it needs to walk over all segments and arcs in the outline. To get the latter, you can use the &lsquo;ftbbox&rsquo; component which is dedicated to this single task.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>glyph</b></td><td>
<p>A handle to the source glyph object.</p>
</td></tr>
<tr valign=top><td><b>mode</b></td><td>
<p>The mode which indicates how to interpret the returned bounding box values.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>acbox</b></td><td>
<p>The glyph coordinate bounding box. Coordinates are expressed in 1/64th of pixels if it is grid-fitted.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>Coordinates are relative to the glyph origin, using the y&nbsp;upwards convention.</p>
<p>If the glyph has been loaded with <a href="ft2-base_interface.html#FT_LOAD_XXX">FT_LOAD_NO_SCALE</a>, &lsquo;bbox_mode&rsquo; must be set to <a href="ft2-glyph_management.html#FT_Glyph_BBox_Mode">FT_GLYPH_BBOX_UNSCALED</a> to get unscaled font units in 26.6 pixel format. The value <a href="ft2-glyph_management.html#FT_Glyph_BBox_Mode">FT_GLYPH_BBOX_SUBPIXELS</a> is another name for this constant.</p>
<p>If the font is tricky and the glyph has been loaded with <a href="ft2-base_interface.html#FT_LOAD_XXX">FT_LOAD_NO_SCALE</a>, the resulting CBox is meaningless. To get reasonable values for the CBox it is necessary to load the glyph at a large ppem value (so that the hinting instructions can properly shift and scale the subglyphs), then extracting the CBox which can be eventually converted back to font units.</p>
<p>Note that the maximum coordinates are exclusive, which means that one can compute the width and height of the glyph image (be it in integer or 26.6 pixels) as:</p>
<pre class="colored">
width = bbox.xMax - bbox.xMin;
height = bbox.yMax - bbox.yMin;
</pre>
<p>Note also that for 26.6 coordinates, if &lsquo;bbox_mode&rsquo; is set to <a href="ft2-glyph_management.html#FT_Glyph_BBox_Mode">FT_GLYPH_BBOX_GRIDFIT</a>, the coordinates will also be grid-fitted, which corresponds to:</p>
<pre class="colored">
bbox.xMin = FLOOR(bbox.xMin);
bbox.yMin = FLOOR(bbox.yMin);
bbox.xMax = CEILING(bbox.xMax);
bbox.yMax = CEILING(bbox.yMax);
</pre>
<p>To get the bbox in pixel coordinates, set &lsquo;bbox_mode&rsquo; to <a href="ft2-glyph_management.html#FT_Glyph_BBox_Mode">FT_GLYPH_BBOX_TRUNCATE</a>.</p>
<p>To get the bbox in grid-fitted pixel coordinates, set &lsquo;bbox_mode&rsquo; to <a href="ft2-glyph_management.html#FT_Glyph_BBox_Mode">FT_GLYPH_BBOX_PIXELS</a>.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Glyph_To_Bitmap">FT_Glyph_To_Bitmap</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_GLYPH_H (freetype/ftglyph.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Glyph_To_Bitmap</b>( <a href="ft2-glyph_management.html#FT_Glyph">FT_Glyph</a>* the_glyph,
<a href="ft2-base_interface.html#FT_Render_Mode">FT_Render_Mode</a> render_mode,
<a href="ft2-basic_types.html#FT_Vector">FT_Vector</a>* origin,
<a href="ft2-basic_types.html#FT_Bool">FT_Bool</a> destroy );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Convert a given glyph object to a bitmap glyph object.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>inout</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>the_glyph</b></td><td>
<p>A pointer to a handle to the target glyph.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>render_mode</b></td><td>
<p>An enumeration that describes how the data is rendered.</p>
</td></tr>
<tr valign=top><td><b>origin</b></td><td>
<p>A pointer to a vector used to translate the glyph image before rendering. Can be&nbsp;0 (if no translation). The origin is expressed in 26.6 pixels.</p>
</td></tr>
<tr valign=top><td><b>destroy</b></td><td>
<p>A boolean that indicates that the original glyph image should be destroyed by this function. It is never destroyed in case of error.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>This function does nothing if the glyph format isn't scalable.</p>
<p>The glyph image is translated with the &lsquo;origin&rsquo; vector before rendering.</p>
<p>The first parameter is a pointer to an <a href="ft2-glyph_management.html#FT_Glyph">FT_Glyph</a> handle, that will be <i>replaced</i> by this function (with newly allocated data). Typically, you would use (omitting error handling):</p>
<p></p>
<pre class="colored">
FT_Glyph glyph;
FT_BitmapGlyph glyph_bitmap;
// load glyph
error = FT_Load_Char( face, glyph_index, FT_LOAD_DEFAUT );
// extract glyph image
error = FT_Get_Glyph( face-&gt;glyph, &amp;glyph );
// convert to a bitmap (default render mode + destroying old)
if ( glyph-&gt;format != FT_GLYPH_FORMAT_BITMAP )
{
error = FT_Glyph_To_Bitmap( &amp;glyph, FT_RENDER_MODE_NORMAL,
0, 1 );
if ( error ) // `glyph' unchanged
...
}
// access bitmap content by typecasting
glyph_bitmap = (FT_BitmapGlyph)glyph;
// do funny stuff with it, like blitting/drawing
...
// discard glyph image (bitmap or not)
FT_Done_Glyph( glyph );
</pre>
<p></p>
<p>Here another example, again without error handling:</p>
<p></p>
<pre class="colored">
FT_Glyph glyphs[MAX_GLYPHS]
...
for ( idx = 0; i &lt; MAX_GLYPHS; i++ )
error = FT_Load_Glyph( face, idx, FT_LOAD_DEFAULT ) ||
FT_Get_Glyph ( face-&gt;glyph, &amp;glyph[idx] );
...
for ( idx = 0; i &lt; MAX_GLYPHS; i++ )
{
FT_Glyph bitmap = glyphs[idx];
...
// after this call, `bitmap' no longer points into
// the `glyphs' array (and the old value isn't destroyed)
FT_Glyph_To_Bitmap( &amp;bitmap, FT_RENDER_MODE_MONO, 0, 0 );
...
FT_Done_Glyph( bitmap );
}
...
for ( idx = 0; i &lt; MAX_GLYPHS; i++ )
FT_Done_Glyph( glyphs[idx] );
</pre>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Done_Glyph">FT_Done_Glyph</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_GLYPH_H (freetype/ftglyph.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <span class="keyword">void</span> )
<b>FT_Done_Glyph</b>( <a href="ft2-glyph_management.html#FT_Glyph">FT_Glyph</a> glyph );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Destroy a given glyph.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>glyph</b></td><td>
<p>A handle to the target glyph object.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
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<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
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<center><h1>FreeType-2.5.0 API Reference</h1></center>
<center><h1>
Glyph Stroker
</h1></center>
<h2>Synopsis</h2>
<table align=center cellspacing=5 cellpadding=0 border=0>
<tr><td></td><td><a href="#FT_Stroker">FT_Stroker</a></td><td></td><td><a href="#FT_Stroker_EndSubPath">FT_Stroker_EndSubPath</a></td></tr>
<tr><td></td><td><a href="#FT_Stroker_LineJoin">FT_Stroker_LineJoin</a></td><td></td><td><a href="#FT_Stroker_LineTo">FT_Stroker_LineTo</a></td></tr>
<tr><td></td><td><a href="#FT_Stroker_LineCap">FT_Stroker_LineCap</a></td><td></td><td><a href="#FT_Stroker_ConicTo">FT_Stroker_ConicTo</a></td></tr>
<tr><td></td><td><a href="#FT_StrokerBorder">FT_StrokerBorder</a></td><td></td><td><a href="#FT_Stroker_CubicTo">FT_Stroker_CubicTo</a></td></tr>
<tr><td></td><td><a href="#FT_Outline_GetInsideBorder">FT_Outline_GetInsideBorder</a></td><td></td><td><a href="#FT_Stroker_GetBorderCounts">FT_Stroker_GetBorderCounts</a></td></tr>
<tr><td></td><td><a href="#FT_Outline_GetOutsideBorder">FT_Outline_GetOutsideBorder</a></td><td></td><td><a href="#FT_Stroker_ExportBorder">FT_Stroker_ExportBorder</a></td></tr>
<tr><td></td><td><a href="#FT_Stroker_New">FT_Stroker_New</a></td><td></td><td><a href="#FT_Stroker_GetCounts">FT_Stroker_GetCounts</a></td></tr>
<tr><td></td><td><a href="#FT_Stroker_Set">FT_Stroker_Set</a></td><td></td><td><a href="#FT_Stroker_Export">FT_Stroker_Export</a></td></tr>
<tr><td></td><td><a href="#FT_Stroker_Rewind">FT_Stroker_Rewind</a></td><td></td><td><a href="#FT_Stroker_Done">FT_Stroker_Done</a></td></tr>
<tr><td></td><td><a href="#FT_Stroker_ParseOutline">FT_Stroker_ParseOutline</a></td><td></td><td><a href="#FT_Glyph_Stroke">FT_Glyph_Stroke</a></td></tr>
<tr><td></td><td><a href="#FT_Stroker_BeginSubPath">FT_Stroker_BeginSubPath</a></td><td></td><td><a href="#FT_Glyph_StrokeBorder">FT_Glyph_StrokeBorder</a></td></tr>
</table><br><br>
<table align=center width="87%"><tr><td>
<p>This component generates stroked outlines of a given vectorial glyph. It also allows you to retrieve the &lsquo;outside&rsquo; and/or the &lsquo;inside&rsquo; borders of the stroke.</p>
<p>This can be useful to generate &lsquo;bordered&rsquo; glyph, i.e., glyphs displayed with a coloured (and anti-aliased) border around their shape.</p>
</td></tr></table><br>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Stroker">FT_Stroker</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_STROKER_H (freetype/ftstroke.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> FT_StrokerRec_* <b>FT_Stroker</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Opaque handler to a path stroker object.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Stroker_LineJoin">FT_Stroker_LineJoin</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_STROKER_H (freetype/ftstroke.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">enum</span> FT_Stroker_LineJoin_
{
<a href="ft2-glyph_stroker.html#FT_Stroker_LineJoin">FT_STROKER_LINEJOIN_ROUND</a> = 0,
<a href="ft2-glyph_stroker.html#FT_Stroker_LineJoin">FT_STROKER_LINEJOIN_BEVEL</a> = 1,
<a href="ft2-glyph_stroker.html#FT_Stroker_LineJoin">FT_STROKER_LINEJOIN_MITER_VARIABLE</a> = 2,
<a href="ft2-glyph_stroker.html#FT_Stroker_LineJoin">FT_STROKER_LINEJOIN_MITER</a> = <a href="ft2-glyph_stroker.html#FT_Stroker_LineJoin">FT_STROKER_LINEJOIN_MITER_VARIABLE</a>,
<a href="ft2-glyph_stroker.html#FT_Stroker_LineJoin">FT_STROKER_LINEJOIN_MITER_FIXED</a> = 3
} <b>FT_Stroker_LineJoin</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>These values determine how two joining lines are rendered in a stroker.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>values</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td colspan=0><b>FT_STROKER_LINEJOIN_ROUND</b></td></tr>
<tr valign=top><td></td><td>
<p>Used to render rounded line joins. Circular arcs are used to join two lines smoothly.</p>
</td></tr>
<tr valign=top><td colspan=0><b>FT_STROKER_LINEJOIN_BEVEL</b></td></tr>
<tr valign=top><td></td><td>
<p>Used to render beveled line joins. The outer corner of the joined lines is filled by enclosing the triangular region of the corner with a straight line between the outer corners of each stroke.</p>
</td></tr>
<tr valign=top><td colspan=0><b>FT_STROKER_LINEJOIN_MITER_FIXED</b></td></tr>
<tr valign=top><td></td><td>
<p>Used to render mitered line joins, with fixed bevels if the miter limit is exceeded. The outer edges of the strokes for the two segments are extended until they meet at an angle. If the segments meet at too sharp an angle (such that the miter would extend from the intersection of the segments a distance greater than the product of the miter limit value and the border radius), then a bevel join (see above) is used instead. This prevents long spikes being created. FT_STROKER_LINEJOIN_MITER_FIXED generates a miter line join as used in PostScript and PDF.</p>
</td></tr>
<tr valign=top><td colspan=0><b>FT_STROKER_LINEJOIN_MITER_VARIABLE</b></td></tr>
<tr valign=top><td></td><td>
<p></p>
</td></tr>
<tr valign=top><td colspan=0><b>FT_STROKER_LINEJOIN_MITER</b></td></tr>
<tr valign=top><td></td><td>
<p>Used to render mitered line joins, with variable bevels if the miter limit is exceeded. The intersection of the strokes is clipped at a line perpendicular to the bisector of the angle between the strokes, at the distance from the intersection of the segments equal to the product of the miter limit value and the border radius. This prevents long spikes being created. FT_STROKER_LINEJOIN_MITER_VARIABLE generates a mitered line join as used in XPS. FT_STROKER_LINEJOIN_MITER is an alias for FT_STROKER_LINEJOIN_MITER_VARIABLE, retained for backwards compatibility.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Stroker_LineCap">FT_Stroker_LineCap</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_STROKER_H (freetype/ftstroke.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">enum</span> FT_Stroker_LineCap_
{
<a href="ft2-glyph_stroker.html#FT_Stroker_LineCap">FT_STROKER_LINECAP_BUTT</a> = 0,
<a href="ft2-glyph_stroker.html#FT_Stroker_LineCap">FT_STROKER_LINECAP_ROUND</a>,
<a href="ft2-glyph_stroker.html#FT_Stroker_LineCap">FT_STROKER_LINECAP_SQUARE</a>
} <b>FT_Stroker_LineCap</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>These values determine how the end of opened sub-paths are rendered in a stroke.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>values</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td colspan=0><b>FT_STROKER_LINECAP_BUTT</b></td></tr>
<tr valign=top><td></td><td>
<p>The end of lines is rendered as a full stop on the last point itself.</p>
</td></tr>
<tr valign=top><td colspan=0><b>FT_STROKER_LINECAP_ROUND</b></td></tr>
<tr valign=top><td></td><td>
<p>The end of lines is rendered as a half-circle around the last point.</p>
</td></tr>
<tr valign=top><td colspan=0><b>FT_STROKER_LINECAP_SQUARE</b></td></tr>
<tr valign=top><td></td><td>
<p>The end of lines is rendered as a square around the last point.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_StrokerBorder">FT_StrokerBorder</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_STROKER_H (freetype/ftstroke.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">enum</span> FT_StrokerBorder_
{
<a href="ft2-glyph_stroker.html#FT_StrokerBorder">FT_STROKER_BORDER_LEFT</a> = 0,
<a href="ft2-glyph_stroker.html#FT_StrokerBorder">FT_STROKER_BORDER_RIGHT</a>
} <b>FT_StrokerBorder</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>These values are used to select a given stroke border in <a href="ft2-glyph_stroker.html#FT_Stroker_GetBorderCounts">FT_Stroker_GetBorderCounts</a> and <a href="ft2-glyph_stroker.html#FT_Stroker_ExportBorder">FT_Stroker_ExportBorder</a>.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>values</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>FT_STROKER_BORDER_LEFT</b></td><td>
<p>Select the left border, relative to the drawing direction.</p>
</td></tr>
<tr valign=top><td colspan=0><b>FT_STROKER_BORDER_RIGHT</b></td></tr>
<tr valign=top><td></td><td>
<p>Select the right border, relative to the drawing direction.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>Applications are generally interested in the &lsquo;inside&rsquo; and &lsquo;outside&rsquo; borders. However, there is no direct mapping between these and the &lsquo;left&rsquo; and &lsquo;right&rsquo; ones, since this really depends on the glyph's drawing orientation, which varies between font formats.</p>
<p>You can however use <a href="ft2-glyph_stroker.html#FT_Outline_GetInsideBorder">FT_Outline_GetInsideBorder</a> and <a href="ft2-glyph_stroker.html#FT_Outline_GetOutsideBorder">FT_Outline_GetOutsideBorder</a> to get these.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Outline_GetInsideBorder">FT_Outline_GetInsideBorder</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_STROKER_H (freetype/ftstroke.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-glyph_stroker.html#FT_StrokerBorder">FT_StrokerBorder</a> )
<b>FT_Outline_GetInsideBorder</b>( <a href="ft2-outline_processing.html#FT_Outline">FT_Outline</a>* outline );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Retrieve the <a href="ft2-glyph_stroker.html#FT_StrokerBorder">FT_StrokerBorder</a> value corresponding to the &lsquo;inside&rsquo; borders of a given outline.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>outline</b></td><td>
<p>The source outline handle.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>The border index. <a href="ft2-glyph_stroker.html#FT_StrokerBorder">FT_STROKER_BORDER_RIGHT</a> for empty or invalid outlines.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Outline_GetOutsideBorder">FT_Outline_GetOutsideBorder</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_STROKER_H (freetype/ftstroke.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-glyph_stroker.html#FT_StrokerBorder">FT_StrokerBorder</a> )
<b>FT_Outline_GetOutsideBorder</b>( <a href="ft2-outline_processing.html#FT_Outline">FT_Outline</a>* outline );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Retrieve the <a href="ft2-glyph_stroker.html#FT_StrokerBorder">FT_StrokerBorder</a> value corresponding to the &lsquo;outside&rsquo; borders of a given outline.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>outline</b></td><td>
<p>The source outline handle.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>The border index. <a href="ft2-glyph_stroker.html#FT_StrokerBorder">FT_STROKER_BORDER_LEFT</a> for empty or invalid outlines.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Stroker_New">FT_Stroker_New</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_STROKER_H (freetype/ftstroke.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Stroker_New</b>( <a href="ft2-base_interface.html#FT_Library">FT_Library</a> library,
<a href="ft2-glyph_stroker.html#FT_Stroker">FT_Stroker</a> *astroker );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Create a new stroker object.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>library</b></td><td>
<p>FreeType library handle.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>astroker</b></td><td>
<p>A new stroker object handle. NULL in case of error.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Stroker_Set">FT_Stroker_Set</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_STROKER_H (freetype/ftstroke.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <span class="keyword">void</span> )
<b>FT_Stroker_Set</b>( <a href="ft2-glyph_stroker.html#FT_Stroker">FT_Stroker</a> stroker,
<a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a> radius,
<a href="ft2-glyph_stroker.html#FT_Stroker_LineCap">FT_Stroker_LineCap</a> line_cap,
<a href="ft2-glyph_stroker.html#FT_Stroker_LineJoin">FT_Stroker_LineJoin</a> line_join,
<a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a> miter_limit );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Reset a stroker object's attributes.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>stroker</b></td><td>
<p>The target stroker handle.</p>
</td></tr>
<tr valign=top><td><b>radius</b></td><td>
<p>The border radius.</p>
</td></tr>
<tr valign=top><td><b>line_cap</b></td><td>
<p>The line cap style.</p>
</td></tr>
<tr valign=top><td><b>line_join</b></td><td>
<p>The line join style.</p>
</td></tr>
<tr valign=top><td><b>miter_limit</b></td><td>
<p>The miter limit for the FT_STROKER_LINEJOIN_MITER_FIXED and FT_STROKER_LINEJOIN_MITER_VARIABLE line join styles, expressed as 16.16 fixed-point value.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>The radius is expressed in the same units as the outline coordinates.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Stroker_Rewind">FT_Stroker_Rewind</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_STROKER_H (freetype/ftstroke.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <span class="keyword">void</span> )
<b>FT_Stroker_Rewind</b>( <a href="ft2-glyph_stroker.html#FT_Stroker">FT_Stroker</a> stroker );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Reset a stroker object without changing its attributes. You should call this function before beginning a new series of calls to <a href="ft2-glyph_stroker.html#FT_Stroker_BeginSubPath">FT_Stroker_BeginSubPath</a> or <a href="ft2-glyph_stroker.html#FT_Stroker_EndSubPath">FT_Stroker_EndSubPath</a>.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>stroker</b></td><td>
<p>The target stroker handle.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Stroker_ParseOutline">FT_Stroker_ParseOutline</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_STROKER_H (freetype/ftstroke.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Stroker_ParseOutline</b>( <a href="ft2-glyph_stroker.html#FT_Stroker">FT_Stroker</a> stroker,
<a href="ft2-outline_processing.html#FT_Outline">FT_Outline</a>* outline,
<a href="ft2-basic_types.html#FT_Bool">FT_Bool</a> opened );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A convenience function used to parse a whole outline with the stroker. The resulting outline(s) can be retrieved later by functions like <a href="ft2-glyph_stroker.html#FT_Stroker_GetCounts">FT_Stroker_GetCounts</a> and <a href="ft2-glyph_stroker.html#FT_Stroker_Export">FT_Stroker_Export</a>.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>stroker</b></td><td>
<p>The target stroker handle.</p>
</td></tr>
<tr valign=top><td><b>outline</b></td><td>
<p>The source outline.</p>
</td></tr>
<tr valign=top><td><b>opened</b></td><td>
<p>A boolean. If&nbsp;1, the outline is treated as an open path instead of a closed one.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>If &lsquo;opened&rsquo; is&nbsp;0 (the default), the outline is treated as a closed path, and the stroker generates two distinct &lsquo;border&rsquo; outlines.</p>
<p>If &lsquo;opened&rsquo; is&nbsp;1, the outline is processed as an open path, and the stroker generates a single &lsquo;stroke&rsquo; outline.</p>
<p>This function calls <a href="ft2-glyph_stroker.html#FT_Stroker_Rewind">FT_Stroker_Rewind</a> automatically.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Stroker_BeginSubPath">FT_Stroker_BeginSubPath</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_STROKER_H (freetype/ftstroke.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Stroker_BeginSubPath</b>( <a href="ft2-glyph_stroker.html#FT_Stroker">FT_Stroker</a> stroker,
<a href="ft2-basic_types.html#FT_Vector">FT_Vector</a>* to,
<a href="ft2-basic_types.html#FT_Bool">FT_Bool</a> open );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Start a new sub-path in the stroker.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>stroker</b></td><td>
<p>The target stroker handle.</p>
</td></tr>
<tr valign=top><td><b>to</b></td><td>
<p>A pointer to the start vector.</p>
</td></tr>
<tr valign=top><td><b>open</b></td><td>
<p>A boolean. If&nbsp;1, the sub-path is treated as an open one.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>This function is useful when you need to stroke a path that is not stored as an <a href="ft2-outline_processing.html#FT_Outline">FT_Outline</a> object.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Stroker_EndSubPath">FT_Stroker_EndSubPath</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_STROKER_H (freetype/ftstroke.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Stroker_EndSubPath</b>( <a href="ft2-glyph_stroker.html#FT_Stroker">FT_Stroker</a> stroker );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Close the current sub-path in the stroker.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>stroker</b></td><td>
<p>The target stroker handle.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>You should call this function after <a href="ft2-glyph_stroker.html#FT_Stroker_BeginSubPath">FT_Stroker_BeginSubPath</a>. If the subpath was not &lsquo;opened&rsquo;, this function &lsquo;draws&rsquo; a single line segment to the start position when needed.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Stroker_LineTo">FT_Stroker_LineTo</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_STROKER_H (freetype/ftstroke.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Stroker_LineTo</b>( <a href="ft2-glyph_stroker.html#FT_Stroker">FT_Stroker</a> stroker,
<a href="ft2-basic_types.html#FT_Vector">FT_Vector</a>* to );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>&lsquo;Draw&rsquo; a single line segment in the stroker's current sub-path, from the last position.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>stroker</b></td><td>
<p>The target stroker handle.</p>
</td></tr>
<tr valign=top><td><b>to</b></td><td>
<p>A pointer to the destination point.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>You should call this function between <a href="ft2-glyph_stroker.html#FT_Stroker_BeginSubPath">FT_Stroker_BeginSubPath</a> and <a href="ft2-glyph_stroker.html#FT_Stroker_EndSubPath">FT_Stroker_EndSubPath</a>.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Stroker_ConicTo">FT_Stroker_ConicTo</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_STROKER_H (freetype/ftstroke.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Stroker_ConicTo</b>( <a href="ft2-glyph_stroker.html#FT_Stroker">FT_Stroker</a> stroker,
<a href="ft2-basic_types.html#FT_Vector">FT_Vector</a>* control,
<a href="ft2-basic_types.html#FT_Vector">FT_Vector</a>* to );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>&lsquo;Draw&rsquo; a single quadratic Bézier in the stroker's current sub-path, from the last position.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>stroker</b></td><td>
<p>The target stroker handle.</p>
</td></tr>
<tr valign=top><td><b>control</b></td><td>
<p>A pointer to a Bézier control point.</p>
</td></tr>
<tr valign=top><td><b>to</b></td><td>
<p>A pointer to the destination point.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>You should call this function between <a href="ft2-glyph_stroker.html#FT_Stroker_BeginSubPath">FT_Stroker_BeginSubPath</a> and <a href="ft2-glyph_stroker.html#FT_Stroker_EndSubPath">FT_Stroker_EndSubPath</a>.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Stroker_CubicTo">FT_Stroker_CubicTo</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_STROKER_H (freetype/ftstroke.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Stroker_CubicTo</b>( <a href="ft2-glyph_stroker.html#FT_Stroker">FT_Stroker</a> stroker,
<a href="ft2-basic_types.html#FT_Vector">FT_Vector</a>* control1,
<a href="ft2-basic_types.html#FT_Vector">FT_Vector</a>* control2,
<a href="ft2-basic_types.html#FT_Vector">FT_Vector</a>* to );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>&lsquo;Draw&rsquo; a single cubic Bézier in the stroker's current sub-path, from the last position.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>stroker</b></td><td>
<p>The target stroker handle.</p>
</td></tr>
<tr valign=top><td><b>control1</b></td><td>
<p>A pointer to the first Bézier control point.</p>
</td></tr>
<tr valign=top><td><b>control2</b></td><td>
<p>A pointer to second Bézier control point.</p>
</td></tr>
<tr valign=top><td><b>to</b></td><td>
<p>A pointer to the destination point.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>You should call this function between <a href="ft2-glyph_stroker.html#FT_Stroker_BeginSubPath">FT_Stroker_BeginSubPath</a> and <a href="ft2-glyph_stroker.html#FT_Stroker_EndSubPath">FT_Stroker_EndSubPath</a>.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Stroker_GetBorderCounts">FT_Stroker_GetBorderCounts</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_STROKER_H (freetype/ftstroke.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Stroker_GetBorderCounts</b>( <a href="ft2-glyph_stroker.html#FT_Stroker">FT_Stroker</a> stroker,
<a href="ft2-glyph_stroker.html#FT_StrokerBorder">FT_StrokerBorder</a> border,
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> *anum_points,
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> *anum_contours );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Call this function once you have finished parsing your paths with the stroker. It returns the number of points and contours necessary to export one of the &lsquo;border&rsquo; or &lsquo;stroke&rsquo; outlines generated by the stroker.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>stroker</b></td><td>
<p>The target stroker handle.</p>
</td></tr>
<tr valign=top><td><b>border</b></td><td>
<p>The border index.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>anum_points</b></td><td>
<p>The number of points.</p>
</td></tr>
<tr valign=top><td><b>anum_contours</b></td><td>
<p>The number of contours.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>When an outline, or a sub-path, is &lsquo;closed&rsquo;, the stroker generates two independent &lsquo;border&rsquo; outlines, named &lsquo;left&rsquo; and &lsquo;right&rsquo;.</p>
<p>When the outline, or a sub-path, is &lsquo;opened&rsquo;, the stroker merges the &lsquo;border&rsquo; outlines with caps. The &lsquo;left&rsquo; border receives all points, while the &lsquo;right&rsquo; border becomes empty.</p>
<p>Use the function <a href="ft2-glyph_stroker.html#FT_Stroker_GetCounts">FT_Stroker_GetCounts</a> instead if you want to retrieve the counts associated to both borders.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Stroker_ExportBorder">FT_Stroker_ExportBorder</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_STROKER_H (freetype/ftstroke.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <span class="keyword">void</span> )
<b>FT_Stroker_ExportBorder</b>( <a href="ft2-glyph_stroker.html#FT_Stroker">FT_Stroker</a> stroker,
<a href="ft2-glyph_stroker.html#FT_StrokerBorder">FT_StrokerBorder</a> border,
<a href="ft2-outline_processing.html#FT_Outline">FT_Outline</a>* outline );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Call this function after <a href="ft2-glyph_stroker.html#FT_Stroker_GetBorderCounts">FT_Stroker_GetBorderCounts</a> to export the corresponding border to your own <a href="ft2-outline_processing.html#FT_Outline">FT_Outline</a> structure.</p>
<p>Note that this function appends the border points and contours to your outline, but does not try to resize its arrays.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>stroker</b></td><td>
<p>The target stroker handle.</p>
</td></tr>
<tr valign=top><td><b>border</b></td><td>
<p>The border index.</p>
</td></tr>
<tr valign=top><td><b>outline</b></td><td>
<p>The target outline handle.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>Always call this function after <a href="ft2-glyph_stroker.html#FT_Stroker_GetBorderCounts">FT_Stroker_GetBorderCounts</a> to get sure that there is enough room in your <a href="ft2-outline_processing.html#FT_Outline">FT_Outline</a> object to receive all new data.</p>
<p>When an outline, or a sub-path, is &lsquo;closed&rsquo;, the stroker generates two independent &lsquo;border&rsquo; outlines, named &lsquo;left&rsquo; and &lsquo;right&rsquo;</p>
<p>When the outline, or a sub-path, is &lsquo;opened&rsquo;, the stroker merges the &lsquo;border&rsquo; outlines with caps. The &lsquo;left&rsquo; border receives all points, while the &lsquo;right&rsquo; border becomes empty.</p>
<p>Use the function <a href="ft2-glyph_stroker.html#FT_Stroker_Export">FT_Stroker_Export</a> instead if you want to retrieve all borders at once.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Stroker_GetCounts">FT_Stroker_GetCounts</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_STROKER_H (freetype/ftstroke.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Stroker_GetCounts</b>( <a href="ft2-glyph_stroker.html#FT_Stroker">FT_Stroker</a> stroker,
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> *anum_points,
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> *anum_contours );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Call this function once you have finished parsing your paths with the stroker. It returns the number of points and contours necessary to export all points/borders from the stroked outline/path.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>stroker</b></td><td>
<p>The target stroker handle.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>anum_points</b></td><td>
<p>The number of points.</p>
</td></tr>
<tr valign=top><td><b>anum_contours</b></td><td>
<p>The number of contours.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Stroker_Export">FT_Stroker_Export</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_STROKER_H (freetype/ftstroke.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <span class="keyword">void</span> )
<b>FT_Stroker_Export</b>( <a href="ft2-glyph_stroker.html#FT_Stroker">FT_Stroker</a> stroker,
<a href="ft2-outline_processing.html#FT_Outline">FT_Outline</a>* outline );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Call this function after <a href="ft2-glyph_stroker.html#FT_Stroker_GetBorderCounts">FT_Stroker_GetBorderCounts</a> to export all borders to your own <a href="ft2-outline_processing.html#FT_Outline">FT_Outline</a> structure.</p>
<p>Note that this function appends the border points and contours to your outline, but does not try to resize its arrays.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>stroker</b></td><td>
<p>The target stroker handle.</p>
</td></tr>
<tr valign=top><td><b>outline</b></td><td>
<p>The target outline handle.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Stroker_Done">FT_Stroker_Done</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_STROKER_H (freetype/ftstroke.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <span class="keyword">void</span> )
<b>FT_Stroker_Done</b>( <a href="ft2-glyph_stroker.html#FT_Stroker">FT_Stroker</a> stroker );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Destroy a stroker object.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>stroker</b></td><td>
<p>A stroker handle. Can be NULL.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Glyph_Stroke">FT_Glyph_Stroke</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_STROKER_H (freetype/ftstroke.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Glyph_Stroke</b>( <a href="ft2-glyph_management.html#FT_Glyph">FT_Glyph</a> *pglyph,
<a href="ft2-glyph_stroker.html#FT_Stroker">FT_Stroker</a> stroker,
<a href="ft2-basic_types.html#FT_Bool">FT_Bool</a> destroy );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Stroke a given outline glyph object with a given stroker.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>inout</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>pglyph</b></td><td>
<p>Source glyph handle on input, new glyph handle on output.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>stroker</b></td><td>
<p>A stroker handle.</p>
</td></tr>
<tr valign=top><td><b>destroy</b></td><td>
<p>A Boolean. If&nbsp;1, the source glyph object is destroyed on success.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>The source glyph is untouched in case of error.</p>
<p>Adding stroke may yield a significantly wider and taller glyph depending on how large of a radius was used to stroke the glyph. You may need to manually adjust horizontal and vertical advance amounts to account for this added size.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Glyph_StrokeBorder">FT_Glyph_StrokeBorder</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_STROKER_H (freetype/ftstroke.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Glyph_StrokeBorder</b>( <a href="ft2-glyph_management.html#FT_Glyph">FT_Glyph</a> *pglyph,
<a href="ft2-glyph_stroker.html#FT_Stroker">FT_Stroker</a> stroker,
<a href="ft2-basic_types.html#FT_Bool">FT_Bool</a> inside,
<a href="ft2-basic_types.html#FT_Bool">FT_Bool</a> destroy );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Stroke a given outline glyph object with a given stroker, but only return either its inside or outside border.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>inout</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>pglyph</b></td><td>
<p>Source glyph handle on input, new glyph handle on output.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>stroker</b></td><td>
<p>A stroker handle.</p>
</td></tr>
<tr valign=top><td><b>inside</b></td><td>
<p>A Boolean. If&nbsp;1, return the inside border, otherwise the outside border.</p>
</td></tr>
<tr valign=top><td><b>destroy</b></td><td>
<p>A Boolean. If&nbsp;1, the source glyph object is destroyed on success.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>The source glyph is untouched in case of error.</p>
<p>Adding stroke may yield a significantly wider and taller glyph depending on how large of a radius was used to stroke the glyph. You may need to manually adjust horizontal and vertical advance amounts to account for this added size.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
</body>
</html>
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<center><h1>FreeType-2.5.0 API Reference</h1></center>
<center><h1>
Glyph Variants
</h1></center>
<h2>Synopsis</h2>
<table align=center cellspacing=5 cellpadding=0 border=0>
<tr><td></td><td><a href="#FT_Face_GetCharVariantIndex">FT_Face_GetCharVariantIndex</a></td><td></td><td><a href="#FT_Face_GetVariantsOfChar">FT_Face_GetVariantsOfChar</a></td></tr>
<tr><td></td><td><a href="#FT_Face_GetCharVariantIsDefault">FT_Face_GetCharVariantIsDefault</a></td><td></td><td><a href="#FT_Face_GetCharsOfVariant">FT_Face_GetCharsOfVariant</a></td></tr>
<tr><td></td><td><a href="#FT_Face_GetVariantSelectors">FT_Face_GetVariantSelectors</a></td><td></td><td></td></tr>
</table><br><br>
<table align=center width="87%"><tr><td>
<p>Many CJK characters have variant forms. They are a sort of grey area somewhere between being totally irrelevant and semantically distinct; for this reason, the Unicode consortium decided to introduce Ideographic Variation Sequences (IVS), consisting of a Unicode base character and one of 240 variant selectors (U+E0100-U+E01EF), instead of further extending the already huge code range for CJK characters.</p>
<p>An IVS is registered and unique; for further details please refer to Unicode Technical Standard #37, the Ideographic Variation Database:</p>
<p>http://www.unicode.org/reports/tr37/</p>
<p>To date (November 2012), the character with the most variants is U+9089, having 31 such IVS.</p>
<p>Adobe and MS decided to support IVS with a new cmap subtable (format&nbsp;14). It is an odd subtable because it is not a mapping of input code points to glyphs, but contains lists of all variants supported by the font.</p>
<p>A variant may be either &lsquo;default&rsquo; or &lsquo;non-default&rsquo;. A default variant is the one you will get for that code point if you look it up in the standard Unicode cmap. A non-default variant is a different glyph.</p>
</td></tr></table><br>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Face_GetCharVariantIndex">FT_Face_GetCharVariantIndex</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_FREETYPE_H (freetype/freetype.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> )
<b>FT_Face_GetCharVariantIndex</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
<a href="ft2-basic_types.html#FT_ULong">FT_ULong</a> charcode,
<a href="ft2-basic_types.html#FT_ULong">FT_ULong</a> variantSelector );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Return the glyph index of a given character code as modified by the variation selector.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>A handle to the source face object.</p>
</td></tr>
<tr valign=top><td><b>charcode</b></td><td>
<p>The character code point in Unicode.</p>
</td></tr>
<tr valign=top><td><b>variantSelector</b></td><td>
<p>The Unicode code point of the variation selector.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>The glyph index. 0&nbsp;means either &lsquo;undefined character code&rsquo;, or &lsquo;undefined selector code&rsquo;, or &lsquo;no variation selector cmap subtable&rsquo;, or &lsquo;current CharMap is not Unicode&rsquo;.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>If you use FreeType to manipulate the contents of font files directly, be aware that the glyph index returned by this function doesn't always correspond to the internal indices used within the file. This is done to ensure that value&nbsp;0 always corresponds to the &lsquo;missing glyph&rsquo;.</p>
<p>This function is only meaningful if a) the font has a variation selector cmap sub table, and b) the current charmap has a Unicode encoding.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>since</b></em></td></tr><tr><td>
<p>2.3.6</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Face_GetCharVariantIsDefault">FT_Face_GetCharVariantIsDefault</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_FREETYPE_H (freetype/freetype.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Int">FT_Int</a> )
<b>FT_Face_GetCharVariantIsDefault</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
<a href="ft2-basic_types.html#FT_ULong">FT_ULong</a> charcode,
<a href="ft2-basic_types.html#FT_ULong">FT_ULong</a> variantSelector );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Check whether this variant of this Unicode character is the one to be found in the &lsquo;cmap&rsquo;.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>A handle to the source face object.</p>
</td></tr>
<tr valign=top><td><b>charcode</b></td><td>
<p>The character codepoint in Unicode.</p>
</td></tr>
<tr valign=top><td><b>variantSelector</b></td><td>
<p>The Unicode codepoint of the variation selector.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>1&nbsp;if found in the standard (Unicode) cmap, 0&nbsp;if found in the variation selector cmap, or -1 if it is not a variant.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>This function is only meaningful if the font has a variation selector cmap subtable.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>since</b></em></td></tr><tr><td>
<p>2.3.6</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Face_GetVariantSelectors">FT_Face_GetVariantSelectors</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_FREETYPE_H (freetype/freetype.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_UInt32">FT_UInt32</a>* )
<b>FT_Face_GetVariantSelectors</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Return a zero-terminated list of Unicode variant selectors found in the font.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>A handle to the source face object.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>A pointer to an array of selector code points, or NULL if there is no valid variant selector cmap subtable.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>The last item in the array is&nbsp;0; the array is owned by the <a href="ft2-base_interface.html#FT_Face">FT_Face</a> object but can be overwritten or released on the next call to a FreeType function.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>since</b></em></td></tr><tr><td>
<p>2.3.6</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Face_GetVariantsOfChar">FT_Face_GetVariantsOfChar</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_FREETYPE_H (freetype/freetype.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_UInt32">FT_UInt32</a>* )
<b>FT_Face_GetVariantsOfChar</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
<a href="ft2-basic_types.html#FT_ULong">FT_ULong</a> charcode );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Return a zero-terminated list of Unicode variant selectors found for the specified character code.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>A handle to the source face object.</p>
</td></tr>
<tr valign=top><td><b>charcode</b></td><td>
<p>The character codepoint in Unicode.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>A pointer to an array of variant selector code points which are active for the given character, or NULL if the corresponding list is empty.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>The last item in the array is&nbsp;0; the array is owned by the <a href="ft2-base_interface.html#FT_Face">FT_Face</a> object but can be overwritten or released on the next call to a FreeType function.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>since</b></em></td></tr><tr><td>
<p>2.3.6</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Face_GetCharsOfVariant">FT_Face_GetCharsOfVariant</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_FREETYPE_H (freetype/freetype.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_UInt32">FT_UInt32</a>* )
<b>FT_Face_GetCharsOfVariant</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
<a href="ft2-basic_types.html#FT_ULong">FT_ULong</a> variantSelector );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Return a zero-terminated list of Unicode character codes found for the specified variant selector.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>A handle to the source face object.</p>
</td></tr>
<tr valign=top><td><b>variantSelector</b></td><td>
<p>The variant selector code point in Unicode.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>A list of all the code points which are specified by this selector (both default and non-default codes are returned) or NULL if there is no valid cmap or the variant selector is invalid.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>The last item in the array is&nbsp;0; the array is owned by the <a href="ft2-base_interface.html#FT_Face">FT_Face</a> object but can be overwritten or released on the next call to a FreeType function.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>since</b></em></td></tr><tr><td>
<p>2.3.6</p>
</td></tr></table>
</td></tr></table>
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<center><h1>FreeType-2.5.0 API Reference</h1></center>
<center><h1>
TrueTypeGX/AAT Validation
</h1></center>
<h2>Synopsis</h2>
<table align=center cellspacing=5 cellpadding=0 border=0>
<tr><td></td><td><a href="#FT_VALIDATE_GX_LENGTH">FT_VALIDATE_GX_LENGTH</a></td><td></td><td><a href="#FT_TrueTypeGX_Free">FT_TrueTypeGX_Free</a></td><td></td><td><a href="#FT_ClassicKern_Free">FT_ClassicKern_Free</a></td></tr>
<tr><td></td><td><a href="#FT_VALIDATE_GXXXX">FT_VALIDATE_GXXXX</a></td><td></td><td><a href="#FT_VALIDATE_CKERNXXX">FT_VALIDATE_CKERNXXX</a></td><td></td><td></td></tr>
<tr><td></td><td><a href="#FT_TrueTypeGX_Validate">FT_TrueTypeGX_Validate</a></td><td></td><td><a href="#FT_ClassicKern_Validate">FT_ClassicKern_Validate</a></td><td></td><td></td></tr>
</table><br><br>
<table align=center width="87%"><tr><td>
<p>This section contains the declaration of functions to validate some TrueTypeGX tables (feat, mort, morx, bsln, just, kern, opbd, trak, prop, lcar).</p>
</td></tr></table><br>
<table align=center width="75%"><tr><td>
<h4><a name="FT_VALIDATE_GX_LENGTH">FT_VALIDATE_GX_LENGTH</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_GX_VALIDATE_H (freetype/ftgxval.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_VALIDATE_GX_LENGTH</b> (FT_VALIDATE_GX_LAST_INDEX + 1)
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>The number of tables checked in this module. Use it as a parameter for the &lsquo;table-length&rsquo; argument of function <a href="ft2-gx_validation.html#FT_TrueTypeGX_Validate">FT_TrueTypeGX_Validate</a>.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_VALIDATE_GXXXX">FT_VALIDATE_GXXXX</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_GX_VALIDATE_H (freetype/ftgxval.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_feat</a> FT_VALIDATE_GX_BITFIELD( feat )
#define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_mort</a> FT_VALIDATE_GX_BITFIELD( mort )
#define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_morx</a> FT_VALIDATE_GX_BITFIELD( morx )
#define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_bsln</a> FT_VALIDATE_GX_BITFIELD( bsln )
#define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_just</a> FT_VALIDATE_GX_BITFIELD( just )
#define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_kern</a> FT_VALIDATE_GX_BITFIELD( kern )
#define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_opbd</a> FT_VALIDATE_GX_BITFIELD( opbd )
#define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_trak</a> FT_VALIDATE_GX_BITFIELD( trak )
#define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_prop</a> FT_VALIDATE_GX_BITFIELD( prop )
#define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_lcar</a> FT_VALIDATE_GX_BITFIELD( lcar )
#define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_GX</a> ( <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_feat</a> | \
<a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_mort</a> | \
<a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_morx</a> | \
<a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_bsln</a> | \
<a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_just</a> | \
<a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_kern</a> | \
<a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_opbd</a> | \
<a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_trak</a> | \
<a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_prop</a> | \
<a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_lcar</a> )
