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Add libjpeg-turbo 1.3.1.

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This commit is contained in:
rude
2014-04-21 15:10:35 +02:00
parent 4a4f1f3329
commit d74126b4fd
355 changed files with 154340 additions and 0 deletions
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libs/libjpeg-turbo/java/CMakeLists.txt
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set(JAR_FILE turbojpeg.jar)
set(MANIFEST_FILE ${CMAKE_CURRENT_SOURCE_DIR}/MANIFEST.MF)
set(JAVA_CLASSNAMES org/libjpegturbo/turbojpeg/TJ
org/libjpegturbo/turbojpeg/TJCompressor
org/libjpegturbo/turbojpeg/TJCustomFilter
org/libjpegturbo/turbojpeg/TJDecompressor
org/libjpegturbo/turbojpeg/TJScalingFactor
org/libjpegturbo/turbojpeg/TJTransform
org/libjpegturbo/turbojpeg/TJTransformer
TJUnitTest
TJExample
TJBench)
if(MSVC_IDE)
set(OBJDIR "${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}")
else()
set(OBJDIR ${CMAKE_CURRENT_BINARY_DIR})
endif()
set(TURBOJPEG_DLL_NAME "turbojpeg")
if(MINGW)
set(TURBOJPEG_DLL_NAME "libturbojpeg")
endif()
configure_file(org/libjpegturbo/turbojpeg/TJLoader.java.in
${CMAKE_CURRENT_BINARY_DIR}/org/libjpegturbo/turbojpeg/TJLoader.java)
set(JAVA_SOURCES "")
set(JAVA_CLASSES "")
set(JAVA_CLASSES_FULL "")
foreach(class ${JAVA_CLASSNAMES})
set(JAVA_SOURCES ${JAVA_SOURCES} ${CMAKE_CURRENT_SOURCE_DIR}/${class}.java)
set(JAVA_CLASSES ${JAVA_CLASSES} ${class}.class)
set(JAVA_CLASSES_FULL ${JAVA_CLASSES_FULL} ${OBJDIR}/${class}.class)
endforeach()
set(JAVA_SOURCES ${JAVA_SOURCES}
${CMAKE_CURRENT_BINARY_DIR}/org/libjpegturbo/turbojpeg/TJLoader.java)
set(JAVA_CLASSES ${JAVA_CLASSES}
org/libjpegturbo/turbojpeg/TJLoader.class)
set(JAVA_CLASSES_FULL ${JAVA_CLASSES_FULL}
${OBJDIR}/org/libjpegturbo/turbojpeg/TJLoader.class)
string(REGEX REPLACE " " ";" JAVACFLAGS "${JAVACFLAGS}")
add_custom_command(OUTPUT ${JAVA_CLASSES_FULL} DEPENDS ${JAVA_SOURCES}
COMMAND ${JAVA_COMPILE} ARGS ${JAVACFLAGS} -d ${OBJDIR} ${JAVA_SOURCES})
add_custom_command(OUTPUT ${JAR_FILE} DEPENDS ${JAVA_CLASSES_FULL}
${MANIFEST_FILE}
COMMAND ${JAVA_ARCHIVE} cfm ${JAR_FILE} ${MANIFEST_FILE} ${JAVA_CLASSES}
WORKING_DIRECTORY ${OBJDIR})
add_custom_target(java ALL DEPENDS ${JAR_FILE})
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${JAR_FILE} DESTINATION classes)
libs/libjpeg-turbo/java/MANIFEST.MF
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Manifest-Version: 1.0
Main-Class: TJExample
libs/libjpeg-turbo/java/Makefile.am
+71
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JAVAROOT = .
org/libjpegturbo/turbojpeg/TJLoader.java: $(srcdir)/org/libjpegturbo/turbojpeg/TJLoader.java.tmpl
mkdir -p org/libjpegturbo/turbojpeg; \
cat $(srcdir)/org/libjpegturbo/turbojpeg/TJLoader.java.tmpl | \
sed s@%{__libdir}@$(libdir)@g > org/libjpegturbo/turbojpeg/TJLoader.java
JAVASOURCES = org/libjpegturbo/turbojpeg/TJ.java \
org/libjpegturbo/turbojpeg/TJCompressor.java \
org/libjpegturbo/turbojpeg/TJCustomFilter.java \
org/libjpegturbo/turbojpeg/TJDecompressor.java \
org/libjpegturbo/turbojpeg/TJScalingFactor.java \
org/libjpegturbo/turbojpeg/TJTransform.java \
org/libjpegturbo/turbojpeg/TJTransformer.java \
TJExample.java \
TJUnitTest.java \
TJBench.java
JNIHEADERS = org_libjpegturbo_turbojpeg_TJ.h \
org_libjpegturbo_turbojpeg_TJCompressor.h \
org_libjpegturbo_turbojpeg_TJDecompressor.h \
org_libjpegturbo_turbojpeg_TJTransformer.h
if WITH_JAVA
nodist_noinst_JAVA = ${JAVASOURCES} org/libjpegturbo/turbojpeg/TJLoader.java
JAVA_CLASSES = org/libjpegturbo/turbojpeg/TJ.class \
org/libjpegturbo/turbojpeg/TJCompressor.class \
org/libjpegturbo/turbojpeg/TJCustomFilter.class \
org/libjpegturbo/turbojpeg/TJDecompressor.class \
org/libjpegturbo/turbojpeg/TJLoader.class \
org/libjpegturbo/turbojpeg/TJScalingFactor.class \
org/libjpegturbo/turbojpeg/TJTransform.class \
org/libjpegturbo/turbojpeg/TJTransformer.class \
TJExample.class \
TJUnitTest.class \
TJBench.class
all: all-am turbojpeg.jar
turbojpeg.jar: $(JAVA_CLASSES) ${srcdir}/MANIFEST.MF
$(JAR) cfm turbojpeg.jar ${srcdir}/MANIFEST.MF $(JAVA_CLASSES)
clean-local:
rm -f turbojpeg.jar
install-exec-local: turbojpeg.jar
mkdir -p $(DESTDIR)/$(datadir)/classes
$(INSTALL) -m 644 turbojpeg.jar $(DESTDIR)/$(datadir)/classes/
uninstall-local:
rm -f $(DESTDIR)/$(datadir)/classes/turbojpeg.jar
if [ -d $(DESTDIR)/$(datadir)/classes ]; then rmdir $(DESTDIR)/$(datadir)/classes; fi
headers: all
javah -d ${srcdir} org.libjpegturbo.turbojpeg.TJ; \
javah -d ${srcdir} org.libjpegturbo.turbojpeg.TJCompressor; \
javah -d ${srcdir} org.libjpegturbo.turbojpeg.TJDecompressor; \
javah -d ${srcdir} org.libjpegturbo.turbojpeg.TJTransformer
docs: all
mkdir -p ${srcdir}/doc; \
javadoc -notimestamp -d ${srcdir}/doc -sourcepath ${srcdir} org.libjpegturbo.turbojpeg
endif
EXTRA_DIST = MANIFEST.MF ${JAVASOURCES} ${JNIHEADERS} doc CMakeLists.txt \
org/libjpegturbo/turbojpeg/TJLoader.java.tmpl \
org/libjpegturbo/turbojpeg/TJLoader.java.in
libs/libjpeg-turbo/java/Makefile.in
+441
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@@ -0,0 +1,441 @@
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JAVAROOT = .
JAVASOURCES = org/libjpegturbo/turbojpeg/TJ.java \
org/libjpegturbo/turbojpeg/TJCompressor.java \
org/libjpegturbo/turbojpeg/TJCustomFilter.java \
org/libjpegturbo/turbojpeg/TJDecompressor.java \
org/libjpegturbo/turbojpeg/TJScalingFactor.java \
org/libjpegturbo/turbojpeg/TJTransform.java \
org/libjpegturbo/turbojpeg/TJTransformer.java \
TJExample.java \
TJUnitTest.java \
TJBench.java
JNIHEADERS = org_libjpegturbo_turbojpeg_TJ.h \
org_libjpegturbo_turbojpeg_TJCompressor.h \
org_libjpegturbo_turbojpeg_TJDecompressor.h \
org_libjpegturbo_turbojpeg_TJTransformer.h
@WITH_JAVA_TRUE@nodist_noinst_JAVA = ${JAVASOURCES} org/libjpegturbo/turbojpeg/TJLoader.java
@WITH_JAVA_TRUE@JAVA_CLASSES = org/libjpegturbo/turbojpeg/TJ.class \
@WITH_JAVA_TRUE@ org/libjpegturbo/turbojpeg/TJCompressor.class \
@WITH_JAVA_TRUE@ org/libjpegturbo/turbojpeg/TJCustomFilter.class \
@WITH_JAVA_TRUE@ org/libjpegturbo/turbojpeg/TJDecompressor.class \
@WITH_JAVA_TRUE@ org/libjpegturbo/turbojpeg/TJLoader.class \
@WITH_JAVA_TRUE@ org/libjpegturbo/turbojpeg/TJScalingFactor.class \
@WITH_JAVA_TRUE@ org/libjpegturbo/turbojpeg/TJTransform.class \
@WITH_JAVA_TRUE@ org/libjpegturbo/turbojpeg/TJTransformer.class \
@WITH_JAVA_TRUE@ TJExample.class \
@WITH_JAVA_TRUE@ TJUnitTest.class \
@WITH_JAVA_TRUE@ TJBench.class
EXTRA_DIST = MANIFEST.MF ${JAVASOURCES} ${JNIHEADERS} doc CMakeLists.txt \
org/libjpegturbo/turbojpeg/TJLoader.java.tmpl \
org/libjpegturbo/turbojpeg/TJLoader.java.in
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org/libjpegturbo/turbojpeg/TJLoader.java: $(srcdir)/org/libjpegturbo/turbojpeg/TJLoader.java.tmpl
mkdir -p org/libjpegturbo/turbojpeg; \
cat $(srcdir)/org/libjpegturbo/turbojpeg/TJLoader.java.tmpl | \
sed s@%{__libdir}@$(libdir)@g > org/libjpegturbo/turbojpeg/TJLoader.java
@WITH_JAVA_TRUE@all: all-am turbojpeg.jar
@WITH_JAVA_TRUE@turbojpeg.jar: $(JAVA_CLASSES) ${srcdir}/MANIFEST.MF
@WITH_JAVA_TRUE@ $(JAR) cfm turbojpeg.jar ${srcdir}/MANIFEST.MF $(JAVA_CLASSES)
@WITH_JAVA_TRUE@clean-local:
@WITH_JAVA_TRUE@ rm -f turbojpeg.jar
@WITH_JAVA_TRUE@install-exec-local: turbojpeg.jar
@WITH_JAVA_TRUE@ mkdir -p $(DESTDIR)/$(datadir)/classes
@WITH_JAVA_TRUE@ $(INSTALL) -m 644 turbojpeg.jar $(DESTDIR)/$(datadir)/classes/
@WITH_JAVA_TRUE@uninstall-local:
@WITH_JAVA_TRUE@ rm -f $(DESTDIR)/$(datadir)/classes/turbojpeg.jar
@WITH_JAVA_TRUE@ if [ -d $(DESTDIR)/$(datadir)/classes ]; then rmdir $(DESTDIR)/$(datadir)/classes; fi
@WITH_JAVA_TRUE@headers: all
@WITH_JAVA_TRUE@ javah -d ${srcdir} org.libjpegturbo.turbojpeg.TJ; \
@WITH_JAVA_TRUE@ javah -d ${srcdir} org.libjpegturbo.turbojpeg.TJCompressor; \
@WITH_JAVA_TRUE@ javah -d ${srcdir} org.libjpegturbo.turbojpeg.TJDecompressor; \
@WITH_JAVA_TRUE@ javah -d ${srcdir} org.libjpegturbo.turbojpeg.TJTransformer
@WITH_JAVA_TRUE@docs: all
@WITH_JAVA_TRUE@ mkdir -p ${srcdir}/doc; \
@WITH_JAVA_TRUE@ javadoc -notimestamp -d ${srcdir}/doc -sourcepath ${srcdir} org.libjpegturbo.turbojpeg
# Tell versions [3.59,3.63) of GNU make to not export all variables.
# Otherwise a system limit (for SysV at least) may be exceeded.
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libs/libjpeg-turbo/java/README
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TurboJPEG Java Wrapper
======================
The TurboJPEG shared library can optionally be built with a Java Native
Interface wrapper, which allows the library to be loaded and used directly from
Java applications. The Java front end for this is defined in several classes
located under org/libjpegturbo/turbojpeg. The source code for these Java
classes is licensed under a BSD-style license, so the files can be incorporated
directly into both open source and proprietary projects without restriction. A
Java archive (JAR) file containing these classes is also shipped with the
"official" distribution packages of libjpeg-turbo.
TJExample.java, which should also be located in the same directory as this
README file, demonstrates how to use the TurboJPEG Java API to compress and
decompress JPEG images in memory.
Performance Pitfalls
--------------------
The TurboJPEG Java API defines several convenience methods that can allocate
image buffers or instantiate classes to hold the result of compress,
decompress, or transform operations. However, if you use these methods, then
be mindful of the amount of new data you are creating on the heap. It may be
necessary to manually invoke the garbage collector to prevent heap exhaustion
or to prevent performance degradation. Background garbage collection can kill
performance, particularly in a multi-threaded environment (Java pauses all
threads when the GC runs.)
The TurboJPEG Java API always gives you the option of pre-allocating your own
source and destination buffers, which allows you to re-use those buffers for
compressing/decompressing multiple images. If the image sequence you are
compressing or decompressing consists of images of the same size, then
pre-allocating the buffers is recommended.
Installation Directory
----------------------
The TurboJPEG Java Wrapper will look for the TurboJPEG JNI library
(libturbojpeg.so, libturbojpeg.jnilib, or turbojpeg.dll) in the system library
paths or in any paths specified in LD_LIBRARY_PATH (Un*x), DYLD_LIBRARY_PATH
(Mac), or PATH (Windows.) Failing this, on Un*x and Mac systems, the wrapper
will look for the JNI library under the library directory configured when
libjpeg-turbo was built. If that library directory is
/opt/libjpeg-turbo/lib32, then /opt/libjpeg-turbo/lib64 is also searched, and
vice versa.
If you installed the JNI library into another directory, then you will need
to pass an argument of -Djava.library.path={path_to_JNI_library} to java, or
manipulate LD_LIBRARY_PATH, DYLD_LIBRARY_PATH, or PATH to include the directory
containing the JNI library.
libs/libjpeg-turbo/java/TJBench.java
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/*
* Copyright (C)2009-2014 D. R. Commander. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the libjpeg-turbo Project nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
import java.io.*;
import java.awt.image.*;
import javax.imageio.*;
import java.util.*;
import org.libjpegturbo.turbojpeg.*;
class TJBench {
static final int YUVENCODE = 1;
static final int YUVDECODE = 2;
static int flags = 0, yuv = 0, quiet = 0, pf = TJ.PF_BGR;
static boolean decompOnly, doTile;
static final String[] pixFormatStr = {
"RGB", "BGR", "RGBX", "BGRX", "XBGR", "XRGB", "GRAY"
};
static final String[] subNameLong = {
"4:4:4", "4:2:2", "4:2:0", "GRAY", "4:4:0"
};
static final String[] subName = {
"444", "422", "420", "GRAY", "440"
};
static TJScalingFactor sf;
static int xformOp = TJTransform.OP_NONE, xformOpt = 0;
static double benchTime = 5.0;
static final double getTime() {
return (double)System.nanoTime() / 1.0e9;
}
static String sigFig(double val, int figs) {
String format;
int digitsAfterDecimal = figs - (int)Math.ceil(Math.log10(Math.abs(val)));
if (digitsAfterDecimal < 1)
format = new String("%.0f");
else
format = new String("%." + digitsAfterDecimal + "f");
return String.format(format, val);
}
static byte[] loadImage(String fileName, int[] w, int[] h, int pixelFormat)
throws Exception {
BufferedImage img = ImageIO.read(new File(fileName));
if (img == null)
throw new Exception("Could not read " + fileName);
w[0] = img.getWidth();
h[0] = img.getHeight();
int[] rgb = img.getRGB(0, 0, w[0], h[0], null, 0, w[0]);
int ps = TJ.getPixelSize(pixelFormat);
int rindex = TJ.getRedOffset(pixelFormat);
int gindex = TJ.getGreenOffset(pixelFormat);
int bindex = TJ.getBlueOffset(pixelFormat);
byte[] dstBuf = new byte[w[0] * h[0] * ps];
int pixels = w[0] * h[0], dstPtr = 0, rgbPtr = 0;
while (pixels-- > 0) {
dstBuf[dstPtr + rindex] = (byte)((rgb[rgbPtr] >> 16) & 0xff);
dstBuf[dstPtr + gindex] = (byte)((rgb[rgbPtr] >> 8) & 0xff);
dstBuf[dstPtr + bindex] = (byte)(rgb[rgbPtr] & 0xff);
dstPtr += ps;
rgbPtr++;
}
return dstBuf;
}
static void saveImage(String fileName, byte[] srcBuf, int w, int h,
int pixelFormat) throws Exception {
BufferedImage img = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
int pixels = w * h, srcPtr = 0;
int ps = TJ.getPixelSize(pixelFormat);
int rindex = TJ.getRedOffset(pixelFormat);
int gindex = TJ.getGreenOffset(pixelFormat);
int bindex = TJ.getBlueOffset(pixelFormat);
for (int y = 0; y < h; y++) {
for (int x = 0; x < w; x++, srcPtr += ps) {
int pixel = (srcBuf[srcPtr + rindex] & 0xff) << 16 |
(srcBuf[srcPtr + gindex] & 0xff) << 8 |
(srcBuf[srcPtr + bindex] & 0xff);
img.setRGB(x, y, pixel);
}
}
ImageIO.write(img, "bmp", new File(fileName));
}
/* Decompression test */
static void decompTest(byte[] srcBuf, byte[][] jpegBuf, int[] jpegSize,
byte[] dstBuf, int w, int h, int subsamp,
int jpegQual, String fileName, int tilew, int tileh)
throws Exception {
String qualStr = new String(""), sizeStr, tempStr;
TJDecompressor tjd;
double start, elapsed;
int ps = TJ.getPixelSize(pf), i;
int yuvSize = TJ.bufSizeYUV(w, h, subsamp), bufsize;
int scaledw = (yuv == YUVDECODE) ? w : sf.getScaled(w);
int scaledh = (yuv == YUVDECODE) ? h : sf.getScaled(h);
int pitch = scaledw * ps;
if (jpegQual > 0)
qualStr = new String("_Q" + jpegQual);
tjd = new TJDecompressor();
int bufSize = (yuv == YUVDECODE ? yuvSize : pitch * scaledh);
if (dstBuf == null)
dstBuf = new byte[bufSize];
/* Set the destination buffer to gray so we know whether the decompressor
attempted to write to it */
Arrays.fill(dstBuf, (byte)127);
/* Execute once to preload cache */
tjd.setJPEGImage(jpegBuf[0], jpegSize[0]);
if (yuv == YUVDECODE)
tjd.decompressToYUV(dstBuf, flags);
else
tjd.decompress(dstBuf, 0, 0, scaledw, pitch, scaledh, pf, flags);
/* Benchmark */
for (i = 0, start = getTime(); (elapsed = getTime() - start) < benchTime;
i++) {
int tile = 0;
if (yuv == YUVDECODE)
tjd.decompressToYUV(dstBuf, flags);
else {
for (int y = 0; y < h; y += tileh) {
for (int x = 0; x < w; x += tilew, tile++) {
int width = doTile ? Math.min(tilew, w - x) : scaledw;
int height = doTile ? Math.min(tileh, h - y) : scaledh;
tjd.setJPEGImage(jpegBuf[tile], jpegSize[tile]);
tjd.decompress(dstBuf, x, y, width, pitch, height, pf, flags);
}
}
}
}
tjd = null;
for (i = 0; i < jpegBuf.length; i++)
jpegBuf[i] = null;
jpegBuf = null; jpegSize = null;
System.gc();
if (quiet != 0)
System.out.println(
sigFig((double)(w * h) / 1000000. * (double)i / elapsed, 4));
else {
System.out.format("D--> Frame rate: %f fps\n",
(double)i / elapsed);
System.out.format(" Dest. throughput: %f Megapixels/sec\n",
(double)(w * h) / 1000000. * (double)i / elapsed);
}
if (yuv == YUVDECODE) {
tempStr = fileName + "_" + subName[subsamp] + qualStr + ".yuv";
FileOutputStream fos = new FileOutputStream(tempStr);
fos.write(dstBuf, 0, yuvSize);
fos.close();
} else {
if (sf.getNum() != 1 || sf.getDenom() != 1)
sizeStr = new String(sf.getNum() + "_" + sf.getDenom());
else if (tilew != w || tileh != h)
sizeStr = new String(tilew + "x" + tileh);
else
sizeStr = new String("full");
if (decompOnly)
tempStr = new String(fileName + "_" + sizeStr + ".bmp");
else
tempStr = new String(fileName + "_" + subName[subsamp] + qualStr +
"_" + sizeStr + ".bmp");
saveImage(tempStr, dstBuf, scaledw, scaledh, pf);
int ndx = tempStr.indexOf('.');
tempStr = new String(tempStr.substring(0, ndx) + "-err.bmp");
if (srcBuf != null && sf.getNum() == 1 && sf.getDenom() == 1) {
if (quiet == 0)
System.out.println("Compression error written to " + tempStr + ".");
if (subsamp == TJ.SAMP_GRAY) {
for (int y = 0, index = 0; y < h; y++, index += pitch) {
for (int x = 0, index2 = index; x < w; x++, index2 += ps) {
int rindex = index2 + TJ.getRedOffset(pf);
int gindex = index2 + TJ.getGreenOffset(pf);
int bindex = index2 + TJ.getBlueOffset(pf);
int lum = (int)((double)(srcBuf[rindex] & 0xff) * 0.299 +
(double)(srcBuf[gindex] & 0xff) * 0.587 +
(double)(srcBuf[bindex] & 0xff) * 0.114 + 0.5);
if (lum > 255) lum = 255;
if (lum < 0) lum = 0;
dstBuf[rindex] = (byte)Math.abs((dstBuf[rindex] & 0xff) - lum);
dstBuf[gindex] = (byte)Math.abs((dstBuf[gindex] & 0xff) - lum);
dstBuf[bindex] = (byte)Math.abs((dstBuf[bindex] & 0xff) - lum);
}
}
} else {
for (int y = 0; y < h; y++)
for (int x = 0; x < w * ps; x++)
dstBuf[pitch * y + x] =
(byte)Math.abs((dstBuf[pitch * y + x] & 0xff) -
(srcBuf[pitch * y + x] & 0xff));
}
saveImage(tempStr, dstBuf, w, h, pf);
}
}
}
static void doTestYUV(byte[] srcBuf, int w, int h, int subsamp,
String fileName) throws Exception {
TJCompressor tjc;
byte[] dstBuf;
double start, elapsed;
int ps = TJ.getPixelSize(pf), i;