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A list of bit-field constants used with <a href="ft2-gx_validation.html#FT_TrueTypeGX_Validate">FT_TrueTypeGX_Validate</a> to indicate which TrueTypeGX/AAT Type tables should be validated.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>values</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>FT_VALIDATE_feat</b></td><td>
<p>Validate &lsquo;feat&rsquo; table.</p>
</td></tr>
<tr valign=top><td><b>FT_VALIDATE_mort</b></td><td>
<p>Validate &lsquo;mort&rsquo; table.</p>
</td></tr>
<tr valign=top><td><b>FT_VALIDATE_morx</b></td><td>
<p>Validate &lsquo;morx&rsquo; table.</p>
</td></tr>
<tr valign=top><td><b>FT_VALIDATE_bsln</b></td><td>
<p>Validate &lsquo;bsln&rsquo; table.</p>
</td></tr>
<tr valign=top><td><b>FT_VALIDATE_just</b></td><td>
<p>Validate &lsquo;just&rsquo; table.</p>
</td></tr>
<tr valign=top><td><b>FT_VALIDATE_kern</b></td><td>
<p>Validate &lsquo;kern&rsquo; table.</p>
</td></tr>
<tr valign=top><td><b>FT_VALIDATE_opbd</b></td><td>
<p>Validate &lsquo;opbd&rsquo; table.</p>
</td></tr>
<tr valign=top><td><b>FT_VALIDATE_trak</b></td><td>
<p>Validate &lsquo;trak&rsquo; table.</p>
</td></tr>
<tr valign=top><td><b>FT_VALIDATE_prop</b></td><td>
<p>Validate &lsquo;prop&rsquo; table.</p>
</td></tr>
<tr valign=top><td><b>FT_VALIDATE_lcar</b></td><td>
<p>Validate &lsquo;lcar&rsquo; table.</p>
</td></tr>
<tr valign=top><td><b>FT_VALIDATE_GX</b></td><td>
<p>Validate all TrueTypeGX tables (feat, mort, morx, bsln, just, kern, opbd, trak, prop and lcar).</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_TrueTypeGX_Validate">FT_TrueTypeGX_Validate</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_GX_VALIDATE_H (freetype/ftgxval.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_TrueTypeGX_Validate</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> validation_flags,
<a href="ft2-basic_types.html#FT_Bytes">FT_Bytes</a> tables[<a href="ft2-gx_validation.html#FT_VALIDATE_GX_LENGTH">FT_VALIDATE_GX_LENGTH</a>],
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> table_length );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Validate various TrueTypeGX tables to assure that all offsets and indices are valid. The idea is that a higher-level library which actually does the text layout can access those tables without error checking (which can be quite time consuming).</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>A handle to the input face.</p>
</td></tr>
<tr valign=top><td><b>validation_flags</b></td><td>
<p>A bit field which specifies the tables to be validated. See <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_GXXXX</a> for possible values.</p>
</td></tr>
<tr valign=top><td><b>table_length</b></td><td>
<p>The size of the &lsquo;tables&rsquo; array. Normally, <a href="ft2-gx_validation.html#FT_VALIDATE_GX_LENGTH">FT_VALIDATE_GX_LENGTH</a> should be passed.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>tables</b></td><td>
<p>The array where all validated sfnt tables are stored. The array itself must be allocated by a client.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>This function only works with TrueTypeGX fonts, returning an error otherwise.</p>
<p>After use, the application should deallocate the buffers pointed to by each &lsquo;tables&rsquo; element, by calling <a href="ft2-gx_validation.html#FT_TrueTypeGX_Free">FT_TrueTypeGX_Free</a>. A NULL value indicates that the table either doesn't exist in the font, the application hasn't asked for validation, or the validator doesn't have the ability to validate the sfnt table.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_TrueTypeGX_Free">FT_TrueTypeGX_Free</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_GX_VALIDATE_H (freetype/ftgxval.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <span class="keyword">void</span> )
<b>FT_TrueTypeGX_Free</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
<a href="ft2-basic_types.html#FT_Bytes">FT_Bytes</a> table );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Free the buffer allocated by TrueTypeGX validator.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>A handle to the input face.</p>
</td></tr>
<tr valign=top><td><b>table</b></td><td>
<p>The pointer to the buffer allocated by <a href="ft2-gx_validation.html#FT_TrueTypeGX_Validate">FT_TrueTypeGX_Validate</a>.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>This function must be used to free the buffer allocated by <a href="ft2-gx_validation.html#FT_TrueTypeGX_Validate">FT_TrueTypeGX_Validate</a> only.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_VALIDATE_CKERNXXX">FT_VALIDATE_CKERNXXX</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_GX_VALIDATE_H (freetype/ftgxval.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <a href="ft2-gx_validation.html#FT_VALIDATE_CKERNXXX">FT_VALIDATE_MS</a> ( FT_VALIDATE_GX_START &lt;&lt; 0 )
#define <a href="ft2-gx_validation.html#FT_VALIDATE_CKERNXXX">FT_VALIDATE_APPLE</a> ( FT_VALIDATE_GX_START &lt;&lt; 1 )
#define <a href="ft2-gx_validation.html#FT_VALIDATE_CKERNXXX">FT_VALIDATE_CKERN</a> ( <a href="ft2-gx_validation.html#FT_VALIDATE_CKERNXXX">FT_VALIDATE_MS</a> | <a href="ft2-gx_validation.html#FT_VALIDATE_CKERNXXX">FT_VALIDATE_APPLE</a> )
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A list of bit-field constants used with <a href="ft2-gx_validation.html#FT_ClassicKern_Validate">FT_ClassicKern_Validate</a> to indicate the classic kern dialect or dialects. If the selected type doesn't fit, <a href="ft2-gx_validation.html#FT_ClassicKern_Validate">FT_ClassicKern_Validate</a> regards the table as invalid.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>values</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>FT_VALIDATE_MS</b></td><td>
<p>Handle the &lsquo;kern&rsquo; table as a classic Microsoft kern table.</p>
</td></tr>
<tr valign=top><td><b>FT_VALIDATE_APPLE</b></td><td>
<p>Handle the &lsquo;kern&rsquo; table as a classic Apple kern table.</p>
</td></tr>
<tr valign=top><td><b>FT_VALIDATE_CKERN</b></td><td>
<p>Handle the &lsquo;kern&rsquo; as either classic Apple or Microsoft kern table.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_ClassicKern_Validate">FT_ClassicKern_Validate</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_GX_VALIDATE_H (freetype/ftgxval.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_ClassicKern_Validate</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> validation_flags,
<a href="ft2-basic_types.html#FT_Bytes">FT_Bytes</a> *ckern_table );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Validate classic (16-bit format) kern table to assure that the offsets and indices are valid. The idea is that a higher-level library which actually does the text layout can access those tables without error checking (which can be quite time consuming).</p>
<p>The &lsquo;kern&rsquo; table validator in <a href="ft2-gx_validation.html#FT_TrueTypeGX_Validate">FT_TrueTypeGX_Validate</a> deals with both the new 32-bit format and the classic 16-bit format, while FT_ClassicKern_Validate only supports the classic 16-bit format.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>A handle to the input face.</p>
</td></tr>
<tr valign=top><td><b>validation_flags</b></td><td>
<p>A bit field which specifies the dialect to be validated. See <a href="ft2-gx_validation.html#FT_VALIDATE_CKERNXXX">FT_VALIDATE_CKERNXXX</a> for possible values.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>ckern_table</b></td><td>
<p>A pointer to the kern table.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>After use, the application should deallocate the buffers pointed to by &lsquo;ckern_table&rsquo;, by calling <a href="ft2-gx_validation.html#FT_ClassicKern_Free">FT_ClassicKern_Free</a>. A NULL value indicates that the table doesn't exist in the font.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_ClassicKern_Free">FT_ClassicKern_Free</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_GX_VALIDATE_H (freetype/ftgxval.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <span class="keyword">void</span> )
<b>FT_ClassicKern_Free</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
<a href="ft2-basic_types.html#FT_Bytes">FT_Bytes</a> table );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Free the buffer allocated by classic Kern validator.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>A handle to the input face.</p>
</td></tr>
<tr valign=top><td><b>table</b></td><td>
<p>The pointer to the buffer that is allocated by <a href="ft2-gx_validation.html#FT_ClassicKern_Validate">FT_ClassicKern_Validate</a>.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>This function must be used to free the buffer allocated by <a href="ft2-gx_validation.html#FT_ClassicKern_Validate">FT_ClassicKern_Validate</a> only.</p>
</td></tr></table>
</td></tr></table>
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<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
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<td><font size=-1>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<center><h1>FreeType-2.5.0 API Reference</h1></center>
<center><h1>
GZIP Streams
</h1></center>
<h2>Synopsis</h2>
<table align=center cellspacing=5 cellpadding=0 border=0>
<tr><td></td><td><a href="#FT_Stream_OpenGzip">FT_Stream_OpenGzip</a></td><td></td><td></td><td></td><td></td></tr>
</table><br><br>
<table align=center width="87%"><tr><td>
<p>This section contains the declaration of Gzip-specific functions.</p>
</td></tr></table><br>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Stream_OpenGzip">FT_Stream_OpenGzip</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_GZIP_H (freetype/ftgzip.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Stream_OpenGzip</b>( <a href="ft2-system_interface.html#FT_Stream">FT_Stream</a> stream,
<a href="ft2-system_interface.html#FT_Stream">FT_Stream</a> source );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Open a new stream to parse gzip-compressed font files. This is mainly used to support the compressed &lsquo;*.pcf.gz&rsquo; fonts that come with XFree86.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>stream</b></td><td>
<p>The target embedding stream.</p>
</td></tr>
<tr valign=top><td><b>source</b></td><td>
<p>The source stream.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>The source stream must be opened <i>before</i> calling this function.</p>
<p>Calling the internal function &lsquo;FT_Stream_Close&rsquo; on the new stream will <b>not</b> call &lsquo;FT_Stream_Close&rsquo; on the source stream. None of the stream objects will be released to the heap.</p>
<p>The stream implementation is very basic and resets the decompression process each time seeking backwards is needed within the stream.</p>
<p>In certain builds of the library, gzip compression recognition is automatically handled when calling <a href="ft2-base_interface.html#FT_New_Face">FT_New_Face</a> or <a href="ft2-base_interface.html#FT_Open_Face">FT_Open_Face</a>. This means that if no font driver is capable of handling the raw compressed file, the library will try to open a gzipped stream from it and re-open the face with it.</p>
<p>This function may return &lsquo;FT_Err_Unimplemented_Feature&rsquo; if your build of FreeType was not compiled with zlib support.</p>
</td></tr></table>
</td></tr></table>
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<center><h1>FreeType-2.5.0 API Reference</h1></center>
<center><h1>
Header File Macros
</h1></center>
<h2>Synopsis</h2>
<table align=center cellspacing=5 cellpadding=0 border=0>
<tr><td></td><td><a href="#FT_CONFIG_CONFIG_H">FT_CONFIG_CONFIG_H</a></td><td></td><td><a href="#FT_LZW_H">FT_LZW_H</a></td></tr>
<tr><td></td><td><a href="#FT_CONFIG_STANDARD_LIBRARY_H">FT_CONFIG_STANDARD_LIBRARY_H</a></td><td></td><td><a href="#FT_BZIP2_H">FT_BZIP2_H</a></td></tr>
<tr><td></td><td><a href="#FT_CONFIG_OPTIONS_H">FT_CONFIG_OPTIONS_H</a></td><td></td><td><a href="#FT_WINFONTS_H">FT_WINFONTS_H</a></td></tr>
<tr><td></td><td><a href="#FT_CONFIG_MODULES_H">FT_CONFIG_MODULES_H</a></td><td></td><td><a href="#FT_GLYPH_H">FT_GLYPH_H</a></td></tr>
<tr><td></td><td><a href="#FT_FREETYPE_H">FT_FREETYPE_H</a></td><td></td><td><a href="#FT_BITMAP_H">FT_BITMAP_H</a></td></tr>
<tr><td></td><td><a href="#FT_ERRORS_H">FT_ERRORS_H</a></td><td></td><td><a href="#FT_BBOX_H">FT_BBOX_H</a></td></tr>
<tr><td></td><td><a href="#FT_MODULE_ERRORS_H">FT_MODULE_ERRORS_H</a></td><td></td><td><a href="#FT_CACHE_H">FT_CACHE_H</a></td></tr>
<tr><td></td><td><a href="#FT_SYSTEM_H">FT_SYSTEM_H</a></td><td></td><td><a href="#FT_CACHE_IMAGE_H">FT_CACHE_IMAGE_H</a></td></tr>
<tr><td></td><td><a href="#FT_IMAGE_H">FT_IMAGE_H</a></td><td></td><td><a href="#FT_CACHE_SMALL_BITMAPS_H">FT_CACHE_SMALL_BITMAPS_H</a></td></tr>
<tr><td></td><td><a href="#FT_TYPES_H">FT_TYPES_H</a></td><td></td><td><a href="#FT_CACHE_CHARMAP_H">FT_CACHE_CHARMAP_H</a></td></tr>
<tr><td></td><td><a href="#FT_LIST_H">FT_LIST_H</a></td><td></td><td><a href="#FT_MAC_H">FT_MAC_H</a></td></tr>
<tr><td></td><td><a href="#FT_OUTLINE_H">FT_OUTLINE_H</a></td><td></td><td><a href="#FT_MULTIPLE_MASTERS_H">FT_MULTIPLE_MASTERS_H</a></td></tr>
<tr><td></td><td><a href="#FT_SIZES_H">FT_SIZES_H</a></td><td></td><td><a href="#FT_SFNT_NAMES_H">FT_SFNT_NAMES_H</a></td></tr>
<tr><td></td><td><a href="#FT_MODULE_H">FT_MODULE_H</a></td><td></td><td><a href="#FT_OPENTYPE_VALIDATE_H">FT_OPENTYPE_VALIDATE_H</a></td></tr>
<tr><td></td><td><a href="#FT_RENDER_H">FT_RENDER_H</a></td><td></td><td><a href="#FT_GX_VALIDATE_H">FT_GX_VALIDATE_H</a></td></tr>
<tr><td></td><td><a href="#FT_AUTOHINTER_H">FT_AUTOHINTER_H</a></td><td></td><td><a href="#FT_PFR_H">FT_PFR_H</a></td></tr>
<tr><td></td><td><a href="#FT_CFF_DRIVER_H">FT_CFF_DRIVER_H</a></td><td></td><td><a href="#FT_STROKER_H">FT_STROKER_H</a></td></tr>
<tr><td></td><td><a href="#FT_TRUETYPE_DRIVER_H">FT_TRUETYPE_DRIVER_H</a></td><td></td><td><a href="#FT_SYNTHESIS_H">FT_SYNTHESIS_H</a></td></tr>
<tr><td></td><td><a href="#FT_TYPE1_TABLES_H">FT_TYPE1_TABLES_H</a></td><td></td><td><a href="#FT_XFREE86_H">FT_XFREE86_H</a></td></tr>
<tr><td></td><td><a href="#FT_TRUETYPE_IDS_H">FT_TRUETYPE_IDS_H</a></td><td></td><td><a href="#FT_TRIGONOMETRY_H">FT_TRIGONOMETRY_H</a></td></tr>
<tr><td></td><td><a href="#FT_TRUETYPE_TABLES_H">FT_TRUETYPE_TABLES_H</a></td><td></td><td><a href="#FT_LCD_FILTER_H">FT_LCD_FILTER_H</a></td></tr>
<tr><td></td><td><a href="#FT_TRUETYPE_TAGS_H">FT_TRUETYPE_TAGS_H</a></td><td></td><td><a href="#FT_UNPATENTED_HINTING_H">FT_UNPATENTED_HINTING_H</a></td></tr>
<tr><td></td><td><a href="#FT_BDF_H">FT_BDF_H</a></td><td></td><td><a href="#FT_INCREMENTAL_H">FT_INCREMENTAL_H</a></td></tr>
<tr><td></td><td><a href="#FT_CID_H">FT_CID_H</a></td><td></td><td><a href="#FT_GASP_H">FT_GASP_H</a></td></tr>
<tr><td></td><td><a href="#FT_GZIP_H">FT_GZIP_H</a></td><td></td><td><a href="#FT_ADVANCES_H">FT_ADVANCES_H</a></td></tr>
</table><br><br>
<table align=center width="87%"><tr><td>
<p>The following macros are defined to the name of specific FreeType&nbsp;2 header files. They can be used directly in #include statements as in:</p>
<pre class="colored">
#include FT_FREETYPE_H
#include FT_MULTIPLE_MASTERS_H
#include FT_GLYPH_H
</pre>
<p>There are several reasons why we are now using macros to name public header files. The first one is that such macros are not limited to the infamous 8.3&nbsp;naming rule required by DOS (and &lsquo;FT_MULTIPLE_MASTERS_H&rsquo; is a lot more meaningful than &lsquo;ftmm.h&rsquo;).</p>
<p>The second reason is that it allows for more flexibility in the way FreeType&nbsp;2 is installed on a given system.</p>
</td></tr></table><br>
<table align=center width="75%"><tr><td>
<h4><a name="FT_CONFIG_CONFIG_H">FT_CONFIG_CONFIG_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#ifndef <b>FT_CONFIG_CONFIG_H</b>
#define <b>FT_CONFIG_CONFIG_H</b> &lt;freetype/config/ftconfig.h&gt;
#endif
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing FreeType&nbsp;2 configuration data.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_CONFIG_STANDARD_LIBRARY_H">FT_CONFIG_STANDARD_LIBRARY_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#ifndef <b>FT_CONFIG_STANDARD_LIBRARY_H</b>
#define <b>FT_CONFIG_STANDARD_LIBRARY_H</b> &lt;freetype/config/ftstdlib.h&gt;
#endif
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing FreeType&nbsp;2 interface to the standard C library functions.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_CONFIG_OPTIONS_H">FT_CONFIG_OPTIONS_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#ifndef <b>FT_CONFIG_OPTIONS_H</b>
#define <b>FT_CONFIG_OPTIONS_H</b> &lt;freetype/config/ftoption.h&gt;
#endif
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing FreeType&nbsp;2 project-specific configuration options.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_CONFIG_MODULES_H">FT_CONFIG_MODULES_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#ifndef <b>FT_CONFIG_MODULES_H</b>
#define <b>FT_CONFIG_MODULES_H</b> &lt;freetype/config/ftmodule.h&gt;
#endif
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the list of FreeType&nbsp;2 modules that are statically linked to new library instances in <a href="ft2-base_interface.html#FT_Init_FreeType">FT_Init_FreeType</a>.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_FREETYPE_H">FT_FREETYPE_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_FREETYPE_H</b> &lt;freetype/freetype.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the base FreeType&nbsp;2 API.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_ERRORS_H">FT_ERRORS_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_ERRORS_H</b> &lt;freetype/fterrors.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the list of FreeType&nbsp;2 error codes (and messages).</p>
<p>It is included by <a href="ft2-header_file_macros.html#FT_FREETYPE_H">FT_FREETYPE_H</a>.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_MODULE_ERRORS_H">FT_MODULE_ERRORS_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_MODULE_ERRORS_H</b> &lt;freetype/ftmoderr.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the list of FreeType&nbsp;2 module error offsets (and messages).</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_SYSTEM_H">FT_SYSTEM_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_SYSTEM_H</b> &lt;freetype/ftsystem.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the FreeType&nbsp;2 interface to low-level operations (i.e., memory management and stream i/o).</p>
<p>It is included by <a href="ft2-header_file_macros.html#FT_FREETYPE_H">FT_FREETYPE_H</a>.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_IMAGE_H">FT_IMAGE_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_IMAGE_H</b> &lt;freetype/ftimage.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing type definitions related to glyph images (i.e., bitmaps, outlines, scan-converter parameters).</p>
<p>It is included by <a href="ft2-header_file_macros.html#FT_FREETYPE_H">FT_FREETYPE_H</a>.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_TYPES_H">FT_TYPES_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_TYPES_H</b> &lt;freetype/fttypes.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the basic data types defined by FreeType&nbsp;2.</p>
<p>It is included by <a href="ft2-header_file_macros.html#FT_FREETYPE_H">FT_FREETYPE_H</a>.</p>
</td></tr></table><br>
</td></tr></table>
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<table align=center width="75%"><tr><td>
<h4><a name="FT_LIST_H">FT_LIST_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_LIST_H</b> &lt;freetype/ftlist.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the list management API of FreeType&nbsp;2.</p>
<p>(Most applications will never need to include this file.)</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
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<table align=center width="75%"><tr><td>
<h4><a name="FT_OUTLINE_H">FT_OUTLINE_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_OUTLINE_H</b> &lt;freetype/ftoutln.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the scalable outline management API of FreeType&nbsp;2.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
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<table align=center width="75%"><tr><td>
<h4><a name="FT_SIZES_H">FT_SIZES_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_SIZES_H</b> &lt;freetype/ftsizes.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the API which manages multiple <a href="ft2-base_interface.html#FT_Size">FT_Size</a> objects per face.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
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<table align=center width="75%"><tr><td>
<h4><a name="FT_MODULE_H">FT_MODULE_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_MODULE_H</b> &lt;freetype/ftmodapi.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the module management API of FreeType&nbsp;2.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_RENDER_H">FT_RENDER_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_RENDER_H</b> &lt;freetype/ftrender.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the renderer module management API of FreeType&nbsp;2.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
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<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_AUTOHINTER_H">FT_AUTOHINTER_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_AUTOHINTER_H</b> &lt;freetype/ftautoh.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing structures and macros related to the auto-hinting module.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
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<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_CFF_DRIVER_H">FT_CFF_DRIVER_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_CFF_DRIVER_H</b> &lt;freetype/ftcffdrv.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing structures and macros related to the CFF driver module.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
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<table align=center width="75%"><tr><td>
<h4><a name="FT_TRUETYPE_DRIVER_H">FT_TRUETYPE_DRIVER_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_TRUETYPE_DRIVER_H</b> &lt;freetype/ftttdrv.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing structures and macros related to the TrueType driver module.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_TYPE1_TABLES_H">FT_TYPE1_TABLES_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_TYPE1_TABLES_H</b> &lt;freetype/t1tables.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the types and API specific to the Type&nbsp;1 format.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
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<table align=center width="75%"><tr><td>
<h4><a name="FT_TRUETYPE_IDS_H">FT_TRUETYPE_IDS_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_TRUETYPE_IDS_H</b> &lt;freetype/ttnameid.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the enumeration values which identify name strings, languages, encodings, etc. This file really contains a <i>large</i> set of constant macro definitions, taken from the TrueType and OpenType specifications.</p>
</td></tr></table><br>
</td></tr></table>
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<table align=center width="75%"><tr><td>
<h4><a name="FT_TRUETYPE_TABLES_H">FT_TRUETYPE_TABLES_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_TRUETYPE_TABLES_H</b> &lt;freetype/tttables.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the types and API specific to the TrueType (as well as OpenType) format.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
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<table align=center width="75%"><tr><td>
<h4><a name="FT_TRUETYPE_TAGS_H">FT_TRUETYPE_TAGS_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_TRUETYPE_TAGS_H</b> &lt;freetype/tttags.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the definitions of TrueType four-byte &lsquo;tags&rsquo; which identify blocks in SFNT-based font formats (i.e., TrueType and OpenType).</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
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<table align=center width="75%"><tr><td>
<h4><a name="FT_BDF_H">FT_BDF_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_BDF_H</b> &lt;freetype/ftbdf.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the definitions of an API which accesses BDF-specific strings from a face.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
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<table align=center width="75%"><tr><td>
<h4><a name="FT_CID_H">FT_CID_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_CID_H</b> &lt;freetype/ftcid.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the definitions of an API which access CID font information from a face.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_GZIP_H">FT_GZIP_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_GZIP_H</b> &lt;freetype/ftgzip.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the definitions of an API which supports gzip-compressed files.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
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<table align=center width="75%"><tr><td>
<h4><a name="FT_LZW_H">FT_LZW_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_LZW_H</b> &lt;freetype/ftlzw.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the definitions of an API which supports LZW-compressed files.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_BZIP2_H">FT_BZIP2_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_BZIP2_H</b> &lt;freetype/ftbzip2.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the definitions of an API which supports bzip2-compressed files.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_WINFONTS_H">FT_WINFONTS_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_WINFONTS_H</b> &lt;freetype/ftwinfnt.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the definitions of an API which supports Windows FNT files.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
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<table align=center width="75%"><tr><td>
<h4><a name="FT_GLYPH_H">FT_GLYPH_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_GLYPH_H</b> &lt;freetype/ftglyph.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the API of the optional glyph management component.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_BITMAP_H">FT_BITMAP_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_BITMAP_H</b> &lt;freetype/ftbitmap.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the API of the optional bitmap conversion component.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
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<table align=center width="75%"><tr><td>
<h4><a name="FT_BBOX_H">FT_BBOX_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_BBOX_H</b> &lt;freetype/ftbbox.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the API of the optional exact bounding box computation routines.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
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<table align=center width="75%"><tr><td>
<h4><a name="FT_CACHE_H">FT_CACHE_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_CACHE_H</b> &lt;freetype/ftcache.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the API of the optional FreeType&nbsp;2 cache sub-system.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_CACHE_IMAGE_H">FT_CACHE_IMAGE_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_CACHE_IMAGE_H</b> <a href="ft2-header_file_macros.html#FT_CACHE_H">FT_CACHE_H</a>
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the &lsquo;glyph image&rsquo; API of the FreeType&nbsp;2 cache sub-system.</p>
<p>It is used to define a cache for <a href="ft2-glyph_management.html#FT_Glyph">FT_Glyph</a> elements. You can also use the API defined in <a href="ft2-header_file_macros.html#FT_CACHE_SMALL_BITMAPS_H">FT_CACHE_SMALL_BITMAPS_H</a> if you only need to store small glyph bitmaps, as it will use less memory.</p>
<p>This macro is deprecated. Simply include <a href="ft2-header_file_macros.html#FT_CACHE_H">FT_CACHE_H</a> to have all glyph image-related cache declarations.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
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<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_CACHE_SMALL_BITMAPS_H">FT_CACHE_SMALL_BITMAPS_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_CACHE_SMALL_BITMAPS_H</b> <a href="ft2-header_file_macros.html#FT_CACHE_H">FT_CACHE_H</a>
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the &lsquo;small bitmaps&rsquo; API of the FreeType&nbsp;2 cache sub-system.</p>
<p>It is used to define a cache for small glyph bitmaps in a relatively memory-efficient way. You can also use the API defined in <a href="ft2-header_file_macros.html#FT_CACHE_IMAGE_H">FT_CACHE_IMAGE_H</a> if you want to cache arbitrary glyph images, including scalable outlines.</p>
<p>This macro is deprecated. Simply include <a href="ft2-header_file_macros.html#FT_CACHE_H">FT_CACHE_H</a> to have all small bitmaps-related cache declarations.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
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<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_CACHE_CHARMAP_H">FT_CACHE_CHARMAP_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_CACHE_CHARMAP_H</b> <a href="ft2-header_file_macros.html#FT_CACHE_H">FT_CACHE_H</a>
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the &lsquo;charmap&rsquo; API of the FreeType&nbsp;2 cache sub-system.</p>
<p>This macro is deprecated. Simply include <a href="ft2-header_file_macros.html#FT_CACHE_H">FT_CACHE_H</a> to have all charmap-based cache declarations.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_MAC_H">FT_MAC_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_MAC_H</b> &lt;freetype/ftmac.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the Macintosh-specific FreeType&nbsp;2 API. The latter is used to access fonts embedded in resource forks.</p>
<p>This header file must be explicitly included by client applications compiled on the Mac (note that the base API still works though).</p>
</td></tr></table><br>
</td></tr></table>
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<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
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<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_MULTIPLE_MASTERS_H">FT_MULTIPLE_MASTERS_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_MULTIPLE_MASTERS_H</b> &lt;freetype/ftmm.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the optional multiple-masters management API of FreeType&nbsp;2.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_SFNT_NAMES_H">FT_SFNT_NAMES_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_SFNT_NAMES_H</b> &lt;freetype/ftsnames.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the optional FreeType&nbsp;2 API which accesses embedded &lsquo;name&rsquo; strings in SFNT-based font formats (i.e., TrueType and OpenType).</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_OPENTYPE_VALIDATE_H">FT_OPENTYPE_VALIDATE_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_OPENTYPE_VALIDATE_H</b> &lt;freetype/ftotval.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the optional FreeType&nbsp;2 API which validates OpenType tables (BASE, GDEF, GPOS, GSUB, JSTF).</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
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<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_GX_VALIDATE_H">FT_GX_VALIDATE_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_GX_VALIDATE_H</b> &lt;freetype/ftgxval.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the optional FreeType&nbsp;2 API which validates TrueTypeGX/AAT tables (feat, mort, morx, bsln, just, kern, opbd, trak, prop).</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
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<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_PFR_H">FT_PFR_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_PFR_H</b> &lt;freetype/ftpfr.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the FreeType&nbsp;2 API which accesses PFR-specific data.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_STROKER_H">FT_STROKER_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_STROKER_H</b> &lt;freetype/ftstroke.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the FreeType&nbsp;2 API which provides functions to stroke outline paths.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_SYNTHESIS_H">FT_SYNTHESIS_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_SYNTHESIS_H</b> &lt;freetype/ftsynth.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the FreeType&nbsp;2 API which performs artificial obliquing and emboldening.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_XFREE86_H">FT_XFREE86_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_XFREE86_H</b> &lt;freetype/ftxf86.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the FreeType&nbsp;2 API which provides functions specific to the XFree86 and X.Org X11 servers.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_TRIGONOMETRY_H">FT_TRIGONOMETRY_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_TRIGONOMETRY_H</b> &lt;freetype/fttrigon.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the FreeType&nbsp;2 API which performs trigonometric computations (e.g., cosines and arc tangents).</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_LCD_FILTER_H">FT_LCD_FILTER_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_LCD_FILTER_H</b> &lt;freetype/ftlcdfil.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the FreeType&nbsp;2 API which performs color filtering for subpixel rendering.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_UNPATENTED_HINTING_H">FT_UNPATENTED_HINTING_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_UNPATENTED_HINTING_H</b> &lt;freetype/ttunpat.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the FreeType&nbsp;2 API which performs color filtering for subpixel rendering.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_INCREMENTAL_H">FT_INCREMENTAL_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_INCREMENTAL_H</b> &lt;freetype/ftincrem.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the FreeType&nbsp;2 API which performs color filtering for subpixel rendering.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_GASP_H">FT_GASP_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_GASP_H</b> &lt;freetype/ftgasp.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the FreeType&nbsp;2 API which returns entries from the TrueType GASP table.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
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<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_ADVANCES_H">FT_ADVANCES_H</a></h4>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_ADVANCES_H</b> &lt;freetype/ftadvanc.h&gt;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A macro used in #include statements to name the file containing the FreeType&nbsp;2 API which returns individual and ranged glyph advances.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
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</body>
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<center><h1>FreeType-2.5.0 API Reference</h1></center>
<center><h1>
Incremental Loading
</h1></center>
<h2>Synopsis</h2>
<table align=center cellspacing=5 cellpadding=0 border=0>
<tr><td></td><td><a href="#FT_Incremental">FT_Incremental</a></td><td></td><td><a href="#FT_Incremental_GetGlyphMetricsFunc">FT_Incremental_GetGlyphMetricsFunc</a></td></tr>
<tr><td></td><td><a href="#FT_Incremental_MetricsRec">FT_Incremental_MetricsRec</a></td><td></td><td><a href="#FT_Incremental_FuncsRec">FT_Incremental_FuncsRec</a></td></tr>
<tr><td></td><td><a href="#FT_Incremental_Metrics">FT_Incremental_Metrics</a></td><td></td><td><a href="#FT_Incremental_InterfaceRec">FT_Incremental_InterfaceRec</a></td></tr>
<tr><td></td><td><a href="#FT_Incremental_GetGlyphDataFunc">FT_Incremental_GetGlyphDataFunc</a></td><td></td><td><a href="#FT_Incremental_Interface">FT_Incremental_Interface</a></td></tr>
<tr><td></td><td><a href="#FT_Incremental_FreeGlyphDataFunc">FT_Incremental_FreeGlyphDataFunc</a></td><td></td><td><a href="#FT_PARAM_TAG_INCREMENTAL">FT_PARAM_TAG_INCREMENTAL</a></td></tr>
</table><br><br>
<table align=center width="87%"><tr><td>
<p>This section contains various functions used to perform so-called &lsquo;incremental&rsquo; glyph loading. This is a mode where all glyphs loaded from a given <a href="ft2-base_interface.html#FT_Face">FT_Face</a> are provided by the client application,</p>
<p>Apart from that, all other tables are loaded normally from the font file. This mode is useful when FreeType is used within another engine, e.g., a PostScript Imaging Processor.</p>
<p>To enable this mode, you must use <a href="ft2-base_interface.html#FT_Open_Face">FT_Open_Face</a>, passing an <a href="ft2-base_interface.html#FT_Parameter">FT_Parameter</a> with the <a href="ft2-incremental.html#FT_PARAM_TAG_INCREMENTAL">FT_PARAM_TAG_INCREMENTAL</a> tag and an <a href="ft2-incremental.html#FT_Incremental_Interface">FT_Incremental_Interface</a> value. See the comments for <a href="ft2-incremental.html#FT_Incremental_InterfaceRec">FT_Incremental_InterfaceRec</a> for an example.</p>
</td></tr></table><br>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Incremental">FT_Incremental</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_INCREMENTAL_H (freetype/ftincrem.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> FT_IncrementalRec_* <b>FT_Incremental</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>An opaque type describing a user-provided object used to implement &lsquo;incremental&rsquo; glyph loading within FreeType. This is used to support embedded fonts in certain environments (e.g., PostScript interpreters), where the glyph data isn't in the font file, or must be overridden by different values.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>It is up to client applications to create and implement <a href="ft2-incremental.html#FT_Incremental">FT_Incremental</a> objects, as long as they provide implementations for the methods <a href="ft2-incremental.html#FT_Incremental_GetGlyphDataFunc">FT_Incremental_GetGlyphDataFunc</a>, <a href="ft2-incremental.html#FT_Incremental_FreeGlyphDataFunc">FT_Incremental_FreeGlyphDataFunc</a> and <a href="ft2-incremental.html#FT_Incremental_GetGlyphMetricsFunc">FT_Incremental_GetGlyphMetricsFunc</a>.</p>
<p>See the description of <a href="ft2-incremental.html#FT_Incremental_InterfaceRec">FT_Incremental_InterfaceRec</a> to understand how to use incremental objects with FreeType.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Incremental_MetricsRec">FT_Incremental_MetricsRec</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_INCREMENTAL_H (freetype/ftincrem.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> FT_Incremental_MetricsRec_
{
<a href="ft2-basic_types.html#FT_Long">FT_Long</a> bearing_x;
<a href="ft2-basic_types.html#FT_Long">FT_Long</a> bearing_y;
<a href="ft2-basic_types.html#FT_Long">FT_Long</a> advance;
<a href="ft2-basic_types.html#FT_Long">FT_Long</a> advance_v; /* since 2.3.12 */
} <b>FT_Incremental_MetricsRec</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A small structure used to contain the basic glyph metrics returned by the <a href="ft2-incremental.html#FT_Incremental_GetGlyphMetricsFunc">FT_Incremental_GetGlyphMetricsFunc</a> method.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>fields</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>bearing_x</b></td><td>
<p>Left bearing, in font units.</p>
</td></tr>
<tr valign=top><td><b>bearing_y</b></td><td>
<p>Top bearing, in font units.</p>
</td></tr>
<tr valign=top><td><b>advance</b></td><td>
<p>Horizontal component of glyph advance, in font units.</p>
</td></tr>
<tr valign=top><td><b>advance_v</b></td><td>
<p>Vertical component of glyph advance, in font units.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>These correspond to horizontal or vertical metrics depending on the value of the &lsquo;vertical&rsquo; argument to the function <a href="ft2-incremental.html#FT_Incremental_GetGlyphMetricsFunc">FT_Incremental_GetGlyphMetricsFunc</a>.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
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<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Incremental_Metrics">FT_Incremental_Metrics</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_INCREMENTAL_H (freetype/ftincrem.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> FT_Incremental_MetricsRec_* <b>FT_Incremental_Metrics</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A handle to an <a href="ft2-incremental.html#FT_Incremental_MetricsRec">FT_Incremental_MetricsRec</a> structure.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
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<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Incremental_GetGlyphDataFunc">FT_Incremental_GetGlyphDataFunc</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_INCREMENTAL_H (freetype/ftincrem.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <a href="ft2-basic_types.html#FT_Error">FT_Error</a>
(*<b>FT_Incremental_GetGlyphDataFunc</b>)( <a href="ft2-incremental.html#FT_Incremental">FT_Incremental</a> incremental,
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> glyph_index,
<a href="ft2-basic_types.html#FT_Data">FT_Data</a>* adata );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A function called by FreeType to access a given glyph's data bytes during <a href="ft2-base_interface.html#FT_Load_Glyph">FT_Load_Glyph</a> or <a href="ft2-base_interface.html#FT_Load_Char">FT_Load_Char</a> if incremental loading is enabled.</p>
<p>Note that the format of the glyph's data bytes depends on the font file format. For TrueType, it must correspond to the raw bytes within the &lsquo;glyf&rsquo; table. For PostScript formats, it must correspond to the <b>unencrypted</b> charstring bytes, without any &lsquo;lenIV&rsquo; header. It is undefined for any other format.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>incremental</b></td><td>
<p>Handle to an opaque <a href="ft2-incremental.html#FT_Incremental">FT_Incremental</a> handle provided by the client application.</p>
</td></tr>
<tr valign=top><td><b>glyph_index</b></td><td>
<p>Index of relevant glyph.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>adata</b></td><td>
<p>A structure describing the returned glyph data bytes (which will be accessed as a read-only byte block).</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>If this function returns successfully the method <a href="ft2-incremental.html#FT_Incremental_FreeGlyphDataFunc">FT_Incremental_FreeGlyphDataFunc</a> will be called later to release the data bytes.</p>
<p>Nested calls to <a href="ft2-incremental.html#FT_Incremental_GetGlyphDataFunc">FT_Incremental_GetGlyphDataFunc</a> can happen for compound glyphs.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Incremental_FreeGlyphDataFunc">FT_Incremental_FreeGlyphDataFunc</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_INCREMENTAL_H (freetype/ftincrem.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">void</span>
(*<b>FT_Incremental_FreeGlyphDataFunc</b>)( <a href="ft2-incremental.html#FT_Incremental">FT_Incremental</a> incremental,
<a href="ft2-basic_types.html#FT_Data">FT_Data</a>* data );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A function used to release the glyph data bytes returned by a successful call to <a href="ft2-incremental.html#FT_Incremental_GetGlyphDataFunc">FT_Incremental_GetGlyphDataFunc</a>.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>incremental</b></td><td>
<p>A handle to an opaque <a href="ft2-incremental.html#FT_Incremental">FT_Incremental</a> handle provided by the client application.</p>
</td></tr>
<tr valign=top><td><b>data</b></td><td>
<p>A structure describing the glyph data bytes (which will be accessed as a read-only byte block).</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Incremental_GetGlyphMetricsFunc">FT_Incremental_GetGlyphMetricsFunc</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_INCREMENTAL_H (freetype/ftincrem.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <a href="ft2-basic_types.html#FT_Error">FT_Error</a>
(*<b>FT_Incremental_GetGlyphMetricsFunc</b>)
( <a href="ft2-incremental.html#FT_Incremental">FT_Incremental</a> incremental,
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> glyph_index,
<a href="ft2-basic_types.html#FT_Bool">FT_Bool</a> vertical,
<a href="ft2-incremental.html#FT_Incremental_MetricsRec">FT_Incremental_MetricsRec</a> *ametrics );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A function used to retrieve the basic metrics of a given glyph index before accessing its data. This is necessary because, in certain formats like TrueType, the metrics are stored in a different place from the glyph images proper.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>incremental</b></td><td>
<p>A handle to an opaque <a href="ft2-incremental.html#FT_Incremental">FT_Incremental</a> handle provided by the client application.</p>
</td></tr>
<tr valign=top><td><b>glyph_index</b></td><td>
<p>Index of relevant glyph.</p>
</td></tr>
<tr valign=top><td><b>vertical</b></td><td>
<p>If true, return vertical metrics.</p>
</td></tr>
<tr valign=top><td><b>ametrics</b></td><td>
<p>This parameter is used for both input and output. The original glyph metrics, if any, in font units. If metrics are not available all the values must be set to zero.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>ametrics</b></td><td>
<p>The replacement glyph metrics in font units.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Incremental_FuncsRec">FT_Incremental_FuncsRec</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_INCREMENTAL_H (freetype/ftincrem.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> FT_Incremental_FuncsRec_
{
<a href="ft2-incremental.html#FT_Incremental_GetGlyphDataFunc">FT_Incremental_GetGlyphDataFunc</a> get_glyph_data;
<a href="ft2-incremental.html#FT_Incremental_FreeGlyphDataFunc">FT_Incremental_FreeGlyphDataFunc</a> free_glyph_data;
<a href="ft2-incremental.html#FT_Incremental_GetGlyphMetricsFunc">FT_Incremental_GetGlyphMetricsFunc</a> get_glyph_metrics;
} <b>FT_Incremental_FuncsRec</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A table of functions for accessing fonts that load data incrementally. Used in <a href="ft2-incremental.html#FT_Incremental_InterfaceRec">FT_Incremental_InterfaceRec</a>.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>fields</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>get_glyph_data</b></td><td>
<p>The function to get glyph data. Must not be null.</p>
</td></tr>
<tr valign=top><td><b>free_glyph_data</b></td><td>
<p>The function to release glyph data. Must not be null.</p>
</td></tr>
<tr valign=top><td><b>get_glyph_metrics</b></td><td>
<p>The function to get glyph metrics. May be null if the font does not provide overriding glyph metrics.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Incremental_InterfaceRec">FT_Incremental_InterfaceRec</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_INCREMENTAL_H (freetype/ftincrem.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> FT_Incremental_InterfaceRec_
{
<span class="keyword">const</span> <a href="ft2-incremental.html#FT_Incremental_FuncsRec">FT_Incremental_FuncsRec</a>* funcs;
<a href="ft2-incremental.html#FT_Incremental">FT_Incremental</a> object;
} <b>FT_Incremental_InterfaceRec</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A structure to be used with <a href="ft2-base_interface.html#FT_Open_Face">FT_Open_Face</a> to indicate that the user wants to support incremental glyph loading. You should use it with <a href="ft2-incremental.html#FT_PARAM_TAG_INCREMENTAL">FT_PARAM_TAG_INCREMENTAL</a> as in the following example:</p>
<pre class="colored">
FT_Incremental_InterfaceRec inc_int;
FT_Parameter parameter;
FT_Open_Args open_args;
// set up incremental descriptor
inc_int.funcs = my_funcs;
inc_int.object = my_object;
// set up optional parameter
parameter.tag = FT_PARAM_TAG_INCREMENTAL;
parameter.data = &amp;inc_int;
// set up FT_Open_Args structure
open_args.flags = FT_OPEN_PATHNAME | FT_OPEN_PARAMS;
open_args.pathname = my_font_pathname;
open_args.num_params = 1;
open_args.params = &amp;parameter; // we use one optional argument
// open the font
error = FT_Open_Face( library, &amp;open_args, index, &amp;face );
...
</pre>
</td></tr></table><br>
</td></tr></table>
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<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
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<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Incremental_Interface">FT_Incremental_Interface</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_INCREMENTAL_H (freetype/ftincrem.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <a href="ft2-incremental.html#FT_Incremental_InterfaceRec">FT_Incremental_InterfaceRec</a>* <b>FT_Incremental_Interface</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A pointer to an <a href="ft2-incremental.html#FT_Incremental_InterfaceRec">FT_Incremental_InterfaceRec</a> structure.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_PARAM_TAG_INCREMENTAL">FT_PARAM_TAG_INCREMENTAL</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_INCREMENTAL_H (freetype/ftincrem.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_PARAM_TAG_INCREMENTAL</b> <a href="ft2-basic_types.html#FT_MAKE_TAG">FT_MAKE_TAG</a>( 'i', 'n', 'c', 'r' )
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A constant used as the tag of <a href="ft2-base_interface.html#FT_Parameter">FT_Parameter</a> structures to indicate an incremental loading object to be used by FreeType.</p>
</td></tr></table><br>
</td></tr></table>
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<center><h1>FreeType-2.5.0 API Reference</h1></center>
<table align=center border=0 cellpadding=0 cellspacing=0>
<tr><td><a href="ft2-bdf_fonts.html#FT_PropertyType">BDF_PROPERTY_TYPE_ATOM</a></td><td><a href="ft2-lcd_filtering.html#FT_LcdFilter">FT_LCD_FILTER_LIGHT</a></td><td><a href="ft2-glyph_stroker.html#FT_Stroker_ParseOutline">FT_Stroker_ParseOutline</a></td></tr>
<tr><td><a href="ft2-bdf_fonts.html#FT_PropertyType">BDF_PROPERTY_TYPE_CARDINAL</a></td><td><a href="ft2-lcd_filtering.html#FT_LcdFilter">FT_LCD_FILTER_NONE</a></td><td><a href="ft2-glyph_stroker.html#FT_Stroker_Rewind">FT_Stroker_Rewind</a></td></tr>
<tr><td><a href="ft2-bdf_fonts.html#FT_PropertyType">BDF_PROPERTY_TYPE_INTEGER</a></td><td><a href="ft2-lcd_filtering.html#FT_LcdFilter">FT_LcdFilter</a></td><td><a href="ft2-glyph_stroker.html#FT_Stroker_Set">FT_Stroker_Set</a></td></tr>
<tr><td><a href="ft2-bdf_fonts.html#FT_PropertyType">BDF_PROPERTY_TYPE_NONE</a></td><td><a href="ft2-header_file_macros.html#FT_LIST_H">FT_LIST_H</a></td><td><a href="ft2-glyph_stroker.html#FT_StrokerBorder">FT_StrokerBorder</a></td></tr>
<tr><td><a href="ft2-bdf_fonts.html#BDF_Property">BDF_Property</a></td><td><a href="ft2-base_interface.html#FT_Library">FT_Library</a></td><td><a href="ft2-base_interface.html#FT_SUBGLYPH_FLAG_XXX">FT_SUBGLYPH_FLAG_2X2</a></td></tr>
<tr><td><a href="ft2-bdf_fonts.html#BDF_PropertyRec">BDF_PropertyRec</a></td><td><a href="ft2-lcd_filtering.html#FT_Library_SetLcdFilter">FT_Library_SetLcdFilter</a></td><td><a href="ft2-base_interface.html#FT_SUBGLYPH_FLAG_XXX">FT_SUBGLYPH_FLAG_ARGS_ARE_WORDS</a></td></tr>
<tr><td><a href="ft2-type1_tables.html#CID_FaceDict">CID_FaceDict</a></td><td><a href="ft2-lcd_filtering.html#FT_Library_SetLcdFilterWeights">FT_Library_SetLcdFilterWeights</a></td><td><a href="ft2-base_interface.html#FT_SUBGLYPH_FLAG_XXX">FT_SUBGLYPH_FLAG_ARGS_ARE_XY_VALUES</a></td></tr>
<tr><td><a href="ft2-type1_tables.html#CID_FaceDictRec">CID_FaceDictRec</a></td><td><a href="ft2-version.html#FT_Library_Version">FT_Library_Version</a></td><td><a href="ft2-base_interface.html#FT_SUBGLYPH_FLAG_XXX">FT_SUBGLYPH_FLAG_ROUND_XY_TO_GRID</a></td></tr>
<tr><td><a href="ft2-type1_tables.html#CID_FaceInfo">CID_FaceInfo</a></td><td><a href="ft2-list_processing.html#FT_List">FT_List</a></td><td><a href="ft2-base_interface.html#FT_SUBGLYPH_FLAG_XXX">FT_SUBGLYPH_FLAG_SCALE</a></td></tr>
<tr><td><a href="ft2-type1_tables.html#CID_FaceInfoRec">CID_FaceInfoRec</a></td><td><a href="ft2-list_processing.html#FT_List_Add">FT_List_Add</a></td><td><a href="ft2-base_interface.html#FT_SUBGLYPH_FLAG_XXX">FT_SUBGLYPH_FLAG_USE_MY_METRICS</a></td></tr>
<tr><td><a href="ft2-type1_tables.html#CID_Info">CID_Info</a></td><td><a href="ft2-list_processing.html#FT_List_Destructor">FT_List_Destructor</a></td><td><a href="ft2-base_interface.html#FT_SUBGLYPH_FLAG_XXX">FT_SUBGLYPH_FLAG_XXX</a></td></tr>
<tr><td><a href="ft2-version.html#FREETYPE_XXX">FREETYPE_MAJOR</a></td><td><a href="ft2-list_processing.html#FT_List_Finalize">FT_List_Finalize</a></td><td><a href="ft2-base_interface.html#FT_SUBGLYPH_FLAG_XXX">FT_SUBGLYPH_FLAG_XY_SCALE</a></td></tr>
<tr><td><a href="ft2-version.html#FREETYPE_XXX">FREETYPE_MINOR</a></td><td><a href="ft2-list_processing.html#FT_List_Find">FT_List_Find</a></td><td><a href="ft2-base_interface.html#FT_SubGlyph">FT_SubGlyph</a></td></tr>
<tr><td><a href="ft2-version.html#FREETYPE_XXX">FREETYPE_PATCH</a></td><td><a href="ft2-list_processing.html#FT_List_Insert">FT_List_Insert</a></td><td><a href="ft2-header_file_macros.html#FT_SYNTHESIS_H">FT_SYNTHESIS_H</a></td></tr>
<tr><td><a href="ft2-version.html#FREETYPE_XXX">FREETYPE_XXX</a></td><td><a href="ft2-list_processing.html#FT_List_Iterate">FT_List_Iterate</a></td><td><a href="ft2-header_file_macros.html#FT_SYSTEM_H">FT_SYSTEM_H</a></td></tr>
<tr><td><a href="ft2-sizes_management.html#FT_Activate_Size">FT_Activate_Size</a></td><td><a href="ft2-list_processing.html#FT_List_Iterator">FT_List_Iterator</a></td><td><a href="ft2-basic_types.html#FT_Tag">FT_Tag</a></td></tr>
<tr><td><a href="ft2-quick_advance.html#FT_ADVANCE_FLAG_FAST_ONLY">FT_ADVANCE_FLAG_FAST_ONLY</a></td><td><a href="ft2-list_processing.html#FT_List_Remove">FT_List_Remove</a></td><td><a href="ft2-computations.html#FT_Tan">FT_Tan</a></td></tr>
<tr><td><a href="ft2-header_file_macros.html#FT_ADVANCES_H">FT_ADVANCES_H</a></td><td><a href="ft2-list_processing.html#FT_List_Up">FT_List_Up</a></td><td><a href="ft2-header_file_macros.html#FT_TRIGONOMETRY_H">FT_TRIGONOMETRY_H</a></td></tr>
<tr><td><a href="ft2-module_management.html#FT_Add_Default_Modules">FT_Add_Default_Modules</a></td><td><a href="ft2-list_processing.html#FT_ListNode">FT_ListNode</a></td><td><a href="ft2-header_file_macros.html#FT_TRUETYPE_DRIVER_H">FT_TRUETYPE_DRIVER_H</a></td></tr>
<tr><td><a href="ft2-module_management.html#FT_Add_Module">FT_Add_Module</a></td><td><a href="ft2-list_processing.html#FT_ListNodeRec">FT_ListNodeRec</a></td><td><a href="ft2-truetype_engine.html#FT_TrueTypeEngineType">FT_TRUETYPE_ENGINE_TYPE_NONE</a></td></tr>
<tr><td><a href="ft2-system_interface.html#FT_Alloc_Func">FT_Alloc_Func</a></td><td><a href="ft2-list_processing.html#FT_ListRec">FT_ListRec</a></td><td><a href="ft2-truetype_engine.html#FT_TrueTypeEngineType">FT_TRUETYPE_ENGINE_TYPE_PATENTED</a></td></tr>
<tr><td><a href="ft2-computations.html#FT_ANGLE_2PI">FT_ANGLE_2PI</a></td><td><a href="ft2-base_interface.html#FT_LOAD_XXX">FT_LOAD_COLOR</a></td><td><a href="ft2-truetype_engine.html#FT_TrueTypeEngineType">FT_TRUETYPE_ENGINE_TYPE_UNPATENTED</a></td></tr>
<tr><td><a href="ft2-computations.html#FT_ANGLE_PI">FT_ANGLE_PI</a></td><td><a href="ft2-base_interface.html#FT_LOAD_XXX">FT_LOAD_CROP_BITMAP</a></td><td><a href="ft2-header_file_macros.html#FT_TRUETYPE_IDS_H">FT_TRUETYPE_IDS_H</a></td></tr>
<tr><td><a href="ft2-computations.html#FT_ANGLE_PI2">FT_ANGLE_PI2</a></td><td><a href="ft2-base_interface.html#FT_LOAD_XXX">FT_LOAD_DEFAULT</a></td><td><a href="ft2-header_file_macros.html#FT_TRUETYPE_TABLES_H">FT_TRUETYPE_TABLES_H</a></td></tr>
<tr><td><a href="ft2-computations.html#FT_ANGLE_PI4">FT_ANGLE_PI4</a></td><td><a href="ft2-base_interface.html#FT_LOAD_XXX">FT_LOAD_FORCE_AUTOHINT</a></td><td><a href="ft2-header_file_macros.html#FT_TRUETYPE_TAGS_H">FT_TRUETYPE_TAGS_H</a></td></tr>
<tr><td><a href="ft2-computations.html#FT_Angle">FT_Angle</a></td><td><a href="ft2-base_interface.html#FT_LOAD_XXX">FT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH</a></td><td><a href="ft2-truetype_engine.html#FT_TrueTypeEngineType">FT_TrueTypeEngineType</a></td></tr>
<tr><td><a href="ft2-computations.html#FT_Angle_Diff">FT_Angle_Diff</a></td><td><a href="ft2-base_interface.html#FT_LOAD_XXX">FT_LOAD_IGNORE_TRANSFORM</a></td><td><a href="ft2-gx_validation.html#FT_TrueTypeGX_Free">FT_TrueTypeGX_Free</a></td></tr>
<tr><td><a href="ft2-computations.html#FT_Atan2">FT_Atan2</a></td><td><a href="ft2-base_interface.html#FT_LOAD_XXX">FT_LOAD_LINEAR_DESIGN</a></td><td><a href="ft2-gx_validation.html#FT_TrueTypeGX_Validate">FT_TrueTypeGX_Validate</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Attach_File">FT_Attach_File</a></td><td><a href="ft2-base_interface.html#FT_LOAD_XXX">FT_LOAD_MONOCHROME</a></td><td><a href="ft2-header_file_macros.html#FT_TYPE1_TABLES_H">FT_TYPE1_TABLES_H</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Attach_Stream">FT_Attach_Stream</a></td><td><a href="ft2-base_interface.html#FT_LOAD_XXX">FT_LOAD_NO_AUTOHINT</a></td><td><a href="ft2-header_file_macros.html#FT_TYPES_H">FT_TYPES_H</a></td></tr>
<tr><td><a href="ft2-header_file_macros.html#FT_AUTOHINTER_H">FT_AUTOHINTER_H</a></td><td><a href="ft2-base_interface.html#FT_LOAD_XXX">FT_LOAD_NO_BITMAP</a></td><td><a href="ft2-basic_types.html#FT_UFWord">FT_UFWord</a></td></tr>
<tr><td><a href="ft2-auto_hinter.html#FT_AUTOHINTER_SCRIPT_XXX">FT_AUTOHINTER_SCRIPT_CJK</a></td><td><a href="ft2-base_interface.html#FT_LOAD_XXX">FT_LOAD_NO_HINTING</a></td><td><a href="ft2-basic_types.html#FT_UInt">FT_UInt</a></td></tr>
<tr><td><a href="ft2-auto_hinter.html#FT_AUTOHINTER_SCRIPT_XXX">FT_AUTOHINTER_SCRIPT_INDIC</a></td><td><a href="ft2-base_interface.html#FT_LOAD_XXX">FT_LOAD_NO_RECURSE</a></td><td><a href="ft2-basic_types.html#FT_UInt16">FT_UInt16</a></td></tr>
<tr><td><a href="ft2-auto_hinter.html#FT_AUTOHINTER_SCRIPT_XXX">FT_AUTOHINTER_SCRIPT_LATIN</a></td><td><a href="ft2-base_interface.html#FT_LOAD_XXX">FT_LOAD_NO_SCALE</a></td><td><a href="ft2-basic_types.html#FT_UInt32">FT_UInt32</a></td></tr>
<tr><td><a href="ft2-auto_hinter.html#FT_AUTOHINTER_SCRIPT_XXX">FT_AUTOHINTER_SCRIPT_NONE</a></td><td><a href="ft2-base_interface.html#FT_LOAD_XXX">FT_LOAD_PEDANTIC</a></td><td><a href="ft2-basic_types.html#FT_UInt64">FT_UInt64</a></td></tr>
<tr><td><a href="ft2-auto_hinter.html#FT_AUTOHINTER_SCRIPT_XXX">FT_AUTOHINTER_SCRIPT_XXX</a></td><td><a href="ft2-base_interface.html#FT_LOAD_XXX">FT_LOAD_RENDER</a></td><td><a href="ft2-basic_types.html#FT_ULong">FT_ULong</a></td></tr>
<tr><td><a href="ft2-header_file_macros.html#FT_BBOX_H">FT_BBOX_H</a></td><td><a href="ft2-base_interface.html#FT_LOAD_TARGET_XXX">FT_LOAD_TARGET_LCD</a></td><td><a href="ft2-header_file_macros.html#FT_UNPATENTED_HINTING_H">FT_UNPATENTED_HINTING_H</a></td></tr>
<tr><td><a href="ft2-basic_types.html#FT_BBox">FT_BBox</a></td><td><a href="ft2-base_interface.html#FT_LOAD_TARGET_XXX">FT_LOAD_TARGET_LCD_V</a></td><td><a href="ft2-basic_types.html#FT_UnitVector">FT_UnitVector</a></td></tr>
<tr><td><a href="ft2-header_file_macros.html#FT_BDF_H">FT_BDF_H</a></td><td><a href="ft2-base_interface.html#FT_LOAD_TARGET_XXX">FT_LOAD_TARGET_LIGHT</a></td><td><a href="ft2-basic_types.html#FT_UShort">FT_UShort</a></td></tr>
<tr><td><a href="ft2-header_file_macros.html#FT_BITMAP_H">FT_BITMAP_H</a></td><td><a href="ft2-base_interface.html#FT_LOAD_TARGET_MODE">FT_LOAD_TARGET_MODE</a></td><td><a href="ft2-gx_validation.html#FT_VALIDATE_CKERNXXX">FT_VALIDATE_APPLE</a></td></tr>
<tr><td><a href="ft2-basic_types.html#FT_Bitmap">FT_Bitmap</a></td><td><a href="ft2-base_interface.html#FT_LOAD_TARGET_XXX">FT_LOAD_TARGET_MONO</a></td><td><a href="ft2-ot_validation.html#FT_VALIDATE_OTXXX">FT_VALIDATE_BASE</a></td></tr>
<tr><td><a href="ft2-bitmap_handling.html#FT_Bitmap_Convert">FT_Bitmap_Convert</a></td><td><a href="ft2-base_interface.html#FT_LOAD_TARGET_XXX">FT_LOAD_TARGET_NORMAL</a></td><td><a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_bsln</a></td></tr>
<tr><td><a href="ft2-bitmap_handling.html#FT_Bitmap_Copy">FT_Bitmap_Copy</a></td><td><a href="ft2-base_interface.html#FT_LOAD_TARGET_XXX">FT_LOAD_TARGET_XXX</a></td><td><a href="ft2-gx_validation.html#FT_VALIDATE_CKERNXXX">FT_VALIDATE_CKERN</a></td></tr>
<tr><td><a href="ft2-bitmap_handling.html#FT_Bitmap_Done">FT_Bitmap_Done</a></td><td><a href="ft2-base_interface.html#FT_LOAD_XXX">FT_LOAD_VERTICAL_LAYOUT</a></td><td><a href="ft2-gx_validation.html#FT_VALIDATE_CKERNXXX">FT_VALIDATE_CKERNXXX</a></td></tr>
<tr><td><a href="ft2-bitmap_handling.html#FT_Bitmap_Embolden">FT_Bitmap_Embolden</a></td><td><a href="ft2-base_interface.html#FT_LOAD_XXX">FT_LOAD_XXX</a></td><td><a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_feat</a></td></tr>
<tr><td><a href="ft2-bitmap_handling.html#FT_Bitmap_New">FT_Bitmap_New</a></td><td><a href="ft2-base_interface.html#FT_Load_Char">FT_Load_Char</a></td><td><a href="ft2-ot_validation.html#FT_VALIDATE_OTXXX">FT_VALIDATE_GDEF</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Bitmap_Size">FT_Bitmap_Size</a></td><td><a href="ft2-base_interface.html#FT_Load_Glyph">FT_Load_Glyph</a></td><td><a href="ft2-ot_validation.html#FT_VALIDATE_OTXXX">FT_VALIDATE_GPOS</a></td></tr>
<tr><td><a href="ft2-glyph_management.html#FT_BitmapGlyph">FT_BitmapGlyph</a></td><td><a href="ft2-truetype_tables.html#FT_Load_Sfnt_Table">FT_Load_Sfnt_Table</a></td><td><a href="ft2-ot_validation.html#FT_VALIDATE_OTXXX">FT_VALIDATE_GSUB</a></td></tr>
<tr><td><a href="ft2-glyph_management.html#FT_BitmapGlyphRec">FT_BitmapGlyphRec</a></td><td><a href="ft2-basic_types.html#FT_Long">FT_Long</a></td><td><a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_GX</a></td></tr>
<tr><td><a href="ft2-basic_types.html#FT_Bool">FT_Bool</a></td><td><a href="ft2-header_file_macros.html#FT_LZW_H">FT_LZW_H</a></td><td><a href="ft2-gx_validation.html#FT_VALIDATE_GX_LENGTH">FT_VALIDATE_GX_LENGTH</a></td></tr>
<tr><td><a href="ft2-basic_types.html#FT_Byte">FT_Byte</a></td><td><a href="ft2-header_file_macros.html#FT_MAC_H">FT_MAC_H</a></td><td><a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_GXXXX</a></td></tr>
<tr><td><a href="ft2-basic_types.html#FT_Bytes">FT_Bytes</a></td><td><a href="ft2-basic_types.html#FT_MAKE_TAG">FT_MAKE_TAG</a></td><td><a href="ft2-ot_validation.html#FT_VALIDATE_OTXXX">FT_VALIDATE_JSTF</a></td></tr>
<tr><td><a href="ft2-header_file_macros.html#FT_BZIP2_H">FT_BZIP2_H</a></td><td><a href="ft2-basic_types.html#FT_Matrix">FT_Matrix</a></td><td><a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_just</a></td></tr>
<tr><td><a href="ft2-header_file_macros.html#FT_CACHE_CHARMAP_H">FT_CACHE_CHARMAP_H</a></td><td><a href="ft2-computations.html#FT_Matrix_Invert">FT_Matrix_Invert</a></td><td><a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_kern</a></td></tr>
<tr><td><a href="ft2-header_file_macros.html#FT_CACHE_H">FT_CACHE_H</a></td><td><a href="ft2-computations.html#FT_Matrix_Multiply">FT_Matrix_Multiply</a></td><td><a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_lcar</a></td></tr>
<tr><td><a href="ft2-header_file_macros.html#FT_CACHE_IMAGE_H">FT_CACHE_IMAGE_H</a></td><td><a href="ft2-system_interface.html#FT_Memory">FT_Memory</a></td><td><a href="ft2-ot_validation.html#FT_VALIDATE_OTXXX">FT_VALIDATE_MATH</a></td></tr>
<tr><td><a href="ft2-header_file_macros.html#FT_CACHE_SMALL_BITMAPS_H">FT_CACHE_SMALL_BITMAPS_H</a></td><td><a href="ft2-system_interface.html#FT_MemoryRec">FT_MemoryRec</a></td><td><a href="ft2-gx_validation.html#FT_VALIDATE_CKERNXXX">FT_VALIDATE_MS</a></td></tr>
<tr><td><a href="ft2-computations.html#FT_CeilFix">FT_CeilFix</a></td><td><a href="ft2-multiple_masters.html#FT_MM_Axis">FT_MM_Axis</a></td><td><a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_mort</a></td></tr>
<tr><td><a href="ft2-header_file_macros.html#FT_CFF_DRIVER_H">FT_CFF_DRIVER_H</a></td><td><a href="ft2-multiple_masters.html#FT_MM_Var">FT_MM_Var</a></td><td><a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_morx</a></td></tr>
<tr><td><a href="ft2-cff_driver.html#FT_CFF_HINTING_XXX">FT_CFF_HINTING_ADOBE</a></td><td><a href="ft2-header_file_macros.html#FT_MODULE_ERRORS_H">FT_MODULE_ERRORS_H</a></td><td><a href="ft2-ot_validation.html#FT_VALIDATE_OTXXX">FT_VALIDATE_OT</a></td></tr>
<tr><td><a href="ft2-cff_driver.html#FT_CFF_HINTING_XXX">FT_CFF_HINTING_FREETYPE</a></td><td><a href="ft2-header_file_macros.html#FT_MODULE_H">FT_MODULE_H</a></td><td><a href="ft2-ot_validation.html#FT_VALIDATE_OTXXX">FT_VALIDATE_OTXXX</a></td></tr>
<tr><td><a href="ft2-cff_driver.html#FT_CFF_HINTING_XXX">FT_CFF_HINTING_XXX</a></td><td><a href="ft2-base_interface.html#FT_Module">FT_Module</a></td><td><a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_opbd</a></td></tr>
<tr><td><a href="ft2-basic_types.html#FT_Char">FT_Char</a></td><td><a href="ft2-module_management.html#FT_Module_Class">FT_Module_Class</a></td><td><a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_prop</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_CharMap">FT_CharMap</a></td><td><a href="ft2-module_management.html#FT_Module_Constructor">FT_Module_Constructor</a></td><td><a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_trak</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_CharMapRec">FT_CharMapRec</a></td><td><a href="ft2-module_management.html#FT_Module_Destructor">FT_Module_Destructor</a></td><td><a href="ft2-multiple_masters.html#FT_Var_Axis">FT_Var_Axis</a></td></tr>
<tr><td><a href="ft2-header_file_macros.html#FT_CID_H">FT_CID_H</a></td><td><a href="ft2-module_management.html#FT_Module_Requester">FT_Module_Requester</a></td><td><a href="ft2-multiple_masters.html#FT_Var_Named_Style">FT_Var_Named_Style</a></td></tr>
<tr><td><a href="ft2-gx_validation.html#FT_ClassicKern_Free">FT_ClassicKern_Free</a></td><td><a href="ft2-header_file_macros.html#FT_MULTIPLE_MASTERS_H">FT_MULTIPLE_MASTERS_H</a></td><td><a href="ft2-basic_types.html#FT_Vector">FT_Vector</a></td></tr>
<tr><td><a href="ft2-gx_validation.html#FT_ClassicKern_Validate">FT_ClassicKern_Validate</a></td><td><a href="ft2-computations.html#FT_MulDiv">FT_MulDiv</a></td><td><a href="ft2-computations.html#FT_Vector_From_Polar">FT_Vector_From_Polar</a></td></tr>
<tr><td><a href="ft2-header_file_macros.html#FT_CONFIG_CONFIG_H">FT_CONFIG_CONFIG_H</a></td><td><a href="ft2-computations.html#FT_MulFix">FT_MulFix</a></td><td><a href="ft2-computations.html#FT_Vector_Length">FT_Vector_Length</a></td></tr>
<tr><td><a href="ft2-header_file_macros.html#FT_CONFIG_MODULES_H">FT_CONFIG_MODULES_H</a></td><td><a href="ft2-multiple_masters.html#FT_Multi_Master">FT_Multi_Master</a></td><td><a href="ft2-computations.html#FT_Vector_Polarize">FT_Vector_Polarize</a></td></tr>
<tr><td><a href="ft2-header_file_macros.html#FT_CONFIG_OPTIONS_H">FT_CONFIG_OPTIONS_H</a></td><td><a href="ft2-base_interface.html#FT_New_Face">FT_New_Face</a></td><td><a href="ft2-computations.html#FT_Vector_Rotate">FT_Vector_Rotate</a></td></tr>
<tr><td><a href="ft2-header_file_macros.html#FT_CONFIG_STANDARD_LIBRARY_H">FT_CONFIG_STANDARD_LIBRARY_H</a></td><td><a href="ft2-mac_specific.html#FT_New_Face_From_FOND">FT_New_Face_From_FOND</a></td><td><a href="ft2-computations.html#FT_Vector_Transform">FT_Vector_Transform</a></td></tr>
<tr><td><a href="ft2-computations.html#FT_Cos">FT_Cos</a></td><td><a href="ft2-mac_specific.html#FT_New_Face_From_FSRef">FT_New_Face_From_FSRef</a></td><td><a href="ft2-computations.html#FT_Vector_Unit">FT_Vector_Unit</a></td></tr>
<tr><td><a href="ft2-basic_types.html#FT_Data">FT_Data</a></td><td><a href="ft2-mac_specific.html#FT_New_Face_From_FSSpec">FT_New_Face_From_FSSpec</a></td><td><a href="ft2-header_file_macros.html#FT_WINFONTS_H">FT_WINFONTS_H</a></td></tr>
<tr><td><a href="ft2-computations.html#FT_DivFix">FT_DivFix</a></td><td><a href="ft2-module_management.html#FT_New_Library">FT_New_Library</a></td><td><a href="ft2-winfnt_fonts.html#FT_WinFNT_Header">FT_WinFNT_Header</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Done_Face">FT_Done_Face</a></td><td><a href="ft2-base_interface.html#FT_New_Memory_Face">FT_New_Memory_Face</a></td><td><a href="ft2-winfnt_fonts.html#FT_WinFNT_HeaderRec">FT_WinFNT_HeaderRec</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Done_FreeType">FT_Done_FreeType</a></td><td><a href="ft2-sizes_management.html#FT_New_Size">FT_New_Size</a></td><td><a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_CP1250</a></td></tr>
<tr><td><a href="ft2-glyph_management.html#FT_Done_Glyph">FT_Done_Glyph</a></td><td><a href="ft2-basic_types.html#FT_Offset">FT_Offset</a></td><td><a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_CP1251</a></td></tr>
<tr><td><a href="ft2-module_management.html#FT_Done_Library">FT_Done_Library</a></td><td><a href="ft2-base_interface.html#FT_OPEN_XXX">FT_OPEN_DRIVER</a></td><td><a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_CP1252</a></td></tr>
<tr><td><a href="ft2-sizes_management.html#FT_Done_Size">FT_Done_Size</a></td><td><a href="ft2-base_interface.html#FT_OPEN_XXX">FT_OPEN_MEMORY</a></td><td><a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_CP1253</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Driver">FT_Driver</a></td><td><a href="ft2-base_interface.html#FT_OPEN_XXX">FT_OPEN_PARAMS</a></td><td><a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_CP1254</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_ENC_TAG">FT_ENC_TAG</a></td><td><a href="ft2-base_interface.html#FT_OPEN_XXX">FT_OPEN_PATHNAME</a></td><td><a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_CP1255</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Encoding">FT_ENCODING_ADOBE_CUSTOM</a></td><td><a href="ft2-base_interface.html#FT_OPEN_XXX">FT_OPEN_STREAM</a></td><td><a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_CP1256</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Encoding">FT_ENCODING_ADOBE_EXPERT</a></td><td><a href="ft2-base_interface.html#FT_OPEN_XXX">FT_OPEN_XXX</a></td><td><a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_CP1257</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Encoding">FT_ENCODING_ADOBE_LATIN_1</a></td><td><a href="ft2-header_file_macros.html#FT_OPENTYPE_VALIDATE_H">FT_OPENTYPE_VALIDATE_H</a></td><td><a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_CP1258</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Encoding">FT_ENCODING_ADOBE_STANDARD</a></td><td><a href="ft2-base_interface.html#FT_Open_Args">FT_Open_Args</a></td><td><a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_CP1361</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Encoding">FT_ENCODING_APPLE_ROMAN</a></td><td><a href="ft2-base_interface.html#FT_Open_Face">FT_Open_Face</a></td><td><a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_CP874</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Encoding">FT_ENCODING_BIG5</a></td><td><a href="ft2-ot_validation.html#FT_OpenType_Free">FT_OpenType_Free</a></td><td><a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_CP932</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Encoding">FT_ENCODING_GB2312</a></td><td><a href="ft2-ot_validation.html#FT_OpenType_Validate">FT_OpenType_Validate</a></td><td><a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_CP936</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Encoding">FT_ENCODING_JOHAB</a></td><td><a href="ft2-outline_processing.html#FT_Orientation">FT_ORIENTATION_FILL_LEFT</a></td><td><a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_CP949</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Encoding">FT_ENCODING_MS_BIG5</a></td><td><a href="ft2-outline_processing.html#FT_Orientation">FT_ORIENTATION_FILL_RIGHT</a></td><td><a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_CP950</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Encoding">FT_ENCODING_MS_GB2312</a></td><td><a href="ft2-outline_processing.html#FT_Orientation">FT_ORIENTATION_NONE</a></td><td><a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_DEFAULT</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Encoding">FT_ENCODING_MS_JOHAB</a></td><td><a href="ft2-outline_processing.html#FT_Orientation">FT_ORIENTATION_POSTSCRIPT</a></td><td><a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_MAC</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Encoding">FT_ENCODING_MS_SJIS</a></td><td><a href="ft2-outline_processing.html#FT_Orientation">FT_ORIENTATION_TRUETYPE</a></td><td><a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_OEM</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Encoding">FT_ENCODING_MS_SYMBOL</a></td><td><a href="ft2-outline_processing.html#FT_Orientation">FT_Orientation</a></td><td><a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_SYMBOL</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Encoding">FT_ENCODING_MS_WANSUNG</a></td><td><a href="ft2-outline_processing.html#FT_OUTLINE_FLAGS">FT_OUTLINE_EVEN_ODD_FILL</a></td><td><a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_XXX</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Encoding">FT_ENCODING_NONE</a></td><td><a href="ft2-outline_processing.html#FT_OUTLINE_FLAGS">FT_OUTLINE_FLAGS</a></td><td><a href="ft2-header_file_macros.html#FT_XFREE86_H">FT_XFREE86_H</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Encoding">FT_ENCODING_OLD_LATIN_2</a></td><td><a href="ft2-header_file_macros.html#FT_OUTLINE_H">FT_OUTLINE_H</a></td><td><a href="ft2-cache_subsystem.html#FTC_CMapCache">FTC_CMapCache</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Encoding">FT_ENCODING_SJIS</a></td><td><a href="ft2-outline_processing.html#FT_OUTLINE_FLAGS">FT_OUTLINE_HIGH_PRECISION</a></td><td><a href="ft2-cache_subsystem.html#FTC_CMapCache_Lookup">FTC_CMapCache_Lookup</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Encoding">FT_ENCODING_UNICODE</a></td><td><a href="ft2-outline_processing.html#FT_OUTLINE_FLAGS">FT_OUTLINE_IGNORE_DROPOUTS</a></td><td><a href="ft2-cache_subsystem.html#FTC_CMapCache_New">FTC_CMapCache_New</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Encoding">FT_ENCODING_WANSUNG</a></td><td><a href="ft2-outline_processing.html#FT_OUTLINE_FLAGS">FT_OUTLINE_INCLUDE_STUBS</a></td><td><a href="ft2-cache_subsystem.html#FTC_Face_Requester">FTC_Face_Requester</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Encoding">FT_Encoding</a></td><td><a href="ft2-outline_processing.html#FT_OUTLINE_FLAGS">FT_OUTLINE_NONE</a></td><td><a href="ft2-cache_subsystem.html#FTC_FaceID">FTC_FaceID</a></td></tr>
<tr><td><a href="ft2-header_file_macros.html#FT_ERRORS_H">FT_ERRORS_H</a></td><td><a href="ft2-outline_processing.html#FT_OUTLINE_FLAGS">FT_OUTLINE_OWNER</a></td><td><a href="ft2-cache_subsystem.html#FTC_ImageCache">FTC_ImageCache</a></td></tr>
<tr><td><a href="ft2-basic_types.html#FT_Error">FT_Error</a></td><td><a href="ft2-outline_processing.html#FT_OUTLINE_FLAGS">FT_OUTLINE_REVERSE_FILL</a></td><td><a href="ft2-cache_subsystem.html#FTC_ImageCache_Lookup">FTC_ImageCache_Lookup</a></td></tr>
<tr><td><a href="ft2-basic_types.html#FT_F26Dot6">FT_F26Dot6</a></td><td><a href="ft2-outline_processing.html#FT_OUTLINE_FLAGS">FT_OUTLINE_SINGLE_PASS</a></td><td><a href="ft2-cache_subsystem.html#FTC_ImageCache_LookupScaler">FTC_ImageCache_LookupScaler</a></td></tr>
<tr><td><a href="ft2-basic_types.html#FT_F2Dot14">FT_F2Dot14</a></td><td><a href="ft2-outline_processing.html#FT_OUTLINE_FLAGS">FT_OUTLINE_SMART_DROPOUTS</a></td><td><a href="ft2-cache_subsystem.html#FTC_ImageCache_New">FTC_ImageCache_New</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_FACE_FLAG_XXX">FT_FACE_FLAG_CID_KEYED</a></td><td><a href="ft2-outline_processing.html#FT_Outline">FT_Outline</a></td><td><a href="ft2-cache_subsystem.html#FTC_ImageType">FTC_ImageType</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_FACE_FLAG_XXX">FT_FACE_FLAG_EXTERNAL_STREAM</a></td><td><a href="ft2-outline_processing.html#FT_Outline_Check">FT_Outline_Check</a></td><td><a href="ft2-cache_subsystem.html#FTC_ImageTypeRec">FTC_ImageTypeRec</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_FACE_FLAG_XXX">FT_FACE_FLAG_FAST_GLYPHS</a></td><td><a href="ft2-outline_processing.html#FT_Outline_ConicToFunc">FT_Outline_ConicToFunc</a></td><td><a href="ft2-cache_subsystem.html#FTC_Manager">FTC_Manager</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_FACE_FLAG_XXX">FT_FACE_FLAG_FIXED_SIZES</a></td><td><a href="ft2-outline_processing.html#FT_Outline_Copy">FT_Outline_Copy</a></td><td><a href="ft2-cache_subsystem.html#FTC_Manager_Done">FTC_Manager_Done</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_FACE_FLAG_XXX">FT_FACE_FLAG_FIXED_WIDTH</a></td><td><a href="ft2-outline_processing.html#FT_Outline_CubicToFunc">FT_Outline_CubicToFunc</a></td><td><a href="ft2-cache_subsystem.html#FTC_Manager_LookupFace">FTC_Manager_LookupFace</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_FACE_FLAG_XXX">FT_FACE_FLAG_GLYPH_NAMES</a></td><td><a href="ft2-outline_processing.html#FT_Outline_Decompose">FT_Outline_Decompose</a></td><td><a href="ft2-cache_subsystem.html#FTC_Manager_LookupSize">FTC_Manager_LookupSize</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_FACE_FLAG_XXX">FT_FACE_FLAG_HINTER</a></td><td><a href="ft2-outline_processing.html#FT_Outline_Done">FT_Outline_Done</a></td><td><a href="ft2-cache_subsystem.html#FTC_Manager_New">FTC_Manager_New</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_FACE_FLAG_XXX">FT_FACE_FLAG_HORIZONTAL</a></td><td><a href="ft2-outline_processing.html#FT_Outline_Embolden">FT_Outline_Embolden</a></td><td><a href="ft2-cache_subsystem.html#FTC_Manager_RemoveFaceID">FTC_Manager_RemoveFaceID</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_FACE_FLAG_XXX">FT_FACE_FLAG_KERNING</a></td><td><a href="ft2-outline_processing.html#FT_Outline_EmboldenXY">FT_Outline_EmboldenXY</a></td><td><a href="ft2-cache_subsystem.html#FTC_Manager_Reset">FTC_Manager_Reset</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_FACE_FLAG_XXX">FT_FACE_FLAG_MULTIPLE_MASTERS</a></td><td><a href="ft2-outline_processing.html#FT_Outline_Funcs">FT_Outline_Funcs</a></td><td><a href="ft2-cache_subsystem.html#FTC_Node">FTC_Node</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_FACE_FLAG_XXX">FT_FACE_FLAG_SCALABLE</a></td><td><a href="ft2-outline_processing.html#FT_Outline_Get_BBox">FT_Outline_Get_BBox</a></td><td><a href="ft2-cache_subsystem.html#FTC_Node_Unref">FTC_Node_Unref</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_FACE_FLAG_XXX">FT_FACE_FLAG_SFNT</a></td><td><a href="ft2-outline_processing.html#FT_Outline_Get_Bitmap">FT_Outline_Get_Bitmap</a></td><td><a href="ft2-cache_subsystem.html#FTC_SBit">FTC_SBit</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_FACE_FLAG_XXX">FT_FACE_FLAG_TRICKY</a></td><td><a href="ft2-outline_processing.html#FT_Outline_Get_CBox">FT_Outline_Get_CBox</a></td><td><a href="ft2-cache_subsystem.html#FTC_SBitCache">FTC_SBitCache</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_FACE_FLAG_XXX">FT_FACE_FLAG_VERTICAL</a></td><td><a href="ft2-outline_processing.html#FT_Outline_Get_Orientation">FT_Outline_Get_Orientation</a></td><td><a href="ft2-cache_subsystem.html#FTC_SBitCache_Lookup">FTC_SBitCache_Lookup</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_FACE_FLAG_XXX">FT_FACE_FLAG_XXX</a></td><td><a href="ft2-glyph_stroker.html#FT_Outline_GetInsideBorder">FT_Outline_GetInsideBorder</a></td><td><a href="ft2-cache_subsystem.html#FTC_SBitCache_LookupScaler">FTC_SBitCache_LookupScaler</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Face">FT_Face</a></td><td><a href="ft2-glyph_stroker.html#FT_Outline_GetOutsideBorder">FT_Outline_GetOutsideBorder</a></td><td><a href="ft2-cache_subsystem.html#FTC_SBitCache_New">FTC_SBitCache_New</a></td></tr>
<tr><td><a href="ft2-version.html#FT_Face_CheckTrueTypePatents">FT_Face_CheckTrueTypePatents</a></td><td><a href="ft2-outline_processing.html#FT_Outline_LineToFunc">FT_Outline_LineToFunc</a></td><td><a href="ft2-cache_subsystem.html#FTC_SBitRec">FTC_SBitRec</a></td></tr>
<tr><td><a href="ft2-glyph_variants.html#FT_Face_GetCharsOfVariant">FT_Face_GetCharsOfVariant</a></td><td><a href="ft2-outline_processing.html#FT_Outline_MoveToFunc">FT_Outline_MoveToFunc</a></td><td><a href="ft2-cache_subsystem.html#FTC_Scaler">FTC_Scaler</a></td></tr>
<tr><td><a href="ft2-glyph_variants.html#FT_Face_GetCharVariantIndex">FT_Face_GetCharVariantIndex</a></td><td><a href="ft2-outline_processing.html#FT_Outline_New">FT_Outline_New</a></td><td><a href="ft2-cache_subsystem.html#FTC_ScalerRec">FTC_ScalerRec</a></td></tr>
<tr><td><a href="ft2-glyph_variants.html#FT_Face_GetCharVariantIsDefault">FT_Face_GetCharVariantIsDefault</a></td><td><a href="ft2-outline_processing.html#FT_Outline_Render">FT_Outline_Render</a></td><td><a href="ft2-auto_hinter.html#fallback-script">fallback-script</a></td></tr>
<tr><td><a href="ft2-glyph_variants.html#FT_Face_GetVariantSelectors">FT_Face_GetVariantSelectors</a></td><td><a href="ft2-outline_processing.html#FT_Outline_Reverse">FT_Outline_Reverse</a></td><td><a href="ft2-base_interface.html#ft_encoding_xxx">ft_encoding_xxx</a></td></tr>
<tr><td><a href="ft2-glyph_variants.html#FT_Face_GetVariantsOfChar">FT_Face_GetVariantsOfChar</a></td><td><a href="ft2-outline_processing.html#FT_Outline_Transform">FT_Outline_Transform</a></td><td><a href="ft2-glyph_management.html#ft_glyph_bbox_xxx">ft_glyph_bbox_gridfit</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Face_Internal">FT_Face_Internal</a></td><td><a href="ft2-outline_processing.html#FT_Outline_Translate">FT_Outline_Translate</a></td><td><a href="ft2-glyph_management.html#ft_glyph_bbox_xxx">ft_glyph_bbox_pixels</a></td></tr>
<tr><td><a href="ft2-version.html#FT_Face_SetUnpatentedHinting">FT_Face_SetUnpatentedHinting</a></td><td><a href="ft2-glyph_management.html#FT_OutlineGlyph">FT_OutlineGlyph</a></td><td><a href="ft2-glyph_management.html#ft_glyph_bbox_xxx">ft_glyph_bbox_subpixels</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_FaceRec">FT_FaceRec</a></td><td><a href="ft2-glyph_management.html#FT_OutlineGlyphRec">FT_OutlineGlyphRec</a></td><td><a href="ft2-glyph_management.html#ft_glyph_bbox_xxx">ft_glyph_bbox_truncate</a></td></tr>