int yuvSize = 0;
yuvSize = TJ.bufSizeYUV(w, h, subsamp);
dstBuf = new byte[yuvSize];
if (quiet == 0)
System.out.format(">>>>> %s (%s) <--> YUV %s <<<<<\n",
pixFormatStr[pf],
(flags & TJ.FLAG_BOTTOMUP) != 0 ? "Bottom-up" : "Top-down",
subNameLong[subsamp]);
if (quiet == 1)
System.out.format("%s\t%s\t%s\tN/A\t", pixFormatStr[pf],
(flags & TJ.FLAG_BOTTOMUP) != 0 ? "BU" : "TD",
subNameLong[subsamp]);
tjc = new TJCompressor(srcBuf, 0, 0, w, 0, h, pf);
tjc.setSubsamp(subsamp);
/* Execute once to preload cache */
tjc.encodeYUV(dstBuf, flags);
/* Benchmark */
for (i = 0, start = getTime();
(elapsed = getTime() - start) < benchTime; i++)
tjc.encodeYUV(dstBuf, flags);
if (quiet == 1)
System.out.format("%-4d %-4d\t", w, h);
if (quiet != 0) {
System.out.format("%s%c%s%c",
sigFig((double)(w * h) / 1000000. * (double) i / elapsed, 4),
quiet == 2 ? '\n' : '\t',
sigFig((double)(w * h * ps) / (double)yuvSize, 4),
quiet == 2 ? '\n' : '\t');
} else {
System.out.format("\n%s size: %d x %d\n", "Image", w, h);
System.out.format("C--> Frame rate: %f fps\n",
(double)i / elapsed);
System.out.format(" Output image size: %d bytes\n", yuvSize);
System.out.format(" Compression ratio: %f:1\n",
(double)(w * h * ps) / (double)yuvSize);
System.out.format(" Source throughput: %f Megapixels/sec\n",
(double)(w * h) / 1000000. * (double)i / elapsed);
System.out.format(" Output bit stream: %f Megabits/sec\n",
(double)yuvSize * 8. / 1000000. * (double)i / elapsed);
}
String tempStr = fileName + "_" + subName[subsamp] + ".yuv";
FileOutputStream fos = new FileOutputStream(tempStr);
fos.write(dstBuf, 0, yuvSize);
fos.close();
if (quiet == 0)
System.out.println("Reference image written to " + tempStr);
}
static void doTest(byte[] srcBuf, int w, int h, int subsamp, int jpegQual,
String fileName) throws Exception {
TJCompressor tjc;
byte[] tmpBuf;
byte[][] jpegBuf;
int[] jpegSize;
double start, elapsed;
int totalJpegSize = 0, tilew, tileh, i;
int ps = TJ.getPixelSize(pf), ntilesw = 1, ntilesh = 1, pitch = w * ps;
if (yuv == YUVENCODE) {
doTestYUV(srcBuf, w, h, subsamp, fileName);
return;
}
tmpBuf = new byte[pitch * h];
if (quiet == 0)
System.out.format(">>>>> %s (%s) <--> JPEG %s Q%d <<<<<\n",
pixFormatStr[pf],
(flags & TJ.FLAG_BOTTOMUP) != 0 ? "Bottom-up" : "Top-down",
subNameLong[subsamp], jpegQual);
tjc = new TJCompressor();
for (tilew = doTile ? 8 : w, tileh = doTile ? 8 : h; ;
tilew *= 2, tileh *= 2) {
if (tilew > w)
tilew = w;
if (tileh > h)
tileh = h;
ntilesw = (w + tilew - 1) / tilew;
ntilesh = (h + tileh - 1) / tileh;
jpegBuf = new byte[ntilesw * ntilesh][TJ.bufSize(tilew, tileh, subsamp)];
jpegSize = new int[ntilesw * ntilesh];
/* Compression test */
if (quiet == 1)
System.out.format("%s\t%s\t%s\t%d\t", pixFormatStr[pf],
(flags & TJ.FLAG_BOTTOMUP) != 0 ? "BU" : "TD",
subNameLong[subsamp], jpegQual);
for (i = 0; i < h; i++)
System.arraycopy(srcBuf, w * ps * i, tmpBuf, pitch * i, w * ps);
tjc.setSourceImage(srcBuf, 0, 0, tilew, pitch, tileh, pf);
tjc.setJPEGQuality(jpegQual);
tjc.setSubsamp(subsamp);
/* Execute once to preload cache */
tjc.compress(jpegBuf[0], flags);
/* Benchmark */
for (i = 0, start = getTime();
(elapsed = getTime() - start) < benchTime; i++) {
int tile = 0;
totalJpegSize = 0;
for (int y = 0; y < h; y += tileh) {
for (int x = 0; x < w; x += tilew, tile++) {
int width = Math.min(tilew, w - x);
int height = Math.min(tileh, h - y);
tjc.setSourceImage(srcBuf, x, y, width, pitch, height, pf);
tjc.compress(jpegBuf[tile], flags);
jpegSize[tile] = tjc.getCompressedSize();
totalJpegSize += jpegSize[tile];
}
}
}
if (quiet == 1)
System.out.format("%-4d %-4d\t", tilew, tileh);
if (quiet != 0) {
System.out.format("%s%c%s%c",
sigFig((double)(w * h) / 1000000. * (double) i / elapsed, 4),
quiet == 2 ? '\n' : '\t',
sigFig((double)(w * h * ps) / (double)totalJpegSize, 4),
quiet == 2 ? '\n' : '\t');
} else {
System.out.format("\n%s size: %d x %d\n", doTile ? "Tile" : "Image",
tilew, tileh);
System.out.format("C--> Frame rate: %f fps\n",
(double)i / elapsed);
System.out.format(" Output image size: %d bytes\n",
totalJpegSize);
System.out.format(" Compression ratio: %f:1\n",
(double)(w * h * ps) / (double)totalJpegSize);
System.out.format(" Source throughput: %f Megapixels/sec\n",
(double)(w * h) / 1000000. * (double)i / elapsed);
System.out.format(" Output bit stream: %f Megabits/sec\n",
(double)totalJpegSize * 8. / 1000000. * (double)i / elapsed);
}
if (tilew == w && tileh == h) {
String tempStr = fileName + "_" + subName[subsamp] + "_" + "Q" +
jpegQual + ".jpg";
FileOutputStream fos = new FileOutputStream(tempStr);
fos.write(jpegBuf[0], 0, jpegSize[0]);
fos.close();
if (quiet == 0)
System.out.println("Reference image written to " + tempStr);
}
/* Decompression test */
decompTest(srcBuf, jpegBuf, jpegSize, tmpBuf, w, h, subsamp, jpegQual,
fileName, tilew, tileh);
if (tilew == w && tileh == h) break;
}
}
static void doDecompTest(String fileName) throws Exception {
TJTransformer tjt;
byte[][] jpegBuf;
byte[] srcBuf;
int[] jpegSize;
int totalJpegSize;
int w = 0, h = 0, subsamp = -1, _w, _h, _tilew, _tileh,
_ntilesw, _ntilesh, _subsamp, x, y;
int ntilesw = 1, ntilesh = 1;
double start, elapsed;
int ps = TJ.getPixelSize(pf), tile;
FileInputStream fis = new FileInputStream(fileName);
int srcSize = (int)fis.getChannel().size();
srcBuf = new byte[srcSize];
fis.read(srcBuf, 0, srcSize);
fis.close();
int index = fileName.indexOf('.');
if (index >= 0)
fileName = new String(fileName.substring(0, index));
tjt = new TJTransformer();
tjt.setJPEGImage(srcBuf, srcSize);
w = tjt.getWidth();
h = tjt.getHeight();
subsamp = tjt.getSubsamp();
if (quiet == 1) {
System.out.println("All performance values in Mpixels/sec\n");
System.out.format("Bitmap\tBitmap\tJPEG\t%s %s \tXform\tComp\tDecomp\n",
(doTile ? "Tile " : "Image"),
(doTile ? "Tile " : "Image"));
System.out.println("Format\tOrder\tSubsamp\tWidth Height\tPerf \tRatio\tPerf\n");
} else if (quiet == 0) {
System.out.format(">>>>> JPEG %s --> %s (%s) <<<<<\n",
subNameLong[subsamp], pixFormatStr[pf],
(flags & TJ.FLAG_BOTTOMUP) != 0 ? "Bottom-up" : "Top-down");
}
for (int tilew = doTile ? 16 : w, tileh = doTile ? 16 : h; ;
tilew *= 2, tileh *= 2) {
if (tilew > w)
tilew = w;
if (tileh > h)
tileh = h;
ntilesw = (w + tilew - 1) / tilew;
ntilesh = (h + tileh - 1) / tileh;
_w = w; _h = h; _tilew = tilew; _tileh = tileh;
if (quiet == 0) {
System.out.format("\n%s size: %d x %d", (doTile ? "Tile" : "Image"),
_tilew, _tileh);
if (sf.getNum() != 1 || sf.getDenom() != 1)
System.out.format(" --> %d x %d", sf.getScaled(_w),
sf.getScaled(_h));
System.out.println("");
} else if (quiet == 1) {
System.out.format("%s\t%s\t%s\t", pixFormatStr[pf],
(flags & TJ.FLAG_BOTTOMUP) != 0 ? "BU" : "TD",
subNameLong[subsamp]);
System.out.format("%-4d %-4d\t", tilew, tileh);
}
_subsamp = subsamp;
if (doTile || xformOp != TJTransform.OP_NONE || xformOpt != 0) {
if (xformOp == TJTransform.OP_TRANSPOSE ||
xformOp == TJTransform.OP_TRANSVERSE ||
xformOp == TJTransform.OP_ROT90 ||
xformOp == TJTransform.OP_ROT270) {
_w = h; _h = w; _tilew = tileh; _tileh = tilew;
}
if ((xformOpt & TJTransform.OPT_GRAY) != 0)
_subsamp = TJ.SAMP_GRAY;
if (xformOp == TJTransform.OP_HFLIP ||
xformOp == TJTransform.OP_ROT180)
_w = _w - (_w % TJ.getMCUWidth(_subsamp));
if (xformOp == TJTransform.OP_VFLIP ||
xformOp == TJTransform.OP_ROT180)
_h = _h - (_h % TJ.getMCUHeight(_subsamp));
if (xformOp == TJTransform.OP_TRANSVERSE ||
xformOp == TJTransform.OP_ROT90)
_w = _w - (_w % TJ.getMCUHeight(_subsamp));
if (xformOp == TJTransform.OP_TRANSVERSE ||
xformOp == TJTransform.OP_ROT270)
_h = _h - (_h % TJ.getMCUWidth(_subsamp));
_ntilesw = (_w + _tilew - 1) / _tilew;
_ntilesh = (_h + _tileh - 1) / _tileh;
TJTransform[] t = new TJTransform[_ntilesw * _ntilesh];
jpegBuf = new byte[_ntilesw * _ntilesh][TJ.bufSize(_tilew, _tileh, subsamp)];
for (y = 0, tile = 0; y < _h; y += _tileh) {
for (x = 0; x < _w; x += _tilew, tile++) {
t[tile] = new TJTransform();
t[tile].width = Math.min(_tilew, _w - x);
t[tile].height = Math.min(_tileh, _h - y);
t[tile].x = x;
t[tile].y = y;
t[tile].op = xformOp;
t[tile].options = xformOpt | TJTransform.OPT_TRIM;
if ((t[tile].options & TJTransform.OPT_NOOUTPUT) != 0 &&
jpegBuf[tile] != null)
jpegBuf[tile] = null;
}
}
start = getTime();
tjt.transform(jpegBuf, t, flags);
jpegSize = tjt.getTransformedSizes();
elapsed = getTime() - start;
t = null;
for (tile = 0, totalJpegSize = 0; tile < _ntilesw * _ntilesh; tile++)
totalJpegSize += jpegSize[tile];
if (quiet != 0) {
System.out.format("%s%c%s%c",
sigFig((double)(w * h) / 1000000. / elapsed, 4),
quiet == 2 ? '\n' : '\t',
sigFig((double)(w * h * ps) / (double)totalJpegSize, 4),
quiet == 2 ? '\n' : '\t');
} else if (quiet == 0) {
System.out.format("X--> Frame rate: %f fps\n",
1.0 / elapsed);
System.out.format(" Output image size: %d bytes\n",
totalJpegSize);
System.out.format(" Compression ratio: %f:1\n",
(double)(w * h * ps) / (double)totalJpegSize);
System.out.format(" Source throughput: %f Megapixels/sec\n",
(double)(w * h) / 1000000. / elapsed);
System.out.format(" Output bit stream: %f Megabits/sec\n",
(double)totalJpegSize * 8. / 1000000. / elapsed);
}
} else {
if (quiet == 1)
System.out.print("N/A\tN/A\t");
jpegBuf = new byte[1][TJ.bufSize(_tilew, _tileh, subsamp)];
jpegSize = new int[1];
jpegSize[0] = srcSize;
System.arraycopy(srcBuf, 0, jpegBuf[0], 0, srcSize);
}
if (w == tilew)
_tilew = _w;
if (h == tileh)
_tileh = _h;
if ((xformOpt & TJTransform.OPT_NOOUTPUT) == 0)
decompTest(null, jpegBuf, jpegSize, null, _w, _h, _subsamp, 0,
fileName, _tilew, _tileh);
else if (quiet == 1)
System.out.println("N/A");
jpegBuf = null;
jpegSize = null;
if (tilew == w && tileh == h) break;
}
}
static void usage() throws Exception {
int i;
TJScalingFactor[] scalingFactors = TJ.getScalingFactors();
int nsf = scalingFactors.length;
String className = new TJBench().getClass().getName();
System.out.println("\nUSAGE: java " + className);
System.out.println(" <Inputfile (BMP)> <Quality> [options]\n");
System.out.println(" java " + className);
System.out.println(" <Inputfile (JPG)> [options]\n");
System.out.println("Options:\n");
System.out.println("-alloc = Dynamically allocate JPEG image buffers");
System.out.println("-bottomup = Test bottom-up compression/decompression");
System.out.println("-tile = Test performance of the codec when the image is encoded as separate");
System.out.println(" tiles of varying sizes.");
System.out.println("-forcemmx, -forcesse, -forcesse2, -forcesse3 =");
System.out.println(" Force MMX, SSE, SSE2, or SSE3 code paths in the underlying codec");
System.out.println("-rgb, -bgr, -rgbx, -bgrx, -xbgr, -xrgb =");
System.out.println(" Test the specified color conversion path in the codec (default: BGR)");
System.out.println("-fastupsample = Use the fastest chrominance upsampling algorithm available in");
System.out.println(" the underlying codec");
System.out.println("-fastdct = Use the fastest DCT/IDCT algorithms available in the underlying");
System.out.println(" codec");
System.out.println("-accuratedct = Use the most accurate DCT/IDCT algorithms available in the");
System.out.println(" underlying codec");
System.out.println("-subsamp <s> = When testing JPEG compression, this option specifies the level");
System.out.println(" of chrominance subsampling to use (<s> = 444, 422, 440, 420, or GRAY).");
System.out.println(" The default is to test Grayscale, 4:2:0, 4:2:2, and 4:4:4 in sequence.");
System.out.println("-quiet = Output results in tabular rather than verbose format");
System.out.println("-yuvencode = Encode RGB input as planar YUV rather than compressing as JPEG");
System.out.println("-yuvdecode = Decode JPEG image to planar YUV rather than RGB");
System.out.println("-scale M/N = scale down the width/height of the decompressed JPEG image by a");
System.out.print (" factor of M/N (M/N = ");
for (i = 0; i < nsf; i++) {
System.out.format("%d/%d", scalingFactors[i].getNum(),
scalingFactors[i].getDenom());
if (nsf == 2 && i != nsf - 1)
System.out.print(" or ");
else if (nsf > 2) {
if (i != nsf - 1)
System.out.print(", ");
if (i == nsf - 2)
System.out.print("or ");
}
if (i % 8 == 0 && i != 0)
System.out.print("\n ");
}
System.out.println(")");
System.out.println("-hflip, -vflip, -transpose, -transverse, -rot90, -rot180, -rot270 =");
System.out.println(" Perform the corresponding lossless transform prior to");
System.out.println(" decompression (these options are mutually exclusive)");
System.out.println("-grayscale = Perform lossless grayscale conversion prior to decompression");
System.out.println(" test (can be combined with the other transforms above)");
System.out.println("-benchtime <t> = Run each benchmark for at least <t> seconds (default = 5.0)\n");
System.out.println("NOTE: If the quality is specified as a range (e.g. 90-100), a separate");
System.out.println("test will be performed for all quality values in the range.\n");
System.exit(1);
}
public static void main(String[] argv) {
byte[] srcBuf = null; int w = 0, h = 0;
int minQual = -1, maxQual = -1;
int minArg = 1; int retval = 0;
int subsamp = -1;
try {
if (argv.length < minArg)
usage();
String tempStr = argv[0].toLowerCase();
if (tempStr.endsWith(".jpg") || tempStr.endsWith(".jpeg"))
decompOnly = true;
System.out.println("");
if (argv.length > minArg) {
for (int i = minArg; i < argv.length; i++) {
if (argv[i].equalsIgnoreCase("-yuvencode")) {
System.out.println("Testing YUV planar encoding\n");
yuv = YUVENCODE; maxQual = minQual = 100;
}
if (argv[i].equalsIgnoreCase("-yuvdecode")) {
System.out.println("Testing YUV planar decoding\n");
yuv = YUVDECODE;
}
}
}
if (!decompOnly && yuv != YUVENCODE) {
minArg = 2;
if (argv.length < minArg)
usage();
try {
minQual = Integer.parseInt(argv[1]);
} catch (NumberFormatException e) {}
if (minQual < 1 || minQual > 100)
throw new Exception("Quality must be between 1 and 100.");
int dashIndex = argv[1].indexOf('-');
if (dashIndex > 0 && argv[1].length() > dashIndex + 1) {
try {
maxQual = Integer.parseInt(argv[1].substring(dashIndex + 1));
} catch (NumberFormatException e) {}
}
if (maxQual < 1 || maxQual > 100)
maxQual = minQual;
}
if (argv.length > minArg) {
for (int i = minArg; i < argv.length; i++) {
if (argv[i].equalsIgnoreCase("-tile")) {
doTile = true; xformOpt |= TJTransform.OPT_CROP;
}
if (argv[i].equalsIgnoreCase("-forcesse3")) {
System.out.println("Forcing SSE3 code\n");
flags |= TJ.FLAG_FORCESSE3;
}
if (argv[i].equalsIgnoreCase("-forcesse2")) {
System.out.println("Forcing SSE2 code\n");
flags |= TJ.FLAG_FORCESSE2;
}
if (argv[i].equalsIgnoreCase("-forcesse")) {
System.out.println("Forcing SSE code\n");
flags |= TJ.FLAG_FORCESSE;
}
if (argv[i].equalsIgnoreCase("-forcemmx")) {
System.out.println("Forcing MMX code\n");
flags |= TJ.FLAG_FORCEMMX;
}
if (argv[i].equalsIgnoreCase("-fastupsample")) {
System.out.println("Using fast upsampling code\n");
flags |= TJ.FLAG_FASTUPSAMPLE;
}
if (argv[i].equalsIgnoreCase("-fastdct")) {
System.out.println("Using fastest DCT/IDCT algorithm\n");
flags |= TJ.FLAG_FASTDCT;
}
if (argv[i].equalsIgnoreCase("-accuratedct")) {
System.out.println("Using most accurate DCT/IDCT algorithm\n");
flags |= TJ.FLAG_ACCURATEDCT;
}
if (argv[i].equalsIgnoreCase("-rgb"))
pf = TJ.PF_RGB;
if (argv[i].equalsIgnoreCase("-rgbx"))
pf = TJ.PF_RGBX;
if (argv[i].equalsIgnoreCase("-bgr"))
pf = TJ.PF_BGR;
if (argv[i].equalsIgnoreCase("-bgrx"))
pf = TJ.PF_BGRX;
if (argv[i].equalsIgnoreCase("-xbgr"))
pf = TJ.PF_XBGR;
if (argv[i].equalsIgnoreCase("-xrgb"))
pf = TJ.PF_XRGB;
if (argv[i].equalsIgnoreCase("-bottomup"))
flags |= TJ.FLAG_BOTTOMUP;
if (argv[i].equalsIgnoreCase("-quiet"))
quiet = 1;
if (argv[i].equalsIgnoreCase("-qq"))
quiet = 2;
if (argv[i].equalsIgnoreCase("-scale") && i < argv.length - 1) {
int temp1 = 0, temp2 = 0;
boolean match = false, scanned = true;
Scanner scanner = new Scanner(argv[++i]).useDelimiter("/");
try {
temp1 = scanner.nextInt();
temp2 = scanner.nextInt();
} catch(Exception e) {}
if (temp2 <= 0) temp2 = 1;
if (temp1 > 0) {
TJScalingFactor[] scalingFactors = TJ.getScalingFactors();
for (int j = 0; j < scalingFactors.length; j++) {
if ((double)temp1 / (double)temp2 ==
(double)scalingFactors[j].getNum() /
(double)scalingFactors[j].getDenom()) {
sf = scalingFactors[j];
match = true; break;
}
}
if (!match) usage();
} else
usage();
}
if (argv[i].equalsIgnoreCase("-hflip"))
xformOp = TJTransform.OP_HFLIP;
if (argv[i].equalsIgnoreCase("-vflip"))
xformOp = TJTransform.OP_VFLIP;
if (argv[i].equalsIgnoreCase("-transpose"))
xformOp = TJTransform.OP_TRANSPOSE;
if (argv[i].equalsIgnoreCase("-transverse"))
xformOp = TJTransform.OP_TRANSVERSE;
if (argv[i].equalsIgnoreCase("-rot90"))
xformOp = TJTransform.OP_ROT90;
if (argv[i].equalsIgnoreCase("-rot180"))
xformOp = TJTransform.OP_ROT180;
if (argv[i].equalsIgnoreCase("-rot270"))
xformOp = TJTransform.OP_ROT270;
if (argv[i].equalsIgnoreCase("-grayscale"))
xformOpt |= TJTransform.OPT_GRAY;
if (argv[i].equalsIgnoreCase("-nooutput"))
xformOpt |= TJTransform.OPT_NOOUTPUT;
if (argv[i].equalsIgnoreCase("-benchtime") && i < argv.length - 1) {
double temp = -1;
try {
temp = Double.parseDouble(argv[++i]);
} catch (NumberFormatException e) {}
if (temp > 0.0)
benchTime = temp;
else
usage();
}
if (argv[i].equalsIgnoreCase("-subsamp") && i < argv.length - 1) {
i++;
if (argv[i].toUpperCase().startsWith("G"))
subsamp = TJ.SAMP_GRAY;
else if (argv[i].equals("444"))
subsamp = TJ.SAMP_444;
else if (argv[i].equals("422"))
subsamp = TJ.SAMP_422;
else if (argv[i].equals("440"))
subsamp = TJ.SAMP_440;
else if (argv[i].equals("420"))
subsamp = TJ.SAMP_420;
}
if (argv[i].equalsIgnoreCase("-?"))