<tr><td><a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a></td><td><a href="ft2-sfnt_names.html#FT_PARAM_TAG_IGNORE_PREFERRED_FAMILY">FT_PARAM_TAG_IGNORE_PREFERRED_FAMILY</a></td><td><a href="ft2-glyph_management.html#ft_glyph_bbox_xxx">ft_glyph_bbox_unscaled</a></td></tr>
<tr><td><a href="ft2-computations.html#FT_FloorFix">FT_FloorFix</a></td><td><a href="ft2-sfnt_names.html#FT_PARAM_TAG_IGNORE_PREFERRED_SUBFAMILY">FT_PARAM_TAG_IGNORE_PREFERRED_SUBFAMILY</a></td><td><a href="ft2-glyph_management.html#ft_glyph_bbox_xxx">ft_glyph_bbox_xxx</a></td></tr>
<tr><td><a href="ft2-header_file_macros.html#FT_FREETYPE_H">FT_FREETYPE_H</a></td><td><a href="ft2-incremental.html#FT_PARAM_TAG_INCREMENTAL">FT_PARAM_TAG_INCREMENTAL</a></td><td><a href="ft2-basic_types.html#ft_glyph_format_xxx">ft_glyph_format_bitmap</a></td></tr>
<tr><td><a href="ft2-system_interface.html#FT_Free_Func">FT_Free_Func</a></td><td><a href="ft2-truetype_tables.html#FT_PARAM_TAG_UNPATENTED_HINTING">FT_PARAM_TAG_UNPATENTED_HINTING</a></td><td><a href="ft2-basic_types.html#ft_glyph_format_xxx">ft_glyph_format_composite</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_FSTYPE_XXX">FT_FSTYPE_BITMAP_EMBEDDING_ONLY</a></td><td><a href="ft2-basic_types.html#FT_Palette_Mode">FT_Palette_Mode</a></td><td><a href="ft2-basic_types.html#ft_glyph_format_xxx">ft_glyph_format_none</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_FSTYPE_XXX">FT_FSTYPE_EDITABLE_EMBEDDING</a></td><td><a href="ft2-base_interface.html#FT_Parameter">FT_Parameter</a></td><td><a href="ft2-basic_types.html#ft_glyph_format_xxx">ft_glyph_format_outline</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_FSTYPE_XXX">FT_FSTYPE_INSTALLABLE_EMBEDDING</a></td><td><a href="ft2-header_file_macros.html#FT_PFR_H">FT_PFR_H</a></td><td><a href="ft2-basic_types.html#ft_glyph_format_xxx">ft_glyph_format_plotter</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_FSTYPE_XXX">FT_FSTYPE_NO_SUBSETTING</a></td><td><a href="ft2-basic_types.html#FT_Pixel_Mode">FT_PIXEL_MODE_BGRA</a></td><td><a href="ft2-basic_types.html#ft_glyph_format_xxx">ft_glyph_format_xxx</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_FSTYPE_XXX">FT_FSTYPE_PREVIEW_AND_PRINT_EMBEDDING</a></td><td><a href="ft2-basic_types.html#FT_Pixel_Mode">FT_PIXEL_MODE_GRAY</a></td><td><a href="ft2-base_interface.html#ft_kerning_default">ft_kerning_default</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_FSTYPE_XXX">FT_FSTYPE_RESTRICTED_LICENSE_EMBEDDING</a></td><td><a href="ft2-basic_types.html#FT_Pixel_Mode">FT_PIXEL_MODE_GRAY2</a></td><td><a href="ft2-base_interface.html#ft_kerning_unfitted">ft_kerning_unfitted</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_FSTYPE_XXX">FT_FSTYPE_XXX</a></td><td><a href="ft2-basic_types.html#FT_Pixel_Mode">FT_PIXEL_MODE_GRAY4</a></td><td><a href="ft2-base_interface.html#ft_kerning_unscaled">ft_kerning_unscaled</a></td></tr>
<tr><td><a href="ft2-basic_types.html#FT_FWord">FT_FWord</a></td><td><a href="ft2-basic_types.html#FT_Pixel_Mode">FT_PIXEL_MODE_LCD</a></td><td><a href="ft2-base_interface.html#FT_OPEN_XXX">ft_open_driver</a></td></tr>
<tr><td><a href="ft2-gasp_table.html#FT_GASP_XXX">FT_GASP_DO_GRAY</a></td><td><a href="ft2-basic_types.html#FT_Pixel_Mode">FT_PIXEL_MODE_LCD_V</a></td><td><a href="ft2-base_interface.html#FT_OPEN_XXX">ft_open_memory</a></td></tr>
<tr><td><a href="ft2-gasp_table.html#FT_GASP_XXX">FT_GASP_DO_GRIDFIT</a></td><td><a href="ft2-basic_types.html#FT_Pixel_Mode">FT_PIXEL_MODE_MONO</a></td><td><a href="ft2-base_interface.html#FT_OPEN_XXX">ft_open_params</a></td></tr>
<tr><td><a href="ft2-header_file_macros.html#FT_GASP_H">FT_GASP_H</a></td><td><a href="ft2-basic_types.html#FT_Pixel_Mode">FT_PIXEL_MODE_NONE</a></td><td><a href="ft2-base_interface.html#FT_OPEN_XXX">ft_open_pathname</a></td></tr>
<tr><td><a href="ft2-gasp_table.html#FT_GASP_XXX">FT_GASP_NO_TABLE</a></td><td><a href="ft2-basic_types.html#FT_Pixel_Mode">FT_Pixel_Mode</a></td><td><a href="ft2-base_interface.html#FT_OPEN_XXX">ft_open_stream</a></td></tr>
<tr><td><a href="ft2-gasp_table.html#FT_GASP_XXX">FT_GASP_SYMMETRIC_GRIDFIT</a></td><td><a href="ft2-basic_types.html#FT_Pointer">FT_Pointer</a></td><td><a href="ft2-outline_processing.html#ft_outline_flags">ft_outline_even_odd_fill</a></td></tr>
<tr><td><a href="ft2-gasp_table.html#FT_GASP_XXX">FT_GASP_SYMMETRIC_SMOOTHING</a></td><td><a href="ft2-basic_types.html#FT_Pos">FT_Pos</a></td><td><a href="ft2-outline_processing.html#ft_outline_flags">ft_outline_flags</a></td></tr>
<tr><td><a href="ft2-gasp_table.html#FT_GASP_XXX">FT_GASP_XXX</a></td><td><a href="ft2-auto_hinter.html#FT_Prop_GlyphToScriptMap">FT_Prop_GlyphToScriptMap</a></td><td><a href="ft2-outline_processing.html#ft_outline_flags">ft_outline_high_precision</a></td></tr>
<tr><td><a href="ft2-basic_types.html#FT_Generic">FT_Generic</a></td><td><a href="ft2-auto_hinter.html#FT_Prop_IncreaseXHeight">FT_Prop_IncreaseXHeight</a></td><td><a href="ft2-outline_processing.html#ft_outline_flags">ft_outline_ignore_dropouts</a></td></tr>
<tr><td><a href="ft2-basic_types.html#FT_Generic_Finalizer">FT_Generic_Finalizer</a></td><td><a href="ft2-module_management.html#FT_Property_Get">FT_Property_Get</a></td><td><a href="ft2-outline_processing.html#ft_outline_flags">ft_outline_none</a></td></tr>
<tr><td><a href="ft2-quick_advance.html#FT_Get_Advance">FT_Get_Advance</a></td><td><a href="ft2-module_management.html#FT_Property_Set">FT_Property_Set</a></td><td><a href="ft2-outline_processing.html#ft_outline_flags">ft_outline_owner</a></td></tr>
<tr><td><a href="ft2-quick_advance.html#FT_Get_Advances">FT_Get_Advances</a></td><td><a href="ft2-bdf_fonts.html#FT_PropertyType">FT_PropertyType</a></td><td><a href="ft2-outline_processing.html#ft_outline_flags">ft_outline_reverse_fill</a></td></tr>
<tr><td><a href="ft2-bdf_fonts.html#FT_Get_BDF_Charset_ID">FT_Get_BDF_Charset_ID</a></td><td><a href="ft2-basic_types.html#FT_PtrDist">FT_PtrDist</a></td><td><a href="ft2-outline_processing.html#ft_outline_flags">ft_outline_single_pass</a></td></tr>
<tr><td><a href="ft2-bdf_fonts.html#FT_Get_BDF_Property">FT_Get_BDF_Property</a></td><td><a href="ft2-raster.html#FT_RASTER_FLAG_XXX">FT_RASTER_FLAG_AA</a></td><td><a href="ft2-basic_types.html#FT_Palette_Mode">ft_palette_mode_rgb</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Get_Char_Index">FT_Get_Char_Index</a></td><td><a href="ft2-raster.html#FT_RASTER_FLAG_XXX">FT_RASTER_FLAG_CLIP</a></td><td><a href="ft2-basic_types.html#FT_Palette_Mode">ft_palette_mode_rgba</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Get_Charmap_Index">FT_Get_Charmap_Index</a></td><td><a href="ft2-raster.html#FT_RASTER_FLAG_XXX">FT_RASTER_FLAG_DEFAULT</a></td><td><a href="ft2-basic_types.html#ft_pixel_mode_xxx">ft_pixel_mode_grays</a></td></tr>
<tr><td><a href="ft2-cid_fonts.html#FT_Get_CID_From_Glyph_Index">FT_Get_CID_From_Glyph_Index</a></td><td><a href="ft2-raster.html#FT_RASTER_FLAG_XXX">FT_RASTER_FLAG_DIRECT</a></td><td><a href="ft2-basic_types.html#ft_pixel_mode_xxx">ft_pixel_mode_mono</a></td></tr>
<tr><td><a href="ft2-cid_fonts.html#FT_Get_CID_Is_Internally_CID_Keyed">FT_Get_CID_Is_Internally_CID_Keyed</a></td><td><a href="ft2-raster.html#FT_RASTER_FLAG_XXX">FT_RASTER_FLAG_XXX</a></td><td><a href="ft2-basic_types.html#ft_pixel_mode_xxx">ft_pixel_mode_none</a></td></tr>
<tr><td><a href="ft2-cid_fonts.html#FT_Get_CID_Registry_Ordering_Supplement">FT_Get_CID_Registry_Ordering_Supplement</a></td><td><a href="ft2-raster.html#FT_Raster">FT_Raster</a></td><td><a href="ft2-basic_types.html#ft_pixel_mode_xxx">ft_pixel_mode_pal2</a></td></tr>
<tr><td><a href="ft2-truetype_tables.html#FT_Get_CMap_Format">FT_Get_CMap_Format</a></td><td><a href="ft2-raster.html#FT_Raster_BitSet_Func">FT_Raster_BitSet_Func</a></td><td><a href="ft2-basic_types.html#ft_pixel_mode_xxx">ft_pixel_mode_pal4</a></td></tr>
<tr><td><a href="ft2-truetype_tables.html#FT_Get_CMap_Language_ID">FT_Get_CMap_Language_ID</a></td><td><a href="ft2-raster.html#FT_Raster_BitTest_Func">FT_Raster_BitTest_Func</a></td><td><a href="ft2-basic_types.html#ft_pixel_mode_xxx">ft_pixel_mode_xxx</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Get_First_Char">FT_Get_First_Char</a></td><td><a href="ft2-raster.html#FT_Raster_DoneFunc">FT_Raster_DoneFunc</a></td><td><a href="ft2-base_interface.html#ft_render_mode_xxx">ft_render_mode_mono</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Get_FSType_Flags">FT_Get_FSType_Flags</a></td><td><a href="ft2-raster.html#FT_Raster_Funcs">FT_Raster_Funcs</a></td><td><a href="ft2-base_interface.html#ft_render_mode_xxx">ft_render_mode_normal</a></td></tr>
<tr><td><a href="ft2-gasp_table.html#FT_Get_Gasp">FT_Get_Gasp</a></td><td><a href="ft2-raster.html#FT_Raster_NewFunc">FT_Raster_NewFunc</a></td><td><a href="ft2-base_interface.html#ft_render_mode_xxx">ft_render_mode_xxx</a></td></tr>
<tr><td><a href="ft2-glyph_management.html#FT_Get_Glyph">FT_Get_Glyph</a></td><td><a href="ft2-raster.html#FT_Raster_Params">FT_Raster_Params</a></td><td><a href="ft2-auto_hinter.html#glyph-to-script-map">glyph-to-script-map</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Get_Glyph_Name">FT_Get_Glyph_Name</a></td><td><a href="ft2-raster.html#FT_Raster_RenderFunc">FT_Raster_RenderFunc</a></td><td><a href="ft2-cff_driver.html#hinting-engine">hinting-engine</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Get_Kerning">FT_Get_Kerning</a></td><td><a href="ft2-raster.html#FT_Raster_ResetFunc">FT_Raster_ResetFunc</a></td><td><a href="ft2-auto_hinter.html#increase-x-height">increase-x-height</a></td></tr>
<tr><td><a href="ft2-multiple_masters.html#FT_Get_MM_Var">FT_Get_MM_Var</a></td><td><a href="ft2-raster.html#FT_Raster_SetModeFunc">FT_Raster_SetModeFunc</a></td><td><a href="ft2-tt_driver.html#interpreter-version">interpreter-version</a></td></tr>
<tr><td><a href="ft2-module_management.html#FT_Get_Module">FT_Get_Module</a></td><td><a href="ft2-header_file_macros.html#FT_RENDER_H">FT_RENDER_H</a></td><td><a href="ft2-cff_driver.html#no-stem-darkening">no-stem-darkening</a></td></tr>
<tr><td><a href="ft2-multiple_masters.html#FT_Get_Multi_Master">FT_Get_Multi_Master</a></td><td><a href="ft2-base_interface.html#FT_Render_Mode">FT_RENDER_MODE_LCD</a></td><td><a href="ft2-type1_tables.html#PS_Dict_Keys">PS_Dict_Keys</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Get_Name_Index">FT_Get_Name_Index</a></td><td><a href="ft2-base_interface.html#FT_Render_Mode">FT_RENDER_MODE_LCD_V</a></td><td><a href="ft2-type1_tables.html#PS_FontInfo">PS_FontInfo</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Get_Next_Char">FT_Get_Next_Char</a></td><td><a href="ft2-base_interface.html#FT_Render_Mode">FT_RENDER_MODE_LIGHT</a></td><td><a href="ft2-type1_tables.html#PS_FontInfoRec">PS_FontInfoRec</a></td></tr>
<tr><td><a href="ft2-pfr_fonts.html#FT_Get_PFR_Advance">FT_Get_PFR_Advance</a></td><td><a href="ft2-base_interface.html#FT_Render_Mode">FT_RENDER_MODE_MONO</a></td><td><a href="ft2-type1_tables.html#PS_Private">PS_Private</a></td></tr>
<tr><td><a href="ft2-pfr_fonts.html#FT_Get_PFR_Kerning">FT_Get_PFR_Kerning</a></td><td><a href="ft2-base_interface.html#FT_Render_Mode">FT_RENDER_MODE_NORMAL</a></td><td><a href="ft2-type1_tables.html#PS_PrivateRec">PS_PrivateRec</a></td></tr>
<tr><td><a href="ft2-pfr_fonts.html#FT_Get_PFR_Metrics">FT_Get_PFR_Metrics</a></td><td><a href="ft2-system_interface.html#FT_Realloc_Func">FT_Realloc_Func</a></td><td><a href="ft2-type1_tables.html#T1_Blend_Flags">T1_Blend_Flags</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Get_Postscript_Name">FT_Get_Postscript_Name</a></td><td><a href="ft2-base_interface.html#FT_Reference_Face">FT_Reference_Face</a></td><td><a href="ft2-type1_tables.html#T1_EncodingType">T1_EncodingType</a></td></tr>
<tr><td><a href="ft2-type1_tables.html#FT_Get_PS_Font_Info">FT_Get_PS_Font_Info</a></td><td><a href="ft2-module_management.html#FT_Reference_Library">FT_Reference_Library</a></td><td><a href="ft2-type1_tables.html#T1_FontInfo">T1_FontInfo</a></td></tr>
<tr><td><a href="ft2-type1_tables.html#FT_Get_PS_Font_Private">FT_Get_PS_Font_Private</a></td><td><a href="ft2-module_management.html#FT_Remove_Module">FT_Remove_Module</a></td><td><a href="ft2-type1_tables.html#T1_Private">T1_Private</a></td></tr>
<tr><td><a href="ft2-type1_tables.html#FT_Get_PS_Font_Value">FT_Get_PS_Font_Value</a></td><td><a href="ft2-base_interface.html#FT_Render_Glyph">FT_Render_Glyph</a></td><td><a href="ft2-truetype_tables.html#TT_ADOBE_ID_XXX">TT_ADOBE_ID_CUSTOM</a></td></tr>
<tr><td><a href="ft2-module_management.html#FT_Get_Renderer">FT_Get_Renderer</a></td><td><a href="ft2-base_interface.html#FT_Render_Mode">FT_Render_Mode</a></td><td><a href="ft2-truetype_tables.html#TT_ADOBE_ID_XXX">TT_ADOBE_ID_EXPERT</a></td></tr>
<tr><td><a href="ft2-sfnt_names.html#FT_Get_Sfnt_Name">FT_Get_Sfnt_Name</a></td><td><a href="ft2-base_interface.html#FT_Renderer">FT_Renderer</a></td><td><a href="ft2-truetype_tables.html#TT_ADOBE_ID_XXX">TT_ADOBE_ID_LATIN_1</a></td></tr>
<tr><td><a href="ft2-sfnt_names.html#FT_Get_Sfnt_Name_Count">FT_Get_Sfnt_Name_Count</a></td><td><a href="ft2-module_management.html#FT_Renderer_Class">FT_Renderer_Class</a></td><td><a href="ft2-truetype_tables.html#TT_ADOBE_ID_XXX">TT_ADOBE_ID_STANDARD</a></td></tr>
<tr><td><a href="ft2-truetype_tables.html#FT_Get_Sfnt_Table">FT_Get_Sfnt_Table</a></td><td><a href="ft2-base_interface.html#FT_Request_Size">FT_Request_Size</a></td><td><a href="ft2-truetype_tables.html#TT_ADOBE_ID_XXX">TT_ADOBE_ID_XXX</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Get_SubGlyph_Info">FT_Get_SubGlyph_Info</a></td><td><a href="ft2-computations.html#FT_RoundFix">FT_RoundFix</a></td><td><a href="ft2-truetype_tables.html#TT_APPLE_ID_XXX">TT_APPLE_ID_DEFAULT</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Get_Track_Kerning">FT_Get_Track_Kerning</a></td><td><a href="ft2-base_interface.html#FT_Select_Charmap">FT_Select_Charmap</a></td><td><a href="ft2-truetype_tables.html#TT_APPLE_ID_XXX">TT_APPLE_ID_ISO_10646</a></td></tr>
<tr><td><a href="ft2-truetype_engine.html#FT_Get_TrueType_Engine_Type">FT_Get_TrueType_Engine_Type</a></td><td><a href="ft2-base_interface.html#FT_Select_Size">FT_Select_Size</a></td><td><a href="ft2-truetype_tables.html#TT_APPLE_ID_XXX">TT_APPLE_ID_UNICODE_1_1</a></td></tr>
<tr><td><a href="ft2-winfnt_fonts.html#FT_Get_WinFNT_Header">FT_Get_WinFNT_Header</a></td><td><a href="ft2-base_interface.html#FT_Set_Char_Size">FT_Set_Char_Size</a></td><td><a href="ft2-truetype_tables.html#TT_APPLE_ID_XXX">TT_APPLE_ID_UNICODE_2_0</a></td></tr>
<tr><td><a href="ft2-font_formats.html#FT_Get_X11_Font_Format">FT_Get_X11_Font_Format</a></td><td><a href="ft2-base_interface.html#FT_Set_Charmap">FT_Set_Charmap</a></td><td><a href="ft2-truetype_tables.html#TT_APPLE_ID_XXX">TT_APPLE_ID_UNICODE_32</a></td></tr>
<tr><td><a href="ft2-mac_specific.html#FT_GetFile_From_Mac_ATS_Name">FT_GetFile_From_Mac_ATS_Name</a></td><td><a href="ft2-module_management.html#FT_Set_Debug_Hook">FT_Set_Debug_Hook</a></td><td><a href="ft2-truetype_tables.html#TT_APPLE_ID_XXX">TT_APPLE_ID_VARIANT_SELECTOR</a></td></tr>
<tr><td><a href="ft2-mac_specific.html#FT_GetFile_From_Mac_Name">FT_GetFile_From_Mac_Name</a></td><td><a href="ft2-multiple_masters.html#FT_Set_MM_Blend_Coordinates">FT_Set_MM_Blend_Coordinates</a></td><td><a href="ft2-truetype_tables.html#TT_APPLE_ID_XXX">TT_APPLE_ID_XXX</a></td></tr>
<tr><td><a href="ft2-mac_specific.html#FT_GetFilePath_From_Mac_ATS_Name">FT_GetFilePath_From_Mac_ATS_Name</a></td><td><a href="ft2-multiple_masters.html#FT_Set_MM_Design_Coordinates">FT_Set_MM_Design_Coordinates</a></td><td><a href="ft2-truetype_tables.html#TT_Header">TT_Header</a></td></tr>
<tr><td><a href="ft2-glyph_management.html#FT_Glyph_BBox_Mode">FT_GLYPH_BBOX_GRIDFIT</a></td><td><a href="ft2-base_interface.html#FT_Set_Pixel_Sizes">FT_Set_Pixel_Sizes</a></td><td><a href="ft2-truetype_tables.html#TT_HoriHeader">TT_HoriHeader</a></td></tr>
<tr><td><a href="ft2-glyph_management.html#FT_Glyph_BBox_Mode">FT_GLYPH_BBOX_PIXELS</a></td><td><a href="ft2-module_management.html#FT_Set_Renderer">FT_Set_Renderer</a></td><td><a href="ft2-tt_driver.html#TT_INTERPRETER_VERSION_XXX">TT_INTERPRETER_VERSION_35</a></td></tr>
<tr><td><a href="ft2-glyph_management.html#FT_Glyph_BBox_Mode">FT_GLYPH_BBOX_SUBPIXELS</a></td><td><a href="ft2-base_interface.html#FT_Set_Transform">FT_Set_Transform</a></td><td><a href="ft2-tt_driver.html#TT_INTERPRETER_VERSION_XXX">TT_INTERPRETER_VERSION_38</a></td></tr>
<tr><td><a href="ft2-glyph_management.html#FT_Glyph_BBox_Mode">FT_GLYPH_BBOX_TRUNCATE</a></td><td><a href="ft2-multiple_masters.html#FT_Set_Var_Blend_Coordinates">FT_Set_Var_Blend_Coordinates</a></td><td><a href="ft2-tt_driver.html#TT_INTERPRETER_VERSION_XXX">TT_INTERPRETER_VERSION_XXX</a></td></tr>
<tr><td><a href="ft2-glyph_management.html#FT_Glyph_BBox_Mode">FT_GLYPH_BBOX_UNSCALED</a></td><td><a href="ft2-multiple_masters.html#FT_Set_Var_Design_Coordinates">FT_Set_Var_Design_Coordinates</a></td><td><a href="ft2-truetype_tables.html#TT_ISO_ID_XXX">TT_ISO_ID_10646</a></td></tr>
<tr><td><a href="ft2-basic_types.html#FT_Glyph_Format">FT_GLYPH_FORMAT_BITMAP</a></td><td><a href="ft2-header_file_macros.html#FT_SFNT_NAMES_H">FT_SFNT_NAMES_H</a></td><td><a href="ft2-truetype_tables.html#TT_ISO_ID_XXX">TT_ISO_ID_7BIT_ASCII</a></td></tr>
<tr><td><a href="ft2-basic_types.html#FT_Glyph_Format">FT_GLYPH_FORMAT_COMPOSITE</a></td><td><a href="ft2-truetype_tables.html#FT_Sfnt_Table_Info">FT_Sfnt_Table_Info</a></td><td><a href="ft2-truetype_tables.html#TT_ISO_ID_XXX">TT_ISO_ID_8859_1</a></td></tr>
<tr><td><a href="ft2-basic_types.html#FT_Glyph_Format">FT_GLYPH_FORMAT_NONE</a></td><td><a href="ft2-truetype_tables.html#FT_Sfnt_Tag">FT_Sfnt_Tag</a></td><td><a href="ft2-truetype_tables.html#TT_ISO_ID_XXX">TT_ISO_ID_XXX</a></td></tr>
<tr><td><a href="ft2-basic_types.html#FT_Glyph_Format">FT_GLYPH_FORMAT_OUTLINE</a></td><td><a href="ft2-sfnt_names.html#FT_SfntName">FT_SfntName</a></td><td><a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_ARABIC</a></td></tr>
<tr><td><a href="ft2-basic_types.html#FT_Glyph_Format">FT_GLYPH_FORMAT_PLOTTER</a></td><td><a href="ft2-basic_types.html#FT_Short">FT_Short</a></td><td><a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_ARMENIAN</a></td></tr>
<tr><td><a href="ft2-header_file_macros.html#FT_GLYPH_H">FT_GLYPH_H</a></td><td><a href="ft2-base_interface.html#FT_Size_Request_Type">FT_SIZE_REQUEST_TYPE_BBOX</a></td><td><a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_BENGALI</a></td></tr>
<tr><td><a href="ft2-glyph_management.html#FT_Glyph">FT_Glyph</a></td><td><a href="ft2-base_interface.html#FT_Size_Request_Type">FT_SIZE_REQUEST_TYPE_CELL</a></td><td><a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_BURMESE</a></td></tr>
<tr><td><a href="ft2-glyph_management.html#FT_Glyph_BBox_Mode">FT_Glyph_BBox_Mode</a></td><td><a href="ft2-base_interface.html#FT_Size_Request_Type">FT_SIZE_REQUEST_TYPE_NOMINAL</a></td><td><a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_DEVANAGARI</a></td></tr>
<tr><td><a href="ft2-glyph_management.html#FT_Glyph_Copy">FT_Glyph_Copy</a></td><td><a href="ft2-base_interface.html#FT_Size_Request_Type">FT_SIZE_REQUEST_TYPE_REAL_DIM</a></td><td><a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_GEEZ</a></td></tr>
<tr><td><a href="ft2-basic_types.html#FT_Glyph_Format">FT_Glyph_Format</a></td><td><a href="ft2-base_interface.html#FT_Size_Request_Type">FT_SIZE_REQUEST_TYPE_SCALES</a></td><td><a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_GEORGIAN</a></td></tr>
<tr><td><a href="ft2-glyph_management.html#FT_Glyph_Get_CBox">FT_Glyph_Get_CBox</a></td><td><a href="ft2-header_file_macros.html#FT_SIZES_H">FT_SIZES_H</a></td><td><a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_GREEK</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Glyph_Metrics">FT_Glyph_Metrics</a></td><td><a href="ft2-computations.html#FT_Sin">FT_Sin</a></td><td><a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_GUJARATI</a></td></tr>
<tr><td><a href="ft2-glyph_stroker.html#FT_Glyph_Stroke">FT_Glyph_Stroke</a></td><td><a href="ft2-base_interface.html#FT_Size">FT_Size</a></td><td><a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_GURMUKHI</a></td></tr>
<tr><td><a href="ft2-glyph_stroker.html#FT_Glyph_StrokeBorder">FT_Glyph_StrokeBorder</a></td><td><a href="ft2-base_interface.html#FT_Size_Internal">FT_Size_Internal</a></td><td><a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_HEBREW</a></td></tr>
<tr><td><a href="ft2-glyph_management.html#FT_Glyph_To_Bitmap">FT_Glyph_To_Bitmap</a></td><td><a href="ft2-base_interface.html#FT_Size_Metrics">FT_Size_Metrics</a></td><td><a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_JAPANESE</a></td></tr>
<tr><td><a href="ft2-glyph_management.html#FT_Glyph_Transform">FT_Glyph_Transform</a></td><td><a href="ft2-base_interface.html#FT_Size_Request">FT_Size_Request</a></td><td><a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_KANNADA</a></td></tr>
<tr><td><a href="ft2-glyph_management.html#FT_GlyphRec">FT_GlyphRec</a></td><td><a href="ft2-base_interface.html#FT_Size_Request_Type">FT_Size_Request_Type</a></td><td><a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_KHMER</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_GlyphSlot">FT_GlyphSlot</a></td><td><a href="ft2-base_interface.html#FT_Size_RequestRec">FT_Size_RequestRec</a></td><td><a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_KOREAN</a></td></tr>
<tr><td><a href="ft2-bitmap_handling.html#FT_GlyphSlot_Own_Bitmap">FT_GlyphSlot_Own_Bitmap</a></td><td><a href="ft2-base_interface.html#FT_SizeRec">FT_SizeRec</a></td><td><a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_LAOTIAN</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_GlyphSlotRec">FT_GlyphSlotRec</a></td><td><a href="ft2-base_interface.html#FT_Slot_Internal">FT_Slot_Internal</a></td><td><a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_MALAYALAM</a></td></tr>
<tr><td><a href="ft2-header_file_macros.html#FT_GX_VALIDATE_H">FT_GX_VALIDATE_H</a></td><td><a href="ft2-raster.html#FT_Span">FT_Span</a></td><td><a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_MALDIVIAN</a></td></tr>
<tr><td><a href="ft2-header_file_macros.html#FT_GZIP_H">FT_GZIP_H</a></td><td><a href="ft2-raster.html#FT_SpanFunc">FT_SpanFunc</a></td><td><a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_MONGOLIAN</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_HAS_FAST_GLYPHS">FT_HAS_FAST_GLYPHS</a></td><td><a href="ft2-glyph_stroker.html#FT_StrokerBorder">FT_STROKER_BORDER_LEFT</a></td><td><a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_ORIYA</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_HAS_FIXED_SIZES">FT_HAS_FIXED_SIZES</a></td><td><a href="ft2-glyph_stroker.html#FT_StrokerBorder">FT_STROKER_BORDER_RIGHT</a></td><td><a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_ROMAN</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_HAS_GLYPH_NAMES">FT_HAS_GLYPH_NAMES</a></td><td><a href="ft2-header_file_macros.html#FT_STROKER_H">FT_STROKER_H</a></td><td><a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_RSYMBOL</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_HAS_HORIZONTAL">FT_HAS_HORIZONTAL</a></td><td><a href="ft2-glyph_stroker.html#FT_Stroker_LineCap">FT_STROKER_LINECAP_BUTT</a></td><td><a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_RUSSIAN</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_HAS_KERNING">FT_HAS_KERNING</a></td><td><a href="ft2-glyph_stroker.html#FT_Stroker_LineCap">FT_STROKER_LINECAP_ROUND</a></td><td><a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_SIMPLIFIED_CHINESE</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_HAS_MULTIPLE_MASTERS">FT_HAS_MULTIPLE_MASTERS</a></td><td><a href="ft2-glyph_stroker.html#FT_Stroker_LineCap">FT_STROKER_LINECAP_SQUARE</a></td><td><a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_SINDHI</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_HAS_VERTICAL">FT_HAS_VERTICAL</a></td><td><a href="ft2-glyph_stroker.html#FT_Stroker_LineJoin">FT_STROKER_LINEJOIN_BEVEL</a></td><td><a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_SINHALESE</a></td></tr>
<tr><td><a href="ft2-type1_tables.html#FT_Has_PS_Glyph_Names">FT_Has_PS_Glyph_Names</a></td><td><a href="ft2-glyph_stroker.html#FT_Stroker_LineJoin">FT_STROKER_LINEJOIN_MITER</a></td><td><a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_SLAVIC</a></td></tr>
<tr><td><a href="ft2-header_file_macros.html#FT_IMAGE_H">FT_IMAGE_H</a></td><td><a href="ft2-glyph_stroker.html#FT_Stroker_LineJoin">FT_STROKER_LINEJOIN_MITER_FIXED</a></td><td><a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_TAMIL</a></td></tr>
<tr><td><a href="ft2-basic_types.html#FT_IMAGE_TAG">FT_IMAGE_TAG</a></td><td><a href="ft2-glyph_stroker.html#FT_Stroker_LineJoin">FT_STROKER_LINEJOIN_MITER_VARIABLE</a></td><td><a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_TELUGU</a></td></tr>
<tr><td><a href="ft2-header_file_macros.html#FT_INCREMENTAL_H">FT_INCREMENTAL_H</a></td><td><a href="ft2-glyph_stroker.html#FT_Stroker_LineJoin">FT_STROKER_LINEJOIN_ROUND</a></td><td><a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_THAI</a></td></tr>
<tr><td><a href="ft2-incremental.html#FT_Incremental">FT_Incremental</a></td><td><a href="ft2-base_interface.html#FT_STYLE_FLAG_XXX">FT_STYLE_FLAG_BOLD</a></td><td><a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_TIBETAN</a></td></tr>
<tr><td><a href="ft2-incremental.html#FT_Incremental_FreeGlyphDataFunc">FT_Incremental_FreeGlyphDataFunc</a></td><td><a href="ft2-base_interface.html#FT_STYLE_FLAG_XXX">FT_STYLE_FLAG_ITALIC</a></td><td><a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_TRADITIONAL_CHINESE</a></td></tr>
<tr><td><a href="ft2-incremental.html#FT_Incremental_FuncsRec">FT_Incremental_FuncsRec</a></td><td><a href="ft2-base_interface.html#FT_STYLE_FLAG_XXX">FT_STYLE_FLAG_XXX</a></td><td><a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_UNINTERP</a></td></tr>
<tr><td><a href="ft2-incremental.html#FT_Incremental_GetGlyphDataFunc">FT_Incremental_GetGlyphDataFunc</a></td><td><a href="ft2-system_interface.html#FT_Stream">FT_Stream</a></td><td><a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_VIETNAMESE</a></td></tr>
<tr><td><a href="ft2-incremental.html#FT_Incremental_GetGlyphMetricsFunc">FT_Incremental_GetGlyphMetricsFunc</a></td><td><a href="ft2-system_interface.html#FT_Stream_CloseFunc">FT_Stream_CloseFunc</a></td><td><a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_XXX</a></td></tr>
<tr><td><a href="ft2-incremental.html#FT_Incremental_Interface">FT_Incremental_Interface</a></td><td><a href="ft2-system_interface.html#FT_Stream_IoFunc">FT_Stream_IoFunc</a></td><td><a href="ft2-truetype_tables.html#TT_MaxProfile">TT_MaxProfile</a></td></tr>
<tr><td><a href="ft2-incremental.html#FT_Incremental_InterfaceRec">FT_Incremental_InterfaceRec</a></td><td><a href="ft2-bzip2.html#FT_Stream_OpenBzip2">FT_Stream_OpenBzip2</a></td><td><a href="ft2-truetype_tables.html#TT_MS_ID_XXX">TT_MS_ID_BIG_5</a></td></tr>
<tr><td><a href="ft2-incremental.html#FT_Incremental_Metrics">FT_Incremental_Metrics</a></td><td><a href="ft2-gzip.html#FT_Stream_OpenGzip">FT_Stream_OpenGzip</a></td><td><a href="ft2-truetype_tables.html#TT_MS_ID_XXX">TT_MS_ID_GB2312</a></td></tr>
<tr><td><a href="ft2-incremental.html#FT_Incremental_MetricsRec">FT_Incremental_MetricsRec</a></td><td><a href="ft2-lzw.html#FT_Stream_OpenLZW">FT_Stream_OpenLZW</a></td><td><a href="ft2-truetype_tables.html#TT_MS_ID_XXX">TT_MS_ID_JOHAB</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Init_FreeType">FT_Init_FreeType</a></td><td><a href="ft2-system_interface.html#FT_StreamDesc">FT_StreamDesc</a></td><td><a href="ft2-truetype_tables.html#TT_MS_ID_XXX">TT_MS_ID_SJIS</a></td></tr>
<tr><td><a href="ft2-basic_types.html#FT_Int">FT_Int</a></td><td><a href="ft2-system_interface.html#FT_StreamRec">FT_StreamRec</a></td><td><a href="ft2-truetype_tables.html#TT_MS_ID_XXX">TT_MS_ID_SYMBOL_CS</a></td></tr>
<tr><td><a href="ft2-basic_types.html#FT_Int16">FT_Int16</a></td><td><a href="ft2-basic_types.html#FT_String">FT_String</a></td><td><a href="ft2-truetype_tables.html#TT_MS_ID_XXX">TT_MS_ID_UCS_4</a></td></tr>
<tr><td><a href="ft2-basic_types.html#FT_Int32">FT_Int32</a></td><td><a href="ft2-glyph_stroker.html#FT_Stroker">FT_Stroker</a></td><td><a href="ft2-truetype_tables.html#TT_MS_ID_XXX">TT_MS_ID_UNICODE_CS</a></td></tr>
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<tr><td><a href="ft2-base_interface.html#FT_IS_CID_KEYED">FT_IS_CID_KEYED</a></td><td><a href="ft2-glyph_stroker.html#FT_Stroker_ConicTo">FT_Stroker_ConicTo</a></td><td><a href="ft2-truetype_tables.html#TT_MS_ID_XXX">TT_MS_ID_XXX</a></td></tr>
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<tr><td><a href="ft2-base_interface.html#FT_IS_SCALABLE">FT_IS_SCALABLE</a></td><td><a href="ft2-glyph_stroker.html#FT_Stroker_Done">FT_Stroker_Done</a></td><td><a href="ft2-truetype_tables.html#TT_PCLT">TT_PCLT</a></td></tr>
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<tr><td><a href="ft2-base_interface.html#FT_IS_TRICKY">FT_IS_TRICKY</a></td><td><a href="ft2-glyph_stroker.html#FT_Stroker_Export">FT_Stroker_Export</a></td><td><a href="ft2-truetype_tables.html#TT_PLATFORM_XXX">TT_PLATFORM_APPLE_UNICODE</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Kerning_Mode">FT_KERNING_DEFAULT</a></td><td><a href="ft2-glyph_stroker.html#FT_Stroker_ExportBorder">FT_Stroker_ExportBorder</a></td><td><a href="ft2-truetype_tables.html#TT_PLATFORM_XXX">TT_PLATFORM_CUSTOM</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Kerning_Mode">FT_KERNING_UNFITTED</a></td><td><a href="ft2-glyph_stroker.html#FT_Stroker_GetBorderCounts">FT_Stroker_GetBorderCounts</a></td><td><a href="ft2-truetype_tables.html#TT_PLATFORM_XXX">TT_PLATFORM_ISO</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Kerning_Mode">FT_KERNING_UNSCALED</a></td><td><a href="ft2-glyph_stroker.html#FT_Stroker_GetCounts">FT_Stroker_GetCounts</a></td><td><a href="ft2-truetype_tables.html#TT_PLATFORM_XXX">TT_PLATFORM_MACINTOSH</a></td></tr>
<tr><td><a href="ft2-base_interface.html#FT_Kerning_Mode">FT_Kerning_Mode</a></td><td><a href="ft2-glyph_stroker.html#FT_Stroker_LineCap">FT_Stroker_LineCap</a></td><td><a href="ft2-truetype_tables.html#TT_PLATFORM_XXX">TT_PLATFORM_MICROSOFT</a></td></tr>
<tr><td><a href="ft2-lcd_filtering.html#FT_LcdFilter">FT_LCD_FILTER_DEFAULT</a></td><td><a href="ft2-glyph_stroker.html#FT_Stroker_LineJoin">FT_Stroker_LineJoin</a></td><td><a href="ft2-truetype_tables.html#TT_PLATFORM_XXX">TT_PLATFORM_XXX</a></td></tr>
<tr><td><a href="ft2-header_file_macros.html#FT_LCD_FILTER_H">FT_LCD_FILTER_H</a></td><td><a href="ft2-glyph_stroker.html#FT_Stroker_LineTo">FT_Stroker_LineTo</a></td><td><a href="ft2-truetype_tables.html#TT_Postscript">TT_Postscript</a></td></tr>
<tr><td><a href="ft2-lcd_filtering.html#FT_LcdFilter">FT_LCD_FILTER_LEGACY</a></td><td><a href="ft2-glyph_stroker.html#FT_Stroker_New">FT_Stroker_New</a></td><td><a href="ft2-truetype_tables.html#TT_VertHeader">TT_VertHeader</a></td></tr>
</table>
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<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<center><font size=-2>generated on Wed Jun 19 23:29:20 2013</font></center></body>
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<center><h1>FreeType-2.5.0 API Reference</h1></center>
<center><h1>
LCD Filtering
</h1></center>
<h2>Synopsis</h2>
<table align=center cellspacing=5 cellpadding=0 border=0>
<tr><td></td><td><a href="#FT_LcdFilter">FT_LcdFilter</a></td><td></td><td><a href="#FT_Library_SetLcdFilterWeights">FT_Library_SetLcdFilterWeights</a></td></tr>
<tr><td></td><td><a href="#FT_Library_SetLcdFilter">FT_Library_SetLcdFilter</a></td><td></td><td></td></tr>
</table><br><br>
<table align=center width="87%"><tr><td>
<p>The <a href="ft2-lcd_filtering.html#FT_Library_SetLcdFilter">FT_Library_SetLcdFilter</a> API can be used to specify a low-pass filter which is then applied to LCD-optimized bitmaps generated through <a href="ft2-base_interface.html#FT_Render_Glyph">FT_Render_Glyph</a>. This is useful to reduce color fringes which would occur with unfiltered rendering.</p>
<p>Note that no filter is active by default, and that this function is <b>not</b> implemented in default builds of the library. You need to #define FT_CONFIG_OPTION_SUBPIXEL_RENDERING in your &lsquo;ftoption.h&rsquo; file in order to activate it.</p>
<p>FreeType generates alpha coverage maps, which are linear by nature. For instance, the value 0x80 in bitmap representation means that (within numerical precision) 0x80/0xff fraction of that pixel is covered by the glyph's outline. The blending function for placing text over a background is</p>
<pre class="colored">
dst = alpha * src + (1 - alpha) * dst ,
</pre>
<p>which is known as OVER. However, when calculating the output of the OVER operator, the source colors should first be transformed to a linear color space, then alpha blended in that space, and transformed back to the output color space.</p>
<p>When linear light blending is used, the default FIR5 filtering weights (as given by FT_LCD_FILTER_DEFAULT) are no longer optimal, as they have been designed for black on white rendering while lacking gamma correction. To preserve color neutrality, weights for a FIR5 filter should be chosen according to two free parameters &lsquo;a&rsquo; and &lsquo;c&rsquo;, and the FIR weights should be</p>
<pre class="colored">
[a - c, a + c, 2 * a, a + c, a - c] .