usage();
}
}
if (sf == null)
sf = new TJScalingFactor(1, 1);
if ((sf.getNum() != 1 || sf.getDenom() != 1) && doTile) {
System.out.println("Disabling tiled compression/decompression tests, because those tests do not");
System.out.println("work when scaled decompression is enabled.");
doTile = false;
}
if (yuv != 0 && doTile) {
System.out.println("Disabling tiled compression/decompression tests, because those tests do not");
System.out.println("work when YUV encoding or decoding is enabled.\n");
doTile = false;
}
if (!decompOnly) {
int[] width = new int[1], height = new int[1];
srcBuf = loadImage(argv[0], width, height, pf);
w = width[0]; h = height[0];
int index = -1;
if ((index = argv[0].indexOf('.')) >= 0)
argv[0] = argv[0].substring(0, index);
}
if (quiet == 1 && !decompOnly) {
System.out.println("All performance values in Mpixels/sec\n");
System.out.format("Bitmap\tBitmap\tJPEG\tJPEG\t%s %s \tComp\tComp\tDecomp\n",
(doTile ? "Tile " : "Image"), (doTile ? "Tile " : "Image"));
System.out.println("Format\tOrder\tSubsamp\tQual\tWidth Height\tPerf \tRatio\tPerf\n");
}
if (decompOnly) {
doDecompTest(argv[0]);
System.out.println("");
System.exit(retval);
}
System.gc();
if (subsamp >= 0 && subsamp < TJ.NUMSAMP) {
for (int i = maxQual; i >= minQual; i--)
doTest(srcBuf, w, h, subsamp, i, argv[0]);
System.out.println("");
} else {
for (int i = maxQual; i >= minQual; i--)
doTest(srcBuf, w, h, TJ.SAMP_GRAY, i, argv[0]);
System.out.println("");
System.gc();
for (int i = maxQual; i >= minQual; i--)
doTest(srcBuf, w, h, TJ.SAMP_420, i, argv[0]);
System.out.println("");
System.gc();
for (int i = maxQual; i >= minQual; i--)
doTest(srcBuf, w, h, TJ.SAMP_422, i, argv[0]);
System.out.println("");
System.gc();
for (int i = maxQual; i >= minQual; i--)
doTest(srcBuf, w, h, TJ.SAMP_444, i, argv[0]);
System.out.println("");
}
} catch (Exception e) {
System.out.println("ERROR: " + e.getMessage());
e.printStackTrace();
retval = -1;
}
System.exit(retval);
}
}
libs/libjpeg-turbo/java/TJExample.java
+361
View File
@@ -0,0 +1,361 @@
/*
* Copyright (C)2011-2012, 2014 D. R. Commander. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the libjpeg-turbo Project nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* This program demonstrates how to compress and decompress JPEG files using
* the TurboJPEG JNI wrapper
*/
import java.io.*;
import java.awt.*;
import java.awt.image.*;
import java.nio.*;
import javax.imageio.*;
import javax.swing.*;
import org.libjpegturbo.turbojpeg.*;
public class TJExample implements TJCustomFilter {
public static final String classname = new TJExample().getClass().getName();
private static void usage() throws Exception {
System.out.println("\nUSAGE: java " + classname + " <Input file> <Output file> [options]\n");
System.out.println("Input and output files can be any image format that the Java Image I/O");
System.out.println("extensions understand. If either filename ends in a .jpg extension, then");
System.out.println("TurboJPEG will be used to compress or decompress the file.\n");
System.out.println("Options:\n");
System.out.println("-scale M/N = if the input image is a JPEG file, scale the width/height of the");
System.out.print(" output image by a factor of M/N (M/N = ");
for (int i = 0; i < sf.length; i++) {
System.out.print(sf[i].getNum() + "/" + sf[i].getDenom());
if (sf.length == 2 && i != sf.length - 1)
System.out.print(" or ");
else if (sf.length > 2) {
if (i != sf.length - 1)
System.out.print(", ");
if (i == sf.length - 2)
System.out.print("or ");
}
}
System.out.println(")\n");
System.out.println("-samp <444|422|420|gray> = If the output image is a JPEG file, this specifies");
System.out.println(" the level of chrominance subsampling to use when");
System.out.println(" recompressing it. Default is to use the same level");
System.out.println(" of subsampling as the input, if the input is a JPEG");
System.out.println(" file, or 4:4:4 otherwise.\n");
System.out.println("-q <1-100> = If the output image is a JPEG file, this specifies the JPEG");
System.out.println(" quality to use when recompressing it (default = 95).\n");
System.out.println("-hflip, -vflip, -transpose, -transverse, -rot90, -rot180, -rot270 =");
System.out.println(" If the input image is a JPEG file, perform the corresponding lossless");
System.out.println(" transform prior to decompression (these options are mutually exclusive)\n");
System.out.println("-grayscale = If the input image is a JPEG file, perform lossless grayscale");
System.out.println(" conversion prior to decompression (can be combined with the other");
System.out.println(" transforms above)\n");
System.out.println("-crop X,Y,WxH = If the input image is a JPEG file, perform lossless cropping");
System.out.println(" prior to decompression. X,Y specifies the upper left corner of the");
System.out.println(" cropping region, and WxH specifies its width and height. X,Y must be");
System.out.println(" evenly divible by the MCU block size (8x8 if the source image was");
System.out.println(" compressed using no subsampling or grayscale, or 16x8 for 4:2:2 or 16x16");
System.out.println(" for 4:2:0.)\n");
System.out.println("-display = Display output image (Output file need not be specified in this");
System.out.println(" case.)\n");
System.out.println("-fastupsample = Use the fastest chrominance upsampling algorithm available in");
System.out.println(" the underlying codec\n");
System.out.println("-fastdct = Use the fastest DCT/IDCT algorithms available in the underlying");
System.out.println(" codec\n");
System.out.println("-accuratedct = Use the most accurate DCT/IDCT algorithms available in the");
System.out.println(" underlying codec\n");
System.exit(1);
}
private static final String[] sampName = {
"4:4:4", "4:2:2", "4:2:0", "Grayscale", "4:4:0"
};
public static void main(String[] argv) {
BufferedImage img = null;
byte[] bmpBuf = null;
TJTransform xform = new TJTransform();
int flags = 0;
try {
sf = TJ.getScalingFactors();
if (argv.length < 2) {
usage();
}
TJScalingFactor scaleFactor = new TJScalingFactor(1, 1);
String inFormat = "jpg", outFormat = "jpg";
int outSubsamp = -1, outQual = 95;
boolean display = false;
if (argv.length > 1) {
for (int i = 1; i < argv.length; i++) {
if (argv[i].length() < 2)
continue;
if (argv[i].length() > 2 &&
argv[i].substring(0, 3).equalsIgnoreCase("-sc")) {
int match = 0;
if (i < argv.length - 1) {
String[] scaleArg = argv[++i].split("/");
if (scaleArg.length == 2) {
TJScalingFactor tempsf =
new TJScalingFactor(Integer.parseInt(scaleArg[0]),
Integer.parseInt(scaleArg[1]));
for (int j = 0; j < sf.length; j++) {
if (tempsf.equals(sf[j])) {
scaleFactor = sf[j];
match = 1;
break;
}
}
}
}
if (match != 1) usage();
}
if (argv[i].equalsIgnoreCase("-h") || argv[i].equalsIgnoreCase("-?"))
usage();
if (argv[i].length() > 2 &&
argv[i].substring(0, 3).equalsIgnoreCase("-sa")) {
if (i < argv.length - 1) {
i++;
if (argv[i].substring(0, 1).equalsIgnoreCase("g"))
outSubsamp = TJ.SAMP_GRAY;
else if (argv[i].equals("444"))
outSubsamp = TJ.SAMP_444;
else if (argv[i].equals("422"))
outSubsamp = TJ.SAMP_422;
else if (argv[i].equals("420"))
outSubsamp = TJ.SAMP_420;
else
usage();
} else
usage();
}
if (argv[i].substring(0, 2).equalsIgnoreCase("-q")) {
if (i < argv.length - 1) {
int qual = Integer.parseInt(argv[++i]);
if (qual >= 1 && qual <= 100)
outQual = qual;
else
usage();
} else
usage();
}
if (argv[i].substring(0, 2).equalsIgnoreCase("-g"))
xform.options |= TJTransform.OPT_GRAY;
if (argv[i].equalsIgnoreCase("-hflip"))
xform.op = TJTransform.OP_HFLIP;
if (argv[i].equalsIgnoreCase("-vflip"))
xform.op = TJTransform.OP_VFLIP;
if (argv[i].equalsIgnoreCase("-transpose"))
xform.op = TJTransform.OP_TRANSPOSE;
if (argv[i].equalsIgnoreCase("-transverse"))
xform.op = TJTransform.OP_TRANSVERSE;
if (argv[i].equalsIgnoreCase("-rot90"))
xform.op = TJTransform.OP_ROT90;
if (argv[i].equalsIgnoreCase("-rot180"))
xform.op = TJTransform.OP_ROT180;
if (argv[i].equalsIgnoreCase("-rot270"))
xform.op = TJTransform.OP_ROT270;
if (argv[i].equalsIgnoreCase("-custom"))
xform.cf = new TJExample();
else if (argv[i].length() > 2 &&
argv[i].substring(0, 2).equalsIgnoreCase("-c")) {
if (i >= argv.length - 1)
usage();
String[] cropArg = argv[++i].split(",");
if (cropArg.length != 3)
usage();
String[] dimArg = cropArg[2].split("[xX]");
if (dimArg.length != 2)
usage();
int tempx = Integer.parseInt(cropArg[0]);
int tempy = Integer.parseInt(cropArg[1]);
int tempw = Integer.parseInt(dimArg[0]);
int temph = Integer.parseInt(dimArg[1]);
if (tempx < 0 || tempy < 0 || tempw < 0 || temph < 0)
usage();
xform.x = tempx;
xform.y = tempy;
xform.width = tempw;
xform.height = temph;
xform.options |= TJTransform.OPT_CROP;
}
if (argv[i].substring(0, 2).equalsIgnoreCase("-d"))
display = true;
if (argv[i].equalsIgnoreCase("-fastupsample")) {
System.out.println("Using fast upsampling code");
flags |= TJ.FLAG_FASTUPSAMPLE;
}
if (argv[i].equalsIgnoreCase("-fastdct")) {
System.out.println("Using fastest DCT/IDCT algorithm");
flags |= TJ.FLAG_FASTDCT;
}
if (argv[i].equalsIgnoreCase("-accuratedct")) {
System.out.println("Using most accurate DCT/IDCT algorithm");
flags |= TJ.FLAG_ACCURATEDCT;
}
}
}
String[] inFileTokens = argv[0].split("\\.");
if (inFileTokens.length > 1)
inFormat = inFileTokens[inFileTokens.length - 1];
String[] outFileTokens;
if (display)
outFormat = "bmp";
else {
outFileTokens = argv[1].split("\\.");
if (outFileTokens.length > 1)
outFormat = outFileTokens[outFileTokens.length - 1];
}
File file = new File(argv[0]);
int width, height;
if (inFormat.equalsIgnoreCase("jpg")) {
FileInputStream fis = new FileInputStream(file);
int inputSize = fis.available();
if (inputSize < 1) {
System.out.println("Input file contains no data");
System.exit(1);
}
byte[] inputBuf = new byte[inputSize];
fis.read(inputBuf);
fis.close();
TJDecompressor tjd;
if (xform.op != TJTransform.OP_NONE || xform.options != 0 ||
xform.cf != null) {
TJTransformer tjt = new TJTransformer(inputBuf);
TJTransform[] t = new TJTransform[1];
t[0] = xform;
t[0].options |= TJTransform.OPT_TRIM;
TJDecompressor[] tjdx = tjt.transform(t, 0);
tjd = tjdx[0];
} else
tjd = new TJDecompressor(inputBuf);
width = tjd.getWidth();
height = tjd.getHeight();
int inSubsamp = tjd.getSubsamp();
System.out.println("Source Image: " + width + " x " + height +
" pixels, " + sampName[inSubsamp] + " subsampling");
if (outSubsamp < 0)
outSubsamp = inSubsamp;
if (outFormat.equalsIgnoreCase("jpg") &&
(xform.op != TJTransform.OP_NONE || xform.options != 0) &&
scaleFactor.isOne()) {
file = new File(argv[1]);
FileOutputStream fos = new FileOutputStream(file);
fos.write(tjd.getJPEGBuf(), 0, tjd.getJPEGSize());
fos.close();
System.exit(0);
}
width = scaleFactor.getScaled(width);
height = scaleFactor.getScaled(height);
if (!outFormat.equalsIgnoreCase("jpg"))
img = tjd.decompress(width, height, BufferedImage.TYPE_INT_RGB,
flags);
else
bmpBuf = tjd.decompress(width, 0, height, TJ.PF_BGRX, flags);
tjd.close();
} else {
img = ImageIO.read(file);
if (img == null)
throw new Exception("Input image type not supported.");
width = img.getWidth();
height = img.getHeight();
if (outSubsamp < 0) {
if (img.getType() == BufferedImage.TYPE_BYTE_GRAY)
outSubsamp = TJ.SAMP_GRAY;
else
outSubsamp = TJ.SAMP_444;
}
}
System.gc();
if (!display)
System.out.print("Dest. Image (" + outFormat + "): " + width + " x " +
height + " pixels");
if (display) {
ImageIcon icon = new ImageIcon(img);
JLabel label = new JLabel(icon, JLabel.CENTER);
JOptionPane.showMessageDialog(null, label, "Output Image",
JOptionPane.PLAIN_MESSAGE);
} else if (outFormat.equalsIgnoreCase("jpg")) {
System.out.println(", " + sampName[outSubsamp] +
" subsampling, quality = " + outQual);
TJCompressor tjc = new TJCompressor();
int jpegSize;
byte[] jpegBuf;
tjc.setSubsamp(outSubsamp);
tjc.setJPEGQuality(outQual);
if (img != null)
jpegBuf = tjc.compress(img, flags);
else {
tjc.setSourceImage(bmpBuf, 0, 0, width, 0, height, TJ.PF_BGRX);
jpegBuf = tjc.compress(flags);
}
jpegSize = tjc.getCompressedSize();
tjc.close();
file = new File(argv[1]);
FileOutputStream fos = new FileOutputStream(file);
fos.write(jpegBuf, 0, jpegSize);
fos.close();
} else {
System.out.print("\n");
file = new File(argv[1]);
ImageIO.write(img, outFormat, file);
}
} catch(Exception e) {
e.printStackTrace();
System.exit(-1);
}
}
public void customFilter(ShortBuffer coeffBuffer, Rectangle bufferRegion,
Rectangle planeRegion, int componentIndex,
int transformIndex, TJTransform transform)
throws Exception {
for (int i = 0; i < bufferRegion.width * bufferRegion.height; i++) {
coeffBuffer.put(i, (short)(-coeffBuffer.get(i)));
}
}
static TJScalingFactor[] sf = null;
};
libs/libjpeg-turbo/java/TJUnitTest.java
+927
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@@ -0,0 +1,927 @@
/*
* Copyright (C)2011-2012, 2014 D. R. Commander. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the libjpeg-turbo Project nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* This program tests the various code paths in the TurboJPEG JNI Wrapper
*/
import java.io.*;
import java.util.*;
import java.awt.image.*;
import javax.imageio.*;
import java.nio.*;
import org.libjpegturbo.turbojpeg.*;
public class TJUnitTest {
private static final String classname =
new TJUnitTest().getClass().getName();
private static void usage() {
System.out.println("\nUSAGE: java " + classname + " [options]\n");
System.out.println("Options:\n");
System.out.println("-yuv = test YUV encoding/decoding support\n");
System.out.println("-bi = test BufferedImage support\n");
System.exit(1);
}
private static final String[] subNameLong = {
"4:4:4", "4:2:2", "4:2:0", "GRAY", "4:4:0"
};
private static final String[] subName = {
"444", "422", "420", "GRAY", "440"
};
private static final String[] pixFormatStr = {
"RGB", "BGR", "RGBX", "BGRX", "XBGR", "XRGB", "Grayscale",
"RGBA", "BGRA", "ABGR", "ARGB"
};
private static final int[] alphaOffset = {
-1, -1, -1, -1, -1, -1, -1, 3, 3, 0, 0
};
private static final int[] _3byteFormats = {
TJ.PF_RGB, TJ.PF_BGR
};
private static final int[] _3byteFormatsBI = {
BufferedImage.TYPE_3BYTE_BGR
};
private static final int[] _4byteFormats = {
TJ.PF_RGBX, TJ.PF_BGRX, TJ.PF_XBGR, TJ.PF_XRGB
};
private static final int[] _4byteFormatsBI = {
BufferedImage.TYPE_INT_BGR, BufferedImage.TYPE_INT_RGB,
BufferedImage.TYPE_4BYTE_ABGR, BufferedImage.TYPE_4BYTE_ABGR_PRE,
BufferedImage.TYPE_INT_ARGB, BufferedImage.TYPE_INT_ARGB_PRE
};
private static final int[] onlyGray = {
TJ.PF_GRAY
};
private static final int[] onlyGrayBI = {
BufferedImage.TYPE_BYTE_GRAY
};
private static final int[] onlyRGB = {
TJ.PF_RGB
};
private static final int YUVENCODE = 1;
private static final int YUVDECODE = 2;
private static int yuv = 0;
private static boolean bi = false;
private static int exitStatus = 0;
private static int biTypePF(int biType) {
ByteOrder byteOrder = ByteOrder.nativeOrder();
switch(biType) {
case BufferedImage.TYPE_3BYTE_BGR:
return TJ.PF_BGR;
case BufferedImage.TYPE_4BYTE_ABGR:
case BufferedImage.TYPE_4BYTE_ABGR_PRE:
return TJ.PF_XBGR;
case BufferedImage.TYPE_BYTE_GRAY:
return TJ.PF_GRAY;
case BufferedImage.TYPE_INT_BGR:
if (byteOrder == ByteOrder.BIG_ENDIAN)
return TJ.PF_XBGR;
else
return TJ.PF_RGBX;
case BufferedImage.TYPE_INT_RGB:
if (byteOrder == ByteOrder.BIG_ENDIAN)
return TJ.PF_XRGB;
else
return TJ.PF_BGRX;
case BufferedImage.TYPE_INT_ARGB:
case BufferedImage.TYPE_INT_ARGB_PRE:
if (byteOrder == ByteOrder.BIG_ENDIAN)
return TJ.PF_ARGB;
else
return TJ.PF_BGRA;
}
return 0;
}
private static String biTypeStr(int biType) {
switch(biType) {
case BufferedImage.TYPE_3BYTE_BGR:
return "3BYTE_BGR";
case BufferedImage.TYPE_4BYTE_ABGR:
return "4BYTE_ABGR";
case BufferedImage.TYPE_4BYTE_ABGR_PRE:
return "4BYTE_ABGR_PRE";
case BufferedImage.TYPE_BYTE_GRAY:
return "BYTE_GRAY";
case BufferedImage.TYPE_INT_BGR:
return "INT_BGR";
case BufferedImage.TYPE_INT_RGB:
return "INT_RGB";
case BufferedImage.TYPE_INT_ARGB:
return "INT_ARGB";
case BufferedImage.TYPE_INT_ARGB_PRE:
return "INT_ARGB_PRE";
}
return "Unknown";
}
private static double getTime() {
return (double)System.nanoTime() / 1.0e9;
}
private static void initBuf(byte[] buf, int w, int pitch, int h, int pf,
int flags) throws Exception {
int roffset = TJ.getRedOffset(pf);
int goffset = TJ.getGreenOffset(pf);
int boffset = TJ.getBlueOffset(pf);
int aoffset = alphaOffset[pf];
int ps = TJ.getPixelSize(pf);
int index, row, col, halfway = 16;
Arrays.fill(buf, (byte)0);
if (pf == TJ.PF_GRAY) {
for (row = 0; row < h; row++) {
for (col = 0; col < w; col++) {
if ((flags & TJ.FLAG_BOTTOMUP) != 0)
index = pitch * (h - row - 1) + col;
else
index = pitch * row + col;
if (((row / 8) + (col / 8)) % 2 == 0)
buf[index] = (row < halfway) ? (byte)255 : 0;
else
buf[index] = (row < halfway) ? 76 : (byte)226;
}
}
return;
}
for (row = 0; row < h; row++) {
for (col = 0; col < w; col++) {
if ((flags & TJ.FLAG_BOTTOMUP) != 0)
index = pitch * (h - row - 1) + col * ps;
else
index = pitch * row + col * ps;
if (((row / 8) + (col / 8)) % 2 == 0) {
if (row < halfway) {
buf[index + roffset] = (byte)255;
buf[index + goffset] = (byte)255;
buf[index + boffset] = (byte)255;
}
} else {
buf[index + roffset] = (byte)255;
if (row >= halfway)
buf[index + goffset] = (byte)255;
}
if (aoffset >= 0)
buf[index + aoffset] = (byte)255;
}
}
}
private static void initIntBuf(int[] buf, int w, int pitch, int h, int pf,
int flags) throws Exception {
int rshift = TJ.getRedOffset(pf) * 8;
int gshift = TJ.getGreenOffset(pf) * 8;
int bshift = TJ.getBlueOffset(pf) * 8;
int ashift = alphaOffset[pf] * 8;
int index, row, col, halfway = 16;
Arrays.fill(buf, 0);
for (row = 0; row < h; row++) {
for (col = 0; col < w; col++) {
if ((flags & TJ.FLAG_BOTTOMUP) != 0)
index = pitch * (h - row - 1) + col;
else
index = pitch * row + col;
if (((row / 8) + (col / 8)) % 2 == 0) {
if (row < halfway) {
buf[index] |= (255 << rshift);
buf[index] |= (255 << gshift);
buf[index] |= (255 << bshift);
}
} else {
buf[index] |= (255 << rshift);
if (row >= halfway)
buf[index] |= (255 << gshift);
}
if (ashift >= 0)
buf[index] |= (255 << ashift);
}
}
}
private static void initImg(BufferedImage img, int pf, int flags)
throws Exception {
WritableRaster wr = img.getRaster();
int imgType = img.getType();
if (imgType == BufferedImage.TYPE_INT_RGB ||
imgType == BufferedImage.TYPE_INT_BGR ||
imgType == BufferedImage.TYPE_INT_ARGB ||
imgType == BufferedImage.TYPE_INT_ARGB_PRE) {
SinglePixelPackedSampleModel sm =
(SinglePixelPackedSampleModel)img.getSampleModel();
int pitch = sm.getScanlineStride();
DataBufferInt db = (DataBufferInt)wr.getDataBuffer();
int[] buf = db.getData();
initIntBuf(buf, img.getWidth(), pitch, img.getHeight(), pf, flags);
} else {
ComponentSampleModel sm = (ComponentSampleModel)img.getSampleModel();
int pitch = sm.getScanlineStride();
DataBufferByte db = (DataBufferByte)wr.getDataBuffer();
byte[] buf = db.getData();
initBuf(buf, img.getWidth(), pitch, img.getHeight(), pf, flags);
}
}
private static void checkVal(int row, int col, int v, String vname, int cv)
throws Exception {
v = (v < 0) ? v + 256 : v;
if (v < cv - 1 || v > cv + 1) {
throw new Exception("Comp. " + vname + " at " + row + "," + col +
" should be " + cv + ", not " + v);
}
}
private static void checkVal0(int row, int col, int v, String vname)
throws Exception {
v = (v < 0) ? v + 256 : v;
if (v > 1) {
throw new Exception("Comp. " + vname + " at " + row + "," + col +
" should be 0, not " + v);
}
}
private static void checkVal255(int row, int col, int v, String vname)
throws Exception {
v = (v < 0) ? v + 256 : v;
if (v < 254) {
throw new Exception("Comp. " + vname + " at " + row + "," + col +
" should be 255, not " + v);
}
}
private static int checkBuf(byte[] buf, int w, int pitch, int h, int pf,
int subsamp, TJScalingFactor sf, int flags)
throws Exception {
int roffset = TJ.getRedOffset(pf);
int goffset = TJ.getGreenOffset(pf);
int boffset = TJ.getBlueOffset(pf);
int aoffset = alphaOffset[pf];
int ps = TJ.getPixelSize(pf);
int index, row, col, retval = 1;
int halfway = 16 * sf.getNum() / sf.getDenom();
int blockSize = 8 * sf.getNum() / sf.getDenom();
try {
for (row = 0; row < halfway; row++) {
for (col = 0; col < w; col++) {
if ((flags & TJ.FLAG_BOTTOMUP) != 0)
index = pitch * (h - row - 1) + col * ps;
else
index = pitch * row + col * ps;
byte r = buf[index + roffset];
byte g = buf[index + goffset];
byte b = buf[index + boffset];
byte a = aoffset >= 0 ? buf[index + aoffset] : (byte)255;
if (((row / blockSize) + (col / blockSize)) % 2 == 0) {
if (row < halfway) {
checkVal255(row, col, r, "R");
checkVal255(row, col, g, "G");
checkVal255(row, col, b, "B");
} else {
checkVal0(row, col, r, "R");
checkVal0(row, col, g, "G");
checkVal0(row, col, b, "B");
}
} else {
if (subsamp == TJ.SAMP_GRAY) {
if (row < halfway) {
checkVal(row, col, r, "R", 76);
checkVal(row, col, g, "G", 76);
checkVal(row, col, b, "B", 76);
} else {
checkVal(row, col, r, "R", 226);
checkVal(row, col, g, "G", 226);
checkVal(row, col, b, "B", 226);
}
} else {
checkVal255(row, col, r, "R");
if (row < halfway) {
checkVal0(row, col, g, "G");
} else {
checkVal255(row, col, g, "G");
}
checkVal0(row, col, b, "B");
}
}
checkVal255(row, col, a, "A");
}
}
} catch(Exception e) {
System.out.println("\n" + e.getMessage());
retval = 0;
}
if (retval == 0) {
for (row = 0; row < h; row++) {
for (col = 0; col < w; col++) {
int r = buf[pitch * row + col * ps + roffset];
int g = buf[pitch * row + col * ps + goffset];
int b = buf[pitch * row + col * ps + boffset];
if (r < 0) r += 256;
if (g < 0) g += 256;
if (b < 0) b += 256;
System.out.format("%3d/%3d/%3d ", r, g, b);
}
System.out.print("\n");
}
}
return retval;
}
private static int checkIntBuf(int[] buf, int w, int pitch, int h, int pf,
int subsamp, TJScalingFactor sf, int flags)
throws Exception {
int rshift = TJ.getRedOffset(pf) * 8;
int gshift = TJ.getGreenOffset(pf) * 8;
int bshift = TJ.getBlueOffset(pf) * 8;
int ashift = alphaOffset[pf] * 8;
int index, row, col, retval = 1;
int halfway = 16 * sf.getNum() / sf.getDenom();
int blockSize = 8 * sf.getNum() / sf.getDenom();
try {
for (row = 0; row < halfway; row++) {
for (col = 0; col < w; col++) {
if ((flags & TJ.FLAG_BOTTOMUP) != 0)
index = pitch * (h - row - 1) + col;
else
index = pitch * row + col;
int r = (buf[index] >> rshift) & 0xFF;
int g = (buf[index] >> gshift) & 0xFF;
int b = (buf[index] >> bshift) & 0xFF;
int a = ashift >= 0 ? (buf[index] >> ashift) & 0xFF : 255;
if (((row / blockSize) + (col / blockSize)) % 2 == 0) {
if (row < halfway) {
checkVal255(row, col, r, "R");
checkVal255(row, col, g, "G");
checkVal255(row, col, b, "B");
} else {
checkVal0(row, col, r, "R");
checkVal0(row, col, g, "G");
checkVal0(row, col, b, "B");
}
} else {
if (subsamp == TJ.SAMP_GRAY) {
if (row < halfway) {
checkVal(row, col, r, "R", 76);
checkVal(row, col, g, "G", 76);
checkVal(row, col, b, "B", 76);
} else {
checkVal(row, col, r, "R", 226);
checkVal(row, col, g, "G", 226);
checkVal(row, col, b, "B", 226);
}
} else {
checkVal255(row, col, r, "R");
if (row < halfway) {
checkVal0(row, col, g, "G");
} else {
checkVal255(row, col, g, "G");
}
checkVal0(row, col, b, "B");
}
}
checkVal255(row, col, a, "A");
}
}
} catch(Exception e) {
System.out.println("\n" + e.getMessage());
retval = 0;
}
if (retval == 0) {
for (row = 0; row < h; row++) {
for (col = 0; col < w; col++) {
int r = (buf[pitch * row + col] >> rshift) & 0xFF;
int g = (buf[pitch * row + col] >> gshift) & 0xFF;
int b = (buf[pitch * row + col] >> bshift) & 0xFF;
if (r < 0) r += 256;
if (g < 0) g += 256;
if (b < 0) b += 256;
System.out.format("%3d/%3d/%3d ", r, g, b);
}
System.out.print("\n");
}
}
return retval;
}
private static int checkImg(BufferedImage img, int pf, int subsamp,
TJScalingFactor sf, int flags) throws Exception {
WritableRaster wr = img.getRaster();
int imgType = img.getType();
if (imgType == BufferedImage.TYPE_INT_RGB ||
imgType == BufferedImage.TYPE_INT_BGR ||
imgType == BufferedImage.TYPE_INT_ARGB ||
imgType == BufferedImage.TYPE_INT_ARGB_PRE) {
SinglePixelPackedSampleModel sm =
(SinglePixelPackedSampleModel)img.getSampleModel();
int pitch = sm.getScanlineStride();
DataBufferInt db = (DataBufferInt)wr.getDataBuffer();
int[] buf = db.getData();
return checkIntBuf(buf, img.getWidth(), pitch, img.getHeight(), pf,
subsamp, sf, flags);
} else {
ComponentSampleModel sm = (ComponentSampleModel)img.getSampleModel();
int pitch = sm.getScanlineStride();
DataBufferByte db = (DataBufferByte)wr.getDataBuffer();
byte[] buf = db.getData();
return checkBuf(buf, img.getWidth(), pitch, img.getHeight(), pf, subsamp,
sf, flags);
}
}
private static int PAD(int v, int p) {
return ((v + (p) - 1) & (~((p) - 1)));
}
private static int checkBufYUV(byte[] buf, int size, int w, int h,
int subsamp) throws Exception {
int row, col;
int hsf = TJ.getMCUWidth(subsamp) / 8, vsf = TJ.getMCUHeight(subsamp) / 8;
int pw = PAD(w, hsf), ph = PAD(h, vsf);
int cw = pw / hsf, ch = ph / vsf;
int ypitch = PAD(pw, 4), uvpitch = PAD(cw, 4);
int retval = 1;
int correctsize = ypitch * ph +
(subsamp == TJ.SAMP_GRAY ? 0 : uvpitch * ch * 2);
int halfway = 16;
try {
if (size != correctsize)
throw new Exception("Incorrect size " + size + ". Should be " +
correctsize);
for (row = 0; row < ph; row++) {
for (col = 0; col < pw; col++) {
byte y = buf[ypitch * row + col];
if (((row / 8) + (col / 8)) % 2 == 0) {
if (row < halfway)
checkVal255(row, col, y, "Y");
else
checkVal0(row, col, y, "Y");