</pre>
<p>This formula generates equal weights for all the color primaries across the filter kernel, which makes it colorless. One suggested set of weights is</p>
<pre class="colored">
[0x10, 0x50, 0x60, 0x50, 0x10] ,
</pre>
<p>where &lsquo;a&rsquo; has value 0x30 and &lsquo;b&rsquo; value 0x20. The weights in filter may have a sum larger than 0x100, which increases coloration slightly but also improves contrast.</p>
</td></tr></table><br>
<table align=center width="75%"><tr><td>
<h4><a name="FT_LcdFilter">FT_LcdFilter</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_LCD_FILTER_H (freetype/ftlcdfil.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">enum</span> FT_LcdFilter_
{
<a href="ft2-lcd_filtering.html#FT_LcdFilter">FT_LCD_FILTER_NONE</a> = 0,
<a href="ft2-lcd_filtering.html#FT_LcdFilter">FT_LCD_FILTER_DEFAULT</a> = 1,
<a href="ft2-lcd_filtering.html#FT_LcdFilter">FT_LCD_FILTER_LIGHT</a> = 2,
<a href="ft2-lcd_filtering.html#FT_LcdFilter">FT_LCD_FILTER_LEGACY</a> = 16,
FT_LCD_FILTER_MAX /* do not remove */
} <b>FT_LcdFilter</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A list of values to identify various types of LCD filters.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>values</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>FT_LCD_FILTER_NONE</b></td><td>
<p>Do not perform filtering. When used with subpixel rendering, this results in sometimes severe color fringes.</p>
</td></tr>
<tr valign=top><td><b>FT_LCD_FILTER_DEFAULT</b></td><td>
<p>The default filter reduces color fringes considerably, at the cost of a slight blurriness in the output.</p>
</td></tr>
<tr valign=top><td><b>FT_LCD_FILTER_LIGHT</b></td><td>
<p>The light filter is a variant that produces less blurriness at the cost of slightly more color fringes than the default one. It might be better, depending on taste, your monitor, or your personal vision.</p>
</td></tr>
<tr valign=top><td><b>FT_LCD_FILTER_LEGACY</b></td><td>
<p>This filter corresponds to the original libXft color filter. It provides high contrast output but can exhibit really bad color fringes if glyphs are not extremely well hinted to the pixel grid. In other words, it only works well if the TrueType bytecode interpreter is enabled <b>and</b> high-quality hinted fonts are used.</p>
<p>This filter is only provided for comparison purposes, and might be disabled or stay unsupported in the future.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>since</b></em></td></tr><tr><td>
<p>2.3.0</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Library_SetLcdFilter">FT_Library_SetLcdFilter</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_LCD_FILTER_H (freetype/ftlcdfil.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Library_SetLcdFilter</b>( <a href="ft2-base_interface.html#FT_Library">FT_Library</a> library,
<a href="ft2-lcd_filtering.html#FT_LcdFilter">FT_LcdFilter</a> filter );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>This function is used to apply color filtering to LCD decimated bitmaps, like the ones used when calling <a href="ft2-base_interface.html#FT_Render_Glyph">FT_Render_Glyph</a> with <a href="ft2-base_interface.html#FT_Render_Mode">FT_RENDER_MODE_LCD</a> or <a href="ft2-base_interface.html#FT_Render_Mode">FT_RENDER_MODE_LCD_V</a>.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>library</b></td><td>
<p>A handle to the target library instance.</p>
</td></tr>
<tr valign=top><td><b>filter</b></td><td>
<p>The filter type.</p>
<p>You can use <a href="ft2-lcd_filtering.html#FT_LcdFilter">FT_LCD_FILTER_NONE</a> here to disable this feature, or <a href="ft2-lcd_filtering.html#FT_LcdFilter">FT_LCD_FILTER_DEFAULT</a> to use a default filter that should work well on most LCD screens.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>This feature is always disabled by default. Clients must make an explicit call to this function with a &lsquo;filter&rsquo; value other than <a href="ft2-lcd_filtering.html#FT_LcdFilter">FT_LCD_FILTER_NONE</a> in order to enable it.</p>
<p>Due to <b>PATENTS</b> covering subpixel rendering, this function doesn't do anything except returning &lsquo;FT_Err_Unimplemented_Feature&rsquo; if the configuration macro FT_CONFIG_OPTION_SUBPIXEL_RENDERING is not defined in your build of the library, which should correspond to all default builds of FreeType.</p>
<p>The filter affects glyph bitmaps rendered through <a href="ft2-base_interface.html#FT_Render_Glyph">FT_Render_Glyph</a>, <a href="ft2-outline_processing.html#FT_Outline_Get_Bitmap">FT_Outline_Get_Bitmap</a>, <a href="ft2-base_interface.html#FT_Load_Glyph">FT_Load_Glyph</a>, and <a href="ft2-base_interface.html#FT_Load_Char">FT_Load_Char</a>.</p>
<p>It does <i>not</i> affect the output of <a href="ft2-outline_processing.html#FT_Outline_Render">FT_Outline_Render</a> and <a href="ft2-outline_processing.html#FT_Outline_Get_Bitmap">FT_Outline_Get_Bitmap</a>.</p>
<p>If this feature is activated, the dimensions of LCD glyph bitmaps are either larger or taller than the dimensions of the corresponding outline with regards to the pixel grid. For example, for <a href="ft2-base_interface.html#FT_Render_Mode">FT_RENDER_MODE_LCD</a>, the filter adds up to 3&nbsp;pixels to the left, and up to 3&nbsp;pixels to the right.</p>
<p>The bitmap offset values are adjusted correctly, so clients shouldn't need to modify their layout and glyph positioning code when enabling the filter.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>since</b></em></td></tr><tr><td>
<p>2.3.0</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
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<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Library_SetLcdFilterWeights">FT_Library_SetLcdFilterWeights</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_LCD_FILTER_H (freetype/ftlcdfil.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Library_SetLcdFilterWeights</b>( <a href="ft2-base_interface.html#FT_Library">FT_Library</a> library,
<span class="keyword">unsigned</span> <span class="keyword">char</span> *weights );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Use this function to override the filter weights selected by <a href="ft2-lcd_filtering.html#FT_Library_SetLcdFilter">FT_Library_SetLcdFilter</a>. By default, FreeType uses the quintuple (0x00, 0x55, 0x56, 0x55, 0x00) for FT_LCD_FILTER_LIGHT, and (0x10, 0x40, 0x70, 0x40, 0x10) for FT_LCD_FILTER_DEFAULT and FT_LCD_FILTER_LEGACY.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>library</b></td><td>
<p>A handle to the target library instance.</p>
</td></tr>
<tr valign=top><td><b>weights</b></td><td>
<p>A pointer to an array; the function copies the first five bytes and uses them to specify the filter weights.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>Due to <b>PATENTS</b> covering subpixel rendering, this function doesn't do anything except returning &lsquo;FT_Err_Unimplemented_Feature&rsquo; if the configuration macro FT_CONFIG_OPTION_SUBPIXEL_RENDERING is not defined in your build of the library, which should correspond to all default builds of FreeType.</p>
<p>This function must be called after <a href="ft2-lcd_filtering.html#FT_Library_SetLcdFilter">FT_Library_SetLcdFilter</a> to have any effect.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>since</b></em></td></tr><tr><td>
<p>2.4.0</p>
</td></tr></table>
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<center><h1>FreeType-2.5.0 API Reference</h1></center>
<center><h1>
List Processing
</h1></center>
<h2>Synopsis</h2>
<table align=center cellspacing=5 cellpadding=0 border=0>
<tr><td></td><td><a href="#FT_List">FT_List</a></td><td></td><td><a href="#FT_List_Add">FT_List_Add</a></td><td></td><td><a href="#FT_List_Iterate">FT_List_Iterate</a></td></tr>
<tr><td></td><td><a href="#FT_ListNode">FT_ListNode</a></td><td></td><td><a href="#FT_List_Insert">FT_List_Insert</a></td><td></td><td><a href="#FT_List_Destructor">FT_List_Destructor</a></td></tr>
<tr><td></td><td><a href="#FT_ListRec">FT_ListRec</a></td><td></td><td><a href="#FT_List_Remove">FT_List_Remove</a></td><td></td><td><a href="#FT_List_Finalize">FT_List_Finalize</a></td></tr>
<tr><td></td><td><a href="#FT_ListNodeRec">FT_ListNodeRec</a></td><td></td><td><a href="#FT_List_Up">FT_List_Up</a></td><td></td><td></td></tr>
<tr><td></td><td><a href="#FT_List_Find">FT_List_Find</a></td><td></td><td><a href="#FT_List_Iterator">FT_List_Iterator</a></td><td></td><td></td></tr>
</table><br><br>
<table align=center width="87%"><tr><td>
<p>This section contains various definitions related to list processing using doubly-linked nodes.</p>
</td></tr></table><br>
<table align=center width="75%"><tr><td>
<h4><a name="FT_List">FT_List</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TYPES_H (freetype/fttypes.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> FT_ListRec_* <b>FT_List</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A handle to a list record (see <a href="ft2-list_processing.html#FT_ListRec">FT_ListRec</a>).</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_ListNode">FT_ListNode</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TYPES_H (freetype/fttypes.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> FT_ListNodeRec_* <b>FT_ListNode</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Many elements and objects in FreeType are listed through an <a href="ft2-list_processing.html#FT_List">FT_List</a> record (see <a href="ft2-list_processing.html#FT_ListRec">FT_ListRec</a>). As its name suggests, an FT_ListNode is a handle to a single list element.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_ListRec">FT_ListRec</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TYPES_H (freetype/fttypes.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> FT_ListRec_
{
<a href="ft2-list_processing.html#FT_ListNode">FT_ListNode</a> head;
<a href="ft2-list_processing.html#FT_ListNode">FT_ListNode</a> tail;
} <b>FT_ListRec</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A structure used to hold a simple doubly-linked list. These are used in many parts of FreeType.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>fields</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>head</b></td><td>
<p>The head (first element) of doubly-linked list.</p>
</td></tr>
<tr valign=top><td><b>tail</b></td><td>
<p>The tail (last element) of doubly-linked list.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_ListNodeRec">FT_ListNodeRec</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TYPES_H (freetype/fttypes.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> FT_ListNodeRec_
{
<a href="ft2-list_processing.html#FT_ListNode">FT_ListNode</a> prev;
<a href="ft2-list_processing.html#FT_ListNode">FT_ListNode</a> next;
<span class="keyword">void</span>* data;
} <b>FT_ListNodeRec</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A structure used to hold a single list element.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>fields</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>prev</b></td><td>
<p>The previous element in the list. NULL if first.</p>
</td></tr>
<tr valign=top><td><b>next</b></td><td>
<p>The next element in the list. NULL if last.</p>
</td></tr>
<tr valign=top><td><b>data</b></td><td>
<p>A typeless pointer to the listed object.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_List_Find">FT_List_Find</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_LIST_H (freetype/ftlist.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-list_processing.html#FT_ListNode">FT_ListNode</a> )
<b>FT_List_Find</b>( <a href="ft2-list_processing.html#FT_List">FT_List</a> list,
<span class="keyword">void</span>* data );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Find the list node for a given listed object.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>list</b></td><td>
<p>A pointer to the parent list.</p>
</td></tr>
<tr valign=top><td><b>data</b></td><td>
<p>The address of the listed object.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>List node. NULL if it wasn't found.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_List_Add">FT_List_Add</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_LIST_H (freetype/ftlist.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <span class="keyword">void</span> )
<b>FT_List_Add</b>( <a href="ft2-list_processing.html#FT_List">FT_List</a> list,
<a href="ft2-list_processing.html#FT_ListNode">FT_ListNode</a> node );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Append an element to the end of a list.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>inout</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>list</b></td><td>
<p>A pointer to the parent list.</p>
</td></tr>
<tr valign=top><td><b>node</b></td><td>
<p>The node to append.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_List_Insert">FT_List_Insert</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_LIST_H (freetype/ftlist.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <span class="keyword">void</span> )
<b>FT_List_Insert</b>( <a href="ft2-list_processing.html#FT_List">FT_List</a> list,
<a href="ft2-list_processing.html#FT_ListNode">FT_ListNode</a> node );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Insert an element at the head of a list.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>inout</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>list</b></td><td>
<p>A pointer to parent list.</p>
</td></tr>
<tr valign=top><td><b>node</b></td><td>
<p>The node to insert.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_List_Remove">FT_List_Remove</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_LIST_H (freetype/ftlist.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <span class="keyword">void</span> )
<b>FT_List_Remove</b>( <a href="ft2-list_processing.html#FT_List">FT_List</a> list,
<a href="ft2-list_processing.html#FT_ListNode">FT_ListNode</a> node );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Remove a node from a list. This function doesn't check whether the node is in the list!</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>node</b></td><td>
<p>The node to remove.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>inout</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>list</b></td><td>
<p>A pointer to the parent list.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_List_Up">FT_List_Up</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_LIST_H (freetype/ftlist.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <span class="keyword">void</span> )
<b>FT_List_Up</b>( <a href="ft2-list_processing.html#FT_List">FT_List</a> list,
<a href="ft2-list_processing.html#FT_ListNode">FT_ListNode</a> node );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Move a node to the head/top of a list. Used to maintain LRU lists.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>inout</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>list</b></td><td>
<p>A pointer to the parent list.</p>
</td></tr>
<tr valign=top><td><b>node</b></td><td>
<p>The node to move.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_List_Iterator">FT_List_Iterator</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_LIST_H (freetype/ftlist.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <a href="ft2-basic_types.html#FT_Error">FT_Error</a>
(*<b>FT_List_Iterator</b>)( <a href="ft2-list_processing.html#FT_ListNode">FT_ListNode</a> node,
<span class="keyword">void</span>* user );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>An FT_List iterator function which is called during a list parse by <a href="ft2-list_processing.html#FT_List_Iterate">FT_List_Iterate</a>.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>node</b></td><td>
<p>The current iteration list node.</p>
</td></tr>
<tr valign=top><td><b>user</b></td><td>
<p>A typeless pointer passed to <a href="ft2-list_processing.html#FT_List_Iterate">FT_List_Iterate</a>. Can be used to point to the iteration's state.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_List_Iterate">FT_List_Iterate</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_LIST_H (freetype/ftlist.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_List_Iterate</b>( <a href="ft2-list_processing.html#FT_List">FT_List</a> list,
<a href="ft2-list_processing.html#FT_List_Iterator">FT_List_Iterator</a> iterator,
<span class="keyword">void</span>* user );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Parse a list and calls a given iterator function on each element. Note that parsing is stopped as soon as one of the iterator calls returns a non-zero value.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>list</b></td><td>
<p>A handle to the list.</p>
</td></tr>
<tr valign=top><td><b>iterator</b></td><td>
<p>An iterator function, called on each node of the list.</p>
</td></tr>
<tr valign=top><td><b>user</b></td><td>
<p>A user-supplied field which is passed as the second argument to the iterator.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>The result (a FreeType error code) of the last iterator call.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_List_Destructor">FT_List_Destructor</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_LIST_H (freetype/ftlist.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">void</span>
(*<b>FT_List_Destructor</b>)( <a href="ft2-system_interface.html#FT_Memory">FT_Memory</a> memory,
<span class="keyword">void</span>* data,
<span class="keyword">void</span>* user );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>An <a href="ft2-list_processing.html#FT_List">FT_List</a> iterator function which is called during a list finalization by <a href="ft2-list_processing.html#FT_List_Finalize">FT_List_Finalize</a> to destroy all elements in a given list.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>system</b></td><td>
<p>The current system object.</p>
</td></tr>
<tr valign=top><td><b>data</b></td><td>
<p>The current object to destroy.</p>
</td></tr>
<tr valign=top><td><b>user</b></td><td>
<p>A typeless pointer passed to <a href="ft2-list_processing.html#FT_List_Iterate">FT_List_Iterate</a>. It can be used to point to the iteration's state.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_List_Finalize">FT_List_Finalize</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_LIST_H (freetype/ftlist.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <span class="keyword">void</span> )
<b>FT_List_Finalize</b>( <a href="ft2-list_processing.html#FT_List">FT_List</a> list,
<a href="ft2-list_processing.html#FT_List_Destructor">FT_List_Destructor</a> destroy,
<a href="ft2-system_interface.html#FT_Memory">FT_Memory</a> memory,
<span class="keyword">void</span>* user );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Destroy all elements in the list as well as the list itself.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>list</b></td><td>
<p>A handle to the list.</p>
</td></tr>
<tr valign=top><td><b>destroy</b></td><td>
<p>A list destructor that will be applied to each element of the list.</p>
</td></tr>
<tr valign=top><td><b>memory</b></td><td>
<p>The current memory object which handles deallocation.</p>
</td></tr>
<tr valign=top><td><b>user</b></td><td>
<p>A user-supplied field which is passed as the last argument to the destructor.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>This function expects that all nodes added by <a href="ft2-list_processing.html#FT_List_Add">FT_List_Add</a> or <a href="ft2-list_processing.html#FT_List_Insert">FT_List_Insert</a> have been dynamically allocated.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
</body>
</html>
libs/freetype-2.5.0.1/docs/reference/ft2-lzw.html
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<title>FreeType-2.5.0 API Reference</title>
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<td width="100%"></td>
<td><font size=-1>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<center><h1>FreeType-2.5.0 API Reference</h1></center>
<center><h1>
LZW Streams
</h1></center>
<h2>Synopsis</h2>
<table align=center cellspacing=5 cellpadding=0 border=0>
<tr><td></td><td><a href="#FT_Stream_OpenLZW">FT_Stream_OpenLZW</a></td><td></td><td></td><td></td><td></td><td></td><td></td></tr>
</table><br><br>
<table align=center width="87%"><tr><td>
<p>This section contains the declaration of LZW-specific functions.</p>
</td></tr></table><br>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Stream_OpenLZW">FT_Stream_OpenLZW</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_LZW_H (freetype/ftlzw.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Stream_OpenLZW</b>( <a href="ft2-system_interface.html#FT_Stream">FT_Stream</a> stream,
<a href="ft2-system_interface.html#FT_Stream">FT_Stream</a> source );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Open a new stream to parse LZW-compressed font files. This is mainly used to support the compressed &lsquo;*.pcf.Z&rsquo; fonts that come with XFree86.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>stream</b></td><td>
<p>The target embedding stream.</p>
</td></tr>
<tr valign=top><td><b>source</b></td><td>
<p>The source stream.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>The source stream must be opened <i>before</i> calling this function.</p>
<p>Calling the internal function &lsquo;FT_Stream_Close&rsquo; on the new stream will <b>not</b> call &lsquo;FT_Stream_Close&rsquo; on the source stream. None of the stream objects will be released to the heap.</p>
<p>The stream implementation is very basic and resets the decompression process each time seeking backwards is needed within the stream</p>
<p>In certain builds of the library, LZW compression recognition is automatically handled when calling <a href="ft2-base_interface.html#FT_New_Face">FT_New_Face</a> or <a href="ft2-base_interface.html#FT_Open_Face">FT_Open_Face</a>. This means that if no font driver is capable of handling the raw compressed file, the library will try to open a LZW stream from it and re-open the face with it.</p>
<p>This function may return &lsquo;FT_Err_Unimplemented_Feature&rsquo; if your build of FreeType was not compiled with LZW support.</p>
</td></tr></table>
</td></tr></table>
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<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
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<center><h1>FreeType-2.5.0 API Reference</h1></center>
<center><h1>
Mac Specific Interface
</h1></center>
<h2>Synopsis</h2>
<table align=center cellspacing=5 cellpadding=0 border=0>
<tr><td></td><td><a href="#FT_New_Face_From_FOND">FT_New_Face_From_FOND</a></td><td></td><td><a href="#FT_GetFilePath_From_Mac_ATS_Name">FT_GetFilePath_From_Mac_ATS_Name</a></td></tr>
<tr><td></td><td><a href="#FT_GetFile_From_Mac_Name">FT_GetFile_From_Mac_Name</a></td><td></td><td><a href="#FT_New_Face_From_FSSpec">FT_New_Face_From_FSSpec</a></td></tr>
<tr><td></td><td><a href="#FT_GetFile_From_Mac_ATS_Name">FT_GetFile_From_Mac_ATS_Name</a></td><td></td><td><a href="#FT_New_Face_From_FSRef">FT_New_Face_From_FSRef</a></td></tr>
</table><br><br>
<table align=center width="87%"><tr><td>
<p>The following definitions are only available if FreeType is compiled on a Macintosh.</p>
</td></tr></table><br>
<table align=center width="75%"><tr><td>
<h4><a name="FT_New_Face_From_FOND">FT_New_Face_From_FOND</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MAC_H (freetype/ftmac.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_New_Face_From_FOND</b>( <a href="ft2-base_interface.html#FT_Library">FT_Library</a> library,
Handle fond,
<a href="ft2-basic_types.html#FT_Long">FT_Long</a> face_index,
<a href="ft2-base_interface.html#FT_Face">FT_Face</a> *aface )
FT_DEPRECATED_ATTRIBUTE;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Create a new face object from a FOND resource.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>inout</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>library</b></td><td>
<p>A handle to the library resource.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>fond</b></td><td>
<p>A FOND resource.</p>
</td></tr>
<tr valign=top><td><b>face_index</b></td><td>
<p>Only supported for the -1 &lsquo;sanity check&rsquo; special case.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>aface</b></td><td>
<p>A handle to a new face object.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>notes</b></em></td></tr><tr><td>
<p>This function can be used to create <a href="ft2-base_interface.html#FT_Face">FT_Face</a> objects from fonts that are installed in the system as follows.</p>
<pre class="colored">
fond = GetResource( 'FOND', fontName );
error = FT_New_Face_From_FOND( library, fond, 0, &amp;face );
</pre>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_GetFile_From_Mac_Name">FT_GetFile_From_Mac_Name</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MAC_H (freetype/ftmac.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_GetFile_From_Mac_Name</b>( <span class="keyword">const</span> <span class="keyword">char</span>* fontName,
FSSpec* pathSpec,
<a href="ft2-basic_types.html#FT_Long">FT_Long</a>* face_index )
FT_DEPRECATED_ATTRIBUTE;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Return an FSSpec for the disk file containing the named font.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>fontName</b></td><td>
<p>Mac OS name of the font (e.g., Times New Roman Bold).</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>pathSpec</b></td><td>
<p>FSSpec to the file. For passing to <a href="ft2-mac_specific.html#FT_New_Face_From_FSSpec">FT_New_Face_From_FSSpec</a>.</p>
</td></tr>
<tr valign=top><td><b>face_index</b></td><td>
<p>Index of the face. For passing to <a href="ft2-mac_specific.html#FT_New_Face_From_FSSpec">FT_New_Face_From_FSSpec</a>.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_GetFile_From_Mac_ATS_Name">FT_GetFile_From_Mac_ATS_Name</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MAC_H (freetype/ftmac.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_GetFile_From_Mac_ATS_Name</b>( <span class="keyword">const</span> <span class="keyword">char</span>* fontName,
FSSpec* pathSpec,
<a href="ft2-basic_types.html#FT_Long">FT_Long</a>* face_index )
FT_DEPRECATED_ATTRIBUTE;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Return an FSSpec for the disk file containing the named font.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>fontName</b></td><td>
<p>Mac OS name of the font in ATS framework.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>pathSpec</b></td><td>
<p>FSSpec to the file. For passing to <a href="ft2-mac_specific.html#FT_New_Face_From_FSSpec">FT_New_Face_From_FSSpec</a>.</p>
</td></tr>
<tr valign=top><td><b>face_index</b></td><td>
<p>Index of the face. For passing to <a href="ft2-mac_specific.html#FT_New_Face_From_FSSpec">FT_New_Face_From_FSSpec</a>.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_GetFilePath_From_Mac_ATS_Name">FT_GetFilePath_From_Mac_ATS_Name</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MAC_H (freetype/ftmac.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_GetFilePath_From_Mac_ATS_Name</b>( <span class="keyword">const</span> <span class="keyword">char</span>* fontName,
UInt8* path,
UInt32 maxPathSize,
<a href="ft2-basic_types.html#FT_Long">FT_Long</a>* face_index )
FT_DEPRECATED_ATTRIBUTE;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Return a pathname of the disk file and face index for given font name which is handled by ATS framework.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>fontName</b></td><td>
<p>Mac OS name of the font in ATS framework.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>path</b></td><td>
<p>Buffer to store pathname of the file. For passing to <a href="ft2-base_interface.html#FT_New_Face">FT_New_Face</a>. The client must allocate this buffer before calling this function.</p>
</td></tr>
<tr valign=top><td><b>maxPathSize</b></td><td>
<p>Lengths of the buffer &lsquo;path&rsquo; that client allocated.</p>
</td></tr>
<tr valign=top><td><b>face_index</b></td><td>
<p>Index of the face. For passing to <a href="ft2-base_interface.html#FT_New_Face">FT_New_Face</a>.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_New_Face_From_FSSpec">FT_New_Face_From_FSSpec</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MAC_H (freetype/ftmac.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_New_Face_From_FSSpec</b>( <a href="ft2-base_interface.html#FT_Library">FT_Library</a> library,
<span class="keyword">const</span> FSSpec *spec,
<a href="ft2-basic_types.html#FT_Long">FT_Long</a> face_index,
<a href="ft2-base_interface.html#FT_Face">FT_Face</a> *aface )
FT_DEPRECATED_ATTRIBUTE;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Create a new face object from a given resource and typeface index using an FSSpec to the font file.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>inout</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>library</b></td><td>
<p>A handle to the library resource.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>spec</b></td><td>
<p>FSSpec to the font file.</p>
</td></tr>
<tr valign=top><td><b>face_index</b></td><td>
<p>The index of the face within the resource. The first face has index&nbsp;0.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>aface</b></td><td>
<p>A handle to a new face object.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p><a href="ft2-mac_specific.html#FT_New_Face_From_FSSpec">FT_New_Face_From_FSSpec</a> is identical to <a href="ft2-base_interface.html#FT_New_Face">FT_New_Face</a> except it accepts an FSSpec instead of a path.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_New_Face_From_FSRef">FT_New_Face_From_FSRef</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MAC_H (freetype/ftmac.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_New_Face_From_FSRef</b>( <a href="ft2-base_interface.html#FT_Library">FT_Library</a> library,
<span class="keyword">const</span> FSRef *ref,
<a href="ft2-basic_types.html#FT_Long">FT_Long</a> face_index,
<a href="ft2-base_interface.html#FT_Face">FT_Face</a> *aface )
FT_DEPRECATED_ATTRIBUTE;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Create a new face object from a given resource and typeface index using an FSRef to the font file.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>inout</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>library</b></td><td>
<p>A handle to the library resource.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>spec</b></td><td>
<p>FSRef to the font file.</p>
</td></tr>
<tr valign=top><td><b>face_index</b></td><td>
<p>The index of the face within the resource. The first face has index&nbsp;0.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>aface</b></td><td>
<p>A handle to a new face object.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p><a href="ft2-mac_specific.html#FT_New_Face_From_FSRef">FT_New_Face_From_FSRef</a> is identical to <a href="ft2-base_interface.html#FT_New_Face">FT_New_Face</a> except it accepts an FSRef instead of a path.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
</body>
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<center><h1>FreeType-2.5.0 API Reference</h1></center>
<center><h1>
Module Management
</h1></center>
<h2>Synopsis</h2>
<table align=center cellspacing=5 cellpadding=0 border=0>
<tr><td></td><td><a href="#FT_Module_Constructor">FT_Module_Constructor</a></td><td></td><td><a href="#FT_Remove_Module">FT_Remove_Module</a></td><td></td><td><a href="#FT_Set_Debug_Hook">FT_Set_Debug_Hook</a></td></tr>
<tr><td></td><td><a href="#FT_Module_Destructor">FT_Module_Destructor</a></td><td></td><td><a href="#FT_Property_Set">FT_Property_Set</a></td><td></td><td><a href="#FT_Add_Default_Modules">FT_Add_Default_Modules</a></td></tr>
<tr><td></td><td><a href="#FT_Module_Requester">FT_Module_Requester</a></td><td></td><td><a href="#FT_Property_Get">FT_Property_Get</a></td><td></td><td><a href="#FT_Renderer_Class">FT_Renderer_Class</a></td></tr>
<tr><td></td><td><a href="#FT_Module_Class">FT_Module_Class</a></td><td></td><td><a href="#FT_Reference_Library">FT_Reference_Library</a></td><td></td><td><a href="#FT_Get_Renderer">FT_Get_Renderer</a></td></tr>
<tr><td></td><td><a href="#FT_Add_Module">FT_Add_Module</a></td><td></td><td><a href="#FT_New_Library">FT_New_Library</a></td><td></td><td><a href="#FT_Set_Renderer">FT_Set_Renderer</a></td></tr>
<tr><td></td><td><a href="#FT_Get_Module">FT_Get_Module</a></td><td></td><td><a href="#FT_Done_Library">FT_Done_Library</a></td><td></td><td></td></tr>
</table><br><br>
<table align=center width="87%"><tr><td>
<p>The definitions below are used to manage modules within FreeType. Modules can be added, upgraded, and removed at runtime. Additionally, some module properties can be controlled also.</p>
<p>Here is a list of possible values of the &lsquo;module_name&rsquo; field in the <a href="ft2-module_management.html#FT_Module_Class">FT_Module_Class</a> structure.</p>
<pre class="colored">
autofitter
bdf
cff
gxvalid
otvalid
pcf
pfr
psaux
pshinter
psnames
raster1, raster5
sfnt
smooth, smooth-lcd, smooth-lcdv
truetype
type1
type42
t1cid
winfonts
</pre>
<p>Note that the FreeType Cache sub-system is not a FreeType module.</p>
</td></tr></table><br>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Module_Constructor">FT_Module_Constructor</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MODULE_H (freetype/ftmodapi.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <a href="ft2-basic_types.html#FT_Error">FT_Error</a>
(*<b>FT_Module_Constructor</b>)( <a href="ft2-base_interface.html#FT_Module">FT_Module</a> module );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A function used to initialize (not create) a new module object.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>module</b></td><td>
<p>The module to initialize.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Module_Destructor">FT_Module_Destructor</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MODULE_H (freetype/ftmodapi.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">void</span>
(*<b>FT_Module_Destructor</b>)( <a href="ft2-base_interface.html#FT_Module">FT_Module</a> module );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A function used to finalize (not destroy) a given module object.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>module</b></td><td>
<p>The module to finalize.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Module_Requester">FT_Module_Requester</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MODULE_H (freetype/ftmodapi.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> FT_Module_Interface
(*<b>FT_Module_Requester</b>)( <a href="ft2-base_interface.html#FT_Module">FT_Module</a> module,
<span class="keyword">const</span> <span class="keyword">char</span>* name );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A function used to query a given module for a specific interface.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>module</b></td><td>
<p>The module to be searched.</p>
</td></tr>
<tr valign=top><td><b>name</b></td><td>
<p>The name of the interface in the module.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Module_Class">FT_Module_Class</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MODULE_H (freetype/ftmodapi.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> FT_Module_Class_
{
<a href="ft2-basic_types.html#FT_ULong">FT_ULong</a> module_flags;
<a href="ft2-basic_types.html#FT_Long">FT_Long</a> module_size;
<span class="keyword">const</span> <a href="ft2-basic_types.html#FT_String">FT_String</a>* module_name;
<a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a> module_version;
<a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a> module_requires;
<span class="keyword">const</span> <span class="keyword">void</span>* module_interface;
<a href="ft2-module_management.html#FT_Module_Constructor">FT_Module_Constructor</a> module_init;
<a href="ft2-module_management.html#FT_Module_Destructor">FT_Module_Destructor</a> module_done;
<a href="ft2-module_management.html#FT_Module_Requester">FT_Module_Requester</a> get_interface;
} <b>FT_Module_Class</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>The module class descriptor.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>fields</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>module_flags</b></td><td>
<p>Bit flags describing the module.</p>
</td></tr>
<tr valign=top><td><b>module_size</b></td><td>
<p>The size of one module object/instance in bytes.</p>
</td></tr>
<tr valign=top><td><b>module_name</b></td><td>
<p>The name of the module.</p>
</td></tr>
<tr valign=top><td><b>module_version</b></td><td>
<p>The version, as a 16.16 fixed number (major.minor).</p>
</td></tr>
<tr valign=top><td><b>module_requires</b></td><td>
<p>The version of FreeType this module requires, as a 16.16 fixed number (major.minor). Starts at version 2.0, i.e., 0x20000.</p>
</td></tr>
<tr valign=top><td><b>module_init</b></td><td>
<p>The initializing function.</p>
</td></tr>
<tr valign=top><td><b>module_done</b></td><td>
<p>The finalizing function.</p>
</td></tr>
<tr valign=top><td><b>get_interface</b></td><td>
<p>The interface requesting function.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Add_Module">FT_Add_Module</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MODULE_H (freetype/ftmodapi.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Add_Module</b>( <a href="ft2-base_interface.html#FT_Library">FT_Library</a> library,
<span class="keyword">const</span> <a href="ft2-module_management.html#FT_Module_Class">FT_Module_Class</a>* clazz );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Add a new module to a given library instance.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>inout</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>library</b></td><td>
<p>A handle to the library object.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>clazz</b></td><td>
<p>A pointer to class descriptor for the module.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>An error will be returned if a module already exists by that name, or if the module requires a version of FreeType that is too great.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Get_Module">FT_Get_Module</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MODULE_H (freetype/ftmodapi.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-base_interface.html#FT_Module">FT_Module</a> )
<b>FT_Get_Module</b>( <a href="ft2-base_interface.html#FT_Library">FT_Library</a> library,
<span class="keyword">const</span> <span class="keyword">char</span>* module_name );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Find a module by its name.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>library</b></td><td>
<p>A handle to the library object.</p>
</td></tr>
<tr valign=top><td><b>module_name</b></td><td>
<p>The module's name (as an ASCII string).</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>A module handle. 0&nbsp;if none was found.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>FreeType's internal modules aren't documented very well, and you should look up the source code for details.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Remove_Module">FT_Remove_Module</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MODULE_H (freetype/ftmodapi.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Remove_Module</b>( <a href="ft2-base_interface.html#FT_Library">FT_Library</a> library,
<a href="ft2-base_interface.html#FT_Module">FT_Module</a> module );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Remove a given module from a library instance.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>inout</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>library</b></td><td>
<p>A handle to a library object.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>module</b></td><td>
<p>A handle to a module object.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>The module object is destroyed by the function in case of success.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Property_Set">FT_Property_Set</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MODULE_H (freetype/ftmodapi.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Property_Set</b>( <a href="ft2-base_interface.html#FT_Library">FT_Library</a> library,
<span class="keyword">const</span> <a href="ft2-basic_types.html#FT_String">FT_String</a>* module_name,
<span class="keyword">const</span> <a href="ft2-basic_types.html#FT_String">FT_String</a>* property_name,
<span class="keyword">const</span> <span class="keyword">void</span>* value );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Set a property for a given module.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>library</b></td><td>
<p>A handle to the library the module is part of.</p>
</td></tr>
<tr valign=top><td><b>module_name</b></td><td>
<p>The module name.</p>
</td></tr>
<tr valign=top><td><b>property_name</b></td><td>
<p>The property name. Properties are described in the &lsquo;Synopsis&rsquo; subsection of the module's documentation.</p>
<p>Note that only a few modules have properties.</p>
</td></tr>
<tr valign=top><td><b>value</b></td><td>
<p>A generic pointer to a variable or structure which gives the new value of the property. The exact definition of &lsquo;value&rsquo; is dependent on the property; see the &lsquo;Synopsis&rsquo; subsection of the module's documentation.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>If &lsquo;module_name&rsquo; isn't a valid module name, or &lsquo;property_name&rsquo; doesn't specify a valid property, or if &lsquo;value&rsquo; doesn't represent a valid value for the given property, an error is returned.</p>
<p>The following example sets property &lsquo;bar&rsquo; (a simple integer) in module &lsquo;foo&rsquo; to value&nbsp;1.</p>
<pre class="colored">
FT_UInt bar;
bar = 1;
FT_Property_Set( library, "foo", "bar", &amp;bar );
</pre>
<p>Note that the FreeType Cache sub-system doesn't recognize module property changes. To avoid glyph lookup confusion within the cache you should call <a href="ft2-cache_subsystem.html#FTC_Manager_Reset">FTC_Manager_Reset</a> to completely flush the cache if a module property gets changed after <a href="ft2-cache_subsystem.html#FTC_Manager_New">FTC_Manager_New</a> has been called.</p>
<p>It is not possible to set properties of the FreeType Cache sub-system itself with FT_Property_Set; use ?FTC_Property_Set? instead.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>since</b></em></td></tr><tr><td>
<p>2.4.11</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Property_Get">FT_Property_Get</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MODULE_H (freetype/ftmodapi.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Property_Get</b>( <a href="ft2-base_interface.html#FT_Library">FT_Library</a> library,
<span class="keyword">const</span> <a href="ft2-basic_types.html#FT_String">FT_String</a>* module_name,
<span class="keyword">const</span> <a href="ft2-basic_types.html#FT_String">FT_String</a>* property_name,
<span class="keyword">void</span>* value );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Get a module's property value.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>library</b></td><td>
<p>A handle to the library the module is part of.</p>
</td></tr>
<tr valign=top><td><b>module_name</b></td><td>
<p>The module name.</p>
</td></tr>
<tr valign=top><td><b>property_name</b></td><td>
<p>The property name. Properties are described in the &lsquo;Synopsis&rsquo; subsection of the module's documentation.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>inout</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>value</b></td><td>
<p>A generic pointer to a variable or structure which gives the value of the property. The exact definition of &lsquo;value&rsquo; is dependent on the property; see the &lsquo;Synopsis&rsquo; subsection of the module's documentation.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>If &lsquo;module_name&rsquo; isn't a valid module name, or &lsquo;property_name&rsquo; doesn't specify a valid property, or if &lsquo;value&rsquo; doesn't represent a valid value for the given property, an error is returned.</p>
<p>The following example gets property &lsquo;baz&rsquo; (a range) in module &lsquo;foo&rsquo;.</p>
<pre class="colored">
typedef range_
{
FT_Int32 min;
FT_Int32 max;
} range;
range baz;
FT_Property_Get( library, "foo", "baz", &amp;baz );
</pre>
<p>It is not possible to retrieve properties of the FreeType Cache sub-system with FT_Property_Get; use ?FTC_Property_Get? instead.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>since</b></em></td></tr><tr><td>
<p>2.4.11</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Reference_Library">FT_Reference_Library</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MODULE_H (freetype/ftmodapi.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Reference_Library</b>( <a href="ft2-base_interface.html#FT_Library">FT_Library</a> library );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A counter gets initialized to&nbsp;1 at the time an <a href="ft2-base_interface.html#FT_Library">FT_Library</a> structure is created. This function increments the counter. <a href="ft2-module_management.html#FT_Done_Library">FT_Done_Library</a> then only destroys a library if the counter is&nbsp;1, otherwise it simply decrements the counter.</p>
<p>This function helps in managing life-cycles of structures which reference <a href="ft2-base_interface.html#FT_Library">FT_Library</a> objects.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>library</b></td><td>
<p>A handle to a target library object.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>since</b></em></td></tr><tr><td>
<p>2.4.2</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_New_Library">FT_New_Library</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MODULE_H (freetype/ftmodapi.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_New_Library</b>( <a href="ft2-system_interface.html#FT_Memory">FT_Memory</a> memory,
<a href="ft2-base_interface.html#FT_Library">FT_Library</a> *alibrary );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>This function is used to create a new FreeType library instance from a given memory object. It is thus possible to use libraries with distinct memory allocators within the same program.</p>
<p>Normally, you would call this function (followed by a call to <a href="ft2-module_management.html#FT_Add_Default_Modules">FT_Add_Default_Modules</a> or a series of calls to <a href="ft2-module_management.html#FT_Add_Module">FT_Add_Module</a>) instead of <a href="ft2-base_interface.html#FT_Init_FreeType">FT_Init_FreeType</a> to initialize the FreeType library.</p>
<p>Don't use <a href="ft2-base_interface.html#FT_Done_FreeType">FT_Done_FreeType</a> but <a href="ft2-module_management.html#FT_Done_Library">FT_Done_Library</a> to destroy a library instance.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>memory</b></td><td>
<p>A handle to the original memory object.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>alibrary</b></td><td>
<p>A pointer to handle of a new library object.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>See the discussion of reference counters in the description of <a href="ft2-module_management.html#FT_Reference_Library">FT_Reference_Library</a>.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Done_Library">FT_Done_Library</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MODULE_H (freetype/ftmodapi.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Done_Library</b>( <a href="ft2-base_interface.html#FT_Library">FT_Library</a> library );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Discard a given library object. This closes all drivers and discards all resource objects.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>library</b></td><td>
<p>A handle to the target library.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>See the discussion of reference counters in the description of <a href="ft2-module_management.html#FT_Reference_Library">FT_Reference_Library</a>.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Set_Debug_Hook">FT_Set_Debug_Hook</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MODULE_H (freetype/ftmodapi.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <span class="keyword">void</span> )
<b>FT_Set_Debug_Hook</b>( <a href="ft2-base_interface.html#FT_Library">FT_Library</a> library,
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> hook_index,
FT_DebugHook_Func debug_hook );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Set a debug hook function for debugging the interpreter of a font format.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>inout</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>library</b></td><td>
<p>A handle to the library object.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>hook_index</b></td><td>
<p>The index of the debug hook. You should use the values defined in &lsquo;ftobjs.h&rsquo;, e.g., &lsquo;FT_DEBUG_HOOK_TRUETYPE&rsquo;.</p>
</td></tr>
<tr valign=top><td><b>debug_hook</b></td><td>
<p>The function used to debug the interpreter.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>Currently, four debug hook slots are available, but only two (for the TrueType and the Type&nbsp;1 interpreter) are defined.</p>
<p>Since the internal headers of FreeType are no longer installed, the symbol &lsquo;FT_DEBUG_HOOK_TRUETYPE&rsquo; isn't available publicly. This is a bug and will be fixed in a forthcoming release.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Add_Default_Modules">FT_Add_Default_Modules</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MODULE_H (freetype/ftmodapi.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <span class="keyword">void</span> )
<b>FT_Add_Default_Modules</b>( <a href="ft2-base_interface.html#FT_Library">FT_Library</a> library );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Add the set of default drivers to a given library object. This is only useful when you create a library object with <a href="ft2-module_management.html#FT_New_Library">FT_New_Library</a> (usually to plug a custom memory manager).</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>inout</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>library</b></td><td>
<p>A handle to a new library object.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Renderer_Class">FT_Renderer_Class</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_RENDER_H (freetype/ftrender.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> FT_Renderer_Class_
{
<a href="ft2-module_management.html#FT_Module_Class">FT_Module_Class</a> root;
<a href="ft2-basic_types.html#FT_Glyph_Format">FT_Glyph_Format</a> glyph_format;
FT_Renderer_RenderFunc render_glyph;
FT_Renderer_TransformFunc transform_glyph;
FT_Renderer_GetCBoxFunc get_glyph_cbox;
FT_Renderer_SetModeFunc set_mode;
<a href="ft2-raster.html#FT_Raster_Funcs">FT_Raster_Funcs</a>* raster_class;
} <b>FT_Renderer_Class</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>The renderer module class descriptor.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>fields</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>root</b></td><td>
<p>The root <a href="ft2-module_management.html#FT_Module_Class">FT_Module_Class</a> fields.</p>
</td></tr>
<tr valign=top><td><b>glyph_format</b></td><td>
<p>The glyph image format this renderer handles.</p>
</td></tr>
<tr valign=top><td><b>render_glyph</b></td><td>
<p>A method used to render the image that is in a given glyph slot into a bitmap.</p>
</td></tr>
<tr valign=top><td><b>transform_glyph</b></td><td>
<p>A method used to transform the image that is in a given glyph slot.</p>
</td></tr>
<tr valign=top><td><b>get_glyph_cbox</b></td><td>
<p>A method used to access the glyph's cbox.</p>
</td></tr>
<tr valign=top><td><b>set_mode</b></td><td>
<p>A method used to pass additional parameters.</p>
</td></tr>
<tr valign=top><td><b>raster_class</b></td><td>
<p>For <a href="ft2-basic_types.html#FT_Glyph_Format">FT_GLYPH_FORMAT_OUTLINE</a> renderers only. This is a pointer to its raster's class.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Get_Renderer">FT_Get_Renderer</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_RENDER_H (freetype/ftrender.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-base_interface.html#FT_Renderer">FT_Renderer</a> )
<b>FT_Get_Renderer</b>( <a href="ft2-base_interface.html#FT_Library">FT_Library</a> library,
<a href="ft2-basic_types.html#FT_Glyph_Format">FT_Glyph_Format</a> format );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Retrieve the current renderer for a given glyph format.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>library</b></td><td>
<p>A handle to the library object.</p>
</td></tr>
<tr valign=top><td><b>format</b></td><td>
<p>The glyph format.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>A renderer handle. 0&nbsp;if none found.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>An error will be returned if a module already exists by that name, or if the module requires a version of FreeType that is too great.</p>
<p>To add a new renderer, simply use <a href="ft2-module_management.html#FT_Add_Module">FT_Add_Module</a>. To retrieve a renderer by its name, use <a href="ft2-module_management.html#FT_Get_Module">FT_Get_Module</a>.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Set_Renderer">FT_Set_Renderer</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_RENDER_H (freetype/ftrender.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Set_Renderer</b>( <a href="ft2-base_interface.html#FT_Library">FT_Library</a> library,
<a href="ft2-base_interface.html#FT_Renderer">FT_Renderer</a> renderer,
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> num_params,
<a href="ft2-base_interface.html#FT_Parameter">FT_Parameter</a>* parameters );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Set the current renderer to use, and set additional mode.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>inout</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>library</b></td><td>
<p>A handle to the library object.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>renderer</b></td><td>
<p>A handle to the renderer object.</p>
</td></tr>
<tr valign=top><td><b>num_params</b></td><td>
<p>The number of additional parameters.</p>
</td></tr>
<tr valign=top><td><b>parameters</b></td><td>
<p>Additional parameters.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>In case of success, the renderer will be used to convert glyph images in the renderer's known format into bitmaps.</p>
<p>This doesn't change the current renderer for other formats.</p>
<p>Currently, only the B/W renderer, if compiled with FT_RASTER_OPTION_ANTI_ALIASING (providing a 5-levels anti-aliasing mode; this option must be set directly in &lsquo;ftraster.c&rsquo; and is undefined by default) accepts a single tag &lsquo;pal5&rsquo; to set its gray palette as a character string with 5&nbsp;elements. Consequently, the third and fourth argument are zero normally.</p>
</td></tr></table>
</td></tr></table>
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<center><h1>FreeType-2.5.0 API Reference</h1></center>
<center><h1>
Multiple Masters
</h1></center>
<h2>Synopsis</h2>
<table align=center cellspacing=5 cellpadding=0 border=0>
<tr><td></td><td><a href="#FT_MM_Axis">FT_MM_Axis</a></td><td></td><td><a href="#FT_Get_MM_Var">FT_Get_MM_Var</a></td></tr>
<tr><td></td><td><a href="#FT_Multi_Master">FT_Multi_Master</a></td><td></td><td><a href="#FT_Set_MM_Design_Coordinates">FT_Set_MM_Design_Coordinates</a></td></tr>
<tr><td></td><td><a href="#FT_Var_Axis">FT_Var_Axis</a></td><td></td><td><a href="#FT_Set_Var_Design_Coordinates">FT_Set_Var_Design_Coordinates</a></td></tr>
<tr><td></td><td><a href="#FT_Var_Named_Style">FT_Var_Named_Style</a></td><td></td><td><a href="#FT_Set_MM_Blend_Coordinates">FT_Set_MM_Blend_Coordinates</a></td></tr>
<tr><td></td><td><a href="#FT_MM_Var">FT_MM_Var</a></td><td></td><td><a href="#FT_Set_Var_Blend_Coordinates">FT_Set_Var_Blend_Coordinates</a></td></tr>
<tr><td></td><td><a href="#FT_Get_Multi_Master">FT_Get_Multi_Master</a></td><td></td><td></td></tr>
</table><br><br>
<table align=center width="87%"><tr><td>
<p>The following types and functions are used to manage Multiple Master fonts, i.e., the selection of specific design instances by setting design axis coordinates.</p>
<p>George Williams has extended this interface to make it work with both Type&nbsp;1 Multiple Masters fonts and GX distortable (var) fonts. Some of these routines only work with MM fonts, others will work with both types. They are similar enough that a consistent interface makes sense.</p>
</td></tr></table><br>
<table align=center width="75%"><tr><td>
<h4><a name="FT_MM_Axis">FT_MM_Axis</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MULTIPLE_MASTERS_H (freetype/ftmm.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> FT_MM_Axis_
{
<a href="ft2-basic_types.html#FT_String">FT_String</a>* name;
<a href="ft2-basic_types.html#FT_Long">FT_Long</a> minimum;
<a href="ft2-basic_types.html#FT_Long">FT_Long</a> maximum;
} <b>FT_MM_Axis</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A simple structure used to model a given axis in design space for Multiple Masters fonts.</p>
<p>This structure can't be used for GX var fonts.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>fields</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>name</b></td><td>
<p>The axis's name.</p>
</td></tr>
<tr valign=top><td><b>minimum</b></td><td>
<p>The axis's minimum design coordinate.</p>
</td></tr>
<tr valign=top><td><b>maximum</b></td><td>
<p>The axis's maximum design coordinate.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Multi_Master">FT_Multi_Master</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MULTIPLE_MASTERS_H (freetype/ftmm.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> FT_Multi_Master_
{
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> num_axis;
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> num_designs;
<a href="ft2-multiple_masters.html#FT_MM_Axis">FT_MM_Axis</a> axis[T1_MAX_MM_AXIS];
} <b>FT_Multi_Master</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A structure used to model the axes and space of a Multiple Masters font.</p>
<p>This structure can't be used for GX var fonts.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>fields</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>num_axis</b></td><td>
<p>Number of axes. Cannot exceed&nbsp;4.</p>
</td></tr>
<tr valign=top><td><b>num_designs</b></td><td>
<p>Number of designs; should be normally 2^num_axis even though the Type&nbsp;1 specification strangely allows for intermediate designs to be present. This number cannot exceed&nbsp;16.</p>
</td></tr>
<tr valign=top><td><b>axis</b></td><td>
<p>A table of axis descriptors.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
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<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Var_Axis">FT_Var_Axis</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MULTIPLE_MASTERS_H (freetype/ftmm.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> FT_Var_Axis_
{
<a href="ft2-basic_types.html#FT_String">FT_String</a>* name;
<a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a> minimum;
<a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a> def;
<a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a> maximum;
<a href="ft2-basic_types.html#FT_ULong">FT_ULong</a> tag;
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> strid;
} <b>FT_Var_Axis</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A simple structure used to model a given axis in design space for Multiple Masters and GX var fonts.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>fields</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>name</b></td><td>
<p>The axis's name. Not always meaningful for GX.</p>
</td></tr>
<tr valign=top><td><b>minimum</b></td><td>
<p>The axis's minimum design coordinate.</p>
</td></tr>
<tr valign=top><td><b>def</b></td><td>
<p>The axis's default design coordinate. FreeType computes meaningful default values for MM; it is then an integer value, not in 16.16 format.</p>
</td></tr>
<tr valign=top><td><b>maximum</b></td><td>
<p>The axis's maximum design coordinate.</p>
</td></tr>
<tr valign=top><td><b>tag</b></td><td>
<p>The axis's tag (the GX equivalent to &lsquo;name&rsquo;). FreeType provides default values for MM if possible.</p>
</td></tr>
<tr valign=top><td><b>strid</b></td><td>
<p>The entry in &lsquo;name&rsquo; table (another GX version of &lsquo;name&rsquo;). Not meaningful for MM.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Var_Named_Style">FT_Var_Named_Style</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MULTIPLE_MASTERS_H (freetype/ftmm.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> FT_Var_Named_Style_
{
<a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a>* coords;
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> strid;
} <b>FT_Var_Named_Style</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A simple structure used to model a named style in a GX var font.</p>
<p>This structure can't be used for MM fonts.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>fields</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>coords</b></td><td>
<p>The design coordinates for this style. This is an array with one entry for each axis.</p>
</td></tr>
<tr valign=top><td><b>strid</b></td><td>
<p>The entry in &lsquo;name&rsquo; table identifying this style.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_MM_Var">FT_MM_Var</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MULTIPLE_MASTERS_H (freetype/ftmm.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> FT_MM_Var_
{
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> num_axis;
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> num_designs;
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> num_namedstyles;
<a href="ft2-multiple_masters.html#FT_Var_Axis">FT_Var_Axis</a>* axis;
<a href="ft2-multiple_masters.html#FT_Var_Named_Style">FT_Var_Named_Style</a>* namedstyle;
} <b>FT_MM_Var</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A structure used to model the axes and space of a Multiple Masters or GX var distortable font.</p>
<p>Some fields are specific to one format and not to the other.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>fields</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>num_axis</b></td><td>
<p>The number of axes. The maximum value is&nbsp;4 for MM; no limit in GX.</p>
</td></tr>
<tr valign=top><td><b>num_designs</b></td><td>
<p>The number of designs; should be normally 2^num_axis for MM fonts. Not meaningful for GX (where every glyph could have a different number of designs).</p>
</td></tr>
<tr valign=top><td><b>num_namedstyles</b></td><td>
<p>The number of named styles; only meaningful for GX which allows certain design coordinates to have a string ID (in the &lsquo;name&rsquo; table) associated with them. The font can tell the user that, for example, Weight=1.5 is &lsquo;Bold&rsquo;.</p>
</td></tr>
<tr valign=top><td><b>axis</b></td><td>
<p>A table of axis descriptors. GX fonts contain slightly more data than MM.</p>
</td></tr>
<tr valign=top><td><b>namedstyles</b></td><td>
<p>A table of named styles. Only meaningful with GX.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Get_Multi_Master">FT_Get_Multi_Master</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MULTIPLE_MASTERS_H (freetype/ftmm.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Get_Multi_Master</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
<a href="ft2-multiple_masters.html#FT_Multi_Master">FT_Multi_Master</a> *amaster );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Retrieve the Multiple Master descriptor of a given font.</p>
<p>This function can't be used with GX fonts.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>A handle to the source face.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>amaster</b></td><td>
<p>The Multiple Masters descriptor.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Get_MM_Var">FT_Get_MM_Var</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MULTIPLE_MASTERS_H (freetype/ftmm.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Get_MM_Var</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
<a href="ft2-multiple_masters.html#FT_MM_Var">FT_MM_Var</a>* *amaster );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Retrieve the Multiple Master/GX var descriptor of a given font.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>A handle to the source face.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>amaster</b></td><td>
<p>The Multiple Masters/GX var descriptor. Allocates a data structure, which the user must free (a single call to FT_FREE will do it).</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Set_MM_Design_Coordinates">FT_Set_MM_Design_Coordinates</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MULTIPLE_MASTERS_H (freetype/ftmm.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Set_MM_Design_Coordinates</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> num_coords,
<a href="ft2-basic_types.html#FT_Long">FT_Long</a>* coords );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>For Multiple Masters fonts, choose an interpolated font design through design coordinates.</p>
<p>This function can't be used with GX fonts.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>inout</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>A handle to the source face.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>num_coords</b></td><td>
<p>The number of design coordinates (must be equal to the number of axes in the font).</p>
</td></tr>
<tr valign=top><td><b>coords</b></td><td>
<p>An array of design coordinates.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Set_Var_Design_Coordinates">FT_Set_Var_Design_Coordinates</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MULTIPLE_MASTERS_H (freetype/ftmm.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Set_Var_Design_Coordinates</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> num_coords,
<a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a>* coords );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>For Multiple Master or GX Var fonts, choose an interpolated font design through design coordinates.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>inout</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>A handle to the source face.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>num_coords</b></td><td>
<p>The number of design coordinates (must be equal to the number of axes in the font).</p>
</td></tr>
<tr valign=top><td><b>coords</b></td><td>
<p>An array of design coordinates.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Set_MM_Blend_Coordinates">FT_Set_MM_Blend_Coordinates</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MULTIPLE_MASTERS_H (freetype/ftmm.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Set_MM_Blend_Coordinates</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> num_coords,
<a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a>* coords );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>For Multiple Masters and GX var fonts, choose an interpolated font design through normalized blend coordinates.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>inout</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>A handle to the source face.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>num_coords</b></td><td>
<p>The number of design coordinates (must be equal to the number of axes in the font).</p>
</td></tr>
<tr valign=top><td><b>coords</b></td><td>
<p>The design coordinates array (each element must be between 0 and 1.0).</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Set_Var_Blend_Coordinates">FT_Set_Var_Blend_Coordinates</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MULTIPLE_MASTERS_H (freetype/ftmm.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Set_Var_Blend_Coordinates</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> num_coords,
<a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a>* coords );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>This is another name of <a href="ft2-multiple_masters.html#FT_Set_MM_Blend_Coordinates">FT_Set_MM_Blend_Coordinates</a>.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
</body>
</html>
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<title>FreeType-2.5.0 API Reference</title>
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<table align=center><tr><td><font size=-1>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-1>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<center><h1>FreeType-2.5.0 API Reference</h1></center>
<center><h1>
OpenType Validation
</h1></center>
<h2>Synopsis</h2>
<table align=center cellspacing=5 cellpadding=0 border=0>
<tr><td></td><td><a href="#FT_VALIDATE_OTXXX">FT_VALIDATE_OTXXX</a></td><td></td><td><a href="#FT_OpenType_Validate">FT_OpenType_Validate</a></td><td></td><td><a href="#FT_OpenType_Free">FT_OpenType_Free</a></td></tr>
</table><br><br>
<table align=center width="87%"><tr><td>
<p>This section contains the declaration of functions to validate some OpenType tables (BASE, GDEF, GPOS, GSUB, JSTF, MATH).</p>
</td></tr></table><br>
<table align=center width="75%"><tr><td>
<h4><a name="FT_VALIDATE_OTXXX">FT_VALIDATE_OTXXX</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_OPENTYPE_VALIDATE_H (freetype/ftotval.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <a href="ft2-ot_validation.html#FT_VALIDATE_OTXXX">FT_VALIDATE_BASE</a> 0x0100
#define <a href="ft2-ot_validation.html#FT_VALIDATE_OTXXX">FT_VALIDATE_GDEF</a> 0x0200
#define <a href="ft2-ot_validation.html#FT_VALIDATE_OTXXX">FT_VALIDATE_GPOS</a> 0x0400
#define <a href="ft2-ot_validation.html#FT_VALIDATE_OTXXX">FT_VALIDATE_GSUB</a> 0x0800
#define <a href="ft2-ot_validation.html#FT_VALIDATE_OTXXX">FT_VALIDATE_JSTF</a> 0x1000
#define <a href="ft2-ot_validation.html#FT_VALIDATE_OTXXX">FT_VALIDATE_MATH</a> 0x2000
#define <a href="ft2-ot_validation.html#FT_VALIDATE_OTXXX">FT_VALIDATE_OT</a> <a href="ft2-ot_validation.html#FT_VALIDATE_OTXXX">FT_VALIDATE_BASE</a> | \
<a href="ft2-ot_validation.html#FT_VALIDATE_OTXXX">FT_VALIDATE_GDEF</a> | \
<a href="ft2-ot_validation.html#FT_VALIDATE_OTXXX">FT_VALIDATE_GPOS</a> | \
<a href="ft2-ot_validation.html#FT_VALIDATE_OTXXX">FT_VALIDATE_GSUB</a> | \
<a href="ft2-ot_validation.html#FT_VALIDATE_OTXXX">FT_VALIDATE_JSTF</a> | \
<a href="ft2-ot_validation.html#FT_VALIDATE_OTXXX">FT_VALIDATE_MATH</a>
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A list of bit-field constants used with <a href="ft2-ot_validation.html#FT_OpenType_Validate">FT_OpenType_Validate</a> to indicate which OpenType tables should be validated.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>values</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>FT_VALIDATE_BASE</b></td><td>
<p>Validate BASE table.</p>
</td></tr>
<tr valign=top><td><b>FT_VALIDATE_GDEF</b></td><td>
<p>Validate GDEF table.</p>
</td></tr>
<tr valign=top><td><b>FT_VALIDATE_GPOS</b></td><td>
<p>Validate GPOS table.</p>
</td></tr>
<tr valign=top><td><b>FT_VALIDATE_GSUB</b></td><td>
<p>Validate GSUB table.</p>
</td></tr>
<tr valign=top><td><b>FT_VALIDATE_JSTF</b></td><td>
<p>Validate JSTF table.</p>
</td></tr>
<tr valign=top><td><b>FT_VALIDATE_MATH</b></td><td>
<p>Validate MATH table.</p>
</td></tr>
<tr valign=top><td><b>FT_VALIDATE_OT</b></td><td>
<p>Validate all OpenType tables (BASE, GDEF, GPOS, GSUB, JSTF, MATH).</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_OpenType_Validate">FT_OpenType_Validate</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_OPENTYPE_VALIDATE_H (freetype/ftotval.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_OpenType_Validate</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> validation_flags,
<a href="ft2-basic_types.html#FT_Bytes">FT_Bytes</a> *BASE_table,
<a href="ft2-basic_types.html#FT_Bytes">FT_Bytes</a> *GDEF_table,
<a href="ft2-basic_types.html#FT_Bytes">FT_Bytes</a> *GPOS_table,
<a href="ft2-basic_types.html#FT_Bytes">FT_Bytes</a> *GSUB_table,
<a href="ft2-basic_types.html#FT_Bytes">FT_Bytes</a> *JSTF_table );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Validate various OpenType tables to assure that all offsets and indices are valid. The idea is that a higher-level library which actually does the text layout can access those tables without error checking (which can be quite time consuming).</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>A handle to the input face.</p>
</td></tr>
<tr valign=top><td><b>validation_flags</b></td><td>
<p>A bit field which specifies the tables to be validated. See <a href="ft2-ot_validation.html#FT_VALIDATE_OTXXX">FT_VALIDATE_OTXXX</a> for possible values.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>BASE_table</b></td><td>
<p>A pointer to the BASE table.</p>
</td></tr>
<tr valign=top><td><b>GDEF_table</b></td><td>
<p>A pointer to the GDEF table.</p>
</td></tr>
<tr valign=top><td><b>GPOS_table</b></td><td>
<p>A pointer to the GPOS table.</p>
</td></tr>
<tr valign=top><td><b>GSUB_table</b></td><td>
<p>A pointer to the GSUB table.</p>
</td></tr>
<tr valign=top><td><b>JSTF_table</b></td><td>
<p>A pointer to the JSTF table.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>This function only works with OpenType fonts, returning an error otherwise.</p>
<p>After use, the application should deallocate the five tables with <a href="ft2-ot_validation.html#FT_OpenType_Free">FT_OpenType_Free</a>. A NULL value indicates that the table either doesn't exist in the font, or the application hasn't asked for validation.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_OpenType_Free">FT_OpenType_Free</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_OPENTYPE_VALIDATE_H (freetype/ftotval.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <span class="keyword">void</span> )
<b>FT_OpenType_Free</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
<a href="ft2-basic_types.html#FT_Bytes">FT_Bytes</a> table );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Free the buffer allocated by OpenType validator.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>A handle to the input face.</p>
</td></tr>
<tr valign=top><td><b>table</b></td><td>
<p>The pointer to the buffer that is allocated by <a href="ft2-ot_validation.html#FT_OpenType_Validate">FT_OpenType_Validate</a>.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>This function must be used to free the buffer allocated by <a href="ft2-ot_validation.html#FT_OpenType_Validate">FT_OpenType_Validate</a> only.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
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<center><h1>FreeType-2.5.0 API Reference</h1></center>
<center><h1>
PFR Fonts
</h1></center>
<h2>Synopsis</h2>
<table align=center cellspacing=5 cellpadding=0 border=0>
<tr><td></td><td><a href="#FT_Get_PFR_Metrics">FT_Get_PFR_Metrics</a></td><td></td><td><a href="#FT_Get_PFR_Kerning">FT_Get_PFR_Kerning</a></td><td></td><td><a href="#FT_Get_PFR_Advance">FT_Get_PFR_Advance</a></td></tr>
</table><br><br>
<table align=center width="87%"><tr><td>
<p>This section contains the declaration of PFR-specific functions.</p>
</td></tr></table><br>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Get_PFR_Metrics">FT_Get_PFR_Metrics</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_PFR_H (freetype/ftpfr.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Get_PFR_Metrics</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> *aoutline_resolution,
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> *ametrics_resolution,
<a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a> *ametrics_x_scale,
<a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a> *ametrics_y_scale );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Return the outline and metrics resolutions of a given PFR face.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>Handle to the input face. It can be a non-PFR face.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>aoutline_resolution</b></td><td>
<p>Outline resolution. This is equivalent to &lsquo;face-&gt;units_per_EM&rsquo; for non-PFR fonts. Optional (parameter can be NULL).</p>
</td></tr>
<tr valign=top><td><b>ametrics_resolution</b></td><td>
<p>Metrics resolution. This is equivalent to &lsquo;outline_resolution&rsquo; for non-PFR fonts. Optional (parameter can be NULL).</p>
</td></tr>
<tr valign=top><td><b>ametrics_x_scale</b></td><td>
<p>A 16.16 fixed-point number used to scale distance expressed in metrics units to device sub-pixels. This is equivalent to &lsquo;face-&gt;size-&gt;x_scale&rsquo;, but for metrics only. Optional (parameter can be NULL).</p>
</td></tr>
<tr valign=top><td><b>ametrics_y_scale</b></td><td>
<p>Same as &lsquo;ametrics_x_scale&rsquo; but for the vertical direction. optional (parameter can be NULL).</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>If the input face is not a PFR, this function will return an error. However, in all cases, it will return valid values.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Get_PFR_Kerning">FT_Get_PFR_Kerning</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_PFR_H (freetype/ftpfr.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Get_PFR_Kerning</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> left,
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> right,
<a href="ft2-basic_types.html#FT_Vector">FT_Vector</a> *avector );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Return the kerning pair corresponding to two glyphs in a PFR face. The distance is expressed in metrics units, unlike the result of <a href="ft2-base_interface.html#FT_Get_Kerning">FT_Get_Kerning</a>.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>A handle to the input face.</p>
</td></tr>
<tr valign=top><td><b>left</b></td><td>
<p>Index of the left glyph.</p>
</td></tr>
<tr valign=top><td><b>right</b></td><td>
<p>Index of the right glyph.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>avector</b></td><td>
<p>A kerning vector.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>This function always return distances in original PFR metrics units. This is unlike <a href="ft2-base_interface.html#FT_Get_Kerning">FT_Get_Kerning</a> with the <a href="ft2-base_interface.html#FT_Kerning_Mode">FT_KERNING_UNSCALED</a> mode, which always returns distances converted to outline units.</p>
<p>You can use the value of the &lsquo;x_scale&rsquo; and &lsquo;y_scale&rsquo; parameters returned by <a href="ft2-pfr_fonts.html#FT_Get_PFR_Metrics">FT_Get_PFR_Metrics</a> to scale these to device sub-pixels.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Get_PFR_Advance">FT_Get_PFR_Advance</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_PFR_H (freetype/ftpfr.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Get_PFR_Advance</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> gindex,
<a href="ft2-basic_types.html#FT_Pos">FT_Pos</a> *aadvance );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Return a given glyph advance, expressed in original metrics units, from a PFR font.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>A handle to the input face.</p>
</td></tr>
<tr valign=top><td><b>gindex</b></td><td>
<p>The glyph index.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>aadvance</b></td><td>
<p>The glyph advance in metrics units.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>You can use the &lsquo;x_scale&rsquo; or &lsquo;y_scale&rsquo; results of <a href="ft2-pfr_fonts.html#FT_Get_PFR_Metrics">FT_Get_PFR_Metrics</a> to convert the advance to device sub-pixels (i.e., 1/64th of pixels).</p>
</td></tr></table>
</td></tr></table>
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<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
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<center><h1>FreeType-2.5.0 API Reference</h1></center>
<center><h1>
Quick retrieval of advance values
</h1></center>
<h2>Synopsis</h2>
<table align=center cellspacing=5 cellpadding=0 border=0>
<tr><td></td><td><a href="#FT_ADVANCE_FLAG_FAST_ONLY">FT_ADVANCE_FLAG_FAST_ONLY</a></td><td></td><td><a href="#FT_Get_Advances">FT_Get_Advances</a></td></tr>
<tr><td></td><td><a href="#FT_Get_Advance">FT_Get_Advance</a></td><td></td><td></td></tr>
</table><br><br>
<table align=center width="87%"><tr><td>
<p>This section contains functions to quickly extract advance values without handling glyph outlines, if possible.</p>
</td></tr></table><br>
<table align=center width="75%"><tr><td>
<h4><a name="FT_ADVANCE_FLAG_FAST_ONLY">FT_ADVANCE_FLAG_FAST_ONLY</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_ADVANCES_H (freetype/ftadvanc.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_ADVANCE_FLAG_FAST_ONLY</b> 0x20000000UL
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A bit-flag to be OR-ed with the &lsquo;flags&rsquo; parameter of the <a href="ft2-quick_advance.html#FT_Get_Advance">FT_Get_Advance</a> and <a href="ft2-quick_advance.html#FT_Get_Advances">FT_Get_Advances</a> functions.</p>
<p>If set, it indicates that you want these functions to fail if the corresponding hinting mode or font driver doesn't allow for very quick advance computation.</p>
<p>Typically, glyphs which are either unscaled, unhinted, bitmapped, or light-hinted can have their advance width computed very quickly.</p>
<p>Normal and bytecode hinted modes, which require loading, scaling, and hinting of the glyph outline, are extremely slow by comparison.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Get_Advance">FT_Get_Advance</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_ADVANCES_H (freetype/ftadvanc.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Get_Advance</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> gindex,
<a href="ft2-basic_types.html#FT_Int32">FT_Int32</a> load_flags,
<a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a> *padvance );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Retrieve the advance value of a given glyph outline in an <a href="ft2-base_interface.html#FT_Face">FT_Face</a>.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>The source <a href="ft2-base_interface.html#FT_Face">FT_Face</a> handle.</p>
</td></tr>
<tr valign=top><td><b>gindex</b></td><td>
<p>The glyph index.</p>
</td></tr>
<tr valign=top><td><b>load_flags</b></td><td>
<p>A set of bit flags similar to those used when calling <a href="ft2-base_interface.html#FT_Load_Glyph">FT_Load_Glyph</a>, used to determine what kind of advances you need.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>padvance</b></td><td>
<p>The advance value. If scaling is performed (based on the value of &lsquo;load_flags&rsquo;), the advance value is in 16.16 format. Otherwise, it is in font units.</p>
<p>If <a href="ft2-base_interface.html#FT_LOAD_XXX">FT_LOAD_VERTICAL_LAYOUT</a> is set, this is the vertical advance corresponding to a vertical layout. Otherwise, it is the horizontal advance in a horizontal layout.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0 means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>This function may fail if you use <a href="ft2-quick_advance.html#FT_ADVANCE_FLAG_FAST_ONLY">FT_ADVANCE_FLAG_FAST_ONLY</a> and if the corresponding font backend doesn't have a quick way to retrieve the advances.</p>
<p>A scaled advance is returned in 16.16 format but isn't transformed by the affine transformation specified by <a href="ft2-base_interface.html#FT_Set_Transform">FT_Set_Transform</a>.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Get_Advances">FT_Get_Advances</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_ADVANCES_H (freetype/ftadvanc.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Get_Advances</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> start,
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> count,
<a href="ft2-basic_types.html#FT_Int32">FT_Int32</a> load_flags,
<a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a> *padvances );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Retrieve the advance values of several glyph outlines in an <a href="ft2-base_interface.html#FT_Face">FT_Face</a>.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>The source <a href="ft2-base_interface.html#FT_Face">FT_Face</a> handle.</p>
</td></tr>
<tr valign=top><td><b>start</b></td><td>
<p>The first glyph index.</p>
</td></tr>
<tr valign=top><td><b>count</b></td><td>
<p>The number of advance values you want to retrieve.</p>
</td></tr>
<tr valign=top><td><b>load_flags</b></td><td>
<p>A set of bit flags similar to those used when calling <a href="ft2-base_interface.html#FT_Load_Glyph">FT_Load_Glyph</a>.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>padvance</b></td><td>
<p>The advance values. This array, to be provided by the caller, must contain at least &lsquo;count&rsquo; elements.</p>
<p>If scaling is performed (based on the value of &lsquo;load_flags&rsquo;), the advance values are in 16.16 format. Otherwise, they are in font units.</p>
<p>If <a href="ft2-base_interface.html#FT_LOAD_XXX">FT_LOAD_VERTICAL_LAYOUT</a> is set, these are the vertical advances corresponding to a vertical layout. Otherwise, they are the horizontal advances in a horizontal layout.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0 means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>This function may fail if you use <a href="ft2-quick_advance.html#FT_ADVANCE_FLAG_FAST_ONLY">FT_ADVANCE_FLAG_FAST_ONLY</a> and if the corresponding font backend doesn't have a quick way to retrieve the advances.</p>
<p>Scaled advances are returned in 16.16 format but aren't transformed by the affine transformation specified by <a href="ft2-base_interface.html#FT_Set_Transform">FT_Set_Transform</a>.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
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<center><h1>FreeType-2.5.0 API Reference</h1></center>
<center><h1>
Scanline Converter
</h1></center>
<h2>Synopsis</h2>
<table align=center cellspacing=5 cellpadding=0 border=0>
<tr><td></td><td><a href="#FT_Raster">FT_Raster</a></td><td></td><td><a href="#FT_RASTER_FLAG_XXX">FT_RASTER_FLAG_XXX</a></td><td></td><td><a href="#FT_Raster_SetModeFunc">FT_Raster_SetModeFunc</a></td></tr>
<tr><td></td><td><a href="#FT_Span">FT_Span</a></td><td></td><td><a href="#FT_Raster_Params">FT_Raster_Params</a></td><td></td><td><a href="#FT_Raster_RenderFunc">FT_Raster_RenderFunc</a></td></tr>
<tr><td></td><td><a href="#FT_SpanFunc">FT_SpanFunc</a></td><td></td><td><a href="#FT_Raster_NewFunc">FT_Raster_NewFunc</a></td><td></td><td><a href="#FT_Raster_Funcs">FT_Raster_Funcs</a></td></tr>
<tr><td></td><td><a href="#FT_Raster_BitTest_Func">FT_Raster_BitTest_Func</a></td><td></td><td><a href="#FT_Raster_DoneFunc">FT_Raster_DoneFunc</a></td><td></td><td></td></tr>
<tr><td></td><td><a href="#FT_Raster_BitSet_Func">FT_Raster_BitSet_Func</a></td><td></td><td><a href="#FT_Raster_ResetFunc">FT_Raster_ResetFunc</a></td><td></td><td></td></tr>
</table><br><br>
<table align=center width="87%"><tr><td>
<p>This section contains technical definitions.</p>
</td></tr></table><br>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Raster">FT_Raster</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_IMAGE_H (freetype/ftimage.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> FT_RasterRec_* <b>FT_Raster</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A handle (pointer) to a raster object. Each object can be used independently to convert an outline into a bitmap or pixmap.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Span">FT_Span</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_IMAGE_H (freetype/ftimage.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> FT_Span_
{
<span class="keyword">short</span> x;
<span class="keyword">unsigned</span> <span class="keyword">short</span> len;
<span class="keyword">unsigned</span> <span class="keyword">char</span> coverage;
} <b>FT_Span</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A structure used to model a single span of gray (or black) pixels when rendering a monochrome or anti-aliased bitmap.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>fields</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>x</b></td><td>
<p>The span's horizontal start position.</p>
</td></tr>
<tr valign=top><td><b>len</b></td><td>
<p>The span's length in pixels.</p>
</td></tr>
<tr valign=top><td><b>coverage</b></td><td>
<p>The span color/coverage, ranging from 0 (background) to 255 (foreground). Only used for anti-aliased rendering.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>This structure is used by the span drawing callback type named <a href="ft2-raster.html#FT_SpanFunc">FT_SpanFunc</a> which takes the y&nbsp;coordinate of the span as a a parameter.</p>
<p>The coverage value is always between 0 and 255. If you want less gray values, the callback function has to reduce them.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_SpanFunc">FT_SpanFunc</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_IMAGE_H (freetype/ftimage.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">void</span>
(*<b>FT_SpanFunc</b>)( <span class="keyword">int</span> y,
<span class="keyword">int</span> count,
<span class="keyword">const</span> <a href="ft2-raster.html#FT_Span">FT_Span</a>* spans,
<span class="keyword">void</span>* user );
#define FT_Raster_Span_Func <b>FT_SpanFunc</b>
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A function used as a call-back by the anti-aliased renderer in order to let client applications draw themselves the gray pixel spans on each scan line.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>y</b></td><td>
<p>The scanline's y&nbsp;coordinate.</p>
</td></tr>
<tr valign=top><td><b>count</b></td><td>
<p>The number of spans to draw on this scanline.</p>
</td></tr>
<tr valign=top><td><b>spans</b></td><td>
<p>A table of &lsquo;count&rsquo; spans to draw on the scanline.</p>
</td></tr>
<tr valign=top><td><b>user</b></td><td>
<p>User-supplied data that is passed to the callback.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>This callback allows client applications to directly render the gray spans of the anti-aliased bitmap to any kind of surfaces.</p>
<p>This can be used to write anti-aliased outlines directly to a given background bitmap, and even perform translucency.</p>
<p>Note that the &lsquo;count&rsquo; field cannot be greater than a fixed value defined by the &lsquo;FT_MAX_GRAY_SPANS&rsquo; configuration macro in &lsquo;ftoption.h&rsquo;. By default, this value is set to&nbsp;32, which means that if there are more than 32&nbsp;spans on a given scanline, the callback is called several times with the same &lsquo;y&rsquo; parameter in order to draw all callbacks.</p>
<p>Otherwise, the callback is only called once per scan-line, and only for those scanlines that do have &lsquo;gray&rsquo; pixels on them.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Raster_BitTest_Func">FT_Raster_BitTest_Func</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_IMAGE_H (freetype/ftimage.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">int</span>
(*<b>FT_Raster_BitTest_Func</b>)( <span class="keyword">int</span> y,
<span class="keyword">int</span> x,
<span class="keyword">void</span>* user );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>THIS TYPE IS DEPRECATED. DO NOT USE IT.</p>
<p>A function used as a call-back by the monochrome scan-converter to test whether a given target pixel is already set to the drawing &lsquo;color&rsquo;. These tests are crucial to implement drop-out control per-se the TrueType spec.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>y</b></td><td>
<p>The pixel's y&nbsp;coordinate.</p>
</td></tr>
<tr valign=top><td><b>x</b></td><td>
<p>The pixel's x&nbsp;coordinate.</p>
</td></tr>
<tr valign=top><td><b>user</b></td><td>
<p>User-supplied data that is passed to the callback.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>1&nbsp;if the pixel is &lsquo;set&rsquo;, 0&nbsp;otherwise.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Raster_BitSet_Func">FT_Raster_BitSet_Func</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_IMAGE_H (freetype/ftimage.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">void</span>
(*<b>FT_Raster_BitSet_Func</b>)( <span class="keyword">int</span> y,
<span class="keyword">int</span> x,
<span class="keyword">void</span>* user );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>THIS TYPE IS DEPRECATED. DO NOT USE IT.</p>
<p>A function used as a call-back by the monochrome scan-converter to set an individual target pixel. This is crucial to implement drop-out control according to the TrueType specification.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>y</b></td><td>
<p>The pixel's y&nbsp;coordinate.</p>
</td></tr>
<tr valign=top><td><b>x</b></td><td>
<p>The pixel's x&nbsp;coordinate.</p>
</td></tr>
<tr valign=top><td><b>user</b></td><td>
<p>User-supplied data that is passed to the callback.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>1&nbsp;if the pixel is &lsquo;set&rsquo;, 0&nbsp;otherwise.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_RASTER_FLAG_XXX">FT_RASTER_FLAG_XXX</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_IMAGE_H (freetype/ftimage.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <a href="ft2-raster.html#FT_RASTER_FLAG_XXX">FT_RASTER_FLAG_DEFAULT</a> 0x0
#define <a href="ft2-raster.html#FT_RASTER_FLAG_XXX">FT_RASTER_FLAG_AA</a> 0x1
#define <a href="ft2-raster.html#FT_RASTER_FLAG_XXX">FT_RASTER_FLAG_DIRECT</a> 0x2
#define <a href="ft2-raster.html#FT_RASTER_FLAG_XXX">FT_RASTER_FLAG_CLIP</a> 0x4
/* deprecated */
#define ft_raster_flag_default <a href="ft2-raster.html#FT_RASTER_FLAG_XXX">FT_RASTER_FLAG_DEFAULT</a>
#define ft_raster_flag_aa <a href="ft2-raster.html#FT_RASTER_FLAG_XXX">FT_RASTER_FLAG_AA</a>
#define ft_raster_flag_direct <a href="ft2-raster.html#FT_RASTER_FLAG_XXX">FT_RASTER_FLAG_DIRECT</a>
#define ft_raster_flag_clip <a href="ft2-raster.html#FT_RASTER_FLAG_XXX">FT_RASTER_FLAG_CLIP</a>
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A list of bit flag constants as used in the &lsquo;flags&rsquo; field of a <a href="ft2-raster.html#FT_Raster_Params">FT_Raster_Params</a> structure.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>values</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>FT_RASTER_FLAG_DEFAULT</b></td><td>
<p>This value is 0.</p>
</td></tr>
<tr valign=top><td><b>FT_RASTER_FLAG_AA</b></td><td>
<p>This flag is set to indicate that an anti-aliased glyph image should be generated. Otherwise, it will be monochrome (1-bit).</p>
</td></tr>
<tr valign=top><td><b>FT_RASTER_FLAG_DIRECT</b></td><td>
<p>This flag is set to indicate direct rendering. In this mode, client applications must provide their own span callback. This lets them directly draw or compose over an existing bitmap. If this bit is not set, the target pixmap's buffer <i>must</i> be zeroed before rendering.</p>
<p>Note that for now, direct rendering is only possible with anti-aliased glyphs.</p>
</td></tr>
<tr valign=top><td><b>FT_RASTER_FLAG_CLIP</b></td><td>
<p>This flag is only used in direct rendering mode. If set, the output will be clipped to a box specified in the &lsquo;clip_box&rsquo; field of the <a href="ft2-raster.html#FT_Raster_Params">FT_Raster_Params</a> structure.</p>
<p>Note that by default, the glyph bitmap is clipped to the target pixmap, except in direct rendering mode where all spans are generated if no clipping box is set.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Raster_Params">FT_Raster_Params</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_IMAGE_H (freetype/ftimage.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> FT_Raster_Params_
{