} else {
if (row < halfway)
checkVal(row, col, y, "Y", 76);
else
checkVal(row, col, y, "Y", 226);
}
}
}
if (subsamp != TJ.SAMP_GRAY) {
halfway = 16 / vsf;
for (row = 0; row < ch; row++) {
for (col = 0; col < cw; col++) {
byte u = buf[ypitch * ph + (uvpitch * row + col)],
v = buf[ypitch * ph + uvpitch * ch + (uvpitch * row + col)];
if (((row * vsf / 8) + (col * hsf / 8)) % 2 == 0) {
checkVal(row, col, u, "U", 128);
checkVal(row, col, v, "V", 128);
} else {
if (row < halfway) {
checkVal(row, col, u, "U", 85);
checkVal255(row, col, v, "V");
} else {
checkVal0(row, col, u, "U");
checkVal(row, col, v, "V", 149);
}
}
}
}
}
} catch(Exception e) {
System.out.println("\n" + e.getMessage());
retval = 0;
}
if (retval == 0) {
for (row = 0; row < ph; row++) {
for (col = 0; col < pw; col++) {
int y = buf[ypitch * row + col];
if (y < 0) y += 256;
System.out.format("%3d ", y);
}
System.out.print("\n");
}
System.out.print("\n");
for (row = 0; row < ch; row++) {
for (col = 0; col < cw; col++) {
int u = buf[ypitch * ph + (uvpitch * row + col)];
if (u < 0) u += 256;
System.out.format("%3d ", u);
}
System.out.print("\n");
}
System.out.print("\n");
for (row = 0; row < ch; row++) {
for (col = 0; col < cw; col++) {
int v = buf[ypitch * ph + uvpitch * ch + (uvpitch * row + col)];
if (v < 0) v += 256;
System.out.format("%3d ", v);
}
System.out.print("\n");
}
}
return retval;
}
private static void writeJPEG(byte[] jpegBuf, int jpegBufSize,
String filename) throws Exception {
File file = new File(filename);
FileOutputStream fos = new FileOutputStream(file);
fos.write(jpegBuf, 0, jpegBufSize);
fos.close();
}
private static int compTest(TJCompressor tjc, byte[] dstBuf, int w,
int h, int pf, String baseName, int subsamp,
int jpegQual, int flags) throws Exception {
String tempstr;
byte[] srcBuf = null;
BufferedImage img = null;
String pfStr;
double t;
int size = 0, ps, imgType = pf;
if (bi) {
pf = biTypePF(imgType);
pfStr = biTypeStr(imgType);
} else
pfStr = pixFormatStr[pf];
ps = TJ.getPixelSize(pf);
System.out.print(pfStr + " ");
if (bi)
System.out.print("(" + pixFormatStr[pf] + ") ");
if ((flags & TJ.FLAG_BOTTOMUP) != 0)
System.out.print("Bottom-Up");
else
System.out.print("Top-Down ");
System.out.print(" -> " + subNameLong[subsamp] + " ");
if (yuv == YUVENCODE)
System.out.print("YUV ... ");
else
System.out.print("Q" + jpegQual + " ... ");
if (bi) {
img = new BufferedImage(w, h, imgType);
initImg(img, pf, flags);
tempstr = baseName + "_enc_" + pfStr + "_" +
(((flags & TJ.FLAG_BOTTOMUP) != 0) ? "BU" : "TD") + "_" +
subName[subsamp] + "_Q" + jpegQual + ".png";
File file = new File(tempstr);
ImageIO.write(img, "png", file);
} else {
srcBuf = new byte[w * h * ps + 1];
initBuf(srcBuf, w, w * ps, h, pf, flags);
}
Arrays.fill(dstBuf, (byte)0);
t = getTime();
tjc.setSubsamp(subsamp);
tjc.setJPEGQuality(jpegQual);
if (bi) {
if (yuv == YUVENCODE)
tjc.encodeYUV(img, dstBuf, flags);
else
tjc.compress(img, dstBuf, flags);
} else {
tjc.setSourceImage(srcBuf, 0, 0, w, 0, h, pf);
if (yuv == YUVENCODE)
tjc.encodeYUV(dstBuf, flags);
else
tjc.compress(dstBuf, flags);
}
size = tjc.getCompressedSize();
t = getTime() - t;
if (yuv == YUVENCODE)
tempstr = baseName + "_enc_" + pfStr + "_" +
(((flags & TJ.FLAG_BOTTOMUP) != 0) ? "BU" : "TD") + "_" +
subName[subsamp] + ".yuv";
else
tempstr = baseName + "_enc_" + pfStr + "_" +
(((flags & TJ.FLAG_BOTTOMUP) != 0) ? "BU" : "TD") + "_" +
subName[subsamp] + "_Q" + jpegQual + ".jpg";
writeJPEG(dstBuf, size, tempstr);
if (yuv == YUVENCODE) {
if (checkBufYUV(dstBuf, size, w, h, subsamp) == 1)
System.out.print("Passed.");
else {
System.out.print("FAILED!");
exitStatus = -1;
}
} else
System.out.print("Done.");
System.out.format(" %.6f ms\n", t * 1000.);
System.out.println(" Result in " + tempstr);
return size;
}
private static void decompTest(TJDecompressor tjd, byte[] jpegBuf,
int jpegSize, int w, int h, int pf,
String baseName, int subsamp, int flags,
TJScalingFactor sf) throws Exception {
String pfStr, tempstr;
double t;
int scaledWidth = sf.getScaled(w);
int scaledHeight = sf.getScaled(h);
int temp1, temp2, imgType = pf;
BufferedImage img = null;
byte[] dstBuf = null;
if (yuv == YUVENCODE) return;
if (bi) {
pf = biTypePF(imgType);
pfStr = biTypeStr(imgType);
} else
pfStr = pixFormatStr[pf];
System.out.print("JPEG -> ");
if (yuv == YUVDECODE)
System.out.print("YUV " + subNameLong[subsamp] + " ... ");
else {
System.out.print(pfStr + " ");
if (bi)
System.out.print("(" + pixFormatStr[pf] + ") ");
if ((flags & TJ.FLAG_BOTTOMUP) != 0)
System.out.print("Bottom-Up ");
else
System.out.print("Top-Down ");
if (!sf.isOne())
System.out.print(sf.getNum() + "/" + sf.getDenom() + " ... ");
else
System.out.print("... ");
}
t = getTime();
tjd.setJPEGImage(jpegBuf, jpegSize);
if (tjd.getWidth() != w || tjd.getHeight() != h ||
tjd.getSubsamp() != subsamp)
throw new Exception("Incorrect JPEG header");
temp1 = scaledWidth;
temp2 = scaledHeight;
temp1 = tjd.getScaledWidth(temp1, temp2);
temp2 = tjd.getScaledHeight(temp1, temp2);
if (temp1 != scaledWidth || temp2 != scaledHeight)
throw new Exception("Scaled size mismatch");
if (yuv == YUVDECODE)
dstBuf = tjd.decompressToYUV(flags);
else {
if (bi)
img = tjd.decompress(scaledWidth, scaledHeight, imgType, flags);
else
dstBuf = tjd.decompress(scaledWidth, 0, scaledHeight, pf, flags);
}
t = getTime() - t;
if (bi) {
tempstr = baseName + "_dec_" + pfStr + "_" +
(((flags & TJ.FLAG_BOTTOMUP) != 0) ? "BU" : "TD") + "_" +
subName[subsamp] + "_" +
(double)sf.getNum() / (double)sf.getDenom() + "x" + ".png";
File file = new File(tempstr);
ImageIO.write(img, "png", file);
}
if (yuv == YUVDECODE) {
if (checkBufYUV(dstBuf, dstBuf.length, w, h, subsamp) == 1)
System.out.print("Passed.");
else {
System.out.print("FAILED!"); exitStatus = -1;
}
} else {
if ((bi && checkImg(img, pf, subsamp, sf, flags) == 1) ||
(!bi && checkBuf(dstBuf, scaledWidth,
scaledWidth * TJ.getPixelSize(pf), scaledHeight, pf,
subsamp, sf, flags) == 1))
System.out.print("Passed.");
else {
System.out.print("FAILED!");
exitStatus = -1;
}
}
System.out.format(" %.6f ms\n", t * 1000.);
}
private static void decompTest(TJDecompressor tjd, byte[] jpegBuf,
int jpegSize, int w, int h, int pf,
String baseName, int subsamp,
int flags) throws Exception {
int i;
if ((subsamp == TJ.SAMP_444 || subsamp == TJ.SAMP_GRAY) && yuv == 0) {
TJScalingFactor[] sf = TJ.getScalingFactors();
for (i = 0; i < sf.length; i++)
decompTest(tjd, jpegBuf, jpegSize, w, h, pf, baseName, subsamp,
flags, sf[i]);
} else
decompTest(tjd, jpegBuf, jpegSize, w, h, pf, baseName, subsamp,
flags, new TJScalingFactor(1, 1));
}
private static void doTest(int w, int h, int[] formats, int subsamp,
String baseName) throws Exception {
TJCompressor tjc = null;
TJDecompressor tjd = null;
int size;
byte[] dstBuf;
if (yuv == YUVENCODE)
dstBuf = new byte[TJ.bufSizeYUV(w, h, subsamp)];
else
dstBuf = new byte[TJ.bufSize(w, h, subsamp)];
try {
tjc = new TJCompressor();
tjd = new TJDecompressor();
for (int pf : formats) {
for (int i = 0; i < 2; i++) {
int flags = 0;
if (subsamp == TJ.SAMP_422 || subsamp == TJ.SAMP_420 ||
subsamp == TJ.SAMP_440)
flags |= TJ.FLAG_FASTUPSAMPLE;
if (i == 1) {
if (yuv == YUVDECODE) {
tjc.close();
tjd.close();
return;
} else
flags |= TJ.FLAG_BOTTOMUP;
}
size = compTest(tjc, dstBuf, w, h, pf, baseName, subsamp, 100,
flags);
decompTest(tjd, dstBuf, size, w, h, pf, baseName, subsamp, flags);
if (pf >= TJ.PF_RGBX && pf <= TJ.PF_XRGB && !bi)
decompTest(tjd, dstBuf, size, w, h, pf + (TJ.PF_RGBA - TJ.PF_RGBX),
baseName, subsamp, flags);
System.out.print("\n");
}
}
System.out.print("--------------------\n\n");
} catch(Exception e) {
if (tjc != null) tjc.close();
if (tjd != null) tjd.close();
throw e;
}
if (tjc != null) tjc.close();
if (tjd != null) tjd.close();
}
private static void bufSizeTest() throws Exception {
int w, h, i, subsamp;
byte[] srcBuf, dstBuf;
TJCompressor tjc = null;
Random r = new Random();
try {
tjc = new TJCompressor();
System.out.println("Buffer size regression test");
for (subsamp = 0; subsamp < TJ.NUMSAMP; subsamp++) {
for (w = 1; w < 48; w++) {
int maxh = (w == 1) ? 2048 : 48;
for (h = 1; h < maxh; h++) {
if (h % 100 == 0)
System.out.format("%04d x %04d\b\b\b\b\b\b\b\b\b\b\b", w, h);
srcBuf = new byte[w * h * 4];
if (yuv == YUVENCODE)
dstBuf = new byte[TJ.bufSizeYUV(w, h, subsamp)];
else
dstBuf = new byte[TJ.bufSize(w, h, subsamp)];
for (i = 0; i < w * h * 4; i++) {
srcBuf[i] = (byte)(r.nextInt(2) * 255);
}
tjc.setSourceImage(srcBuf, 0, 0, w, 0, h, TJ.PF_BGRX);
tjc.setSubsamp(subsamp);
tjc.setJPEGQuality(100);
if (yuv == YUVENCODE)
tjc.encodeYUV(dstBuf, 0);
else
tjc.compress(dstBuf, 0);
srcBuf = new byte[h * w * 4];
if (yuv == YUVENCODE)
dstBuf = new byte[TJ.bufSizeYUV(h, w, subsamp)];
else
dstBuf = new byte[TJ.bufSize(h, w, subsamp)];
for (i = 0; i < h * w * 4; i++) {
srcBuf[i] = (byte)(r.nextInt(2) * 255);
}
tjc.setSourceImage(srcBuf, 0, 0, h, 0, w, TJ.PF_BGRX);
if (yuv == YUVENCODE)
tjc.encodeYUV(dstBuf, 0);
else
tjc.compress(dstBuf, 0);
}
}
}
System.out.println("Done. ");
} catch(Exception e) {
if (tjc != null) tjc.close();
throw e;
}
if (tjc != null) tjc.close();
}
public static void main(String[] argv) {
try {
String testName = "javatest";
boolean doyuv = false;
for (int i = 0; i < argv.length; i++) {
if (argv[i].equalsIgnoreCase("-yuv"))
doyuv = true;
if (argv[i].substring(0, 1).equalsIgnoreCase("-h") ||
argv[i].equalsIgnoreCase("-?"))
usage();
if (argv[i].equalsIgnoreCase("-bi")) {
bi = true;
testName = "javabitest";
}
}
if (doyuv) yuv = YUVENCODE;
doTest(35, 39, bi ? _3byteFormatsBI : _3byteFormats, TJ.SAMP_444,
testName);
doTest(39, 41, bi ? _4byteFormatsBI : _4byteFormats, TJ.SAMP_444,
testName);
doTest(41, 35, bi ? _3byteFormatsBI : _3byteFormats, TJ.SAMP_422,
testName);
doTest(35, 39, bi ? _4byteFormatsBI : _4byteFormats, TJ.SAMP_422,
testName);
doTest(39, 41, bi ? _3byteFormatsBI : _3byteFormats, TJ.SAMP_420,
testName);
doTest(41, 35, bi ? _4byteFormatsBI : _4byteFormats, TJ.SAMP_420,
testName);
doTest(35, 39, bi ? _3byteFormatsBI : _3byteFormats, TJ.SAMP_440,
testName);
doTest(39, 41, bi ? _4byteFormatsBI : _4byteFormats, TJ.SAMP_440,
testName);
doTest(35, 39, bi ? onlyGrayBI : onlyGray, TJ.SAMP_GRAY, testName);
doTest(39, 41, bi ? _3byteFormatsBI : _3byteFormats, TJ.SAMP_GRAY,
testName);
doTest(41, 35, bi ? _4byteFormatsBI : _4byteFormats, TJ.SAMP_GRAY,
testName);
if (!bi)
bufSizeTest();
if (doyuv && !bi) {
System.out.print("\n--------------------\n\n");
yuv = YUVDECODE;
doTest(48, 48, onlyRGB, TJ.SAMP_444, "javatest_yuv0");
doTest(35, 39, onlyRGB, TJ.SAMP_444, "javatest_yuv1");
doTest(48, 48, onlyRGB, TJ.SAMP_422, "javatest_yuv0");
doTest(39, 41, onlyRGB, TJ.SAMP_422, "javatest_yuv1");
doTest(48, 48, onlyRGB, TJ.SAMP_420, "javatest_yuv0");
doTest(41, 35, onlyRGB, TJ.SAMP_420, "javatest_yuv1");
doTest(48, 48, onlyRGB, TJ.SAMP_440, "javatest_yuv0");
doTest(35, 39, onlyRGB, TJ.SAMP_440, "javatest_yuv1");
doTest(48, 48, onlyRGB, TJ.SAMP_GRAY, "javatest_yuv0");
doTest(35, 39, onlyRGB, TJ.SAMP_GRAY, "javatest_yuv1");
doTest(48, 48, onlyGray, TJ.SAMP_GRAY, "javatest_yuv0");
doTest(39, 41, onlyGray, TJ.SAMP_GRAY, "javatest_yuv1");
}
} catch(Exception e) {
e.printStackTrace();
exitStatus = -1;
}
System.exit(exitStatus);
}
}
libs/libjpeg-turbo/java/doc/allclasses-frame.html
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libs/libjpeg-turbo/java/doc/allclasses-noframe.html
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libs/libjpeg-turbo/java/doc/constant-values.html
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Constant Field Values
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Constant Field Values</H1>
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<B>Contents</B><UL>
<LI><A HREF="#org.libjpegturbo">org.libjpegturbo.*</A>
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<TH ALIGN="left"><FONT SIZE="+2">
org.libjpegturbo.*</FONT></TH>
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<P>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left" COLSPAN="3">org.libjpegturbo.turbojpeg.<A HREF="org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.FLAG_ACCURATEDCT"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#FLAG_ACCURATEDCT">FLAG_ACCURATEDCT</A></CODE></TD>
<TD ALIGN="right"><CODE>4096</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.FLAG_BOTTOMUP"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#FLAG_BOTTOMUP">FLAG_BOTTOMUP</A></CODE></TD>
<TD ALIGN="right"><CODE>2</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.FLAG_FASTDCT"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#FLAG_FASTDCT">FLAG_FASTDCT</A></CODE></TD>
<TD ALIGN="right"><CODE>2048</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.FLAG_FASTUPSAMPLE"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#FLAG_FASTUPSAMPLE">FLAG_FASTUPSAMPLE</A></CODE></TD>
<TD ALIGN="right"><CODE>256</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.FLAG_FORCEMMX"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#FLAG_FORCEMMX">FLAG_FORCEMMX</A></CODE></TD>
<TD ALIGN="right"><CODE>8</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.FLAG_FORCESSE"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#FLAG_FORCESSE">FLAG_FORCESSE</A></CODE></TD>
<TD ALIGN="right"><CODE>16</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.FLAG_FORCESSE2"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#FLAG_FORCESSE2">FLAG_FORCESSE2</A></CODE></TD>
<TD ALIGN="right"><CODE>32</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.FLAG_FORCESSE3"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#FLAG_FORCESSE3">FLAG_FORCESSE3</A></CODE></TD>
<TD ALIGN="right"><CODE>128</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.NUMPF"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#NUMPF">NUMPF</A></CODE></TD>
<TD ALIGN="right"><CODE>11</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.NUMSAMP"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#NUMSAMP">NUMSAMP</A></CODE></TD>
<TD ALIGN="right"><CODE>5</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.PF_ABGR"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#PF_ABGR">PF_ABGR</A></CODE></TD>
<TD ALIGN="right"><CODE>9</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.PF_ARGB"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#PF_ARGB">PF_ARGB</A></CODE></TD>
<TD ALIGN="right"><CODE>10</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.PF_BGR"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#PF_BGR">PF_BGR</A></CODE></TD>
<TD ALIGN="right"><CODE>1</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.PF_BGRA"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#PF_BGRA">PF_BGRA</A></CODE></TD>
<TD ALIGN="right"><CODE>8</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.PF_BGRX"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#PF_BGRX">PF_BGRX</A></CODE></TD>
<TD ALIGN="right"><CODE>3</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.PF_GRAY"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#PF_GRAY">PF_GRAY</A></CODE></TD>
<TD ALIGN="right"><CODE>6</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.PF_RGB"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#PF_RGB">PF_RGB</A></CODE></TD>
<TD ALIGN="right"><CODE>0</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.PF_RGBA"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#PF_RGBA">PF_RGBA</A></CODE></TD>
<TD ALIGN="right"><CODE>7</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.PF_RGBX"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#PF_RGBX">PF_RGBX</A></CODE></TD>
<TD ALIGN="right"><CODE>2</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.PF_XBGR"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#PF_XBGR">PF_XBGR</A></CODE></TD>
<TD ALIGN="right"><CODE>4</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.PF_XRGB"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#PF_XRGB">PF_XRGB</A></CODE></TD>
<TD ALIGN="right"><CODE>5</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.SAMP_420"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#SAMP_420">SAMP_420</A></CODE></TD>
<TD ALIGN="right"><CODE>2</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.SAMP_422"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#SAMP_422">SAMP_422</A></CODE></TD>
<TD ALIGN="right"><CODE>1</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.SAMP_440"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#SAMP_440">SAMP_440</A></CODE></TD>
<TD ALIGN="right"><CODE>4</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.SAMP_444"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#SAMP_444">SAMP_444</A></CODE></TD>
<TD ALIGN="right"><CODE>0</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.SAMP_GRAY"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#SAMP_GRAY">SAMP_GRAY</A></CODE></TD>
<TD ALIGN="right"><CODE>3</CODE></TD>
</TR>
</FONT></TD>
</TR>
</TABLE>
<P>
<P>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left" COLSPAN="3">org.libjpegturbo.turbojpeg.<A HREF="org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJTransform.NUMOP"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJTransform.html#NUMOP">NUMOP</A></CODE></TD>
<TD ALIGN="right"><CODE>8</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJTransform.OP_HFLIP"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJTransform.html#OP_HFLIP">OP_HFLIP</A></CODE></TD>
<TD ALIGN="right"><CODE>1</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJTransform.OP_NONE"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJTransform.html#OP_NONE">OP_NONE</A></CODE></TD>
<TD ALIGN="right"><CODE>0</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJTransform.OP_ROT180"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJTransform.html#OP_ROT180">OP_ROT180</A></CODE></TD>
<TD ALIGN="right"><CODE>6</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJTransform.OP_ROT270"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJTransform.html#OP_ROT270">OP_ROT270</A></CODE></TD>
<TD ALIGN="right"><CODE>7</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJTransform.OP_ROT90"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJTransform.html#OP_ROT90">OP_ROT90</A></CODE></TD>
<TD ALIGN="right"><CODE>5</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJTransform.OP_TRANSPOSE"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJTransform.html#OP_TRANSPOSE">OP_TRANSPOSE</A></CODE></TD>
<TD ALIGN="right"><CODE>3</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJTransform.OP_TRANSVERSE"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJTransform.html#OP_TRANSVERSE">OP_TRANSVERSE</A></CODE></TD>
<TD ALIGN="right"><CODE>4</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJTransform.OP_VFLIP"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJTransform.html#OP_VFLIP">OP_VFLIP</A></CODE></TD>
<TD ALIGN="right"><CODE>2</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJTransform.OPT_CROP"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJTransform.html#OPT_CROP">OPT_CROP</A></CODE></TD>
<TD ALIGN="right"><CODE>4</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJTransform.OPT_GRAY"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJTransform.html#OPT_GRAY">OPT_GRAY</A></CODE></TD>
<TD ALIGN="right"><CODE>8</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJTransform.OPT_NOOUTPUT"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJTransform.html#OPT_NOOUTPUT">OPT_NOOUTPUT</A></CODE></TD>
<TD ALIGN="right"><CODE>16</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJTransform.OPT_PERFECT"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJTransform.html#OPT_PERFECT">OPT_PERFECT</A></CODE></TD>
<TD ALIGN="right"><CODE>1</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJTransform.OPT_TRIM"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJTransform.html#OPT_TRIM">OPT_TRIM</A></CODE></TD>
<TD ALIGN="right"><CODE>2</CODE></TD>
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<LI><A HREF="#method">Deprecated Methods</A>
<LI><A HREF="#constructor">Deprecated Constructors</A>
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<TD><A HREF="org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(byte[], int, int, int, int, int)">org.libjpegturbo.turbojpeg.TJDecompressor.decompress(byte[], int, int, int, int, int)</A>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Use
<A HREF="org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(byte[], int, int, int, int, int, int, int)"><CODE>TJDecompressor.decompress(byte[], int, int, int, int, int, int, int)</CODE></A> instead.</I>&nbsp;</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><A HREF="org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int)">org.libjpegturbo.turbojpeg.TJCompressor.setSourceImage(byte[], int, int, int, int)</A>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Use
<A HREF="org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>TJCompressor.setSourceImage(byte[], int, int, int, int, int, int)</CODE></A> instead.</I>&nbsp;</TD>
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<B>Deprecated Constructors</B></FONT></TH>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><A HREF="org/libjpegturbo/turbojpeg/TJCompressor.html#TJCompressor(byte[], int, int, int, int)">org.libjpegturbo.turbojpeg.TJCompressor(byte[], int, int, int, int)</A>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Use
<A HREF="org/libjpegturbo/turbojpeg/TJCompressor.html#TJCompressor(byte[], int, int, int, int, int, int)"><CODE>TJCompressor.TJCompressor(byte[], int, int, int, int, int, int)</CODE></A> instead.</I>&nbsp;</TD>
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<H1>
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This API (Application Programming Interface) document has pages corresponding to the items in the navigation bar, described as follows.<H3>
Package</H3>
<BLOCKQUOTE>
<P>
Each package has a page that contains a list of its classes and interfaces, with a summary for each. This page can contain four categories:<UL>
<LI>Interfaces (italic)<LI>Classes<LI>Enums<LI>Exceptions<LI>Errors<LI>Annotation Types</UL>
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Class/Interface</H3>
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Each class, interface, nested class and nested interface has its own separate page. Each of these pages has three sections consisting of a class/interface description, summary tables, and detailed member descriptions:<UL>
<LI>Class inheritance diagram<LI>Direct Subclasses<LI>All Known Subinterfaces<LI>All Known Implementing Classes<LI>Class/interface declaration<LI>Class/interface description
<P>
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<P>
<LI>Field Detail<LI>Constructor Detail<LI>Method Detail</UL>
Each summary entry contains the first sentence from the detailed description for that item. The summary entries are alphabetical, while the detailed descriptions are in the order they appear in the source code. This preserves the logical groupings established by the programmer.</BLOCKQUOTE>
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<H3>
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<BLOCKQUOTE>
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Each annotation type has its own separate page with the following sections:<UL>
<LI>Annotation Type declaration<LI>Annotation Type description<LI>Required Element Summary<LI>Optional Element Summary<LI>Element Detail</UL>
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<H3>
Enum</H3>
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Each enum has its own separate page with the following sections:<UL>
<LI>Enum declaration<LI>Enum description<LI>Enum Constant Summary<LI>Enum Constant Detail</UL>
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Tree (Class Hierarchy)</H3>
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There is a <A HREF="overview-tree.html">Class Hierarchy</A> page for all packages, plus a hierarchy for each package. Each hierarchy page contains a list of classes and a list of interfaces. The classes are organized by inheritance structure starting with <code>java.lang.Object</code>. The interfaces do not inherit from <code>java.lang.Object</code>.<UL>
<LI>When viewing the Overview page, clicking on "Tree" displays the hierarchy for all packages.<LI>When viewing a particular package, class or interface page, clicking "Tree" displays the hierarchy for only that package.</UL>
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<H3>
Deprecated API</H3>
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The <A HREF="deprecated-list.html">Deprecated API</A> page lists all of the API that have been deprecated. A deprecated API is not recommended for use, generally due to improvements, and a replacement API is usually given. Deprecated APIs may be removed in future implementations.</BLOCKQUOTE>
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Index</H3>
<BLOCKQUOTE>
The <A HREF="index-all.html">Index</A> contains an alphabetic list of all classes, interfaces, constructors, methods, and fields.</BLOCKQUOTE>
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These links take you to the next or previous class, interface, package, or related page.<H3>
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These links show and hide the HTML frames. All pages are available with or without frames.