<span class="keyword">const</span> <a href="ft2-basic_types.html#FT_Bitmap">FT_Bitmap</a>* target;
<span class="keyword">const</span> <span class="keyword">void</span>* source;
<span class="keyword">int</span> flags;
<a href="ft2-raster.html#FT_SpanFunc">FT_SpanFunc</a> gray_spans;
<a href="ft2-raster.html#FT_SpanFunc">FT_SpanFunc</a> black_spans; /* doesn't work! */
<a href="ft2-raster.html#FT_Raster_BitTest_Func">FT_Raster_BitTest_Func</a> bit_test; /* doesn't work! */
<a href="ft2-raster.html#FT_Raster_BitSet_Func">FT_Raster_BitSet_Func</a> bit_set; /* doesn't work! */
<span class="keyword">void</span>* user;
<a href="ft2-basic_types.html#FT_BBox">FT_BBox</a> clip_box;
} <b>FT_Raster_Params</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A structure to hold the arguments used by a raster's render function.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>fields</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>target</b></td><td>
<p>The target bitmap.</p>
</td></tr>
<tr valign=top><td><b>source</b></td><td>
<p>A pointer to the source glyph image (e.g., an <a href="ft2-outline_processing.html#FT_Outline">FT_Outline</a>).</p>
</td></tr>
<tr valign=top><td><b>flags</b></td><td>
<p>The rendering flags.</p>
</td></tr>
<tr valign=top><td><b>gray_spans</b></td><td>
<p>The gray span drawing callback.</p>
</td></tr>
<tr valign=top><td><b>black_spans</b></td><td>
<p>The black span drawing callback. UNIMPLEMENTED!</p>
</td></tr>
<tr valign=top><td><b>bit_test</b></td><td>
<p>The bit test callback. UNIMPLEMENTED!</p>
</td></tr>
<tr valign=top><td><b>bit_set</b></td><td>
<p>The bit set callback. UNIMPLEMENTED!</p>
</td></tr>
<tr valign=top><td><b>user</b></td><td>
<p>User-supplied data that is passed to each drawing callback.</p>
</td></tr>
<tr valign=top><td><b>clip_box</b></td><td>
<p>An optional clipping box. It is only used in direct rendering mode. Note that coordinates here should be expressed in <i>integer</i> pixels (and not in 26.6 fixed-point units).</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>An anti-aliased glyph bitmap is drawn if the <a href="ft2-raster.html#FT_RASTER_FLAG_XXX">FT_RASTER_FLAG_AA</a> bit flag is set in the &lsquo;flags&rsquo; field, otherwise a monochrome bitmap is generated.</p>
<p>If the <a href="ft2-raster.html#FT_RASTER_FLAG_XXX">FT_RASTER_FLAG_DIRECT</a> bit flag is set in &lsquo;flags&rsquo;, the raster will call the &lsquo;gray_spans&rsquo; callback to draw gray pixel spans, in the case of an aa glyph bitmap, it will call &lsquo;black_spans&rsquo;, and &lsquo;bit_test&rsquo; and &lsquo;bit_set&rsquo; in the case of a monochrome bitmap. This allows direct composition over a pre-existing bitmap through user-provided callbacks to perform the span drawing/composition.</p>
<p>Note that the &lsquo;bit_test&rsquo; and &lsquo;bit_set&rsquo; callbacks are required when rendering a monochrome bitmap, as they are crucial to implement correct drop-out control as defined in the TrueType specification.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Raster_NewFunc">FT_Raster_NewFunc</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_IMAGE_H (freetype/ftimage.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">int</span>
(*<b>FT_Raster_NewFunc</b>)( <span class="keyword">void</span>* memory,
<a href="ft2-raster.html#FT_Raster">FT_Raster</a>* raster );
#define FT_Raster_New_Func <b>FT_Raster_NewFunc</b>
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A function used to create a new raster object.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>memory</b></td><td>
<p>A handle to the memory allocator.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>raster</b></td><td>
<p>A handle to the new raster object.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>Error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>The &lsquo;memory&rsquo; parameter is a typeless pointer in order to avoid un-wanted dependencies on the rest of the FreeType code. In practice, it is an <a href="ft2-system_interface.html#FT_Memory">FT_Memory</a> object, i.e., a handle to the standard FreeType memory allocator. However, this field can be completely ignored by a given raster implementation.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Raster_DoneFunc">FT_Raster_DoneFunc</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_IMAGE_H (freetype/ftimage.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">void</span>
(*<b>FT_Raster_DoneFunc</b>)( <a href="ft2-raster.html#FT_Raster">FT_Raster</a> raster );
#define FT_Raster_Done_Func <b>FT_Raster_DoneFunc</b>
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A function used to destroy a given raster object.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>raster</b></td><td>
<p>A handle to the raster object.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Raster_ResetFunc">FT_Raster_ResetFunc</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_IMAGE_H (freetype/ftimage.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">void</span>
(*<b>FT_Raster_ResetFunc</b>)( <a href="ft2-raster.html#FT_Raster">FT_Raster</a> raster,
<span class="keyword">unsigned</span> <span class="keyword">char</span>* pool_base,
<span class="keyword">unsigned</span> <span class="keyword">long</span> pool_size );
#define FT_Raster_Reset_Func <b>FT_Raster_ResetFunc</b>
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>FreeType provides an area of memory called the &lsquo;render pool&rsquo;, available to all registered rasters. This pool can be freely used during a given scan-conversion but is shared by all rasters. Its content is thus transient.</p>
<p>This function is called each time the render pool changes, or just after a new raster object is created.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>raster</b></td><td>
<p>A handle to the new raster object.</p>
</td></tr>
<tr valign=top><td><b>pool_base</b></td><td>
<p>The address in memory of the render pool.</p>
</td></tr>
<tr valign=top><td><b>pool_size</b></td><td>
<p>The size in bytes of the render pool.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>Rasters can ignore the render pool and rely on dynamic memory allocation if they want to (a handle to the memory allocator is passed to the raster constructor). However, this is not recommended for efficiency purposes.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Raster_SetModeFunc">FT_Raster_SetModeFunc</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_IMAGE_H (freetype/ftimage.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">int</span>
(*<b>FT_Raster_SetModeFunc</b>)( <a href="ft2-raster.html#FT_Raster">FT_Raster</a> raster,
<span class="keyword">unsigned</span> <span class="keyword">long</span> mode,
<span class="keyword">void</span>* args );
#define FT_Raster_Set_Mode_Func <b>FT_Raster_SetModeFunc</b>
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>This function is a generic facility to change modes or attributes in a given raster. This can be used for debugging purposes, or simply to allow implementation-specific &lsquo;features&rsquo; in a given raster module.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>raster</b></td><td>
<p>A handle to the new raster object.</p>
</td></tr>
<tr valign=top><td><b>mode</b></td><td>
<p>A 4-byte tag used to name the mode or property.</p>
</td></tr>
<tr valign=top><td><b>args</b></td><td>
<p>A pointer to the new mode/property to use.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Raster_RenderFunc">FT_Raster_RenderFunc</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_IMAGE_H (freetype/ftimage.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">int</span>
(*<b>FT_Raster_RenderFunc</b>)( <a href="ft2-raster.html#FT_Raster">FT_Raster</a> raster,
<span class="keyword">const</span> <a href="ft2-raster.html#FT_Raster_Params">FT_Raster_Params</a>* params );
#define FT_Raster_Render_Func <b>FT_Raster_RenderFunc</b>
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Invoke a given raster to scan-convert a given glyph image into a target bitmap.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>raster</b></td><td>
<p>A handle to the raster object.</p>
</td></tr>
<tr valign=top><td><b>params</b></td><td>
<p>A pointer to an <a href="ft2-raster.html#FT_Raster_Params">FT_Raster_Params</a> structure used to store the rendering parameters.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>Error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>The exact format of the source image depends on the raster's glyph format defined in its <a href="ft2-raster.html#FT_Raster_Funcs">FT_Raster_Funcs</a> structure. It can be an <a href="ft2-outline_processing.html#FT_Outline">FT_Outline</a> or anything else in order to support a large array of glyph formats.</p>
<p>Note also that the render function can fail and return a &lsquo;FT_Err_Unimplemented_Feature&rsquo; error code if the raster used does not support direct composition.</p>
<p>XXX: For now, the standard raster doesn't support direct composition but this should change for the final release (see the files &lsquo;demos/src/ftgrays.c&rsquo; and &lsquo;demos/src/ftgrays2.c&rsquo; for examples of distinct implementations which support direct composition).</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Raster_Funcs">FT_Raster_Funcs</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_IMAGE_H (freetype/ftimage.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> FT_Raster_Funcs_
{
<a href="ft2-basic_types.html#FT_Glyph_Format">FT_Glyph_Format</a> glyph_format;
<a href="ft2-raster.html#FT_Raster_NewFunc">FT_Raster_NewFunc</a> raster_new;
<a href="ft2-raster.html#FT_Raster_ResetFunc">FT_Raster_ResetFunc</a> raster_reset;
<a href="ft2-raster.html#FT_Raster_SetModeFunc">FT_Raster_SetModeFunc</a> raster_set_mode;
<a href="ft2-raster.html#FT_Raster_RenderFunc">FT_Raster_RenderFunc</a> raster_render;
<a href="ft2-raster.html#FT_Raster_DoneFunc">FT_Raster_DoneFunc</a> raster_done;
} <b>FT_Raster_Funcs</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A structure used to describe a given raster class to the library.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>fields</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>glyph_format</b></td><td>
<p>The supported glyph format for this raster.</p>
</td></tr>
<tr valign=top><td><b>raster_new</b></td><td>
<p>The raster constructor.</p>
</td></tr>
<tr valign=top><td><b>raster_reset</b></td><td>
<p>Used to reset the render pool within the raster.</p>
</td></tr>
<tr valign=top><td><b>raster_render</b></td><td>
<p>A function to render a glyph into a given bitmap.</p>
</td></tr>
<tr valign=top><td><b>raster_done</b></td><td>
<p>The raster destructor.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
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</body>
</html>
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<center><h1>FreeType-2.5.0 API Reference</h1></center>
<center><h1>
SFNT Names
</h1></center>
<h2>Synopsis</h2>
<table align=center cellspacing=5 cellpadding=0 border=0>
<tr><td></td><td><a href="#FT_SfntName">FT_SfntName</a></td></tr>
<tr><td></td><td><a href="#FT_Get_Sfnt_Name_Count">FT_Get_Sfnt_Name_Count</a></td></tr>
<tr><td></td><td><a href="#FT_Get_Sfnt_Name">FT_Get_Sfnt_Name</a></td></tr>
<tr><td></td><td><a href="#FT_PARAM_TAG_IGNORE_PREFERRED_FAMILY">FT_PARAM_TAG_IGNORE_PREFERRED_FAMILY</a></td></tr>
<tr><td></td><td><a href="#FT_PARAM_TAG_IGNORE_PREFERRED_SUBFAMILY">FT_PARAM_TAG_IGNORE_PREFERRED_SUBFAMILY</a></td></tr>
</table><br><br>
<table align=center width="87%"><tr><td>
<p>The TrueType and OpenType specifications allow the inclusion of a special &lsquo;names table&rsquo; in font files. This table contains textual (and internationalized) information regarding the font, like family name, copyright, version, etc.</p>
<p>The definitions below are used to access them if available.</p>
<p>Note that this has nothing to do with glyph names!</p>
</td></tr></table><br>
<table align=center width="75%"><tr><td>
<h4><a name="FT_SfntName">FT_SfntName</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_SFNT_NAMES_H (freetype/ftsnames.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> FT_SfntName_
{
<a href="ft2-basic_types.html#FT_UShort">FT_UShort</a> platform_id;
<a href="ft2-basic_types.html#FT_UShort">FT_UShort</a> encoding_id;
<a href="ft2-basic_types.html#FT_UShort">FT_UShort</a> language_id;
<a href="ft2-basic_types.html#FT_UShort">FT_UShort</a> name_id;
<a href="ft2-basic_types.html#FT_Byte">FT_Byte</a>* string; /* this string is *not* null-terminated! */
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> string_len; /* in bytes */
} <b>FT_SfntName</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A structure used to model an SFNT &lsquo;name&rsquo; table entry.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>fields</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>platform_id</b></td><td>
<p>The platform ID for &lsquo;string&rsquo;.</p>
</td></tr>
<tr valign=top><td><b>encoding_id</b></td><td>
<p>The encoding ID for &lsquo;string&rsquo;.</p>
</td></tr>
<tr valign=top><td><b>language_id</b></td><td>
<p>The language ID for &lsquo;string&rsquo;.</p>
</td></tr>
<tr valign=top><td><b>name_id</b></td><td>
<p>An identifier for &lsquo;string&rsquo;.</p>
</td></tr>
<tr valign=top><td><b>string</b></td><td>
<p>The &lsquo;name&rsquo; string. Note that its format differs depending on the (platform,encoding) pair. It can be a Pascal String, a UTF-16 one, etc.</p>
<p>Generally speaking, the string is not zero-terminated. Please refer to the TrueType specification for details.</p>
</td></tr>
<tr valign=top><td><b>string_len</b></td><td>
<p>The length of &lsquo;string&rsquo; in bytes.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>Possible values for &lsquo;platform_id&rsquo;, &lsquo;encoding_id&rsquo;, &lsquo;language_id&rsquo;, and &lsquo;name_id&rsquo; are given in the file &lsquo;ttnameid.h&rsquo;. For details please refer to the TrueType or OpenType specification.</p>
<p>See also <a href="ft2-truetype_tables.html#TT_PLATFORM_XXX">TT_PLATFORM_XXX</a>, <a href="ft2-truetype_tables.html#TT_APPLE_ID_XXX">TT_APPLE_ID_XXX</a>, <a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_XXX</a>, <a href="ft2-truetype_tables.html#TT_ISO_ID_XXX">TT_ISO_ID_XXX</a>, and <a href="ft2-truetype_tables.html#TT_MS_ID_XXX">TT_MS_ID_XXX</a>.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Get_Sfnt_Name_Count">FT_Get_Sfnt_Name_Count</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_SFNT_NAMES_H (freetype/ftsnames.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> )
<b>FT_Get_Sfnt_Name_Count</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Retrieve the number of name strings in the SFNT &lsquo;name&rsquo; table.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>A handle to the source face.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>The number of strings in the &lsquo;name&rsquo; table.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
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<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Get_Sfnt_Name">FT_Get_Sfnt_Name</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_SFNT_NAMES_H (freetype/ftsnames.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Get_Sfnt_Name</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> idx,
<a href="ft2-sfnt_names.html#FT_SfntName">FT_SfntName</a> *aname );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Retrieve a string of the SFNT &lsquo;name&rsquo; table for a given index.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>A handle to the source face.</p>
</td></tr>
<tr valign=top><td><b>idx</b></td><td>
<p>The index of the &lsquo;name&rsquo; string.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>aname</b></td><td>
<p>The indexed <a href="ft2-sfnt_names.html#FT_SfntName">FT_SfntName</a> structure.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>The &lsquo;string&rsquo; array returned in the &lsquo;aname&rsquo; structure is not null-terminated. The application should deallocate it if it is no longer in use.</p>
<p>Use <a href="ft2-sfnt_names.html#FT_Get_Sfnt_Name_Count">FT_Get_Sfnt_Name_Count</a> to get the total number of available &lsquo;name&rsquo; table entries, then do a loop until you get the right platform, encoding, and name ID.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_PARAM_TAG_IGNORE_PREFERRED_FAMILY">FT_PARAM_TAG_IGNORE_PREFERRED_FAMILY</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_SFNT_NAMES_H (freetype/ftsnames.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_PARAM_TAG_IGNORE_PREFERRED_FAMILY</b> <a href="ft2-basic_types.html#FT_MAKE_TAG">FT_MAKE_TAG</a>( 'i', 'g', 'p', 'f' )
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A constant used as the tag of <a href="ft2-base_interface.html#FT_Parameter">FT_Parameter</a> structures to make FT_Open_Face() ignore preferred family subfamily names in &lsquo;name&rsquo; table since OpenType version 1.4. For backwards compatibility with legacy systems which has 4-face-per-family restriction.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_PARAM_TAG_IGNORE_PREFERRED_SUBFAMILY">FT_PARAM_TAG_IGNORE_PREFERRED_SUBFAMILY</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_SFNT_NAMES_H (freetype/ftsnames.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <b>FT_PARAM_TAG_IGNORE_PREFERRED_SUBFAMILY</b> <a href="ft2-basic_types.html#FT_MAKE_TAG">FT_MAKE_TAG</a>( 'i', 'g', 'p', 's' )
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A constant used as the tag of <a href="ft2-base_interface.html#FT_Parameter">FT_Parameter</a> structures to make FT_Open_Face() ignore preferred subfamily names in &lsquo;name&rsquo; table since OpenType version 1.4. For backwards compatibility with legacy systems which has 4-face-per-family restriction.</p>
</td></tr></table><br>
</td></tr></table>
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</body>
</html>
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<center><h1>FreeType-2.5.0 API Reference</h1></center>
<center><h1>
Size Management
</h1></center>
<h2>Synopsis</h2>
<table align=center cellspacing=5 cellpadding=0 border=0>
<tr><td></td><td><a href="#FT_New_Size">FT_New_Size</a></td><td></td><td><a href="#FT_Done_Size">FT_Done_Size</a></td><td></td><td><a href="#FT_Activate_Size">FT_Activate_Size</a></td><td></td><td></td></tr>
</table><br><br>
<table align=center width="87%"><tr><td>
<p>When creating a new face object (e.g., with <a href="ft2-base_interface.html#FT_New_Face">FT_New_Face</a>), an <a href="ft2-base_interface.html#FT_Size">FT_Size</a> object is automatically created and used to store all pixel-size dependent information, available in the &lsquo;face-&gt;size&rsquo; field.</p>
<p>It is however possible to create more sizes for a given face, mostly in order to manage several character pixel sizes of the same font family and style. See <a href="ft2-sizes_management.html#FT_New_Size">FT_New_Size</a> and <a href="ft2-sizes_management.html#FT_Done_Size">FT_Done_Size</a>.</p>
<p>Note that <a href="ft2-base_interface.html#FT_Set_Pixel_Sizes">FT_Set_Pixel_Sizes</a> and <a href="ft2-base_interface.html#FT_Set_Char_Size">FT_Set_Char_Size</a> only modify the contents of the current &lsquo;active&rsquo; size; you thus need to use <a href="ft2-sizes_management.html#FT_Activate_Size">FT_Activate_Size</a> to change it.</p>
<p>99% of applications won't need the functions provided here, especially if they use the caching sub-system, so be cautious when using these.</p>
</td></tr></table><br>
<table align=center width="75%"><tr><td>
<h4><a name="FT_New_Size">FT_New_Size</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_SIZES_H (freetype/ftsizes.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_New_Size</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
<a href="ft2-base_interface.html#FT_Size">FT_Size</a>* size );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Create a new size object from a given face object.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>A handle to a parent face object.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>asize</b></td><td>
<p>A handle to a new size object.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>You need to call <a href="ft2-sizes_management.html#FT_Activate_Size">FT_Activate_Size</a> in order to select the new size for upcoming calls to <a href="ft2-base_interface.html#FT_Set_Pixel_Sizes">FT_Set_Pixel_Sizes</a>, <a href="ft2-base_interface.html#FT_Set_Char_Size">FT_Set_Char_Size</a>, <a href="ft2-base_interface.html#FT_Load_Glyph">FT_Load_Glyph</a>, <a href="ft2-base_interface.html#FT_Load_Char">FT_Load_Char</a>, etc.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Done_Size">FT_Done_Size</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_SIZES_H (freetype/ftsizes.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Done_Size</b>( <a href="ft2-base_interface.html#FT_Size">FT_Size</a> size );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Discard a given size object. Note that <a href="ft2-base_interface.html#FT_Done_Face">FT_Done_Face</a> automatically discards all size objects allocated with <a href="ft2-sizes_management.html#FT_New_Size">FT_New_Size</a>.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>size</b></td><td>
<p>A handle to a target size object.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Activate_Size">FT_Activate_Size</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_SIZES_H (freetype/ftsizes.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Activate_Size</b>( <a href="ft2-base_interface.html#FT_Size">FT_Size</a> size );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Even though it is possible to create several size objects for a given face (see <a href="ft2-sizes_management.html#FT_New_Size">FT_New_Size</a> for details), functions like <a href="ft2-base_interface.html#FT_Load_Glyph">FT_Load_Glyph</a> or <a href="ft2-base_interface.html#FT_Load_Char">FT_Load_Char</a> only use the one which has been activated last to determine the &lsquo;current character pixel size&rsquo;.</p>
<p>This function can be used to &lsquo;activate&rsquo; a previously created size object.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>size</b></td><td>
<p>A handle to a target size object.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>If &lsquo;face&rsquo; is the size's parent face object, this function changes the value of &lsquo;face-&gt;size&rsquo; to the input size handle.</p>
</td></tr></table>
</td></tr></table>
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<center><h1>FreeType-2.5.0 API Reference</h1></center>
<center><h1>
System Interface
</h1></center>
<h2>Synopsis</h2>
<table align=center cellspacing=5 cellpadding=0 border=0>
<tr><td></td><td><a href="#FT_Memory">FT_Memory</a></td><td></td><td><a href="#FT_MemoryRec">FT_MemoryRec</a></td><td></td><td><a href="#FT_Stream_CloseFunc">FT_Stream_CloseFunc</a></td></tr>
<tr><td></td><td><a href="#FT_Alloc_Func">FT_Alloc_Func</a></td><td></td><td><a href="#FT_Stream">FT_Stream</a></td><td></td><td><a href="#FT_StreamRec">FT_StreamRec</a></td></tr>
<tr><td></td><td><a href="#FT_Free_Func">FT_Free_Func</a></td><td></td><td><a href="#FT_StreamDesc">FT_StreamDesc</a></td><td></td><td></td></tr>
<tr><td></td><td><a href="#FT_Realloc_Func">FT_Realloc_Func</a></td><td></td><td><a href="#FT_Stream_IoFunc">FT_Stream_IoFunc</a></td><td></td><td></td></tr>
</table><br><br>
<table align=center width="87%"><tr><td>
<p>This section contains various definitions related to memory management and i/o access. You need to understand this information if you want to use a custom memory manager or you own i/o streams.</p>
</td></tr></table><br>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Memory">FT_Memory</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_SYSTEM_H (freetype/ftsystem.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> FT_MemoryRec_* <b>FT_Memory</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A handle to a given memory manager object, defined with an <a href="ft2-system_interface.html#FT_MemoryRec">FT_MemoryRec</a> structure.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
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<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Alloc_Func">FT_Alloc_Func</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_SYSTEM_H (freetype/ftsystem.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">void</span>*
(*<b>FT_Alloc_Func</b>)( <a href="ft2-system_interface.html#FT_Memory">FT_Memory</a> memory,
<span class="keyword">long</span> size );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A function used to allocate &lsquo;size&rsquo; bytes from &lsquo;memory&rsquo;.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>memory</b></td><td>
<p>A handle to the source memory manager.</p>
</td></tr>
<tr valign=top><td><b>size</b></td><td>
<p>The size in bytes to allocate.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>Address of new memory block. 0&nbsp;in case of failure.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Free_Func">FT_Free_Func</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_SYSTEM_H (freetype/ftsystem.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">void</span>
(*<b>FT_Free_Func</b>)( <a href="ft2-system_interface.html#FT_Memory">FT_Memory</a> memory,
<span class="keyword">void</span>* block );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A function used to release a given block of memory.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>memory</b></td><td>
<p>A handle to the source memory manager.</p>
</td></tr>
<tr valign=top><td><b>block</b></td><td>
<p>The address of the target memory block.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Realloc_Func">FT_Realloc_Func</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_SYSTEM_H (freetype/ftsystem.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">void</span>*
(*<b>FT_Realloc_Func</b>)( <a href="ft2-system_interface.html#FT_Memory">FT_Memory</a> memory,
<span class="keyword">long</span> cur_size,
<span class="keyword">long</span> new_size,
<span class="keyword">void</span>* block );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A function used to re-allocate a given block of memory.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>memory</b></td><td>
<p>A handle to the source memory manager.</p>
</td></tr>
<tr valign=top><td><b>cur_size</b></td><td>
<p>The block's current size in bytes.</p>
</td></tr>
<tr valign=top><td><b>new_size</b></td><td>
<p>The block's requested new size.</p>
</td></tr>
<tr valign=top><td><b>block</b></td><td>
<p>The block's current address.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>New block address. 0&nbsp;in case of memory shortage.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>In case of error, the old block must still be available.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_MemoryRec">FT_MemoryRec</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_SYSTEM_H (freetype/ftsystem.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">struct</span> FT_MemoryRec_
{
<span class="keyword">void</span>* user;
<a href="ft2-system_interface.html#FT_Alloc_Func">FT_Alloc_Func</a> alloc;
<a href="ft2-system_interface.html#FT_Free_Func">FT_Free_Func</a> free;
<a href="ft2-system_interface.html#FT_Realloc_Func">FT_Realloc_Func</a> realloc;
};
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A structure used to describe a given memory manager to FreeType&nbsp;2.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>fields</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>user</b></td><td>
<p>A generic typeless pointer for user data.</p>
</td></tr>
<tr valign=top><td><b>alloc</b></td><td>
<p>A pointer type to an allocation function.</p>
</td></tr>
<tr valign=top><td><b>free</b></td><td>
<p>A pointer type to an memory freeing function.</p>
</td></tr>
<tr valign=top><td><b>realloc</b></td><td>
<p>A pointer type to a reallocation function.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Stream">FT_Stream</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_SYSTEM_H (freetype/ftsystem.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> FT_StreamRec_* <b>FT_Stream</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A handle to an input stream.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_StreamDesc">FT_StreamDesc</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_SYSTEM_H (freetype/ftsystem.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">union</span> FT_StreamDesc_
{
<span class="keyword">long</span> value;
<span class="keyword">void</span>* pointer;
} <b>FT_StreamDesc</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A union type used to store either a long or a pointer. This is used to store a file descriptor or a &lsquo;FILE*&rsquo; in an input stream.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Stream_IoFunc">FT_Stream_IoFunc</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_SYSTEM_H (freetype/ftsystem.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">unsigned</span> <span class="keyword">long</span>
(*<b>FT_Stream_IoFunc</b>)( <a href="ft2-system_interface.html#FT_Stream">FT_Stream</a> stream,
<span class="keyword">unsigned</span> <span class="keyword">long</span> offset,
<span class="keyword">unsigned</span> <span class="keyword">char</span>* buffer,
<span class="keyword">unsigned</span> <span class="keyword">long</span> count );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A function used to seek and read data from a given input stream.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>stream</b></td><td>
<p>A handle to the source stream.</p>
</td></tr>
<tr valign=top><td><b>offset</b></td><td>
<p>The offset of read in stream (always from start).</p>
</td></tr>
<tr valign=top><td><b>buffer</b></td><td>
<p>The address of the read buffer.</p>
</td></tr>
<tr valign=top><td><b>count</b></td><td>
<p>The number of bytes to read from the stream.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>The number of bytes effectively read by the stream.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>This function might be called to perform a seek or skip operation with a &lsquo;count&rsquo; of&nbsp;0. A non-zero return value then indicates an error.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Stream_CloseFunc">FT_Stream_CloseFunc</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_SYSTEM_H (freetype/ftsystem.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">void</span>
(*<b>FT_Stream_CloseFunc</b>)( <a href="ft2-system_interface.html#FT_Stream">FT_Stream</a> stream );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A function used to close a given input stream.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>stream</b></td><td>
<p>A handle to the target stream.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_StreamRec">FT_StreamRec</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_SYSTEM_H (freetype/ftsystem.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> FT_StreamRec_
{
<span class="keyword">unsigned</span> <span class="keyword">char</span>* base;
<span class="keyword">unsigned</span> <span class="keyword">long</span> size;
<span class="keyword">unsigned</span> <span class="keyword">long</span> pos;
<a href="ft2-system_interface.html#FT_StreamDesc">FT_StreamDesc</a> descriptor;
<a href="ft2-system_interface.html#FT_StreamDesc">FT_StreamDesc</a> pathname;
<a href="ft2-system_interface.html#FT_Stream_IoFunc">FT_Stream_IoFunc</a> read;
<a href="ft2-system_interface.html#FT_Stream_CloseFunc">FT_Stream_CloseFunc</a> close;
<a href="ft2-system_interface.html#FT_Memory">FT_Memory</a> memory;
<span class="keyword">unsigned</span> <span class="keyword">char</span>* cursor;
<span class="keyword">unsigned</span> <span class="keyword">char</span>* limit;
} <b>FT_StreamRec</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A structure used to describe an input stream.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>base</b></td><td>
<p>For memory-based streams, this is the address of the first stream byte in memory. This field should always be set to NULL for disk-based streams.</p>
</td></tr>
<tr valign=top><td><b>size</b></td><td>
<p>The stream size in bytes.</p>
</td></tr>
<tr valign=top><td><b>pos</b></td><td>
<p>The current position within the stream.</p>
</td></tr>
<tr valign=top><td><b>descriptor</b></td><td>
<p>This field is a union that can hold an integer or a pointer. It is used by stream implementations to store file descriptors or &lsquo;FILE*&rsquo; pointers.</p>
</td></tr>
<tr valign=top><td><b>pathname</b></td><td>
<p>This field is completely ignored by FreeType. However, it is often useful during debugging to use it to store the stream's filename (where available).</p>
</td></tr>
<tr valign=top><td><b>read</b></td><td>
<p>The stream's input function.</p>
</td></tr>
<tr valign=top><td><b>close</b></td><td>
<p>The stream's close function.</p>
</td></tr>
<tr valign=top><td><b>memory</b></td><td>
<p>The memory manager to use to preload frames. This is set internally by FreeType and shouldn't be touched by stream implementations.</p>
</td></tr>
<tr valign=top><td><b>cursor</b></td><td>
<p>This field is set and used internally by FreeType when parsing frames.</p>
</td></tr>
<tr valign=top><td><b>limit</b></td><td>
<p>This field is set and used internally by FreeType when parsing frames.</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
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<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
</body>
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<center><h1>FreeType-2.5.0 API Reference</h1></center>
<center><h1>Table of Contents</h1></center>
<br><table align=center width="75%"><tr><td><h2>General Remarks</h2><ul class="empty"><li>
<table cellpadding=5>
<tr valign=top><td class="left">
<a href="ft2-user_allocation.html">User allocation</a></td><td>
<p>How client applications should allocate FreeType data structures.</p>
</td></tr>
</table>
</li></ul></td></tr></table>
<br><table align=center width="75%"><tr><td><h2>Core API</h2><ul class="empty"><li>
<table cellpadding=5>
<tr valign=top><td class="left">
<a href="ft2-version.html">FreeType Version</a></td><td>
<p>Functions and macros related to FreeType versions.</p>
</td></tr>
<tr valign=top><td class="left">
<a href="ft2-basic_types.html">Basic Data Types</a></td><td>
<p>The basic data types defined by the library.</p>
</td></tr>
<tr valign=top><td class="left">
<a href="ft2-base_interface.html">Base Interface</a></td><td>
<p>The FreeType&nbsp;2 base font interface.</p>
</td></tr>
<tr valign=top><td class="left">
<a href="ft2-glyph_variants.html">Glyph Variants</a></td><td>
<p>The FreeType&nbsp;2 interface to Unicode Ideographic Variation Sequences (IVS), using the SFNT cmap format&nbsp;14.</p>
</td></tr>
<tr valign=top><td class="left">
<a href="ft2-glyph_management.html">Glyph Management</a></td><td>
<p>Generic interface to manage individual glyph data.</p>
</td></tr>
<tr valign=top><td class="left">
<a href="ft2-mac_specific.html">Mac Specific Interface</a></td><td>
<p>Only available on the Macintosh.</p>
</td></tr>
<tr valign=top><td class="left">
<a href="ft2-sizes_management.html">Size Management</a></td><td>
<p>Managing multiple sizes per face.</p>
</td></tr>
<tr valign=top><td class="left">
<a href="ft2-header_file_macros.html">Header File Macros</a></td><td>
<p>Macro definitions used to #include specific header files.</p>
</td></tr>
</table>
</li></ul></td></tr></table>
<br><table align=center width="75%"><tr><td><h2>Format-Specific API</h2><ul class="empty"><li>
<table cellpadding=5>
<tr valign=top><td class="left">
<a href="ft2-multiple_masters.html">Multiple Masters</a></td><td>
<p>How to manage Multiple Masters fonts.</p>
</td></tr>
<tr valign=top><td class="left">
<a href="ft2-truetype_tables.html">TrueType Tables</a></td><td>
<p>TrueType specific table types and functions.</p>
</td></tr>
<tr valign=top><td class="left">
<a href="ft2-type1_tables.html">Type 1 Tables</a></td><td>
<p>Type&nbsp;1 (PostScript) specific font tables.</p>
</td></tr>
<tr valign=top><td class="left">
<a href="ft2-sfnt_names.html">SFNT Names</a></td><td>
<p>Access the names embedded in TrueType and OpenType files.</p>
</td></tr>
<tr valign=top><td class="left">
<a href="ft2-bdf_fonts.html">BDF and PCF Files</a></td><td>
<p>BDF and PCF specific API.</p>
</td></tr>
<tr valign=top><td class="left">
<a href="ft2-cid_fonts.html">CID Fonts</a></td><td>
<p>CID-keyed font specific API.</p>
</td></tr>
<tr valign=top><td class="left">
<a href="ft2-pfr_fonts.html">PFR Fonts</a></td><td>
<p>PFR/TrueDoc specific API.</p>
</td></tr>
<tr valign=top><td class="left">
<a href="ft2-winfnt_fonts.html">Window FNT Files</a></td><td>
<p>Windows FNT specific API.</p>
</td></tr>
<tr valign=top><td class="left">
<a href="ft2-font_formats.html">Font Formats</a></td><td>
<p>Getting the font format.</p>
</td></tr>
<tr valign=top><td class="left">
<a href="ft2-gasp_table.html">Gasp Table</a></td><td>
<p>Retrieving TrueType &lsquo;gasp&rsquo; table entries.</p>
</td></tr>
</table>
</li></ul></td></tr></table>
<br><table align=center width="75%"><tr><td><h2>Controlling FreeType Modules</h2><ul class="empty"><li>
<table cellpadding=5>
<tr valign=top><td class="left">
<a href="ft2-auto_hinter.html">The auto-hinter</a></td><td>
<p>Controlling the auto-hinting module.</p>
</td></tr>
<tr valign=top><td class="left">
<a href="ft2-cff_driver.html">The CFF driver</a></td><td>
<p>Controlling the CFF driver module.</p>
</td></tr>
<tr valign=top><td class="left">
<a href="ft2-tt_driver.html">The TrueType driver</a></td><td>
<p>Controlling the TrueType driver module.</p>
</td></tr>
</table>
</li></ul></td></tr></table>
<br><table align=center width="75%"><tr><td><h2>Cache Sub-System</h2><ul class="empty"><li>
<table cellpadding=5>
<tr valign=top><td class="left">
<a href="ft2-cache_subsystem.html">Cache Sub-System</a></td><td>
<p>How to cache face, size, and glyph data with FreeType&nbsp;2.</p>
</td></tr>
</table>
</li></ul></td></tr></table>
<br><table align=center width="75%"><tr><td><h2>Support API</h2><ul class="empty"><li>
<table cellpadding=5>
<tr valign=top><td class="left">
<a href="ft2-computations.html">Computations</a></td><td>
<p>Crunching fixed numbers and vectors.</p>
</td></tr>
<tr valign=top><td class="left">
<a href="ft2-list_processing.html">List Processing</a></td><td>
<p>Simple management of lists.</p>
</td></tr>
<tr valign=top><td class="left">
<a href="ft2-outline_processing.html">Outline Processing</a></td><td>
<p>Functions to create, transform, and render vectorial glyph images.</p>
</td></tr>
<tr valign=top><td class="left">
<a href="ft2-quick_advance.html">Quick retrieval of advance values</a></td><td>
<p>Retrieve horizontal and vertical advance values without processing glyph outlines, if possible.</p>
</td></tr>
<tr valign=top><td class="left">
<a href="ft2-bitmap_handling.html">Bitmap Handling</a></td><td>
<p>Handling FT_Bitmap objects.</p>
</td></tr>
<tr valign=top><td class="left">
<a href="ft2-raster.html">Scanline Converter</a></td><td>
<p>How vectorial outlines are converted into bitmaps and pixmaps.</p>
</td></tr>
<tr valign=top><td class="left">
<a href="ft2-glyph_stroker.html">Glyph Stroker</a></td><td>
<p>Generating bordered and stroked glyphs.</p>
</td></tr>
<tr valign=top><td class="left">
<a href="ft2-system_interface.html">System Interface</a></td><td>
<p>How FreeType manages memory and i/o.</p>
</td></tr>
<tr valign=top><td class="left">
<a href="ft2-module_management.html">Module Management</a></td><td>
<p>How to add, upgrade, remove, and control modules from FreeType.</p>
</td></tr>
<tr valign=top><td class="left">
<a href="ft2-gzip.html">GZIP Streams</a></td><td>
<p>Using gzip-compressed font files.</p>
</td></tr>
<tr valign=top><td class="left">
<a href="ft2-lzw.html">LZW Streams</a></td><td>
<p>Using LZW-compressed font files.</p>
</td></tr>
<tr valign=top><td class="left">
<a href="ft2-bzip2.html">BZIP2 Streams</a></td><td>
<p>Using bzip2-compressed font files.</p>
</td></tr>
<tr valign=top><td class="left">
<a href="ft2-lcd_filtering.html">LCD Filtering</a></td><td>
<p>Reduce color fringes of LCD-optimized bitmaps.</p>
</td></tr>
</table>
</li></ul></td></tr></table>
<br><table align=center width="75%"><tr><td><h2>Miscellaneous</h2><ul class="empty"><li>
<table cellpadding=5>
<tr valign=top><td class="left">
<a href="ft2-ot_validation.html">OpenType Validation</a></td><td>
<p>An API to validate OpenType tables.</p>
</td></tr>
<tr valign=top><td class="left">
<a href="ft2-incremental.html">Incremental Loading</a></td><td>
<p>Custom Glyph Loading.</p>
</td></tr>
<tr valign=top><td class="left">
<a href="ft2-truetype_engine.html">The TrueType Engine</a></td><td>
<p>TrueType bytecode support.</p>
</td></tr>
<tr valign=top><td class="left">
<a href="ft2-gx_validation.html">TrueTypeGX/AAT Validation</a></td><td>
<p>An API to validate TrueTypeGX/AAT tables.</p>
</td></tr>
</table>
</li></ul></td></tr></table>
<br><table align=center width="75%"><tr><td><h2><a href="ft2-index.html">Global Index</a></h2><ul class="empty"><li></li></ul></td></tr></table>
<hr>
<table><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
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<center><font size=-2>generated on Wed Jun 19 23:29:20 2013</font></center></body>
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<td><font size=-1>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<center><h1>FreeType-2.5.0 API Reference</h1></center>
<center><h1>
The TrueType Engine
</h1></center>
<h2>Synopsis</h2>
<table align=center cellspacing=5 cellpadding=0 border=0>
<tr><td></td><td><a href="#FT_TrueTypeEngineType">FT_TrueTypeEngineType</a></td><td></td><td><a href="#FT_Get_TrueType_Engine_Type">FT_Get_TrueType_Engine_Type</a></td></tr>
</table><br><br>
<table align=center width="87%"><tr><td>
<p>This section contains a function used to query the level of TrueType bytecode support compiled in this version of the library.</p>
</td></tr></table><br>
<table align=center width="75%"><tr><td>
<h4><a name="FT_TrueTypeEngineType">FT_TrueTypeEngineType</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MODULE_H (freetype/ftmodapi.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">enum</span> FT_TrueTypeEngineType_
{
<a href="ft2-truetype_engine.html#FT_TrueTypeEngineType">FT_TRUETYPE_ENGINE_TYPE_NONE</a> = 0,
<a href="ft2-truetype_engine.html#FT_TrueTypeEngineType">FT_TRUETYPE_ENGINE_TYPE_UNPATENTED</a>,
<a href="ft2-truetype_engine.html#FT_TrueTypeEngineType">FT_TRUETYPE_ENGINE_TYPE_PATENTED</a>
} <b>FT_TrueTypeEngineType</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A list of values describing which kind of TrueType bytecode engine is implemented in a given FT_Library instance. It is used by the <a href="ft2-truetype_engine.html#FT_Get_TrueType_Engine_Type">FT_Get_TrueType_Engine_Type</a> function.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>values</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td colspan=0><b>FT_TRUETYPE_ENGINE_TYPE_NONE</b></td></tr>
<tr valign=top><td></td><td>
<p>The library doesn't implement any kind of bytecode interpreter.</p>
</td></tr>
<tr valign=top><td colspan=0><b>FT_TRUETYPE_ENGINE_TYPE_UNPATENTED</b></td></tr>
<tr valign=top><td></td><td>
<p>The library implements a bytecode interpreter that doesn't support the patented operations of the TrueType virtual machine.</p>
<p>Its main use is to load certain Asian fonts which position and scale glyph components with bytecode instructions. It produces bad output for most other fonts.</p>
</td></tr>
<tr valign=top><td colspan=0><b>FT_TRUETYPE_ENGINE_TYPE_PATENTED</b></td></tr>
<tr valign=top><td></td><td>
<p>The library implements a bytecode interpreter that covers the full instruction set of the TrueType virtual machine (this was governed by patents until May 2010, hence the name).</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>since</b></em></td></tr><tr><td>
<p>2.2</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Get_TrueType_Engine_Type">FT_Get_TrueType_Engine_Type</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_MODULE_H (freetype/ftmodapi.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-truetype_engine.html#FT_TrueTypeEngineType">FT_TrueTypeEngineType</a> )
<b>FT_Get_TrueType_Engine_Type</b>( <a href="ft2-base_interface.html#FT_Library">FT_Library</a> library );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Return an <a href="ft2-truetype_engine.html#FT_TrueTypeEngineType">FT_TrueTypeEngineType</a> value to indicate which level of the TrueType virtual machine a given library instance supports.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>library</b></td><td>
<p>A library instance.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>A value indicating which level is supported.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>since</b></em></td></tr><tr><td>
<p>2.2</p>
</td></tr></table>
</td></tr></table>
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<center><h1>FreeType-2.5.0 API Reference</h1></center>
<center><h1>
The TrueType driver
</h1></center>
<h2>Synopsis</h2>
<table align=center cellspacing=5 cellpadding=0 border=0>
<tr><td></td><td><a href="#interpreter-version">interpreter-version</a></td><td></td><td><a href="#TT_INTERPRETER_VERSION_XXX">TT_INTERPRETER_VERSION_XXX</a></td></tr>
</table><br><br>
<table align=center width="87%"><tr><td>
<p>While FreeType's TrueType driver doesn't expose API functions by itself, it is possible to control its behaviour with <a href="ft2-module_management.html#FT_Property_Set">FT_Property_Set</a> and <a href="ft2-module_management.html#FT_Property_Get">FT_Property_Get</a>. The following lists the available properties together with the necessary macros and structures.</p>
<p>The TrueType driver's module name is &lsquo;truetype&rsquo;.</p>
</td></tr></table><br>
<table align=center width="75%"><tr><td>
<h4><a name="interpreter-version">interpreter-version</a></h4>
<table align=center width="87%"><tr><td>
<p>Currently, two versions are available which represent the bytecode interpreter with and without subpixel hinting support, respectively. The default is subpixel support if TT_CONFIG_OPTION_SUBPIXEL_HINTING is defined, and no subpixel support otherwise (since it isn't available then).</p>
<p>If subpixel hinting is on, many TrueType bytecode instructions behave differently compared to B/W or grayscale rendering. The main idea is to render at a much increased horizontal resolution, then sampling down the created output to subpixel precision. However, many older fonts are not suited to this and must be specially taken care of by applying (hardcoded) font-specific tweaks.</p>
<p>Details on subpixel hinting and some of the necessary tweaks can be found in Greg Hitchcock's whitepaper at &lsquo;http://www.microsoft.com/typography/cleartype/truetypecleartype.aspx&rsquo;.</p>
<p>The following example code demonstrates how to activate subpixel hinting (omitting the error handling).</p>
<pre class="colored">
FT_Library library;
FT_Face face;
FT_UInt interpreter_version = TT_INTERPRETER_VERSION_38;
FT_Init_FreeType( &amp;library );
FT_Property_Set( library, "truetype",
"interpreter-version",
&amp;interpreter_version );
</pre>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>This property can be used with <a href="ft2-module_management.html#FT_Property_Get">FT_Property_Get</a> also.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="TT_INTERPRETER_VERSION_XXX">TT_INTERPRETER_VERSION_XXX</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TRUETYPE_DRIVER_H (freetype/ftttdrv.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <a href="ft2-tt_driver.html#TT_INTERPRETER_VERSION_XXX">TT_INTERPRETER_VERSION_35</a> 35
#define <a href="ft2-tt_driver.html#TT_INTERPRETER_VERSION_XXX">TT_INTERPRETER_VERSION_38</a> 38