<P>
<H3>
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Each serializable or externalizable class has a description of its serialization fields and methods. This information is of interest to re-implementors, not to developers using the API. While there is no link in the navigation bar, you can get to this information by going to any serialized class and clicking "Serialized Form" in the "See also" section of the class description.
<P>
<H3>
Constant Field Values</H3>
The <a href="constant-values.html">Constant Field Values</a> page lists the static final fields and their values.
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<A HREF="#_B_">B</A> <A HREF="#_C_">C</A> <A HREF="#_D_">D</A> <A HREF="#_E_">E</A> <A HREF="#_F_">F</A> <A HREF="#_G_">G</A> <A HREF="#_H_">H</A> <A HREF="#_I_">I</A> <A HREF="#_J_">J</A> <A HREF="#_N_">N</A> <A HREF="#_O_">O</A> <A HREF="#_P_">P</A> <A HREF="#_S_">S</A> <A HREF="#_T_">T</A> <HR>
<A NAME="_B_"><!-- --></A><H2>
<B>B</B></H2>
<DL>
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#bufSize(int, int, int)"><B>bufSize(int, int, int)</B></A> -
Static method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>Returns the maximum size of the buffer (in bytes) required to hold a JPEG
image with the given width, height, and level of chrominance subsampling.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#bufSizeYUV(int, int, int)"><B>bufSizeYUV(int, int, int)</B></A> -
Static method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>Returns the size of the buffer (in bytes) required to hold a YUV planar
image with the given width, height, and level of chrominance subsampling.
</DL>
<HR>
<A NAME="_C_"><!-- --></A><H2>
<B>C</B></H2>
<DL>
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#cf"><B>cf</B></A> -
Variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>Custom filter instance
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#close()"><B>close()</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg">TJCompressor</A>
<DD>Free the native structures associated with this compressor instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#close()"><B>close()</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Free the native structures associated with this decompressor instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#compress(byte[], int)"><B>compress(byte[], int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg">TJCompressor</A>
<DD>Compress the uncompressed source image associated with this compressor
instance and output a JPEG image to the given destination buffer.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#compress(int)"><B>compress(int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg">TJCompressor</A>
<DD>Compress the uncompressed source image associated with this compressor
instance and return a buffer containing a JPEG image.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#compress(java.awt.image.BufferedImage, byte[], int)"><B>compress(BufferedImage, byte[], int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg">TJCompressor</A>
<DD>Compress the uncompressed source image stored in <code>srcImage</code>
and output a JPEG image to the given destination buffer.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#compress(java.awt.image.BufferedImage, int)"><B>compress(BufferedImage, int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg">TJCompressor</A>
<DD>Compress the uncompressed source image stored in <code>srcImage</code>
and return a buffer containing a JPEG image.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCustomFilter.html#customFilter(java.nio.ShortBuffer, java.awt.Rectangle, java.awt.Rectangle, int, int, org.libjpegturbo.turbojpeg.TJTransform)"><B>customFilter(ShortBuffer, Rectangle, Rectangle, int, int, TJTransform)</B></A> -
Method in interface org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCustomFilter.html" title="interface in org.libjpegturbo.turbojpeg">TJCustomFilter</A>
<DD>A callback function that can be used to modify the DCT coefficients after
they are losslessly transformed but before they are transcoded to a new
JPEG image.
</DL>
<HR>
<A NAME="_D_"><!-- --></A><H2>
<B>D</B></H2>
<DL>
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(byte[], int, int, int, int, int, int, int)"><B>decompress(byte[], int, int, int, int, int, int, int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Decompress the JPEG source image associated with this decompressor
instance and output a decompressed image to the given destination buffer.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(byte[], int, int, int, int, int)"><B>decompress(byte[], int, int, int, int, int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD><B>Deprecated.</B>&nbsp;<I>Use
<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(byte[], int, int, int, int, int, int, int)"><CODE>TJDecompressor.decompress(byte[], int, int, int, int, int, int, int)</CODE></A> instead.</I>
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(int, int, int, int, int)"><B>decompress(int, int, int, int, int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Decompress the JPEG source image associated with this decompressor
instance and return a buffer containing the decompressed image.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(int[], int, int, int, int, int, int, int)"><B>decompress(int[], int, int, int, int, int, int, int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Decompress the JPEG source image associated with this decompressor
instance and output a decompressed image to the given destination buffer.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(java.awt.image.BufferedImage, int)"><B>decompress(BufferedImage, int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Decompress the JPEG source image associated with this decompressor
instance and output a decompressed image to the given
<code>BufferedImage</code> instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(int, int, int, int)"><B>decompress(int, int, int, int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Decompress the JPEG source image associated with this decompressor
instance and return a <code>BufferedImage</code> instance containing the
decompressed image.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#decompressToYUV(byte[], int)"><B>decompressToYUV(byte[], int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Decompress the JPEG source image associated with this decompressor
instance and output a YUV planar image to the given destination buffer.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#decompressToYUV(int)"><B>decompressToYUV(int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Decompress the JPEG source image associated with this decompressor
instance and return a buffer containing a YUV planar image.
</DL>
<HR>
<A NAME="_E_"><!-- --></A><H2>
<B>E</B></H2>
<DL>
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(byte[], int)"><B>encodeYUV(byte[], int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg">TJCompressor</A>
<DD>Encode the uncompressed source image associated with this compressor
instance and output a YUV planar image to the given destination buffer.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(int)"><B>encodeYUV(int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg">TJCompressor</A>
<DD>Encode the uncompressed source image associated with this compressor
instance and return a buffer containing a YUV planar image.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(java.awt.image.BufferedImage, byte[], int)"><B>encodeYUV(BufferedImage, byte[], int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg">TJCompressor</A>
<DD>Encode the uncompressed source image stored in <code>srcImage</code>
and output a YUV planar image to the given destination buffer.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(java.awt.image.BufferedImage, int)"><B>encodeYUV(BufferedImage, int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg">TJCompressor</A>
<DD>Encode the uncompressed source image stored in <code>srcImage</code>
and return a buffer containing a YUV planar image.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJScalingFactor.html#equals(org.libjpegturbo.turbojpeg.TJScalingFactor)"><B>equals(TJScalingFactor)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJScalingFactor.html" title="class in org.libjpegturbo.turbojpeg">TJScalingFactor</A>
<DD>Returns true or false, depending on whether this instance and
<code>other</code> have the same numerator and denominator.
</DL>
<HR>
<A NAME="_F_"><!-- --></A><H2>
<B>F</B></H2>
<DL>
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#finalize()"><B>finalize()</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg">TJCompressor</A>
<DD>&nbsp;
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#finalize()"><B>finalize()</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>&nbsp;
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#FLAG_ACCURATEDCT"><B>FLAG_ACCURATEDCT</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>Use the most accurate DCT/IDCT algorithm available in the underlying
codec.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#FLAG_BOTTOMUP"><B>FLAG_BOTTOMUP</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>The uncompressed source/destination image is stored in bottom-up (Windows,
OpenGL) order, not top-down (X11) order.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#FLAG_FASTDCT"><B>FLAG_FASTDCT</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>Use the fastest DCT/IDCT algorithm available in the underlying codec.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#FLAG_FASTUPSAMPLE"><B>FLAG_FASTUPSAMPLE</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>When decompressing an image that was compressed using chrominance
subsampling, use the fastest chrominance upsampling algorithm available in
the underlying codec.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#FLAG_FORCEMMX"><B>FLAG_FORCEMMX</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>Turn off CPU auto-detection and force TurboJPEG to use MMX code
(if the underlying codec supports it.)
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#FLAG_FORCESSE"><B>FLAG_FORCESSE</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>Turn off CPU auto-detection and force TurboJPEG to use SSE code
(if the underlying codec supports it.)
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#FLAG_FORCESSE2"><B>FLAG_FORCESSE2</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>Turn off CPU auto-detection and force TurboJPEG to use SSE2 code
(if the underlying codec supports it.)
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#FLAG_FORCESSE3"><B>FLAG_FORCESSE3</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>Turn off CPU auto-detection and force TurboJPEG to use SSE3 code
(if the underlying codec supports it.)
</DL>
<HR>
<A NAME="_G_"><!-- --></A><H2>
<B>G</B></H2>
<DL>
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#getBlueOffset(int)"><B>getBlueOffset(int)</B></A> -
Static method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>For the given pixel format, returns the number of bytes that the blue
component is offset from the start of the pixel.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#getCompressedSize()"><B>getCompressedSize()</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg">TJCompressor</A>
<DD>Returns the size of the image (in bytes) generated by the most recent
compress/encode operation.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJScalingFactor.html#getDenom()"><B>getDenom()</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJScalingFactor.html" title="class in org.libjpegturbo.turbojpeg">TJScalingFactor</A>
<DD>Returns denominator
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#getGreenOffset(int)"><B>getGreenOffset(int)</B></A> -
Static method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>For the given pixel format, returns the number of bytes that the green
component is offset from the start of the pixel.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#getHeight()"><B>getHeight()</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Returns the height of the JPEG image associated with this decompressor
instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#getJPEGBuf()"><B>getJPEGBuf()</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Returns the JPEG image buffer associated with this decompressor instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#getJPEGSize()"><B>getJPEGSize()</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Returns the size of the JPEG image (in bytes) associated with this
decompressor instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#getMCUHeight(int)"><B>getMCUHeight(int)</B></A> -
Static method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>Returns the MCU block height for the given level of chrominance
subsampling.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#getMCUWidth(int)"><B>getMCUWidth(int)</B></A> -
Static method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>Returns the MCU block width for the given level of chrominance
subsampling.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJScalingFactor.html#getNum()"><B>getNum()</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJScalingFactor.html" title="class in org.libjpegturbo.turbojpeg">TJScalingFactor</A>
<DD>Returns numerator
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#getPixelSize(int)"><B>getPixelSize(int)</B></A> -
Static method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>Returns the pixel size (in bytes) for the given pixel format.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#getRedOffset(int)"><B>getRedOffset(int)</B></A> -
Static method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>For the given pixel format, returns the number of bytes that the red
component is offset from the start of the pixel.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJScalingFactor.html#getScaled(int)"><B>getScaled(int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJScalingFactor.html" title="class in org.libjpegturbo.turbojpeg">TJScalingFactor</A>
<DD>Returns the scaled value of <code>dimension</code>.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#getScaledHeight(int, int)"><B>getScaledHeight(int, int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Returns the height of the largest scaled-down image that the TurboJPEG
decompressor can generate without exceeding the desired image width and
height.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#getScaledWidth(int, int)"><B>getScaledWidth(int, int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Returns the width of the largest scaled-down image that the TurboJPEG
decompressor can generate without exceeding the desired image width and
height.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#getScalingFactors()"><B>getScalingFactors()</B></A> -
Static method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>Returns a list of fractional scaling factors that the JPEG decompressor in
this implementation of TurboJPEG supports.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#getSubsamp()"><B>getSubsamp()</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Returns the level of chrominance subsampling used in the JPEG image
associated with this decompressor instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransformer.html#getTransformedSizes()"><B>getTransformedSizes()</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransformer.html" title="class in org.libjpegturbo.turbojpeg">TJTransformer</A>
<DD>Returns an array containing the sizes of the transformed JPEG images
generated by the most recent transform operation.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#getWidth()"><B>getWidth()</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Returns the width of the JPEG image associated with this decompressor
instance.
</DL>
<HR>
<A NAME="_H_"><!-- --></A><H2>
<B>H</B></H2>
<DL>
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#handle"><B>handle</B></A> -
Variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>&nbsp;
</DL>
<HR>
<A NAME="_I_"><!-- --></A><H2>
<B>I</B></H2>
<DL>
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJScalingFactor.html#isOne()"><B>isOne()</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJScalingFactor.html" title="class in org.libjpegturbo.turbojpeg">TJScalingFactor</A>
<DD>Returns true or false, depending on whether this instance is equal to
1/1.
</DL>
<HR>
<A NAME="_J_"><!-- --></A><H2>
<B>J</B></H2>
<DL>
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#jpegBuf"><B>jpegBuf</B></A> -
Variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>&nbsp;
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#jpegBufSize"><B>jpegBufSize</B></A> -
Variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>&nbsp;
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#jpegHeight"><B>jpegHeight</B></A> -
Variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>&nbsp;
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#jpegSubsamp"><B>jpegSubsamp</B></A> -
Variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>&nbsp;
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#jpegWidth"><B>jpegWidth</B></A> -
Variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>&nbsp;
</DL>
<HR>
<A NAME="_N_"><!-- --></A><H2>
<B>N</B></H2>
<DL>
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#NUMOP"><B>NUMOP</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>The number of lossless transform operations
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#NUMPF"><B>NUMPF</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>The number of pixel formats
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#NUMSAMP"><B>NUMSAMP</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>The number of chrominance subsampling options
</DL>
<HR>
<A NAME="_O_"><!-- --></A><H2>
<B>O</B></H2>
<DL>
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#op"><B>op</B></A> -
Variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>Transform operation (one of <code>OP_*</code>)
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#OP_HFLIP"><B>OP_HFLIP</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>Flip (mirror) image horizontally.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#OP_NONE"><B>OP_NONE</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>Do not transform the position of the image pixels.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#OP_ROT180"><B>OP_ROT180</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>Rotate image 180 degrees.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#OP_ROT270"><B>OP_ROT270</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>Rotate image counter-clockwise by 90 degrees.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#OP_ROT90"><B>OP_ROT90</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>Rotate image clockwise by 90 degrees.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#OP_TRANSPOSE"><B>OP_TRANSPOSE</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>Transpose image (flip/mirror along upper left to lower right axis).
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#OP_TRANSVERSE"><B>OP_TRANSVERSE</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>Transverse transpose image (flip/mirror along upper right to lower left
axis).
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#OP_VFLIP"><B>OP_VFLIP</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>Flip (mirror) image vertically.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#OPT_CROP"><B>OPT_CROP</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>This option will enable lossless cropping.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#OPT_GRAY"><B>OPT_GRAY</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>This option will discard the color data in the input image and produce
a grayscale output image.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#OPT_NOOUTPUT"><B>OPT_NOOUTPUT</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>This option will prevent <A HREF="./org/libjpegturbo/turbojpeg/TJTransformer.html#transform(byte[][], org.libjpegturbo.turbojpeg.TJTransform[], int)"><CODE>TJTransformer.transform()</CODE></A> from outputting a JPEG image for this
particular transform.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#OPT_PERFECT"><B>OPT_PERFECT</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>This option will cause <A HREF="./org/libjpegturbo/turbojpeg/TJTransformer.html#transform(byte[][], org.libjpegturbo.turbojpeg.TJTransform[], int)"><CODE>TJTransformer.transform()</CODE></A> to throw an exception if the transform is not
perfect.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#OPT_TRIM"><B>OPT_TRIM</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>This option will discard any partial MCU blocks that cannot be
transformed.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#options"><B>options</B></A> -
Variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>Transform options (bitwise OR of one or more of <code>OPT_*</code>)
<DT><A HREF="./org/libjpegturbo/turbojpeg/package-summary.html"><B>org.libjpegturbo.turbojpeg</B></A> - package org.libjpegturbo.turbojpeg<DD>&nbsp;</DL>
<HR>
<A NAME="_P_"><!-- --></A><H2>
<B>P</B></H2>
<DL>
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#PF_ABGR"><B>PF_ABGR</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>ABGR pixel format.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#PF_ARGB"><B>PF_ARGB</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>ARGB pixel format.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#PF_BGR"><B>PF_BGR</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>BGR pixel format.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#PF_BGRA"><B>PF_BGRA</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>BGRA pixel format.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#PF_BGRX"><B>PF_BGRX</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>BGRX pixel format.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#PF_GRAY"><B>PF_GRAY</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>Grayscale pixel format.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#PF_RGB"><B>PF_RGB</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>RGB pixel format.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#PF_RGBA"><B>PF_RGBA</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>RGBA pixel format.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#PF_RGBX"><B>PF_RGBX</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>RGBX pixel format.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#PF_XBGR"><B>PF_XBGR</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>XBGR pixel format.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#PF_XRGB"><B>PF_XRGB</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>XRGB pixel format.
</DL>
<HR>
<A NAME="_S_"><!-- --></A><H2>
<B>S</B></H2>
<DL>
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#SAMP_420"><B>SAMP_420</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>4:2:0 chrominance subsampling.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#SAMP_422"><B>SAMP_422</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>4:2:2 chrominance subsampling.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#SAMP_440"><B>SAMP_440</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>4:4:0 chrominance subsampling.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#SAMP_444"><B>SAMP_444</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>4:4:4 chrominance subsampling (no chrominance subsampling).
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#SAMP_GRAY"><B>SAMP_GRAY</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>Grayscale.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#setJPEGImage(byte[], int)"><B>setJPEGImage(byte[], int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Associate the JPEG image of length <code>imageSize</code> bytes stored in
<code>jpegImage</code> with this decompressor instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#setJPEGQuality(int)"><B>setJPEGQuality(int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg">TJCompressor</A>
<DD>Set the JPEG image quality level for subsequent compress operations.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><B>setSourceImage(byte[], int, int, int, int, int, int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg">TJCompressor</A>
<DD>Associate an uncompressed source image with this compressor instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int)"><B>setSourceImage(byte[], int, int, int, int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg">TJCompressor</A>
<DD><B>Deprecated.</B>&nbsp;<I>Use
<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>TJCompressor.setSourceImage(byte[], int, int, int, int, int, int)</CODE></A> instead.</I>
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#setSubsamp(int)"><B>setSubsamp(int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg">TJCompressor</A>
<DD>Set the level of chrominance subsampling for subsequent compress/encode
operations.
</DL>
<HR>
<A NAME="_T_"><!-- --></A><H2>
<B>T</B></H2>
<DL>
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg"><B>TJ</B></A> - Class in <A HREF="./org/libjpegturbo/turbojpeg/package-summary.html">org.libjpegturbo.turbojpeg</A><DD>TurboJPEG utility class (cannot be instantiated)<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#TJ()"><B>TJ()</B></A> -
Constructor for class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>&nbsp;
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg"><B>TJCompressor</B></A> - Class in <A HREF="./org/libjpegturbo/turbojpeg/package-summary.html">org.libjpegturbo.turbojpeg</A><DD>TurboJPEG compressor<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#TJCompressor()"><B>TJCompressor()</B></A> -
Constructor for class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg">TJCompressor</A>
<DD>Create a TurboJPEG compressor instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#TJCompressor(byte[], int, int, int, int, int, int)"><B>TJCompressor(byte[], int, int, int, int, int, int)</B></A> -
Constructor for class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg">TJCompressor</A>
<DD>Create a TurboJPEG compressor instance and associate the uncompressed
source image stored in <code>srcImage</code> with the newly created
instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#TJCompressor(byte[], int, int, int, int)"><B>TJCompressor(byte[], int, int, int, int)</B></A> -
Constructor for class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg">TJCompressor</A>
<DD><B>Deprecated.</B>&nbsp;<I>Use
<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#TJCompressor(byte[], int, int, int, int, int, int)"><CODE>TJCompressor.TJCompressor(byte[], int, int, int, int, int, int)</CODE></A> instead.</I>
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCustomFilter.html" title="interface in org.libjpegturbo.turbojpeg"><B>TJCustomFilter</B></A> - Interface in <A HREF="./org/libjpegturbo/turbojpeg/package-summary.html">org.libjpegturbo.turbojpeg</A><DD>Custom filter callback interface<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg"><B>TJDecompressor</B></A> - Class in <A HREF="./org/libjpegturbo/turbojpeg/package-summary.html">org.libjpegturbo.turbojpeg</A><DD>TurboJPEG decompressor<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#TJDecompressor()"><B>TJDecompressor()</B></A> -
Constructor for class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Create a TurboJPEG decompresssor instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#TJDecompressor(byte[])"><B>TJDecompressor(byte[])</B></A> -
Constructor for class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Create a TurboJPEG decompressor instance and associate the JPEG image
stored in <code>jpegImage</code> with the newly created instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#TJDecompressor(byte[], int)"><B>TJDecompressor(byte[], int)</B></A> -
Constructor for class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Create a TurboJPEG decompressor instance and associate the JPEG image
of length <code>imageSize</code> bytes stored in <code>jpegImage</code>
with the newly created instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJScalingFactor.html" title="class in org.libjpegturbo.turbojpeg"><B>TJScalingFactor</B></A> - Class in <A HREF="./org/libjpegturbo/turbojpeg/package-summary.html">org.libjpegturbo.turbojpeg</A><DD>Fractional scaling factor<DT><A HREF="./org/libjpegturbo/turbojpeg/TJScalingFactor.html#TJScalingFactor(int, int)"><B>TJScalingFactor(int, int)</B></A> -
Constructor for class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJScalingFactor.html" title="class in org.libjpegturbo.turbojpeg">TJScalingFactor</A>
<DD>&nbsp;
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg"><B>TJTransform</B></A> - Class in <A HREF="./org/libjpegturbo/turbojpeg/package-summary.html">org.libjpegturbo.turbojpeg</A><DD>Lossless transform parameters<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#TJTransform()"><B>TJTransform()</B></A> -
Constructor for class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>Create a new lossless transform instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#TJTransform(int, int, int, int, int, int, org.libjpegturbo.turbojpeg.TJCustomFilter)"><B>TJTransform(int, int, int, int, int, int, TJCustomFilter)</B></A> -
Constructor for class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>Create a new lossless transform instance with the given parameters.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#TJTransform(java.awt.Rectangle, int, int, org.libjpegturbo.turbojpeg.TJCustomFilter)"><B>TJTransform(Rectangle, int, int, TJCustomFilter)</B></A> -
Constructor for class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>Create a new lossless transform instance with the given parameters.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransformer.html" title="class in org.libjpegturbo.turbojpeg"><B>TJTransformer</B></A> - Class in <A HREF="./org/libjpegturbo/turbojpeg/package-summary.html">org.libjpegturbo.turbojpeg</A><DD>TurboJPEG lossless transformer<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransformer.html#TJTransformer()"><B>TJTransformer()</B></A> -
Constructor for class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransformer.html" title="class in org.libjpegturbo.turbojpeg">TJTransformer</A>
<DD>Create a TurboJPEG lossless transformer instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransformer.html#TJTransformer(byte[])"><B>TJTransformer(byte[])</B></A> -
Constructor for class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransformer.html" title="class in org.libjpegturbo.turbojpeg">TJTransformer</A>
<DD>Create a TurboJPEG lossless transformer instance and associate the JPEG
image stored in <code>jpegImage</code> with the newly created instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransformer.html#TJTransformer(byte[], int)"><B>TJTransformer(byte[], int)</B></A> -
Constructor for class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransformer.html" title="class in org.libjpegturbo.turbojpeg">TJTransformer</A>
<DD>Create a TurboJPEG lossless transformer instance and associate the JPEG
image of length <code>imageSize</code> bytes stored in
<code>jpegImage</code> with the newly created instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransformer.html#transform(byte[][], org.libjpegturbo.turbojpeg.TJTransform[], int)"><B>transform(byte[][], TJTransform[], int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransformer.html" title="class in org.libjpegturbo.turbojpeg">TJTransformer</A>
<DD>Losslessly transform the JPEG image associated with this transformer
instance into one or more JPEG images stored in the given destination
buffers.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransformer.html#transform(org.libjpegturbo.turbojpeg.TJTransform[], int)"><B>transform(TJTransform[], int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransformer.html" title="class in org.libjpegturbo.turbojpeg">TJTransformer</A>
<DD>Losslessly transform the JPEG image associated with this transformer
instance and return an array of <A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJDecompressor</CODE></A> instances, each of
which has a transformed JPEG image associated with it.
</DL>
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targetPage = "undefined";
function validURL(url) {
var pos = url.indexOf(".html");
if (pos == -1 || pos != url.length - 5)
return false;
var allowNumber = false;
var allowSep = false;
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|| ch == '-') {
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libs/libjpeg-turbo/java/doc/org/libjpegturbo/turbojpeg/TJ.html
+1094
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libs/libjpeg-turbo/java/doc/org/libjpegturbo/turbojpeg/TJCompressor.html
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TJCompressor
</TITLE>
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org.libjpegturbo.turbojpeg</FONT>
<BR>
Class TJCompressor</H2>
<PRE>
java.lang.Object
<IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>org.libjpegturbo.turbojpeg.TJCompressor</B>
</PRE>
<HR>
<DL>
<DT><PRE>public class <B>TJCompressor</B><DT>extends java.lang.Object</DL>
</PRE>
<P>
TurboJPEG compressor
<P>
<P>
<HR>
<P>
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
<A NAME="constructor_summary"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
<B>Constructor Summary</B></FONT></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#TJCompressor()">TJCompressor</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a TurboJPEG compressor instance.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#TJCompressor(byte[], int, int, int, int)">TJCompressor</A></B>(byte[]&nbsp;srcImage,
int&nbsp;width,
int&nbsp;pitch,
int&nbsp;height,
int&nbsp;pixelFormat)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;<I>Use
<A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#TJCompressor(byte[], int, int, int, int, int, int)"><CODE>TJCompressor(byte[], int, int, int, int, int, int)</CODE></A> instead.</I></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#TJCompressor(byte[], int, int, int, int, int, int)">TJCompressor</A></B>(byte[]&nbsp;srcImage,
int&nbsp;x,
int&nbsp;y,
int&nbsp;width,
int&nbsp;pitch,
int&nbsp;height,
int&nbsp;pixelFormat)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a TurboJPEG compressor instance and associate the uncompressed
source image stored in <code>srcImage</code> with the newly created
instance.</TD>
</TR>
</TABLE>
&nbsp;
<!-- ========== METHOD SUMMARY =========== -->
<A NAME="method_summary"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
<B>Method Summary</B></FONT></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#close()">close</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Free the native structures associated with this compressor instance.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#compress(java.awt.image.BufferedImage, byte[], int)">compress</A></B>(java.awt.image.BufferedImage&nbsp;srcImage,
byte[]&nbsp;dstBuf,
int&nbsp;flags)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Compress the uncompressed source image stored in <code>srcImage</code>
and output a JPEG image to the given destination buffer.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;byte[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#compress(java.awt.image.BufferedImage, int)">compress</A></B>(java.awt.image.BufferedImage&nbsp;srcImage,
int&nbsp;flags)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Compress the uncompressed source image stored in <code>srcImage</code>
and return a buffer containing a JPEG image.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#compress(byte[], int)">compress</A></B>(byte[]&nbsp;dstBuf,
int&nbsp;flags)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Compress the uncompressed source image associated with this compressor
instance and output a JPEG image to the given destination buffer.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;byte[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#compress(int)">compress</A></B>(int&nbsp;flags)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Compress the uncompressed source image associated with this compressor
instance and return a buffer containing a JPEG image.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(java.awt.image.BufferedImage, byte[], int)">encodeYUV</A></B>(java.awt.image.BufferedImage&nbsp;srcImage,
byte[]&nbsp;dstBuf,
int&nbsp;flags)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Encode the uncompressed source image stored in <code>srcImage</code>
and output a YUV planar image to the given destination buffer.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;byte[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(java.awt.image.BufferedImage, int)">encodeYUV</A></B>(java.awt.image.BufferedImage&nbsp;srcImage,
int&nbsp;flags)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Encode the uncompressed source image stored in <code>srcImage</code>
and return a buffer containing a YUV planar image.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(byte[], int)">encodeYUV</A></B>(byte[]&nbsp;dstBuf,
int&nbsp;flags)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Encode the uncompressed source image associated with this compressor
instance and output a YUV planar image to the given destination buffer.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;byte[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(int)">encodeYUV</A></B>(int&nbsp;flags)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Encode the uncompressed source image associated with this compressor
instance and return a buffer containing a YUV planar image.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#finalize()">finalize</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#getCompressedSize()">getCompressedSize</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the size of the image (in bytes) generated by the most recent
compress/encode operation.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setJPEGQuality(int)">setJPEGQuality</A></B>(int&nbsp;quality)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the JPEG image quality level for subsequent compress operations.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int)">setSourceImage</A></B>(byte[]&nbsp;srcImage,
int&nbsp;width,
int&nbsp;pitch,
int&nbsp;height,
int&nbsp;pixelFormat)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;<I>Use
<A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>setSourceImage(byte[], int, int, int, int, int, int)</CODE></A> instead.</I></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)">setSourceImage</A></B>(byte[]&nbsp;srcImage,
int&nbsp;x,
int&nbsp;y,
int&nbsp;width,
int&nbsp;pitch,
int&nbsp;height,
int&nbsp;pixelFormat)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Associate an uncompressed source image with this compressor instance.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSubsamp(int)">setSubsamp</A></B>(int&nbsp;newSubsamp)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the level of chrominance subsampling for subsequent compress/encode
operations.</TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
</TR>
</TABLE>
&nbsp;
<P>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<A NAME="constructor_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Constructor Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="TJCompressor()"><!-- --></A><H3>
TJCompressor</H3>
<PRE>
public <B>TJCompressor</B>()
throws java.lang.Exception</PRE>
<DL>
<DD>Create a TurboJPEG compressor instance.
<P>
<DL>
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DL>
<HR>
<A NAME="TJCompressor(byte[], int, int, int, int, int, int)"><!-- --></A><H3>
TJCompressor</H3>
<PRE>
public <B>TJCompressor</B>(byte[]&nbsp;srcImage,
int&nbsp;x,
int&nbsp;y,
int&nbsp;width,
int&nbsp;pitch,
int&nbsp;height,
int&nbsp;pixelFormat)
throws java.lang.Exception</PRE>
<DL>
<DD>Create a TurboJPEG compressor instance and associate the uncompressed
source image stored in <code>srcImage</code> with the newly created
instance.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>srcImage</CODE> - see <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>setSourceImage(byte[], int, int, int, int, int, int)</CODE></A> for description<DD><CODE>x</CODE> - see <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>setSourceImage(byte[], int, int, int, int, int, int)</CODE></A> for description<DD><CODE>y</CODE> - see <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>setSourceImage(byte[], int, int, int, int, int, int)</CODE></A> for description<DD><CODE>width</CODE> - see <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>setSourceImage(byte[], int, int, int, int, int, int)</CODE></A> for description<DD><CODE>pitch</CODE> - see <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>setSourceImage(byte[], int, int, int, int, int, int)</CODE></A> for description<DD><CODE>height</CODE> - see <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>setSourceImage(byte[], int, int, int, int, int, int)</CODE></A> for description<DD><CODE>pixelFormat</CODE> - pixel format of the source image (one of
<A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_RGB"><CODE>TJ.PF_*</CODE></A>)
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DL>
<HR>
<A NAME="TJCompressor(byte[], int, int, int, int)"><!-- --></A><H3>
TJCompressor</H3>
<PRE>
<FONT SIZE="-1">@Deprecated
</FONT>public <B>TJCompressor</B>(byte[]&nbsp;srcImage,
int&nbsp;width,
int&nbsp;pitch,
int&nbsp;height,
int&nbsp;pixelFormat)
throws java.lang.Exception</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<I>Use
<A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#TJCompressor(byte[], int, int, int, int, int, int)"><CODE>TJCompressor(byte[], int, int, int, int, int, int)</CODE></A> instead.</I>
<P>
<DL>
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DL>
<!-- ============ METHOD DETAIL ========== -->
<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Method Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="setSourceImage(byte[], int, int, int, int, int, int)"><!-- --></A><H3>
setSourceImage</H3>
<PRE>
public void <B>setSourceImage</B>(byte[]&nbsp;srcImage,
int&nbsp;x,
int&nbsp;y,
int&nbsp;width,
int&nbsp;pitch,
int&nbsp;height,
int&nbsp;pixelFormat)
throws java.lang.Exception</PRE>
<DL>
<DD>Associate an uncompressed source image with this compressor instance.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>srcImage</CODE> - image buffer containing RGB or grayscale pixels to be
compressed or encoded<DD><CODE>x</CODE> - x offset (in pixels) of the region in the source image from which
the JPEG or YUV image should be compressed/encoded<DD><CODE>y</CODE> - y offset (in pixels) of the region in the source image from which
the JPEG or YUV image should be compressed/encoded<DD><CODE>width</CODE> - width (in pixels) of the region in the source image from
which the JPEG or YUV image should be compressed/encoded<DD><CODE>pitch</CODE> - bytes per line of the source image. Normally, this should be
<code>width * TJ.pixelSize(pixelFormat)</code> if the source image is
unpadded, but you can use this parameter to, for instance, specify that
the scanlines in the source image are padded to a 4-byte boundary or to
compress/encode a JPEG or YUV image from a region of a larger source
image. You can also be clever and use this parameter to skip lines, etc.
Setting this parameter to 0 is the equivalent of setting it to
<code>width * TJ.pixelSize(pixelFormat)</code>.<DD><CODE>height</CODE> - height (in pixels) of the region in the source image from
which the JPEG or YUV image should be compressed/encoded<DD><CODE>pixelFormat</CODE> - pixel format of the source image (one of
<A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#PF_RGB"><CODE>TJ.PF_*</CODE></A>)
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="setSourceImage(byte[], int, int, int, int)"><!-- --></A><H3>
setSourceImage</H3>
<PRE>
<FONT SIZE="-1">@Deprecated
</FONT>public void <B>setSourceImage</B>(byte[]&nbsp;srcImage,
int&nbsp;width,
int&nbsp;pitch,
int&nbsp;height,
int&nbsp;pixelFormat)
throws java.lang.Exception</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<I>Use
<A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>setSourceImage(byte[], int, int, int, int, int, int)</CODE></A> instead.</I>
<P>
<DD><DL>
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="setSubsamp(int)"><!-- --></A><H3>
setSubsamp</H3>
<PRE>
public void <B>setSubsamp</B>(int&nbsp;newSubsamp)
throws java.lang.Exception</PRE>
<DL>
<DD>Set the level of chrominance subsampling for subsequent compress/encode
operations.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>newSubsamp</CODE> - the level of chrominance subsampling to use in
subsequent compress/encode operations (one of
<A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#SAMP_444"><CODE>TJ.SAMP_*</CODE></A>)
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="setJPEGQuality(int)"><!-- --></A><H3>
setJPEGQuality</H3>
<PRE>
public void <B>setJPEGQuality</B>(int&nbsp;quality)
throws java.lang.Exception</PRE>
<DL>
<DD>Set the JPEG image quality level for subsequent compress operations.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>quality</CODE> - the new JPEG image quality level (1 to 100, 1 = worst,
100 = best)
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="compress(byte[], int)"><!-- --></A><H3>
compress</H3>
<PRE>
public void <B>compress</B>(byte[]&nbsp;dstBuf,
int&nbsp;flags)
throws java.lang.Exception</PRE>
<DL>
<DD>Compress the uncompressed source image associated with this compressor
instance and output a JPEG image to the given destination buffer.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>dstBuf</CODE> - buffer that will receive the JPEG image. Use
<A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#bufSize(int, int, int)"><CODE>TJ.bufSize(int, int, int)</CODE></A> to determine the maximum size for this buffer based on
the source image's width and height and the desired level of chrominance
subsampling.<DD><CODE>flags</CODE> - the bitwise OR of one or more of
<A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_BOTTOMUP"><CODE>TJ.FLAG_*</CODE></A>
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="compress(int)"><!-- --></A><H3>
compress</H3>
<PRE>
public byte[] <B>compress</B>(int&nbsp;flags)
throws java.lang.Exception</PRE>
<DL>
<DD>Compress the uncompressed source image associated with this compressor
instance and return a buffer containing a JPEG image.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>flags</CODE> - the bitwise OR of one or more of
<A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_BOTTOMUP"><CODE>TJ.FLAG_*</CODE></A>
<DT><B>Returns:</B><DD>a buffer containing a JPEG image. The length of this buffer will
not be equal to the size of the JPEG image. Use <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#getCompressedSize()"><CODE>getCompressedSize()</CODE></A> to obtain the size of the JPEG image.
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="compress(java.awt.image.BufferedImage, byte[], int)"><!-- --></A><H3>
compress</H3>
<PRE>
public void <B>compress</B>(java.awt.image.BufferedImage&nbsp;srcImage,
byte[]&nbsp;dstBuf,
int&nbsp;flags)
throws java.lang.Exception</PRE>
<DL>
<DD>Compress the uncompressed source image stored in <code>srcImage</code>
and output a JPEG image to the given destination buffer.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>srcImage</CODE> - a <code>BufferedImage</code> instance containing RGB or
grayscale pixels to be compressed<DD><CODE>dstBuf</CODE> - buffer that will receive the JPEG image. Use
<A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#bufSize(int, int, int)"><CODE>TJ.bufSize(int, int, int)</CODE></A> to determine the maximum size for this buffer based on
the image width, height, and level of chrominance subsampling.<DD><CODE>flags</CODE> - the bitwise OR of one or more of
<A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_BOTTOMUP"><CODE>TJ.FLAG_*</CODE></A>
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="compress(java.awt.image.BufferedImage, int)"><!-- --></A><H3>
compress</H3>
<PRE>
public byte[] <B>compress</B>(java.awt.image.BufferedImage&nbsp;srcImage,
int&nbsp;flags)
throws java.lang.Exception</PRE>
<DL>
<DD>Compress the uncompressed source image stored in <code>srcImage</code>
and return a buffer containing a JPEG image.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>srcImage</CODE> - a <code>BufferedImage</code> instance containing RGB or
grayscale pixels to be compressed<DD><CODE>flags</CODE> - the bitwise OR of one or more of
<A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_BOTTOMUP"><CODE>TJ.FLAG_*</CODE></A>
<DT><B>Returns:</B><DD>a buffer containing a JPEG image. The length of this buffer will
not be equal to the size of the JPEG image. Use <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#getCompressedSize()"><CODE>getCompressedSize()</CODE></A> to obtain the size of the JPEG image.
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="encodeYUV(byte[], int)"><!-- --></A><H3>
encodeYUV</H3>
<PRE>
public void <B>encodeYUV</B>(byte[]&nbsp;dstBuf,
int&nbsp;flags)
throws java.lang.Exception</PRE>
<DL>
<DD>Encode the uncompressed source image associated with this compressor
instance and output a YUV planar image to the given destination buffer.
This method uses the accelerated color conversion routines in
TurboJPEG's underlying codec to produce a planar YUV image that is
suitable for direct video display. Specifically, if the chrominance
components are subsampled along the horizontal dimension, then the width
of the luminance plane is padded to the nearest multiple of 2 in the
output image (same goes for the height of the luminance plane, if the
chrominance components are subsampled along the vertical dimension.)
Also, each line of each plane in the output image is padded to 4 bytes.
Although this will work with any subsampling option, it is really only
useful in combination with <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#SAMP_420"><CODE>TJ.SAMP_420</CODE></A>, which produces an image
compatible with the I420 (AKA "YUV420P") format.
<p>
NOTE: Technically, the JPEG format uses the YCbCr colorspace, but per the
convention of the digital video community, the TurboJPEG API uses "YUV" to
refer to an image format consisting of Y, Cb, and Cr image planes.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>dstBuf</CODE> - buffer that will receive the YUV planar image. Use
<A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#bufSizeYUV(int, int, int)"><CODE>TJ.bufSizeYUV(int, int, int)</CODE></A> to determine the appropriate size for this buffer
based on the image width, height, and level of chrominance subsampling.<DD><CODE>flags</CODE> - the bitwise OR of one or more of
<A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_BOTTOMUP"><CODE>TJ.FLAG_*</CODE></A>
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="encodeYUV(int)"><!-- --></A><H3>
encodeYUV</H3>
<PRE>
public byte[] <B>encodeYUV</B>(int&nbsp;flags)
throws java.lang.Exception</PRE>
<DL>
<DD>Encode the uncompressed source image associated with this compressor
instance and return a buffer containing a YUV planar image. See
<A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(byte[], int)"><CODE>encodeYUV(byte[], int)</CODE></A> for more detail.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>flags</CODE> - the bitwise OR of one or more of
<A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_BOTTOMUP"><CODE>TJ.FLAG_*</CODE></A>
<DT><B>Returns:</B><DD>a buffer containing a YUV planar image
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="encodeYUV(java.awt.image.BufferedImage, byte[], int)"><!-- --></A><H3>
encodeYUV</H3>
<PRE>
public void <B>encodeYUV</B>(java.awt.image.BufferedImage&nbsp;srcImage,
byte[]&nbsp;dstBuf,
int&nbsp;flags)
throws java.lang.Exception</PRE>
<DL>
<DD>Encode the uncompressed source image stored in <code>srcImage</code>
and output a YUV planar image to the given destination buffer. See
<A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(byte[], int)"><CODE>encodeYUV(byte[], int)</CODE></A> for more detail.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>srcImage</CODE> - a <code>BufferedImage</code> instance containing RGB or
grayscale pixels to be encoded<DD><CODE>dstBuf</CODE> - buffer that will receive the YUV planar image. Use
<A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#bufSizeYUV(int, int, int)"><CODE>TJ.bufSizeYUV(int, int, int)</CODE></A> to determine the appropriate size for this buffer
based on the image width, height, and level of chrominance subsampling.<DD><CODE>flags</CODE> - the bitwise OR of one or more of
<A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_BOTTOMUP"><CODE>TJ.FLAG_*</CODE></A>
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="encodeYUV(java.awt.image.BufferedImage, int)"><!-- --></A><H3>
encodeYUV</H3>
<PRE>
public byte[] <B>encodeYUV</B>(java.awt.image.BufferedImage&nbsp;srcImage,
int&nbsp;flags)
throws java.lang.Exception</PRE>
<DL>
<DD>Encode the uncompressed source image stored in <code>srcImage</code>
and return a buffer containing a YUV planar image. See
<A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(byte[], int)"><CODE>encodeYUV(byte[], int)</CODE></A> for more detail.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>srcImage</CODE> - a <code>BufferedImage</code> instance containing RGB or
grayscale pixels to be encoded<DD><CODE>flags</CODE> - the bitwise OR of one or more of
<A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_BOTTOMUP"><CODE>TJ.FLAG_*</CODE></A>
<DT><B>Returns:</B><DD>a buffer containing a YUV planar image
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="getCompressedSize()"><!-- --></A><H3>
getCompressedSize</H3>
<PRE>
public int <B>getCompressedSize</B>()</PRE>
<DL>
<DD>Returns the size of the image (in bytes) generated by the most recent
compress/encode operation.
<P>
<DD><DL>
<DT><B>Returns:</B><DD>the size of the image (in bytes) generated by the most recent
compress/encode operation</DL>
</DD>
</DL>
<HR>
<A NAME="close()"><!-- --></A><H3>
close</H3>
<PRE>
public void <B>close</B>()
throws java.lang.Exception</PRE>
<DL>
<DD>Free the native structures associated with this compressor instance.
<P>
<DD><DL>
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="finalize()"><!-- --></A><H3>
finalize</H3>
<PRE>
protected void <B>finalize</B>()
throws java.lang.Throwable</PRE>
<DL>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE>finalize</CODE> in class <CODE>java.lang.Object</CODE></DL>
</DD>
<DD><DL>
<DT><B>Throws:</B>
<DD><CODE>java.lang.Throwable</CODE></DL>
</DD>
</DL>
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libs/libjpeg-turbo/java/doc/org/libjpegturbo/turbojpeg/TJCustomFilter.html
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TJCustomFilter
</TITLE>
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org.libjpegturbo.turbojpeg</FONT>
<BR>
Interface TJCustomFilter</H2>
<HR>
<DL>
<DT><PRE>public interface <B>TJCustomFilter</B></DL>
</PRE>
<P>
Custom filter callback interface
<P>
<P>
<HR>
<P>
<!-- ========== METHOD SUMMARY =========== -->
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCustomFilter.html#customFilter(java.nio.ShortBuffer, java.awt.Rectangle, java.awt.Rectangle, int, int, org.libjpegturbo.turbojpeg.TJTransform)">customFilter</A></B>(java.nio.ShortBuffer&nbsp;coeffBuffer,
java.awt.Rectangle&nbsp;bufferRegion,
java.awt.Rectangle&nbsp;planeRegion,
int&nbsp;componentID,
int&nbsp;transformID,
<A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>&nbsp;transform)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;A callback function that can be used to modify the DCT coefficients after
they are losslessly transformed but before they are transcoded to a new
JPEG image.</TD>
</TR>
</TABLE>
&nbsp;
<P>
<!-- ============ METHOD DETAIL ========== -->
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<A NAME="customFilter(java.nio.ShortBuffer, java.awt.Rectangle, java.awt.Rectangle, int, int, org.libjpegturbo.turbojpeg.TJTransform)"><!-- --></A><H3>
customFilter</H3>
<PRE>
void <B>customFilter</B>(java.nio.ShortBuffer&nbsp;coeffBuffer,
java.awt.Rectangle&nbsp;bufferRegion,
java.awt.Rectangle&nbsp;planeRegion,
int&nbsp;componentID,
int&nbsp;transformID,
<A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>&nbsp;transform)
throws java.lang.Exception</PRE>
<DL>
<DD>A callback function that can be used to modify the DCT coefficients after
they are losslessly transformed but before they are transcoded to a new
JPEG image. This allows for custom filters or other transformations to be
applied in the frequency domain.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>coeffBuffer</CODE> - a buffer containing transformed DCT coefficients.