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A list of constants used for the <a href="ft2-tt_driver.html#interpreter-version">interpreter-version</a> property to select the hinting engine for Truetype fonts.</p>
<p>The numeric value in the constant names represents the version number as returned by the &lsquo;GETINFO&rsquo; bytecode instruction.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>values</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td colspan=0><b>TT_INTERPRETER_VERSION_35</b></td></tr>
<tr valign=top><td></td><td>
<p>Version&nbsp;35 corresponds to MS rasterizer v.1.7 as used e.g. in Windows&nbsp;98; only grayscale and B/W rasterizing is supported.</p>
</td></tr>
<tr valign=top><td colspan=0><b>TT_INTERPRETER_VERSION_38</b></td></tr>
<tr valign=top><td></td><td>
<p>Version&nbsp;38 corresponds to MS rasterizer v.1.9; it is roughly equivalent to the hinting provided by DirectWrite ClearType (as can be found, for example, in the Internet Explorer&nbsp;9 running on Windows&nbsp;7).</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>This property controls the behaviour of the bytecode interpreter and thus how outlines get hinted. It does <b>not</b> control how glyph get rasterized! In particular, it does not control subpixel color filtering.</p>
<p>If FreeType has not been compiled with configuration option FT_CONFIG_OPTION_SUBPIXEL_HINTING, selecting version&nbsp;38 causes an &lsquo;FT_Err_Unimplemented_Feature&rsquo; error.</p>
</td></tr></table>
</td></tr></table>
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<center><h1>FreeType-2.5.0 API Reference</h1></center>
<center><h1>
Type 1 Tables
</h1></center>
<h2>Synopsis</h2>
<table align=center cellspacing=5 cellpadding=0 border=0>
<tr><td></td><td><a href="#PS_FontInfoRec">PS_FontInfoRec</a></td><td></td><td><a href="#T1_Blend_Flags">T1_Blend_Flags</a></td><td></td><td><a href="#FT_Has_PS_Glyph_Names">FT_Has_PS_Glyph_Names</a></td></tr>
<tr><td></td><td><a href="#PS_FontInfo">PS_FontInfo</a></td><td></td><td><a href="#CID_FaceDictRec">CID_FaceDictRec</a></td><td></td><td><a href="#FT_Get_PS_Font_Info">FT_Get_PS_Font_Info</a></td></tr>
<tr><td></td><td><a href="#T1_FontInfo">T1_FontInfo</a></td><td></td><td><a href="#CID_FaceDict">CID_FaceDict</a></td><td></td><td><a href="#FT_Get_PS_Font_Private">FT_Get_PS_Font_Private</a></td></tr>
<tr><td></td><td><a href="#PS_PrivateRec">PS_PrivateRec</a></td><td></td><td><a href="#CID_FaceInfoRec">CID_FaceInfoRec</a></td><td></td><td><a href="#T1_EncodingType">T1_EncodingType</a></td></tr>
<tr><td></td><td><a href="#PS_Private">PS_Private</a></td><td></td><td><a href="#CID_FaceInfo">CID_FaceInfo</a></td><td></td><td><a href="#PS_Dict_Keys">PS_Dict_Keys</a></td></tr>
<tr><td></td><td><a href="#T1_Private">T1_Private</a></td><td></td><td><a href="#CID_Info">CID_Info</a></td><td></td><td><a href="#FT_Get_PS_Font_Value">FT_Get_PS_Font_Value</a></td></tr>
</table><br><br>
<table align=center width="87%"><tr><td>
<p>This section contains the definition of Type 1-specific tables, including structures related to other PostScript font formats.</p>
</td></tr></table><br>
<table align=center width="75%"><tr><td>
<h4><a name="PS_FontInfoRec">PS_FontInfoRec</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TYPE1_TABLES_H (freetype/t1tables.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> PS_FontInfoRec_
{
<a href="ft2-basic_types.html#FT_String">FT_String</a>* version;
<a href="ft2-basic_types.html#FT_String">FT_String</a>* notice;
<a href="ft2-basic_types.html#FT_String">FT_String</a>* full_name;
<a href="ft2-basic_types.html#FT_String">FT_String</a>* family_name;
<a href="ft2-basic_types.html#FT_String">FT_String</a>* weight;
<a href="ft2-basic_types.html#FT_Long">FT_Long</a> italic_angle;
<a href="ft2-basic_types.html#FT_Bool">FT_Bool</a> is_fixed_pitch;
<a href="ft2-basic_types.html#FT_Short">FT_Short</a> underline_position;
<a href="ft2-basic_types.html#FT_UShort">FT_UShort</a> underline_thickness;
} <b>PS_FontInfoRec</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A structure used to model a Type&nbsp;1 or Type&nbsp;2 FontInfo dictionary. Note that for Multiple Master fonts, each instance has its own FontInfo dictionary.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="PS_FontInfo">PS_FontInfo</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TYPE1_TABLES_H (freetype/t1tables.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> PS_FontInfoRec_* <b>PS_FontInfo</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A handle to a <a href="ft2-type1_tables.html#PS_FontInfoRec">PS_FontInfoRec</a> structure.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
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<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="T1_FontInfo">T1_FontInfo</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TYPE1_TABLES_H (freetype/t1tables.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <a href="ft2-type1_tables.html#PS_FontInfoRec">PS_FontInfoRec</a> <b>T1_FontInfo</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>This type is equivalent to <a href="ft2-type1_tables.html#PS_FontInfoRec">PS_FontInfoRec</a>. It is deprecated but kept to maintain source compatibility between various versions of FreeType.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
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<table align=center width="75%"><tr><td>
<h4><a name="PS_PrivateRec">PS_PrivateRec</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TYPE1_TABLES_H (freetype/t1tables.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> PS_PrivateRec_
{
<a href="ft2-basic_types.html#FT_Int">FT_Int</a> unique_id;
<a href="ft2-basic_types.html#FT_Int">FT_Int</a> lenIV;
<a href="ft2-basic_types.html#FT_Byte">FT_Byte</a> num_blue_values;
<a href="ft2-basic_types.html#FT_Byte">FT_Byte</a> num_other_blues;
<a href="ft2-basic_types.html#FT_Byte">FT_Byte</a> num_family_blues;
<a href="ft2-basic_types.html#FT_Byte">FT_Byte</a> num_family_other_blues;
<a href="ft2-basic_types.html#FT_Short">FT_Short</a> blue_values[14];
<a href="ft2-basic_types.html#FT_Short">FT_Short</a> other_blues[10];
<a href="ft2-basic_types.html#FT_Short">FT_Short</a> family_blues [14];
<a href="ft2-basic_types.html#FT_Short">FT_Short</a> family_other_blues[10];
<a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a> blue_scale;
<a href="ft2-basic_types.html#FT_Int">FT_Int</a> blue_shift;
<a href="ft2-basic_types.html#FT_Int">FT_Int</a> blue_fuzz;
<a href="ft2-basic_types.html#FT_UShort">FT_UShort</a> standard_width[1];
<a href="ft2-basic_types.html#FT_UShort">FT_UShort</a> standard_height[1];
<a href="ft2-basic_types.html#FT_Byte">FT_Byte</a> num_snap_widths;
<a href="ft2-basic_types.html#FT_Byte">FT_Byte</a> num_snap_heights;
<a href="ft2-basic_types.html#FT_Bool">FT_Bool</a> force_bold;
<a href="ft2-basic_types.html#FT_Bool">FT_Bool</a> round_stem_up;
<a href="ft2-basic_types.html#FT_Short">FT_Short</a> snap_widths [13]; /* including std width */
<a href="ft2-basic_types.html#FT_Short">FT_Short</a> snap_heights[13]; /* including std height */
<a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a> expansion_factor;
<a href="ft2-basic_types.html#FT_Long">FT_Long</a> language_group;
<a href="ft2-basic_types.html#FT_Long">FT_Long</a> password;
<a href="ft2-basic_types.html#FT_Short">FT_Short</a> min_feature[2];
} <b>PS_PrivateRec</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A structure used to model a Type&nbsp;1 or Type&nbsp;2 private dictionary. Note that for Multiple Master fonts, each instance has its own Private dictionary.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
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<table align=center width="75%"><tr><td>
<h4><a name="PS_Private">PS_Private</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TYPE1_TABLES_H (freetype/t1tables.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> PS_PrivateRec_* <b>PS_Private</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A handle to a <a href="ft2-type1_tables.html#PS_PrivateRec">PS_PrivateRec</a> structure.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
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<table align=center width="75%"><tr><td>
<h4><a name="T1_Private">T1_Private</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TYPE1_TABLES_H (freetype/t1tables.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <a href="ft2-type1_tables.html#PS_PrivateRec">PS_PrivateRec</a> <b>T1_Private</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>This type is equivalent to <a href="ft2-type1_tables.html#PS_PrivateRec">PS_PrivateRec</a>. It is deprecated but kept to maintain source compatibility between various versions of FreeType.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="T1_Blend_Flags">T1_Blend_Flags</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TYPE1_TABLES_H (freetype/t1tables.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">enum</span> T1_Blend_Flags_
{
/*# required fields in a FontInfo blend dictionary */
T1_BLEND_UNDERLINE_POSITION = 0,
T1_BLEND_UNDERLINE_THICKNESS,
T1_BLEND_ITALIC_ANGLE,
/*# required fields in a Private blend dictionary */
T1_BLEND_BLUE_VALUES,
T1_BLEND_OTHER_BLUES,
T1_BLEND_STANDARD_WIDTH,
T1_BLEND_STANDARD_HEIGHT,
T1_BLEND_STEM_SNAP_WIDTHS,
T1_BLEND_STEM_SNAP_HEIGHTS,
T1_BLEND_BLUE_SCALE,
T1_BLEND_BLUE_SHIFT,
T1_BLEND_FAMILY_BLUES,
T1_BLEND_FAMILY_OTHER_BLUES,
T1_BLEND_FORCE_BOLD,
/*# never remove */
T1_BLEND_MAX
} <b>T1_Blend_Flags</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A set of flags used to indicate which fields are present in a given blend dictionary (font info or private). Used to support Multiple Masters fonts.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="CID_FaceDictRec">CID_FaceDictRec</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TYPE1_TABLES_H (freetype/t1tables.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> CID_FaceDictRec_
{
<a href="ft2-type1_tables.html#PS_PrivateRec">PS_PrivateRec</a> private_dict;
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> len_buildchar;
<a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a> forcebold_threshold;
<a href="ft2-basic_types.html#FT_Pos">FT_Pos</a> stroke_width;
<a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a> expansion_factor;
<a href="ft2-basic_types.html#FT_Byte">FT_Byte</a> paint_type;
<a href="ft2-basic_types.html#FT_Byte">FT_Byte</a> font_type;
<a href="ft2-basic_types.html#FT_Matrix">FT_Matrix</a> font_matrix;
<a href="ft2-basic_types.html#FT_Vector">FT_Vector</a> font_offset;
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> num_subrs;
<a href="ft2-basic_types.html#FT_ULong">FT_ULong</a> subrmap_offset;
<a href="ft2-basic_types.html#FT_Int">FT_Int</a> sd_bytes;
} <b>CID_FaceDictRec</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A structure used to represent data in a CID top-level dictionary.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="CID_FaceDict">CID_FaceDict</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TYPE1_TABLES_H (freetype/t1tables.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> CID_FaceDictRec_* <b>CID_FaceDict</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A handle to a <a href="ft2-type1_tables.html#CID_FaceDictRec">CID_FaceDictRec</a> structure.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="CID_FaceInfoRec">CID_FaceInfoRec</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TYPE1_TABLES_H (freetype/t1tables.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> CID_FaceInfoRec_
{
<a href="ft2-basic_types.html#FT_String">FT_String</a>* cid_font_name;
<a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a> cid_version;
<a href="ft2-basic_types.html#FT_Int">FT_Int</a> cid_font_type;
<a href="ft2-basic_types.html#FT_String">FT_String</a>* registry;
<a href="ft2-basic_types.html#FT_String">FT_String</a>* ordering;
<a href="ft2-basic_types.html#FT_Int">FT_Int</a> supplement;
<a href="ft2-type1_tables.html#PS_FontInfoRec">PS_FontInfoRec</a> font_info;
<a href="ft2-basic_types.html#FT_BBox">FT_BBox</a> font_bbox;
<a href="ft2-basic_types.html#FT_ULong">FT_ULong</a> uid_base;
<a href="ft2-basic_types.html#FT_Int">FT_Int</a> num_xuid;
<a href="ft2-basic_types.html#FT_ULong">FT_ULong</a> xuid[16];
<a href="ft2-basic_types.html#FT_ULong">FT_ULong</a> cidmap_offset;
<a href="ft2-basic_types.html#FT_Int">FT_Int</a> fd_bytes;
<a href="ft2-basic_types.html#FT_Int">FT_Int</a> gd_bytes;
<a href="ft2-basic_types.html#FT_ULong">FT_ULong</a> cid_count;
<a href="ft2-basic_types.html#FT_Int">FT_Int</a> num_dicts;
<a href="ft2-type1_tables.html#CID_FaceDict">CID_FaceDict</a> font_dicts;
<a href="ft2-basic_types.html#FT_ULong">FT_ULong</a> data_offset;
} <b>CID_FaceInfoRec</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A structure used to represent CID Face information.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="CID_FaceInfo">CID_FaceInfo</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TYPE1_TABLES_H (freetype/t1tables.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> CID_FaceInfoRec_* <b>CID_FaceInfo</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A handle to a <a href="ft2-type1_tables.html#CID_FaceInfoRec">CID_FaceInfoRec</a> structure.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="CID_Info">CID_Info</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TYPE1_TABLES_H (freetype/t1tables.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <a href="ft2-type1_tables.html#CID_FaceInfoRec">CID_FaceInfoRec</a> <b>CID_Info</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>This type is equivalent to <a href="ft2-type1_tables.html#CID_FaceInfoRec">CID_FaceInfoRec</a>. It is deprecated but kept to maintain source compatibility between various versions of FreeType.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Has_PS_Glyph_Names">FT_Has_PS_Glyph_Names</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TYPE1_TABLES_H (freetype/t1tables.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Int">FT_Int</a> )
<b>FT_Has_PS_Glyph_Names</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Return true if a given face provides reliable PostScript glyph names. This is similar to using the <a href="ft2-base_interface.html#FT_HAS_GLYPH_NAMES">FT_HAS_GLYPH_NAMES</a> macro, except that certain fonts (mostly TrueType) contain incorrect glyph name tables.</p>
<p>When this function returns true, the caller is sure that the glyph names returned by <a href="ft2-base_interface.html#FT_Get_Glyph_Name">FT_Get_Glyph_Name</a> are reliable.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>face handle</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>Boolean. True if glyph names are reliable.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Get_PS_Font_Info">FT_Get_PS_Font_Info</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TYPE1_TABLES_H (freetype/t1tables.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Get_PS_Font_Info</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
<a href="ft2-type1_tables.html#PS_FontInfo">PS_FontInfo</a> afont_info );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Retrieve the <a href="ft2-type1_tables.html#PS_FontInfoRec">PS_FontInfoRec</a> structure corresponding to a given PostScript font.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>PostScript face handle.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>afont_info</b></td><td>
<p>Output font info structure pointer.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>The string pointers within the font info structure are owned by the face and don't need to be freed by the caller.</p>
<p>If the font's format is not PostScript-based, this function will return the &lsquo;FT_Err_Invalid_Argument&rsquo; error code.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Get_PS_Font_Private">FT_Get_PS_Font_Private</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TYPE1_TABLES_H (freetype/t1tables.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Get_PS_Font_Private</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
<a href="ft2-type1_tables.html#PS_Private">PS_Private</a> afont_private );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Retrieve the <a href="ft2-type1_tables.html#PS_PrivateRec">PS_PrivateRec</a> structure corresponding to a given PostScript font.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>PostScript face handle.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>afont_private</b></td><td>
<p>Output private dictionary structure pointer.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>The string pointers within the <a href="ft2-type1_tables.html#PS_PrivateRec">PS_PrivateRec</a> structure are owned by the face and don't need to be freed by the caller.</p>
<p>If the font's format is not PostScript-based, this function returns the &lsquo;FT_Err_Invalid_Argument&rsquo; error code.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="T1_EncodingType">T1_EncodingType</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TYPE1_TABLES_H (freetype/t1tables.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">enum</span> T1_EncodingType_
{
T1_ENCODING_TYPE_NONE = 0,
T1_ENCODING_TYPE_ARRAY,
T1_ENCODING_TYPE_STANDARD,
T1_ENCODING_TYPE_ISOLATIN1,
T1_ENCODING_TYPE_EXPERT
} <b>T1_EncodingType</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>An enumeration describing the &lsquo;Encoding&rsquo; entry in a Type 1 dictionary.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="PS_Dict_Keys">PS_Dict_Keys</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TYPE1_TABLES_H (freetype/t1tables.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">enum</span> PS_Dict_Keys_
{
/* conventionally in the font dictionary */
PS_DICT_FONT_TYPE, /* <a href="ft2-basic_types.html#FT_Byte">FT_Byte</a> */
PS_DICT_FONT_MATRIX, /* <a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a> */
PS_DICT_FONT_BBOX, /* <a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a> */
PS_DICT_PAINT_TYPE, /* <a href="ft2-basic_types.html#FT_Byte">FT_Byte</a> */
PS_DICT_FONT_NAME, /* <a href="ft2-basic_types.html#FT_String">FT_String</a>* */
PS_DICT_UNIQUE_ID, /* <a href="ft2-basic_types.html#FT_Int">FT_Int</a> */
PS_DICT_NUM_CHAR_STRINGS, /* <a href="ft2-basic_types.html#FT_Int">FT_Int</a> */
PS_DICT_CHAR_STRING_KEY, /* <a href="ft2-basic_types.html#FT_String">FT_String</a>* */
PS_DICT_CHAR_STRING, /* <a href="ft2-basic_types.html#FT_String">FT_String</a>* */
PS_DICT_ENCODING_TYPE, /* <a href="ft2-type1_tables.html#T1_EncodingType">T1_EncodingType</a> */
PS_DICT_ENCODING_ENTRY, /* <a href="ft2-basic_types.html#FT_String">FT_String</a>* */
/* conventionally in the font Private dictionary */
PS_DICT_NUM_SUBRS, /* <a href="ft2-basic_types.html#FT_Int">FT_Int</a> */
PS_DICT_SUBR, /* <a href="ft2-basic_types.html#FT_String">FT_String</a>* */
PS_DICT_STD_HW, /* <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a> */
PS_DICT_STD_VW, /* <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a> */
PS_DICT_NUM_BLUE_VALUES, /* <a href="ft2-basic_types.html#FT_Byte">FT_Byte</a> */
PS_DICT_BLUE_VALUE, /* <a href="ft2-basic_types.html#FT_Short">FT_Short</a> */
PS_DICT_BLUE_FUZZ, /* <a href="ft2-basic_types.html#FT_Int">FT_Int</a> */
PS_DICT_NUM_OTHER_BLUES, /* <a href="ft2-basic_types.html#FT_Byte">FT_Byte</a> */
PS_DICT_OTHER_BLUE, /* <a href="ft2-basic_types.html#FT_Short">FT_Short</a> */
PS_DICT_NUM_FAMILY_BLUES, /* <a href="ft2-basic_types.html#FT_Byte">FT_Byte</a> */
PS_DICT_FAMILY_BLUE, /* <a href="ft2-basic_types.html#FT_Short">FT_Short</a> */
PS_DICT_NUM_FAMILY_OTHER_BLUES, /* <a href="ft2-basic_types.html#FT_Byte">FT_Byte</a> */
PS_DICT_FAMILY_OTHER_BLUE, /* <a href="ft2-basic_types.html#FT_Short">FT_Short</a> */
PS_DICT_BLUE_SCALE, /* <a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a> */
PS_DICT_BLUE_SHIFT, /* <a href="ft2-basic_types.html#FT_Int">FT_Int</a> */
PS_DICT_NUM_STEM_SNAP_H, /* <a href="ft2-basic_types.html#FT_Byte">FT_Byte</a> */
PS_DICT_STEM_SNAP_H, /* <a href="ft2-basic_types.html#FT_Short">FT_Short</a> */
PS_DICT_NUM_STEM_SNAP_V, /* <a href="ft2-basic_types.html#FT_Byte">FT_Byte</a> */
PS_DICT_STEM_SNAP_V, /* <a href="ft2-basic_types.html#FT_Short">FT_Short</a> */
PS_DICT_FORCE_BOLD, /* <a href="ft2-basic_types.html#FT_Bool">FT_Bool</a> */
PS_DICT_RND_STEM_UP, /* <a href="ft2-basic_types.html#FT_Bool">FT_Bool</a> */
PS_DICT_MIN_FEATURE, /* <a href="ft2-basic_types.html#FT_Short">FT_Short</a> */
PS_DICT_LEN_IV, /* <a href="ft2-basic_types.html#FT_Int">FT_Int</a> */
PS_DICT_PASSWORD, /* <a href="ft2-basic_types.html#FT_Long">FT_Long</a> */
PS_DICT_LANGUAGE_GROUP, /* <a href="ft2-basic_types.html#FT_Long">FT_Long</a> */
/* conventionally in the font FontInfo dictionary */
PS_DICT_VERSION, /* <a href="ft2-basic_types.html#FT_String">FT_String</a>* */
PS_DICT_NOTICE, /* <a href="ft2-basic_types.html#FT_String">FT_String</a>* */
PS_DICT_FULL_NAME, /* <a href="ft2-basic_types.html#FT_String">FT_String</a>* */
PS_DICT_FAMILY_NAME, /* <a href="ft2-basic_types.html#FT_String">FT_String</a>* */
PS_DICT_WEIGHT, /* <a href="ft2-basic_types.html#FT_String">FT_String</a>* */
PS_DICT_IS_FIXED_PITCH, /* <a href="ft2-basic_types.html#FT_Bool">FT_Bool</a> */
PS_DICT_UNDERLINE_POSITION, /* <a href="ft2-basic_types.html#FT_Short">FT_Short</a> */
PS_DICT_UNDERLINE_THICKNESS, /* <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a> */
PS_DICT_FS_TYPE, /* <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a> */
PS_DICT_ITALIC_ANGLE, /* <a href="ft2-basic_types.html#FT_Long">FT_Long</a> */
PS_DICT_MAX = PS_DICT_ITALIC_ANGLE
} <b>PS_Dict_Keys</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>An enumeration used in calls to <a href="ft2-type1_tables.html#FT_Get_PS_Font_Value">FT_Get_PS_Font_Value</a> to identify the Type&nbsp;1 dictionary entry to retrieve.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Get_PS_Font_Value">FT_Get_PS_Font_Value</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_TYPE1_TABLES_H (freetype/t1tables.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Long">FT_Long</a> )
<b>FT_Get_PS_Font_Value</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
<a href="ft2-type1_tables.html#PS_Dict_Keys">PS_Dict_Keys</a> key,
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> idx,
<span class="keyword">void</span> *value,
<a href="ft2-basic_types.html#FT_Long">FT_Long</a> value_len );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Retrieve the value for the supplied key from a PostScript font.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>PostScript face handle.</p>
</td></tr>
<tr valign=top><td><b>key</b></td><td>
<p>An enumeration value representing the dictionary key to retrieve.</p>
</td></tr>
<tr valign=top><td><b>idx</b></td><td>
<p>For array values, this specifies the index to be returned.</p>
</td></tr>
<tr valign=top><td><b>value</b></td><td>
<p>A pointer to memory into which to write the value.</p>
</td></tr>
<tr valign=top><td><b>valen_len</b></td><td>
<p>The size, in bytes, of the memory supplied for the value.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>value</b></td><td>
<p>The value matching the above key, if it exists.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>The amount of memory (in bytes) required to hold the requested value (if it exists, -1 otherwise).</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>The values returned are not pointers into the internal structures of the face, but are &lsquo;fresh&rsquo; copies, so that the memory containing them belongs to the calling application. This also enforces the &lsquo;read-only&rsquo; nature of these values, i.e., this function cannot be used to manipulate the face.</p>
<p>&lsquo;value&rsquo; is a void pointer because the values returned can be of various types.</p>
<p>If either &lsquo;value&rsquo; is NULL or &lsquo;value_len&rsquo; is too small, just the required memory size for the requested entry is returned.</p>
<p>The &lsquo;idx&rsquo; parameter is used, not only to retrieve elements of, for example, the FontMatrix or FontBBox, but also to retrieve name keys from the CharStrings dictionary, and the charstrings themselves. It is ignored for atomic values.</p>
<p>PS_DICT_BLUE_SCALE returns a value that is scaled up by 1000. To get the value as in the font stream, you need to divide by 65536000.0 (to remove the FT_Fixed scale, and the x1000 scale).</p>
<p>IMPORTANT: Only key/value pairs read by the FreeType interpreter can be retrieved. So, for example, PostScript procedures such as NP, ND, and RD are not available. Arbitrary keys are, obviously, not be available either.</p>
<p>If the font's format is not PostScript-based, this function returns the &lsquo;FT_Err_Invalid_Argument&rsquo; error code.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
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<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
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<center><h1>FreeType-2.5.0 API Reference</h1></center>
<center><h1>
User allocation
</h1></center>
<table align=center width="87%"><tr><td>
<p>FreeType assumes that structures allocated by the user and passed as arguments are zeroed out except for the actual data. In other words, it is recommended to use &lsquo;calloc&rsquo; (or variants of it) instead of &lsquo;malloc&rsquo; for allocation.</p>
</td></tr></table><br>
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<td width="100%"></td>
<td><font size=-1>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<center><h1>FreeType-2.5.0 API Reference</h1></center>
<center><h1>
FreeType Version
</h1></center>
<h2>Synopsis</h2>
<table align=center cellspacing=5 cellpadding=0 border=0>
<tr><td></td><td><a href="#FREETYPE_XXX">FREETYPE_XXX</a></td><td></td><td><a href="#FT_Face_CheckTrueTypePatents">FT_Face_CheckTrueTypePatents</a></td></tr>
<tr><td></td><td><a href="#FT_Library_Version">FT_Library_Version</a></td><td></td><td><a href="#FT_Face_SetUnpatentedHinting">FT_Face_SetUnpatentedHinting</a></td></tr>
</table><br><br>
<table align=center width="87%"><tr><td>
<p>Note that those functions and macros are of limited use because even a new release of FreeType with only documentation changes increases the version number.</p>
</td></tr></table><br>
<table align=center width="75%"><tr><td>
<h4><a name="FREETYPE_XXX">FREETYPE_XXX</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_FREETYPE_H (freetype/freetype.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <a href="ft2-version.html#FREETYPE_XXX">FREETYPE_MAJOR</a> 2
#define <a href="ft2-version.html#FREETYPE_XXX">FREETYPE_MINOR</a> 5
#define <a href="ft2-version.html#FREETYPE_XXX">FREETYPE_PATCH</a> 0
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>These three macros identify the FreeType source code version. Use <a href="ft2-version.html#FT_Library_Version">FT_Library_Version</a> to access them at runtime.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>values</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>FREETYPE_MAJOR</b></td><td>
<p>The major version number.</p>
</td></tr>
<tr valign=top><td><b>FREETYPE_MINOR</b></td><td>
<p>The minor version number.</p>
</td></tr>
<tr valign=top><td><b>FREETYPE_PATCH</b></td><td>
<p>The patch level.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>The version number of FreeType if built as a dynamic link library with the &lsquo;libtool&rsquo; package is <i>not</i> controlled by these three macros.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Library_Version">FT_Library_Version</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_FREETYPE_H (freetype/freetype.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <span class="keyword">void</span> )
<b>FT_Library_Version</b>( <a href="ft2-base_interface.html#FT_Library">FT_Library</a> library,
<a href="ft2-basic_types.html#FT_Int">FT_Int</a> *amajor,
<a href="ft2-basic_types.html#FT_Int">FT_Int</a> *aminor,
<a href="ft2-basic_types.html#FT_Int">FT_Int</a> *apatch );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Return the version of the FreeType library being used. This is useful when dynamically linking to the library, since one cannot use the macros <a href="ft2-version.html#FREETYPE_XXX">FREETYPE_MAJOR</a>, <a href="ft2-version.html#FREETYPE_XXX">FREETYPE_MINOR</a>, and <a href="ft2-version.html#FREETYPE_XXX">FREETYPE_PATCH</a>.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>library</b></td><td>
<p>A source library handle.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>amajor</b></td><td>
<p>The major version number.</p>
</td></tr>
<tr valign=top><td><b>aminor</b></td><td>
<p>The minor version number.</p>
</td></tr>
<tr valign=top><td><b>apatch</b></td><td>
<p>The patch version number.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>The reason why this function takes a &lsquo;library&rsquo; argument is because certain programs implement library initialization in a custom way that doesn't use <a href="ft2-base_interface.html#FT_Init_FreeType">FT_Init_FreeType</a>.</p>
<p>In such cases, the library version might not be available before the library object has been created.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Face_CheckTrueTypePatents">FT_Face_CheckTrueTypePatents</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_FREETYPE_H (freetype/freetype.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Bool">FT_Bool</a> )
<b>FT_Face_CheckTrueTypePatents</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Parse all bytecode instructions of a TrueType font file to check whether any of the patented opcodes are used. This is only useful if you want to be able to use the unpatented hinter with fonts that do <b>not</b> use these opcodes.</p>
<p>Note that this function parses <b>all</b> glyph instructions in the font file, which may be slow.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>A face handle.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>1&nbsp;if this is a TrueType font that uses one of the patented opcodes, 0&nbsp;otherwise.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>Since May 2010, TrueType hinting is no longer patented.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>since</b></em></td></tr><tr><td>
<p>2.3.5</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Face_SetUnpatentedHinting">FT_Face_SetUnpatentedHinting</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_FREETYPE_H (freetype/freetype.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Bool">FT_Bool</a> )
<b>FT_Face_SetUnpatentedHinting</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
<a href="ft2-basic_types.html#FT_Bool">FT_Bool</a> value );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Enable or disable the unpatented hinter for a given face. Only enable it if you have determined that the face doesn't use any patented opcodes (see <a href="ft2-version.html#FT_Face_CheckTrueTypePatents">FT_Face_CheckTrueTypePatents</a>).</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>A face handle.</p>
</td></tr>
<tr valign=top><td><b>value</b></td><td>
<p>New boolean setting.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>The old setting value. This will always be false if this is not an SFNT font, or if the unpatented hinter is not compiled in this instance of the library.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>Since May 2010, TrueType hinting is no longer patented.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>since</b></em></td></tr><tr><td>
<p>2.3.5</p>
</td></tr></table>
</td></tr></table>
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<center><h1>FreeType-2.5.0 API Reference</h1></center>
<center><h1>
Window FNT Files
</h1></center>
<h2>Synopsis</h2>
<table align=center cellspacing=5 cellpadding=0 border=0>
<tr><td></td><td><a href="#FT_WinFNT_ID_XXX">FT_WinFNT_ID_XXX</a></td><td></td><td><a href="#FT_WinFNT_Header">FT_WinFNT_Header</a></td><td></td><td></td></tr>
<tr><td></td><td><a href="#FT_WinFNT_HeaderRec">FT_WinFNT_HeaderRec</a></td><td></td><td><a href="#FT_Get_WinFNT_Header">FT_Get_WinFNT_Header</a></td><td></td><td></td></tr>
</table><br><br>
<table align=center width="87%"><tr><td>
<p>This section contains the declaration of Windows FNT specific functions.</p>
</td></tr></table><br>
<table align=center width="75%"><tr><td>
<h4><a name="FT_WinFNT_ID_XXX">FT_WinFNT_ID_XXX</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_WINFONTS_H (freetype/ftwinfnt.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
#define <a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_CP1252</a> 0
#define <a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_DEFAULT</a> 1
#define <a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_SYMBOL</a> 2
#define <a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_MAC</a> 77
#define <a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_CP932</a> 128
#define <a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_CP949</a> 129
#define <a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_CP1361</a> 130
#define <a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_CP936</a> 134
#define <a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_CP950</a> 136
#define <a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_CP1253</a> 161
#define <a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_CP1254</a> 162
#define <a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_CP1258</a> 163
#define <a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_CP1255</a> 177
#define <a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_CP1256</a> 178
#define <a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_CP1257</a> 186
#define <a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_CP1251</a> 204
#define <a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_CP874</a> 222
#define <a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_CP1250</a> 238
#define <a href="ft2-winfnt_fonts.html#FT_WinFNT_ID_XXX">FT_WinFNT_ID_OEM</a> 255
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A list of valid values for the &lsquo;charset&rsquo; byte in <a href="ft2-winfnt_fonts.html#FT_WinFNT_HeaderRec">FT_WinFNT_HeaderRec</a>. Exact mapping tables for the various cpXXXX encodings (except for cp1361) can be found at ftp://ftp.unicode.org in the MAPPINGS/VENDORS/MICSFT/WINDOWS subdirectory. cp1361 is roughly a superset of MAPPINGS/OBSOLETE/EASTASIA/KSC/JOHAB.TXT.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>values</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>FT_WinFNT_ID_DEFAULT</b></td><td>
<p>This is used for font enumeration and font creation as a &lsquo;don't care&rsquo; value. Valid font files don't contain this value. When querying for information about the character set of the font that is currently selected into a specified device context, this return value (of the related Windows API) simply denotes failure.</p>
</td></tr>
<tr valign=top><td><b>FT_WinFNT_ID_SYMBOL</b></td><td>
<p>There is no known mapping table available.</p>
</td></tr>
<tr valign=top><td><b>FT_WinFNT_ID_MAC</b></td><td>
<p>Mac Roman encoding.</p>
</td></tr>
<tr valign=top><td><b>FT_WinFNT_ID_OEM</b></td><td>
<p>From Michael Pöttgen &lt;michael@poettgen.de&gt;:</p>
<p>The &lsquo;Windows Font Mapping&rsquo; article says that FT_WinFNT_ID_OEM is used for the charset of vector fonts, like &lsquo;modern.fon&rsquo;, &lsquo;roman.fon&rsquo;, and &lsquo;script.fon&rsquo; on Windows.</p>
<p>The &lsquo;CreateFont&rsquo; documentation says: The FT_WinFNT_ID_OEM value specifies a character set that is operating-system dependent.</p>
<p>The &lsquo;IFIMETRICS&rsquo; documentation from the &lsquo;Windows Driver Development Kit&rsquo; says: This font supports an OEM-specific character set. The OEM character set is system dependent.</p>
<p>In general OEM, as opposed to ANSI (i.e., cp1252), denotes the second default codepage that most international versions of Windows have. It is one of the OEM codepages from</p>
<p>http://www.microsoft.com/globaldev/reference/cphome.mspx,</p>
<p>and is used for the &lsquo;DOS boxes&rsquo;, to support legacy applications. A German Windows version for example usually uses ANSI codepage 1252 and OEM codepage 850.</p>
</td></tr>
<tr valign=top><td><b>FT_WinFNT_ID_CP874</b></td><td>
<p>A superset of Thai TIS 620 and ISO 8859-11.</p>
</td></tr>
<tr valign=top><td><b>FT_WinFNT_ID_CP932</b></td><td>
<p>A superset of Japanese Shift-JIS (with minor deviations).</p>
</td></tr>
<tr valign=top><td><b>FT_WinFNT_ID_CP936</b></td><td>
<p>A superset of simplified Chinese GB 2312-1980 (with different ordering and minor deviations).</p>
</td></tr>
<tr valign=top><td><b>FT_WinFNT_ID_CP949</b></td><td>
<p>A superset of Korean Hangul KS&nbsp;C 5601-1987 (with different ordering and minor deviations).</p>
</td></tr>
<tr valign=top><td><b>FT_WinFNT_ID_CP950</b></td><td>
<p>A superset of traditional Chinese Big&nbsp;5 ETen (with different ordering and minor deviations).</p>
</td></tr>
<tr valign=top><td><b>FT_WinFNT_ID_CP1250</b></td><td>
<p>A superset of East European ISO 8859-2 (with slightly different ordering).</p>
</td></tr>
<tr valign=top><td><b>FT_WinFNT_ID_CP1251</b></td><td>
<p>A superset of Russian ISO 8859-5 (with different ordering).</p>
</td></tr>
<tr valign=top><td><b>FT_WinFNT_ID_CP1252</b></td><td>
<p>ANSI encoding. A superset of ISO 8859-1.</p>
</td></tr>
<tr valign=top><td><b>FT_WinFNT_ID_CP1253</b></td><td>
<p>A superset of Greek ISO 8859-7 (with minor modifications).</p>
</td></tr>
<tr valign=top><td><b>FT_WinFNT_ID_CP1254</b></td><td>
<p>A superset of Turkish ISO 8859-9.</p>
</td></tr>
<tr valign=top><td><b>FT_WinFNT_ID_CP1255</b></td><td>
<p>A superset of Hebrew ISO 8859-8 (with some modifications).</p>
</td></tr>
<tr valign=top><td><b>FT_WinFNT_ID_CP1256</b></td><td>
<p>A superset of Arabic ISO 8859-6 (with different ordering).</p>
</td></tr>
<tr valign=top><td><b>FT_WinFNT_ID_CP1257</b></td><td>
<p>A superset of Baltic ISO 8859-13 (with some deviations).</p>
</td></tr>
<tr valign=top><td><b>FT_WinFNT_ID_CP1258</b></td><td>
<p>For Vietnamese. This encoding doesn't cover all necessary characters.</p>
</td></tr>
<tr valign=top><td><b>FT_WinFNT_ID_CP1361</b></td><td>
<p>Korean (Johab).</p>
</td></tr>
</table>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_WinFNT_HeaderRec">FT_WinFNT_HeaderRec</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_WINFONTS_H (freetype/ftwinfnt.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> FT_WinFNT_HeaderRec_
{
<a href="ft2-basic_types.html#FT_UShort">FT_UShort</a> version;
<a href="ft2-basic_types.html#FT_ULong">FT_ULong</a> file_size;
<a href="ft2-basic_types.html#FT_Byte">FT_Byte</a> copyright[60];
<a href="ft2-basic_types.html#FT_UShort">FT_UShort</a> file_type;
<a href="ft2-basic_types.html#FT_UShort">FT_UShort</a> nominal_point_size;
<a href="ft2-basic_types.html#FT_UShort">FT_UShort</a> vertical_resolution;
<a href="ft2-basic_types.html#FT_UShort">FT_UShort</a> horizontal_resolution;
<a href="ft2-basic_types.html#FT_UShort">FT_UShort</a> ascent;
<a href="ft2-basic_types.html#FT_UShort">FT_UShort</a> internal_leading;
<a href="ft2-basic_types.html#FT_UShort">FT_UShort</a> external_leading;
<a href="ft2-basic_types.html#FT_Byte">FT_Byte</a> italic;
<a href="ft2-basic_types.html#FT_Byte">FT_Byte</a> underline;
<a href="ft2-basic_types.html#FT_Byte">FT_Byte</a> strike_out;
<a href="ft2-basic_types.html#FT_UShort">FT_UShort</a> weight;
<a href="ft2-basic_types.html#FT_Byte">FT_Byte</a> charset;
<a href="ft2-basic_types.html#FT_UShort">FT_UShort</a> pixel_width;
<a href="ft2-basic_types.html#FT_UShort">FT_UShort</a> pixel_height;
<a href="ft2-basic_types.html#FT_Byte">FT_Byte</a> pitch_and_family;
<a href="ft2-basic_types.html#FT_UShort">FT_UShort</a> avg_width;
<a href="ft2-basic_types.html#FT_UShort">FT_UShort</a> max_width;
<a href="ft2-basic_types.html#FT_Byte">FT_Byte</a> first_char;
<a href="ft2-basic_types.html#FT_Byte">FT_Byte</a> last_char;
<a href="ft2-basic_types.html#FT_Byte">FT_Byte</a> default_char;
<a href="ft2-basic_types.html#FT_Byte">FT_Byte</a> break_char;
<a href="ft2-basic_types.html#FT_UShort">FT_UShort</a> bytes_per_row;
<a href="ft2-basic_types.html#FT_ULong">FT_ULong</a> device_offset;
<a href="ft2-basic_types.html#FT_ULong">FT_ULong</a> face_name_offset;
<a href="ft2-basic_types.html#FT_ULong">FT_ULong</a> bits_pointer;
<a href="ft2-basic_types.html#FT_ULong">FT_ULong</a> bits_offset;
<a href="ft2-basic_types.html#FT_Byte">FT_Byte</a> reserved;
<a href="ft2-basic_types.html#FT_ULong">FT_ULong</a> flags;
<a href="ft2-basic_types.html#FT_UShort">FT_UShort</a> A_space;
<a href="ft2-basic_types.html#FT_UShort">FT_UShort</a> B_space;
<a href="ft2-basic_types.html#FT_UShort">FT_UShort</a> C_space;
<a href="ft2-basic_types.html#FT_UShort">FT_UShort</a> color_table_offset;
<a href="ft2-basic_types.html#FT_ULong">FT_ULong</a> reserved1[4];
} <b>FT_WinFNT_HeaderRec</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Windows FNT Header info.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_WinFNT_Header">FT_WinFNT_Header</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_WINFONTS_H (freetype/ftwinfnt.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
<span class="keyword">typedef</span> <span class="keyword">struct</span> FT_WinFNT_HeaderRec_* <b>FT_WinFNT_Header</b>;
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>A handle to an <a href="ft2-winfnt_fonts.html#FT_WinFNT_HeaderRec">FT_WinFNT_HeaderRec</a> structure.</p>
</td></tr></table><br>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Get_WinFNT_Header">FT_Get_WinFNT_Header</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_WINFONTS_H (freetype/ftwinfnt.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
<b>FT_Get_WinFNT_Header</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
<a href="ft2-winfnt_fonts.html#FT_WinFNT_HeaderRec">FT_WinFNT_HeaderRec</a> *aheader );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Retrieve a Windows FNT font info header.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>A handle to the input face.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>aheader</b></td><td>
<p>The WinFNT header.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>This function only works with Windows FNT faces, returning an error otherwise.</p>
</td></tr></table>
</td></tr></table>
<hr width="75%">
<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
<td width="100%"></td>
<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
</body>
</html>
libs/freetype-2.5.0.1/docs/release
+216
View File
@@ -0,0 +1,216 @@
How to prepare a new release
----------------------------
. include/freetype/freetype.h: Update FREETYPE_MAJOR, FREETYPE_MINOR,
and FREETYPE_PATCH.
. Update version numbers in all files where necessary (for example, do
a grep for both `2.3.1' and `231' for release 2.3.1).
. builds/unix/configure.raw: Update `version_info'.
. docs/CHANGES: Document differences to last release.
. README: Update.
. docs/VERSION.DLL: Document changed `version_info'.
. ChangeLog: Announce new release (both in the freetype2 and
freetype2-demos modules).
. Clone the git archive to another directory with
git clone -l -s . ../freetype2.test
or something like this and run
make distclean; make devel; make
make distclean; make devel; make multi
make distclean; make devel CC=g++; make CC=g++
make distclean; make devel CC=g++; make multi CC=g++
sh autogen.sh
make distclean; ./configure; make
make distclean; ./configure CC=g++; make
in the cloned repository to test compilation with both gcc and g++.
. Test C++ compilation for freetype2-demos too (using `git clone' as
above).
. Run src/tools/chktrcmp.py and check that there are no undefined
trace_XXXX macros.
. Tag the git repositories (freetype2, freetype2-demos) with
git tag VER-<version> -m "" -u <committer>
and push the tags with
git push --tags
TODO: Tag the home page CVS on savannah.nongnu.org.
. Check with
git clean -ndx
that the git directory is really clean (and remove extraneous files
if necessary).
. Say `make dist' in both the freetype2 and freetype2-demos modules
to generate the .tar.gz, .tar.bz2, and .zip files.
. Create the doc bundles (freetype-doc-<version>.tar.gz,
freetype-doc-<version>.tar.bz2, ftdoc<version>.zip). This is
everything below
freetype.freedesktop.org:/srv/freetype.freedesktop.org/www/freetype2/docs/
except the `reference' subdirectory. Do *not* use option `-l' from
zip!
. Run the following script (with updated `$VERSION', `$SAVANNAH_USER',
and $SOURCEFORGE_USER variables) to sign and upload the bundles to
both Savannah and SourceForge. The signing code has been taken from
the `gnupload' script (part of the automake bundle).
#!/bin/sh
VERSION=2.4.8
SAVANNAH_USER=wl
SOURCEFORGE_USER=wlemb
#####################################################################
GPG='/usr/bin/gpg --batch --no-tty'
version=`echo $VERSION | sed "s/\\.//g"`
FREETYPE_PACKAGES="freetype-$VERSION.tar.gz \
freetype-$VERSION.tar.bz2 \
ft$version.zip"
FT2DEMOS_PACKAGES="ft2demos-$VERSION.tar.gz \
ft2demos-$VERSION.tar.bz2 \
ftdmo$version.zip"
FTDOC_PACKAGES="freetype-doc-$VERSION.tar.gz \
freetype-doc-$VERSION.tar.bz2 \
ftdoc$version.zip"
PACKAGE_LIST="$FREETYPE_PACKAGES \
$FT2DEMOS_PACKAGES \
$FTDOC_PACKAGES"
set -e
unset passphrase
PATH=/empty echo -n "Enter GPG passphrase: "
stty -echo
read -r passphrase
stty echo
echo
for f in $PACKAGE_LIST; do
if test ! -f $f; then
echo "$0: Cannot find \`$f'" 1>&2
exit 1
else
:
fi
done
for f in $PACKAGE_LIST; do
echo "Signing $f..."
rm -f $f.sig
echo $passphrase | $GPG --passphrase-fd 0 -ba -o $f.sig $f
done
FREETYPE_SIGNATURES=
for i in $FREETYPE_PACKAGES; do
FREETYPE_SIGNATURES="$FREETYPE_SIGNATURES $i.sig"
done
FT2DEMOS_SIGNATURES=
for i in $FT2DEMOS_PACKAGES; do
FT2DEMOS_SIGNATURES="$FT2DEMOS_SIGNATURES $i.sig"
done
FTDOC_SIGNATURES=
for i in $FTDOC_PACKAGES; do
FTDOC_SIGNATURES="$FTDOC_SIGNATURES $i.sig"
done
SIGNATURE_LIST="$FREETYPE_SIGNATURES \
$FT2DEMOS_SIGNATURES \
$FTDOC_SIGNATURES"
scp $PACKAGE_LIST $SIGNATURE_LIST \
$SAVANNAH_USER@dl.sv.nongnu.org:/releases/freetype/
rsync -avP -e ssh $FREETYPE_PACKAGES $FREETYPE_SIGNATURES \
$SOURCEFORGE_USER,freetype@frs.sf.net:/home/frs/project/f/fr/freetype/freetype2/$VERSION/
rsync -avP -e ssh $FT2DEMOS_PACKAGES $FT2DEMOS_SIGNATURES \
$SOURCEFORGE_USER,freetype@frs.sf.net:/home/frs/project/f/fr/freetype/freetype-demos/$VERSION/
rsync -avP -e ssh $FTDOC_PACKAGES $FTDOC_SIGNATURES \
$SOURCEFORGE_USER,freetype@frs.sf.net:/home/frs/project/f/fr/freetype/freetype-docs/$VERSION/
# EOF
. Prepare a README for SourceForge and upload it with the following
script (with updated `$VERSION' and $SOURCEFORGE_USER variables).
#!/bin/sh
VERSION=2.4.8
SOURCEFORGE_USER=wlemb
#####################################################################
rsync -avP -e ssh README \
$SOURCEFORGE_USER,freetype@frs.sf.net:/home/frs/project/f/fr/freetype/freetype2/$VERSION/
# EOF
. On SourceForge, tag the just uploaded `ftXXXX.zip' and
`freetype-XXX.tar.bz2' files as the default files to download for
`Windows' and `Others', respectively.
. Copy the reference files (generated by `make dist') to
freetype.freedesktop.org:/srv/freetype.freedesktop.org/www/freetype2/docs/reference
and
shell.sf.net:/home/groups/f/fr/freetype/htdocs/freetype2/docs/reference
TODO: Create FreeType home page CVS on savannah.nongnu.org and
update it accordingly.
Write script to automatically do this.
Mirror FreeType's savannah home page everywhere.
. Update
freetype.freedesktop.org:/srv/freetype.freedesktop.org/www/index2.html
and copy it to
shell.sf.net:/home/groups/f/fr/freetype/htdocs/index2.html
. Announce new release on freetype-announce@nongnu.org and to relevant
newsgroups.
----------------------------------------------------------------------
Copyright 2003, 2005-2007, 2009, 2011-2012 by
David Turner, Robert Wilhelm, and Werner Lemberg.
This file is part of the FreeType project, and may only be used,
modified, and distributed under the terms of the FreeType project
license, LICENSE.TXT. By continuing to use, modify, or distribute
this file you indicate that you have read the license and understand
and accept it fully.
--- end of release ---