(NOTE: this buffer is not guaranteed to be valid once the callback
returns, so applications wishing to hand off the DCT coefficients to
another function or library should make a copy of them within the body of
the callback.)<DD><CODE>bufferRegion</CODE> - rectangle containing the width and height of
<code>coeffBuffer</code> as well as its offset relative to the component
plane. TurboJPEG implementations may choose to split each component plane
into multiple DCT coefficient buffers and call the callback function once
for each buffer.<DD><CODE>planeRegion</CODE> - rectangle containing the width and height of the
component plane to which <code>coeffBuffer</code> belongs<DD><CODE>componentID</CODE> - ID number of the component plane to which
<code>coeffBuffer</code> belongs (Y, Cb, and Cr have, respectively, ID's
of 0, 1, and 2 in typical JPEG images.)<DD><CODE>transformID</CODE> - ID number of the transformed image to which
<code>coeffBuffer</code> belongs. This is the same as the index of the
transform in the <code>transforms</code> array that was passed to <A HREF="../../../org/libjpegturbo/turbojpeg/TJTransformer.html#transform(byte[][], org.libjpegturbo.turbojpeg.TJTransform[], int)"><CODE>TJTransformer.transform()</CODE></A>.<DD><CODE>transform</CODE> - a <A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJTransform</CODE></A> instance that specifies the
parameters and/or cropping region for this transform
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
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org.libjpegturbo.turbojpeg</FONT>
<BR>
Class TJScalingFactor</H2>
<PRE>
java.lang.Object
<IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>org.libjpegturbo.turbojpeg.TJScalingFactor</B>
</PRE>
<HR>
<DL>
<DT><PRE>public class <B>TJScalingFactor</B><DT>extends java.lang.Object</DL>
</PRE>
<P>
Fractional scaling factor
<P>
<P>
<HR>
<P>
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJScalingFactor.html#TJScalingFactor(int, int)">TJScalingFactor</A></B>(int&nbsp;num,
int&nbsp;denom)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
</TABLE>
&nbsp;
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<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJScalingFactor.html#equals(org.libjpegturbo.turbojpeg.TJScalingFactor)">equals</A></B>(<A HREF="../../../org/libjpegturbo/turbojpeg/TJScalingFactor.html" title="class in org.libjpegturbo.turbojpeg">TJScalingFactor</A>&nbsp;other)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns true or false, depending on whether this instance and
<code>other</code> have the same numerator and denominator.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJScalingFactor.html#getDenom()">getDenom</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns denominator</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJScalingFactor.html#getNum()">getNum</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns numerator</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJScalingFactor.html#getScaled(int)">getScaled</A></B>(int&nbsp;dimension)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the scaled value of <code>dimension</code>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJScalingFactor.html#isOne()">isOne</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns true or false, depending on whether this instance is equal to
1/1.</TD>
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<TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
</TR>
</TABLE>
&nbsp;
<P>
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<A NAME="TJScalingFactor(int, int)"><!-- --></A><H3>
TJScalingFactor</H3>
<PRE>
public <B>TJScalingFactor</B>(int&nbsp;num,
int&nbsp;denom)
throws java.lang.Exception</PRE>
<DL>
<DL>
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DL>
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</TABLE>
<A NAME="getNum()"><!-- --></A><H3>
getNum</H3>
<PRE>
public int <B>getNum</B>()</PRE>
<DL>
<DD>Returns numerator
<P>
<DD><DL>
<DT><B>Returns:</B><DD>numerator</DL>
</DD>
</DL>
<HR>
<A NAME="getDenom()"><!-- --></A><H3>
getDenom</H3>
<PRE>
public int <B>getDenom</B>()</PRE>
<DL>
<DD>Returns denominator
<P>
<DD><DL>
<DT><B>Returns:</B><DD>denominator</DL>
</DD>
</DL>
<HR>
<A NAME="getScaled(int)"><!-- --></A><H3>
getScaled</H3>
<PRE>
public int <B>getScaled</B>(int&nbsp;dimension)</PRE>
<DL>
<DD>Returns the scaled value of <code>dimension</code>. This function
performs the integer equivalent of
<code>ceil(dimension * scalingFactor)</code>.
<P>
<DD><DL>
<DT><B>Returns:</B><DD>the scaled value of <code>dimension</code></DL>
</DD>
</DL>
<HR>
<A NAME="equals(org.libjpegturbo.turbojpeg.TJScalingFactor)"><!-- --></A><H3>
equals</H3>
<PRE>
public boolean <B>equals</B>(<A HREF="../../../org/libjpegturbo/turbojpeg/TJScalingFactor.html" title="class in org.libjpegturbo.turbojpeg">TJScalingFactor</A>&nbsp;other)</PRE>
<DL>
<DD>Returns true or false, depending on whether this instance and
<code>other</code> have the same numerator and denominator.
<P>
<DD><DL>
<DT><B>Returns:</B><DD>true or false, depending on whether this instance and
<code>other</code> have the same numerator and denominator</DL>
</DD>
</DL>
<HR>
<A NAME="isOne()"><!-- --></A><H3>
isOne</H3>
<PRE>
public boolean <B>isOne</B>()</PRE>
<DL>
<DD>Returns true or false, depending on whether this instance is equal to
1/1.
<P>
<DD><DL>
<DT><B>Returns:</B><DD>true or false, depending on whether this instance is equal to
1/1</DL>
</DD>
</DL>
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libs/libjpeg-turbo/java/doc/org/libjpegturbo/turbojpeg/TJTransform.html
+767
View File
@@ -0,0 +1,767 @@
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<!--NewPage-->
<HTML>
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<TITLE>
TJTransform
</TITLE>
<LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style">
<SCRIPT type="text/javascript">
function windowTitle()
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if (location.href.indexOf('is-external=true') == -1) {
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org.libjpegturbo.turbojpeg</FONT>
<BR>
Class TJTransform</H2>
<PRE>
java.lang.Object
<IMG SRC="../../../resources/inherit.gif" ALT="extended by ">java.awt.geom.RectangularShape
<IMG SRC="../../../resources/inherit.gif" ALT="extended by ">java.awt.geom.Rectangle2D
<IMG SRC="../../../resources/inherit.gif" ALT="extended by ">java.awt.Rectangle
<IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>org.libjpegturbo.turbojpeg.TJTransform</B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD>java.awt.Shape, java.io.Serializable, java.lang.Cloneable</DD>
</DL>
<HR>
<DL>
<DT><PRE>public class <B>TJTransform</B><DT>extends java.awt.Rectangle</DL>
</PRE>
<P>
Lossless transform parameters
<P>
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../serialized-form.html#org.libjpegturbo.turbojpeg.TJTransform">Serialized Form</A></DL>
<HR>
<P>
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<TH ALIGN="left"><B>Nested classes/interfaces inherited from class java.awt.geom.Rectangle2D</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>java.awt.geom.Rectangle2D.Double, java.awt.geom.Rectangle2D.Float</CODE></TD>
</TR>
</TABLE>
&nbsp;
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<B>Field Summary</B></FONT></TH>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../org/libjpegturbo/turbojpeg/TJCustomFilter.html" title="interface in org.libjpegturbo.turbojpeg">TJCustomFilter</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#cf">cf</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Custom filter instance</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#NUMOP">NUMOP</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The number of lossless transform operations</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#op">op</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Transform operation (one of <code>OP_*</code>)</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OP_HFLIP">OP_HFLIP</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Flip (mirror) image horizontally.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OP_NONE">OP_NONE</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Do not transform the position of the image pixels.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OP_ROT180">OP_ROT180</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Rotate image 180 degrees.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OP_ROT270">OP_ROT270</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Rotate image counter-clockwise by 90 degrees.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OP_ROT90">OP_ROT90</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Rotate image clockwise by 90 degrees.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OP_TRANSPOSE">OP_TRANSPOSE</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Transpose image (flip/mirror along upper left to lower right axis).</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OP_TRANSVERSE">OP_TRANSVERSE</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Transverse transpose image (flip/mirror along upper right to lower left
axis).</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OP_VFLIP">OP_VFLIP</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Flip (mirror) image vertically.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OPT_CROP">OPT_CROP</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This option will enable lossless cropping.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OPT_GRAY">OPT_GRAY</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This option will discard the color data in the input image and produce
a grayscale output image.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OPT_NOOUTPUT">OPT_NOOUTPUT</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This option will prevent <A HREF="../../../org/libjpegturbo/turbojpeg/TJTransformer.html#transform(byte[][], org.libjpegturbo.turbojpeg.TJTransform[], int)"><CODE>TJTransformer.transform()</CODE></A> from outputting a JPEG image for this
particular transform.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OPT_PERFECT">OPT_PERFECT</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This option will cause <A HREF="../../../org/libjpegturbo/turbojpeg/TJTransformer.html#transform(byte[][], org.libjpegturbo.turbojpeg.TJTransform[], int)"><CODE>TJTransformer.transform()</CODE></A> to throw an exception if the transform is not
perfect.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OPT_TRIM">OPT_TRIM</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This option will discard any partial MCU blocks that cannot be
transformed.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#options">options</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Transform options (bitwise OR of one or more of <code>OPT_*</code>)</TD>
</TR>
</TABLE>
&nbsp;<A NAME="fields_inherited_from_class_java.awt.Rectangle"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Fields inherited from class java.awt.Rectangle</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>height, width, x, y</CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="fields_inherited_from_class_java.awt.geom.Rectangle2D"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Fields inherited from class java.awt.geom.Rectangle2D</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>OUT_BOTTOM, OUT_LEFT, OUT_RIGHT, OUT_TOP</CODE></TD>
</TR>
</TABLE>
&nbsp;
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
<A NAME="constructor_summary"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
<B>Constructor Summary</B></FONT></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#TJTransform()">TJTransform</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a new lossless transform instance.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#TJTransform(int, int, int, int, int, int, org.libjpegturbo.turbojpeg.TJCustomFilter)">TJTransform</A></B>(int&nbsp;x,
int&nbsp;y,
int&nbsp;w,
int&nbsp;h,
int&nbsp;op,
int&nbsp;options,
<A HREF="../../../org/libjpegturbo/turbojpeg/TJCustomFilter.html" title="interface in org.libjpegturbo.turbojpeg">TJCustomFilter</A>&nbsp;cf)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a new lossless transform instance with the given parameters.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#TJTransform(java.awt.Rectangle, int, int, org.libjpegturbo.turbojpeg.TJCustomFilter)">TJTransform</A></B>(java.awt.Rectangle&nbsp;r,
int&nbsp;op,
int&nbsp;options,
<A HREF="../../../org/libjpegturbo/turbojpeg/TJCustomFilter.html" title="interface in org.libjpegturbo.turbojpeg">TJCustomFilter</A>&nbsp;cf)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a new lossless transform instance with the given parameters.</TD>
</TR>
</TABLE>
&nbsp;
<!-- ========== METHOD SUMMARY =========== -->
<A NAME="method_summary"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
<B>Method Summary</B></FONT></TH>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_java.awt.Rectangle"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class java.awt.Rectangle</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>add, add, add, contains, contains, contains, contains, createIntersection, createUnion, equals, getBounds, getBounds2D, getHeight, getLocation, getSize, getWidth, getX, getY, grow, inside, intersection, intersects, isEmpty, move, outcode, reshape, resize, setBounds, setBounds, setLocation, setLocation, setRect, setSize, setSize, toString, translate, union</CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_java.awt.geom.Rectangle2D"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class java.awt.geom.Rectangle2D</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>add, add, add, contains, contains, getPathIterator, getPathIterator, hashCode, intersect, intersects, intersectsLine, intersectsLine, outcode, setFrame, setRect, union</CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_java.awt.geom.RectangularShape"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class java.awt.geom.RectangularShape</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>clone, contains, contains, getCenterX, getCenterY, getFrame, getMaxX, getMaxY, getMinX, getMinY, intersects, setFrame, setFrame, setFrameFromCenter, setFrameFromCenter, setFrameFromDiagonal, setFrameFromDiagonal</CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>finalize, getClass, notify, notifyAll, wait, wait, wait</CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_java.awt.Shape"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from interface java.awt.Shape</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>contains, contains, contains, contains, getPathIterator, getPathIterator, intersects, intersects</CODE></TD>
</TR>
</TABLE>
&nbsp;
<P>
<!-- ============ FIELD DETAIL =========== -->
<A NAME="field_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Field Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="NUMOP"><!-- --></A><H3>
NUMOP</H3>
<PRE>
public static final int <B>NUMOP</B></PRE>
<DL>
<DD>The number of lossless transform operations
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.NUMOP">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="OP_NONE"><!-- --></A><H3>
OP_NONE</H3>
<PRE>
public static final int <B>OP_NONE</B></PRE>
<DL>
<DD>Do not transform the position of the image pixels.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OP_NONE">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="OP_HFLIP"><!-- --></A><H3>
OP_HFLIP</H3>
<PRE>
public static final int <B>OP_HFLIP</B></PRE>
<DL>
<DD>Flip (mirror) image horizontally. This transform is imperfect if there
are any partial MCU blocks on the right edge.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OPT_PERFECT"><CODE>OPT_PERFECT</CODE></A>,
<A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OP_HFLIP">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="OP_VFLIP"><!-- --></A><H3>
OP_VFLIP</H3>
<PRE>
public static final int <B>OP_VFLIP</B></PRE>
<DL>
<DD>Flip (mirror) image vertically. This transform is imperfect if there are
any partial MCU blocks on the bottom edge.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OPT_PERFECT"><CODE>OPT_PERFECT</CODE></A>,
<A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OP_VFLIP">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="OP_TRANSPOSE"><!-- --></A><H3>
OP_TRANSPOSE</H3>
<PRE>
public static final int <B>OP_TRANSPOSE</B></PRE>
<DL>
<DD>Transpose image (flip/mirror along upper left to lower right axis). This
transform is always perfect.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OPT_PERFECT"><CODE>OPT_PERFECT</CODE></A>,
<A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OP_TRANSPOSE">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="OP_TRANSVERSE"><!-- --></A><H3>
OP_TRANSVERSE</H3>
<PRE>
public static final int <B>OP_TRANSVERSE</B></PRE>
<DL>
<DD>Transverse transpose image (flip/mirror along upper right to lower left
axis). This transform is imperfect if there are any partial MCU blocks in
the image.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OPT_PERFECT"><CODE>OPT_PERFECT</CODE></A>,
<A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OP_TRANSVERSE">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="OP_ROT90"><!-- --></A><H3>
OP_ROT90</H3>
<PRE>
public static final int <B>OP_ROT90</B></PRE>
<DL>
<DD>Rotate image clockwise by 90 degrees. This transform is imperfect if
there are any partial MCU blocks on the bottom edge.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OPT_PERFECT"><CODE>OPT_PERFECT</CODE></A>,
<A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OP_ROT90">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="OP_ROT180"><!-- --></A><H3>
OP_ROT180</H3>
<PRE>
public static final int <B>OP_ROT180</B></PRE>
<DL>
<DD>Rotate image 180 degrees. This transform is imperfect if there are any
partial MCU blocks in the image.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OPT_PERFECT"><CODE>OPT_PERFECT</CODE></A>,
<A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OP_ROT180">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="OP_ROT270"><!-- --></A><H3>
OP_ROT270</H3>
<PRE>
public static final int <B>OP_ROT270</B></PRE>
<DL>
<DD>Rotate image counter-clockwise by 90 degrees. This transform is imperfect
if there are any partial MCU blocks on the right edge.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OPT_PERFECT"><CODE>OPT_PERFECT</CODE></A>,
<A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OP_ROT270">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="OPT_PERFECT"><!-- --></A><H3>
OPT_PERFECT</H3>
<PRE>
public static final int <B>OPT_PERFECT</B></PRE>
<DL>
<DD>This option will cause <A HREF="../../../org/libjpegturbo/turbojpeg/TJTransformer.html#transform(byte[][], org.libjpegturbo.turbojpeg.TJTransform[], int)"><CODE>TJTransformer.transform()</CODE></A> to throw an exception if the transform is not
perfect. Lossless transforms operate on MCU blocks, whose size depends on
the level of chrominance subsampling used. If the image's width or height
is not evenly divisible by the MCU block size (see <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#getMCUWidth(int)"><CODE>TJ.getMCUWidth(int)</CODE></A>
and <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#getMCUHeight(int)"><CODE>TJ.getMCUHeight(int)</CODE></A>), then there will be partial MCU blocks on the
right and/or bottom edges. It is not possible to move these partial MCU
blocks to the top or left of the image, so any transform that would
require that is "imperfect." If this option is not specified, then any
partial MCU blocks that cannot be transformed will be left in place, which
will create odd-looking strips on the right or bottom edge of the image.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OPT_PERFECT">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="OPT_TRIM"><!-- --></A><H3>
OPT_TRIM</H3>
<PRE>
public static final int <B>OPT_TRIM</B></PRE>
<DL>
<DD>This option will discard any partial MCU blocks that cannot be
transformed.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OPT_TRIM">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="OPT_CROP"><!-- --></A><H3>
OPT_CROP</H3>
<PRE>
public static final int <B>OPT_CROP</B></PRE>
<DL>
<DD>This option will enable lossless cropping.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OPT_CROP">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="OPT_GRAY"><!-- --></A><H3>
OPT_GRAY</H3>
<PRE>
public static final int <B>OPT_GRAY</B></PRE>
<DL>
<DD>This option will discard the color data in the input image and produce
a grayscale output image.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OPT_GRAY">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="OPT_NOOUTPUT"><!-- --></A><H3>
OPT_NOOUTPUT</H3>
<PRE>
public static final int <B>OPT_NOOUTPUT</B></PRE>
<DL>
<DD>This option will prevent <A HREF="../../../org/libjpegturbo/turbojpeg/TJTransformer.html#transform(byte[][], org.libjpegturbo.turbojpeg.TJTransform[], int)"><CODE>TJTransformer.transform()</CODE></A> from outputting a JPEG image for this
particular transform. This can be used in conjunction with a custom
filter to capture the transformed DCT coefficients without transcoding
them.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OPT_NOOUTPUT">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="op"><!-- --></A><H3>
op</H3>
<PRE>
public int <B>op</B></PRE>
<DL>
<DD>Transform operation (one of <code>OP_*</code>)
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="options"><!-- --></A><H3>
options</H3>
<PRE>
public int <B>options</B></PRE>
<DL>
<DD>Transform options (bitwise OR of one or more of <code>OPT_*</code>)
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="cf"><!-- --></A><H3>
cf</H3>
<PRE>
public <A HREF="../../../org/libjpegturbo/turbojpeg/TJCustomFilter.html" title="interface in org.libjpegturbo.turbojpeg">TJCustomFilter</A> <B>cf</B></PRE>
<DL>
<DD>Custom filter instance
<P>
<DL>
</DL>
</DL>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<A NAME="constructor_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Constructor Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="TJTransform()"><!-- --></A><H3>
TJTransform</H3>
<PRE>
public <B>TJTransform</B>()</PRE>
<DL>
<DD>Create a new lossless transform instance.
<P>
</DL>
<HR>
<A NAME="TJTransform(int, int, int, int, int, int, org.libjpegturbo.turbojpeg.TJCustomFilter)"><!-- --></A><H3>
TJTransform</H3>
<PRE>
public <B>TJTransform</B>(int&nbsp;x,
int&nbsp;y,
int&nbsp;w,
int&nbsp;h,
int&nbsp;op,
int&nbsp;options,
<A HREF="../../../org/libjpegturbo/turbojpeg/TJCustomFilter.html" title="interface in org.libjpegturbo.turbojpeg">TJCustomFilter</A>&nbsp;cf)
throws java.lang.Exception</PRE>
<DL>
<DD>Create a new lossless transform instance with the given parameters.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>x</CODE> - the left boundary of the cropping region. This must be evenly
divisible by the MCU block width (see <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#getMCUWidth(int)"><CODE>TJ.getMCUWidth(int)</CODE></A>)<DD><CODE>y</CODE> - the upper boundary of the cropping region. This must be evenly
divisible by the MCU block height (see <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#getMCUHeight(int)"><CODE>TJ.getMCUHeight(int)</CODE></A>)<DD><CODE>w</CODE> - the width of the cropping region. Setting this to 0 is the
equivalent of setting it to (width of the source JPEG image -
<code>x</code>).<DD><CODE>h</CODE> - the height of the cropping region. Setting this to 0 is the
equivalent of setting it to (height of the source JPEG image -
<code>y</code>).<DD><CODE>op</CODE> - one of the transform operations (<code>OP_*</code>)<DD><CODE>options</CODE> - the bitwise OR of one or more of the transform options
(<code>OPT_*</code>)<DD><CODE>cf</CODE> - an instance of an object that implements the <A HREF="../../../org/libjpegturbo/turbojpeg/TJCustomFilter.html" title="interface in org.libjpegturbo.turbojpeg"><CODE>TJCustomFilter</CODE></A> interface, or null if no custom filter is needed
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DL>
<HR>
<A NAME="TJTransform(java.awt.Rectangle, int, int, org.libjpegturbo.turbojpeg.TJCustomFilter)"><!-- --></A><H3>
TJTransform</H3>
<PRE>
public <B>TJTransform</B>(java.awt.Rectangle&nbsp;r,
int&nbsp;op,
int&nbsp;options,
<A HREF="../../../org/libjpegturbo/turbojpeg/TJCustomFilter.html" title="interface in org.libjpegturbo.turbojpeg">TJCustomFilter</A>&nbsp;cf)
throws java.lang.Exception</PRE>
<DL>
<DD>Create a new lossless transform instance with the given parameters.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>r</CODE> - a <code>Rectangle</code> instance that specifies the cropping
region. See <A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#TJTransform(int, int, int, int, int, int, org.libjpegturbo.turbojpeg.TJCustomFilter)"><CODE>TJTransform(int, int, int, int, int, int, TJCustomFilter)</CODE></A> for more
detail.<DD><CODE>op</CODE> - one of the transform operations (<code>OP_*</code>)<DD><CODE>options</CODE> - the bitwise OR of one or more of the transform options
(<code>OPT_*</code>)<DD><CODE>cf</CODE> - an instance of an object that implements the <A HREF="../../../org/libjpegturbo/turbojpeg/TJCustomFilter.html" title="interface in org.libjpegturbo.turbojpeg"><CODE>TJCustomFilter</CODE></A> interface, or null if no custom filter is needed
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DL>
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org.libjpegturbo.turbojpeg</FONT>
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Class TJTransformer</H2>
<PRE>
java.lang.Object
<IMG SRC="../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">org.libjpegturbo.turbojpeg.TJDecompressor</A>
<IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>org.libjpegturbo.turbojpeg.TJTransformer</B>
</PRE>
<HR>
<DL>
<DT><PRE>public class <B>TJTransformer</B><DT>extends <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A></DL>
</PRE>
<P>
TurboJPEG lossless transformer
<P>
<P>
<HR>
<P>
<!-- =========== FIELD SUMMARY =========== -->
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
<B>Field Summary</B></FONT></TH>
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</TABLE>
&nbsp;<A NAME="fields_inherited_from_class_org.libjpegturbo.turbojpeg.TJDecompressor"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Fields inherited from class org.libjpegturbo.turbojpeg.<A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#handle">handle</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#jpegBuf">jpegBuf</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#jpegBufSize">jpegBufSize</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#jpegHeight">jpegHeight</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#jpegSubsamp">jpegSubsamp</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#jpegWidth">jpegWidth</A></CODE></TD>
</TR>
</TABLE>
&nbsp;
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransformer.html#TJTransformer()">TJTransformer</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a TurboJPEG lossless transformer instance.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransformer.html#TJTransformer(byte[])">TJTransformer</A></B>(byte[]&nbsp;jpegImage)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a TurboJPEG lossless transformer instance and associate the JPEG
image stored in <code>jpegImage</code> with the newly created instance.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransformer.html#TJTransformer(byte[], int)">TJTransformer</A></B>(byte[]&nbsp;jpegImage,
int&nbsp;imageSize)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a TurboJPEG lossless transformer instance and associate the JPEG
image of length <code>imageSize</code> bytes stored in
<code>jpegImage</code> with the newly created instance.</TD>
</TR>
</TABLE>
&nbsp;
<!-- ========== METHOD SUMMARY =========== -->
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransformer.html#getTransformedSizes()">getTransformedSizes</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns an array containing the sizes of the transformed JPEG images
generated by the most recent transform operation.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransformer.html#transform(byte[][], org.libjpegturbo.turbojpeg.TJTransform[], int)">transform</A></B>(byte[][]&nbsp;dstBufs,
<A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>[]&nbsp;transforms,
int&nbsp;flags)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Losslessly transform the JPEG image associated with this transformer
instance into one or more JPEG images stored in the given destination
buffers.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransformer.html#transform(org.libjpegturbo.turbojpeg.TJTransform[], int)">transform</A></B>(<A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>[]&nbsp;transforms,
int&nbsp;flags)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Losslessly transform the JPEG image associated with this transformer
instance and return an array of <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJDecompressor</CODE></A> instances, each of
which has a transformed JPEG image associated with it.</TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_org.libjpegturbo.turbojpeg.TJDecompressor"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class org.libjpegturbo.turbojpeg.<A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#close()">close</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(java.awt.image.BufferedImage, int)">decompress</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(byte[], int, int, int, int, int)">decompress</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(byte[], int, int, int, int, int, int, int)">decompress</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(int[], int, int, int, int, int, int, int)">decompress</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(int, int, int, int)">decompress</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(int, int, int, int, int)">decompress</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompressToYUV(byte[], int)">decompressToYUV</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompressToYUV(int)">decompressToYUV</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#finalize()">finalize</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getHeight()">getHeight</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getJPEGBuf()">getJPEGBuf</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getJPEGSize()">getJPEGSize</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getScaledHeight(int, int)">getScaledHeight</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getScaledWidth(int, int)">getScaledWidth</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getSubsamp()">getSubsamp</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getWidth()">getWidth</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#setJPEGImage(byte[], int)">setJPEGImage</A></CODE></TD>
</TR>
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<TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
</TR>
</TABLE>
&nbsp;
<P>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
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<A NAME="TJTransformer()"><!-- --></A><H3>
TJTransformer</H3>
<PRE>
public <B>TJTransformer</B>()
throws java.lang.Exception</PRE>
<DL>
<DD>Create a TurboJPEG lossless transformer instance.
<P>
<DL>
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DL>
<HR>
<A NAME="TJTransformer(byte[])"><!-- --></A><H3>
TJTransformer</H3>
<PRE>
public <B>TJTransformer</B>(byte[]&nbsp;jpegImage)
throws java.lang.Exception</PRE>
<DL>
<DD>Create a TurboJPEG lossless transformer instance and associate the JPEG
image stored in <code>jpegImage</code> with the newly created instance.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>jpegImage</CODE> - JPEG image buffer (size of the JPEG image is assumed to
be the length of the array)
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DL>
<HR>
<A NAME="TJTransformer(byte[], int)"><!-- --></A><H3>
TJTransformer</H3>
<PRE>
public <B>TJTransformer</B>(byte[]&nbsp;jpegImage,
int&nbsp;imageSize)
throws java.lang.Exception</PRE>
<DL>
<DD>Create a TurboJPEG lossless transformer instance and associate the JPEG
image of length <code>imageSize</code> bytes stored in
<code>jpegImage</code> with the newly created instance.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>jpegImage</CODE> - JPEG image buffer<DD><CODE>imageSize</CODE> - size of the JPEG image (in bytes)
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DL>
<!-- ============ METHOD DETAIL ========== -->
<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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</TABLE>
<A NAME="transform(byte[][], org.libjpegturbo.turbojpeg.TJTransform[], int)"><!-- --></A><H3>
transform</H3>
<PRE>
public void <B>transform</B>(byte[][]&nbsp;dstBufs,
<A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>[]&nbsp;transforms,
int&nbsp;flags)
throws java.lang.Exception</PRE>
<DL>
<DD>Losslessly transform the JPEG image associated with this transformer
instance into one or more JPEG images stored in the given destination
buffers. Lossless transforms work by moving the raw coefficients from one
JPEG image structure to another without altering the values of the
coefficients. While this is typically faster than decompressing the
image, transforming it, and re-compressing it, lossless transforms are not
free. Each lossless transform requires reading and performing Huffman
decoding on all of the coefficients in the source image, regardless of the
size of the destination image. Thus, this method provides a means of
generating multiple transformed images from the same source or of applying
multiple transformations simultaneously, in order to eliminate the need to
read the source coefficients multiple times.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>dstBufs</CODE> - an array of image buffers. <code>dstbufs[i]</code> will
receive a JPEG image that has been transformed using the parameters in
<code>transforms[i]</code>. Use <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#bufSize(int, int, int)"><CODE>TJ.bufSize(int, int, int)</CODE></A> to determine the
maximum size for each buffer based on the transformed or cropped width and
height and the level of subsampling used in the source image.<DD><CODE>transforms</CODE> - an array of <A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJTransform</CODE></A> instances, each of
which specifies the transform parameters and/or cropping region for the
corresponding transformed output image<DD><CODE>flags</CODE> - the bitwise OR of one or more of
<A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_BOTTOMUP"><CODE>TJ.FLAG_*</CODE></A>
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="transform(org.libjpegturbo.turbojpeg.TJTransform[], int)"><!-- --></A><H3>
transform</H3>
<PRE>
public <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>[] <B>transform</B>(<A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>[]&nbsp;transforms,
int&nbsp;flags)
throws java.lang.Exception</PRE>
<DL>
<DD>Losslessly transform the JPEG image associated with this transformer
instance and return an array of <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJDecompressor</CODE></A> instances, each of
which has a transformed JPEG image associated with it.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>transforms</CODE> - an array of <A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJTransform</CODE></A> instances, each of
which specifies the transform parameters and/or cropping region for the
corresponding transformed output image<DD><CODE>flags</CODE> - the bitwise OR of one or more of
<A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#FLAG_BOTTOMUP"><CODE>TJ.FLAG_*</CODE></A>
<DT><B>Returns:</B><DD>an array of <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJDecompressor</CODE></A> instances, each of
which has a transformed JPEG image associated with it
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="getTransformedSizes()"><!-- --></A><H3>
getTransformedSizes</H3>
<PRE>
public int[] <B>getTransformedSizes</B>()
throws java.lang.Exception</PRE>
<DL>
<DD>Returns an array containing the sizes of the transformed JPEG images
generated by the most recent transform operation.
<P>
<DD><DL>
<DT><B>Returns:</B><DD>an array containing the sizes of the transformed JPEG images
generated by the most recent transform operation
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
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libs/libjpeg-turbo/java/doc/org/libjpegturbo/turbojpeg/package-frame.html
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org.libjpegturbo.turbojpeg
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Interfaces</FONT>&nbsp;
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Classes</FONT>&nbsp;
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<BR>
<A HREF="TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg" target="classFrame">TJDecompressor</A>
<BR>
<A HREF="TJScalingFactor.html" title="class in org.libjpegturbo.turbojpeg" target="classFrame">TJScalingFactor</A>
<BR>
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<BR>
<A HREF="TJTransformer.html" title="class in org.libjpegturbo.turbojpeg" target="classFrame">TJTransformer</A></FONT></TD>
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libs/libjpeg-turbo/java/doc/org/libjpegturbo/turbojpeg/package-summary.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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Package org.libjpegturbo.turbojpeg
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<B>Interface Summary</B></FONT></TH>
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<TD WIDTH="15%"><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCustomFilter.html" title="interface in org.libjpegturbo.turbojpeg">TJCustomFilter</A></B></TD>
<TD>Custom filter callback interface</TD>
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&nbsp;
<P>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<B>Class Summary</B></FONT></TH>
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<TD WIDTH="15%"><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A></B></TD>
<TD>TurboJPEG utility class (cannot be instantiated)</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg">TJCompressor</A></B></TD>
<TD>TurboJPEG compressor</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A></B></TD>
<TD>TurboJPEG decompressor</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJScalingFactor.html" title="class in org.libjpegturbo.turbojpeg">TJScalingFactor</A></B></TD>
<TD>Fractional scaling factor</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A></B></TD>
<TD>Lossless transform parameters</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransformer.html" title="class in org.libjpegturbo.turbojpeg">TJTransformer</A></B></TD>
<TD>TurboJPEG lossless transformer</TD>
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&nbsp;
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<DL>
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libs/libjpeg-turbo/java/doc/org/libjpegturbo/turbojpeg/package-tree.html
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org.libjpegturbo.turbojpeg Class Hierarchy
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Hierarchy For Package org.libjpegturbo.turbojpeg
</H2>
</CENTER>
<H2>
Class Hierarchy
</H2>
<UL>
<LI TYPE="circle">java.lang.Object<UL>
<LI TYPE="circle">java.awt.geom.RectangularShape (implements java.lang.Cloneable, java.awt.Shape)
<UL>
<LI TYPE="circle">java.awt.geom.Rectangle2D<UL>
<LI TYPE="circle">java.awt.Rectangle (implements java.io.Serializable, java.awt.Shape)
<UL>
<LI TYPE="circle">org.libjpegturbo.turbojpeg.<A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg"><B>TJTransform</B></A></UL>
</UL>
</UL>
<LI TYPE="circle">org.libjpegturbo.turbojpeg.<A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg"><B>TJ</B></A><LI TYPE="circle">org.libjpegturbo.turbojpeg.<A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg"><B>TJCompressor</B></A><LI TYPE="circle">org.libjpegturbo.turbojpeg.<A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg"><B>TJDecompressor</B></A><UL>
<LI TYPE="circle">org.libjpegturbo.turbojpeg.<A HREF="../../../org/libjpegturbo/turbojpeg/TJTransformer.html" title="class in org.libjpegturbo.turbojpeg"><B>TJTransformer</B></A></UL>
<LI TYPE="circle">org.libjpegturbo.turbojpeg.<A HREF="../../../org/libjpegturbo/turbojpeg/TJScalingFactor.html" title="class in org.libjpegturbo.turbojpeg"><B>TJScalingFactor</B></A></UL>
</UL>
<H2>
Interface Hierarchy
</H2>
<UL>
<LI TYPE="circle">org.libjpegturbo.turbojpeg.<A HREF="../../../org/libjpegturbo/turbojpeg/TJCustomFilter.html" title="interface in org.libjpegturbo.turbojpeg"><B>TJCustomFilter</B></A></UL>
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libs/libjpeg-turbo/java/doc/overview-tree.html
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Hierarchy For All Packages</H2>
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<DL>
<DT><B>Package Hierarchies:</B><DD><A HREF="org/libjpegturbo/turbojpeg/package-tree.html">org.libjpegturbo.turbojpeg</A></DL>
<HR>
<H2>
Class Hierarchy
</H2>
<UL>
<LI TYPE="circle">java.lang.Object<UL>
<LI TYPE="circle">java.awt.geom.RectangularShape (implements java.lang.Cloneable, java.awt.Shape)
<UL>
<LI TYPE="circle">java.awt.geom.Rectangle2D<UL>
<LI TYPE="circle">java.awt.Rectangle (implements java.io.Serializable, java.awt.Shape)
<UL>
<LI TYPE="circle">org.libjpegturbo.turbojpeg.<A HREF="org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg"><B>TJTransform</B></A></UL>
</UL>
</UL>
<LI TYPE="circle">org.libjpegturbo.turbojpeg.<A HREF="org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg"><B>TJ</B></A><LI TYPE="circle">org.libjpegturbo.turbojpeg.<A HREF="org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg"><B>TJCompressor</B></A><LI TYPE="circle">org.libjpegturbo.turbojpeg.<A HREF="org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg"><B>TJDecompressor</B></A><UL>
<LI TYPE="circle">org.libjpegturbo.turbojpeg.<A HREF="org/libjpegturbo/turbojpeg/TJTransformer.html" title="class in org.libjpegturbo.turbojpeg"><B>TJTransformer</B></A></UL>
<LI TYPE="circle">org.libjpegturbo.turbojpeg.<A HREF="org/libjpegturbo/turbojpeg/TJScalingFactor.html" title="class in org.libjpegturbo.turbojpeg"><B>TJScalingFactor</B></A></UL>
</UL>
<H2>
Interface Hierarchy
</H2>
<UL>
<LI TYPE="circle">org.libjpegturbo.turbojpeg.<A HREF="org/libjpegturbo/turbojpeg/TJCustomFilter.html" title="interface in org.libjpegturbo.turbojpeg"><B>TJCustomFilter</B></A></UL>
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libs/libjpeg-turbo/java/doc/package-list
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org.libjpegturbo.turbojpeg
libs/libjpeg-turbo/java/doc/serialized-form.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<!--NewPage-->
<HTML>
<HEAD>
<TITLE>
Serialized Form
</TITLE>
<LINK REL ="stylesheet" TYPE="text/css" HREF="stylesheet.css" TITLE="Style">
<SCRIPT type="text/javascript">
function windowTitle()
{
if (location.href.indexOf('is-external=true') == -1) {
parent.document.title="Serialized Form";
}
}
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Serialized Form</H1>
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<B>Package</B> <B>org.libjpegturbo.turbojpeg</B></FONT></TH>
</TR>
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<P>
<A NAME="org.libjpegturbo.turbojpeg.TJTransform"><!-- --></A>
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<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
<B>Class <A HREF="org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">org.libjpegturbo.turbojpeg.TJTransform</A> extends java.awt.Rectangle implements Serializable</B></FONT></TH>
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</TABLE>
<P>
<B>serialVersionUID:&nbsp;</B>-127367705761430371L
<P>
<A NAME="serializedForm"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Serialized Fields</B></FONT></TH>
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<H3>
op</H3>
<PRE>
int <B>op</B></PRE>
<DL>
<DD>Transform operation (one of <code>OP_*</code>)
<P>
<DL>
</DL>
</DL>
<HR>
<H3>
options</H3>
<PRE>
int <B>options</B></PRE>
<DL>
<DD>Transform options (bitwise OR of one or more of <code>OPT_*</code>)
<P>
<DL>
</DL>
</DL>
<HR>
<H3>
cf</H3>
<PRE>
<A HREF="org/libjpegturbo/turbojpeg/TJCustomFilter.html" title="interface in org.libjpegturbo.turbojpeg">TJCustomFilter</A> <B>cf</B></PRE>
<DL>
<DD>Custom filter instance
<P>
<DL>
</DL>
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libs/libjpeg-turbo/java/doc/stylesheet.css
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/* Javadoc style sheet */
/* Define colors, fonts and other style attributes here to override the defaults */
/* Page background color */
body { background-color: #FFFFFF; color:#000000 }
/* Headings */
h1 { font-size: 145% }
/* Table colors */
.TableHeadingColor { background: #CCCCFF; color:#000000 } /* Dark mauve */
.TableSubHeadingColor { background: #EEEEFF; color:#000000 } /* Light mauve */
.TableRowColor { background: #FFFFFF; color:#000000 } /* White */
/* Font used in left-hand frame lists */
.FrameTitleFont { font-size: 100%; font-family: Helvetica, Arial, sans-serif; color:#000000 }
.FrameHeadingFont { font-size: 90%; font-family: Helvetica, Arial, sans-serif; color:#000000 }
.FrameItemFont { font-size: 90%; font-family: Helvetica, Arial, sans-serif; color:#000000 }
/* Navigation bar fonts and colors */
.NavBarCell1 { background-color:#EEEEFF; color:#000000} /* Light mauve */
.NavBarCell1Rev { background-color:#00008B; color:#FFFFFF} /* Dark Blue */
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libs/libjpeg-turbo/java/org/libjpegturbo/turbojpeg/TJ.java
+370
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/*
* Copyright (C)2011-2013 D. R. Commander. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the libjpeg-turbo Project nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package org.libjpegturbo.turbojpeg;
/**
* TurboJPEG utility class (cannot be instantiated)
*/
public final class TJ {
/**
* The number of chrominance subsampling options
*/
public static final int NUMSAMP = 5;
/**
* 4:4:4 chrominance subsampling (no chrominance subsampling). The JPEG
* or YUV image will contain one chrominance component for every pixel in the
* source image.
*/
public static final int SAMP_444 = 0;
/**
* 4:2:2 chrominance subsampling. The JPEG or YUV image will contain one
* chrominance component for every 2x1 block of pixels in the source image.
*/
public static final int SAMP_422 = 1;
/**
* 4:2:0 chrominance subsampling. The JPEG or YUV image will contain one
* chrominance component for every 2x2 block of pixels in the source image.
*/
public static final int SAMP_420 = 2;
/**
* Grayscale. The JPEG or YUV image will contain no chrominance components.
*/
public static final int SAMP_GRAY = 3;
/**
* 4:4:0 chrominance subsampling. The JPEG or YUV image will contain one
* chrominance component for every 1x2 block of pixels in the source image.
* Note that 4:4:0 subsampling is not fully accelerated in libjpeg-turbo.
*/
public static final int SAMP_440 = 4;
/**
* Returns the MCU block width for the given level of chrominance
* subsampling.
*
* @param subsamp the level of chrominance subsampling (one of
* <code>SAMP_*</code>)
*
* @return the MCU block width for the given level of chrominance subsampling
*/
public static int getMCUWidth(int subsamp) throws Exception {
if (subsamp < 0 || subsamp >= NUMSAMP)
throw new Exception("Invalid subsampling type");
return mcuWidth[subsamp];
}
private static final int[] mcuWidth = {
8, 16, 16, 8, 8
};
/**
* Returns the MCU block height for the given level of chrominance
* subsampling.
*
* @param subsamp the level of chrominance subsampling (one of
* <code>SAMP_*</code>)
*
* @return the MCU block height for the given level of chrominance
* subsampling
*/
public static int getMCUHeight(int subsamp) throws Exception {
if (subsamp < 0 || subsamp >= NUMSAMP)
throw new Exception("Invalid subsampling type");
return mcuHeight[subsamp];
}
private static final int[] mcuHeight = {
8, 8, 16, 8, 16
};
/**
* The number of pixel formats
*/
public static final int NUMPF = 11;
/**
* RGB pixel format. The red, green, and blue components in the image are
* stored in 3-byte pixels in the order R, G, B from lowest to highest byte
* address within each pixel.
*/
public static final int PF_RGB = 0;
/**
* BGR pixel format. The red, green, and blue components in the image are
* stored in 3-byte pixels in the order B, G, R from lowest to highest byte
* address within each pixel.
*/
public static final int PF_BGR = 1;
/**
* RGBX pixel format. The red, green, and blue components in the image are
* stored in 4-byte pixels in the order R, G, B from lowest to highest byte
* address within each pixel. The X component is ignored when compressing
* and undefined when decompressing.
*/
public static final int PF_RGBX = 2;
/**
* BGRX pixel format. The red, green, and blue components in the image are
* stored in 4-byte pixels in the order B, G, R from lowest to highest byte
* address within each pixel. The X component is ignored when compressing
* and undefined when decompressing.
*/
public static final int PF_BGRX = 3;
/**
* XBGR pixel format. The red, green, and blue components in the image are
* stored in 4-byte pixels in the order R, G, B from highest to lowest byte
* address within each pixel. The X component is ignored when compressing
* and undefined when decompressing.
*/
public static final int PF_XBGR = 4;
/**
* XRGB pixel format. The red, green, and blue components in the image are
* stored in 4-byte pixels in the order B, G, R from highest to lowest byte
* address within each pixel. The X component is ignored when compressing
* and undefined when decompressing.
*/
public static final int PF_XRGB = 5;
/**
* Grayscale pixel format. Each 1-byte pixel represents a luminance
* (brightness) level from 0 to 255.
*/
public static final int PF_GRAY = 6;
/**
* RGBA pixel format. This is the same as {@link #PF_RGBX}, except that when
* decompressing, the X byte is guaranteed to be 0xFF, which can be
* interpreted as an opaque alpha channel.
*/
public static final int PF_RGBA = 7;
/**
* BGRA pixel format. This is the same as {@link #PF_BGRX}, except that when
* decompressing, the X byte is guaranteed to be 0xFF, which can be
* interpreted as an opaque alpha channel.
*/
public static final int PF_BGRA = 8;
/**
* ABGR pixel format. This is the same as {@link #PF_XBGR}, except that when
* decompressing, the X byte is guaranteed to be 0xFF, which can be
* interpreted as an opaque alpha channel.
*/
public static final int PF_ABGR = 9;
/**
* ARGB pixel format. This is the same as {@link #PF_XRGB}, except that when
* decompressing, the X byte is guaranteed to be 0xFF, which can be
* interpreted as an opaque alpha channel.
*/
public static final int PF_ARGB = 10;
/**
* Returns the pixel size (in bytes) for the given pixel format.
*
* @param pixelFormat the pixel format (one of <code>PF_*</code>)
*
* @return the pixel size (in bytes) for the given pixel format
*/
public static int getPixelSize(int pixelFormat) throws Exception {
if (pixelFormat < 0 || pixelFormat >= NUMPF)
throw new Exception("Invalid pixel format");
return pixelSize[pixelFormat];
}
private static final int[] pixelSize = {
3, 3, 4, 4, 4, 4, 1, 4, 4, 4, 4
};
/**
* For the given pixel format, returns the number of bytes that the red
* component is offset from the start of the pixel. For instance, if a pixel
* of format <code>TJ.PF_BGRX</code> is stored in <code>char pixel[]</code>,
* then the red component will be
* <code>pixel[TJ.getRedOffset(TJ.PF_BGRX)]</code>.
*
* @param pixelFormat the pixel format (one of <code>PF_*</code>)
*
* @return the red offset for the given pixel format
*/
public static int getRedOffset(int pixelFormat) throws Exception {
if (pixelFormat < 0 || pixelFormat >= NUMPF)
throw new Exception("Invalid pixel format");
return redOffset[pixelFormat];
}
private static final int[] redOffset = {
0, 2, 0, 2, 3, 1, 0, 0, 2, 3, 1
};
/**
* For the given pixel format, returns the number of bytes that the green
* component is offset from the start of the pixel. For instance, if a pixel
* of format <code>TJ.PF_BGRX</code> is stored in <code>char pixel[]</code>,
* then the green component will be
* <code>pixel[TJ.getGreenOffset(TJ.PF_BGRX)]</code>.
*
* @param pixelFormat the pixel format (one of <code>PF_*</code>)
*
* @return the green offset for the given pixel format
*/
public static int getGreenOffset(int pixelFormat) throws Exception {
if (pixelFormat < 0 || pixelFormat >= NUMPF)
throw new Exception("Invalid pixel format");
return greenOffset[pixelFormat];
}
private static final int[] greenOffset = {
1, 1, 1, 1, 2, 2, 0, 1, 1, 2, 2
};
/**
* For the given pixel format, returns the number of bytes that the blue
* component is offset from the start of the pixel. For instance, if a pixel
* of format <code>TJ.PF_BGRX</code> is stored in <code>char pixel[]</code>,
* then the blue component will be
* <code>pixel[TJ.getBlueOffset(TJ.PF_BGRX)]</code>.
*
* @param pixelFormat the pixel format (one of <code>PF_*</code>)
*
* @return the blue offset for the given pixel format
*/
public static int getBlueOffset(int pixelFormat) throws Exception {
if (pixelFormat < 0 || pixelFormat >= NUMPF)
throw new Exception("Invalid pixel format");
return blueOffset[pixelFormat];
}
private static final int[] blueOffset = {
2, 0, 2, 0, 1, 3, 0, 2, 0, 1, 3
};
/**
* The uncompressed source/destination image is stored in bottom-up (Windows,
* OpenGL) order, not top-down (X11) order.
*/
public static final int FLAG_BOTTOMUP = 2;
/**
* Turn off CPU auto-detection and force TurboJPEG to use MMX code
* (if the underlying codec supports it.)
*/
public static final int FLAG_FORCEMMX = 8;
/**
* Turn off CPU auto-detection and force TurboJPEG to use SSE code
* (if the underlying codec supports it.)
*/
public static final int FLAG_FORCESSE = 16;
/**
* Turn off CPU auto-detection and force TurboJPEG to use SSE2 code
* (if the underlying codec supports it.)
*/
public static final int FLAG_FORCESSE2 = 32;
/**
* Turn off CPU auto-detection and force TurboJPEG to use SSE3 code
* (if the underlying codec supports it.)
*/
public static final int FLAG_FORCESSE3 = 128;
/**
* When decompressing an image that was compressed using chrominance
* subsampling, use the fastest chrominance upsampling algorithm available in
* the underlying codec. The default is to use smooth upsampling, which
* creates a smooth transition between neighboring chrominance components in
* order to reduce upsampling artifacts in the decompressed image.
*/
public static final int FLAG_FASTUPSAMPLE = 256;
/**
* Use the fastest DCT/IDCT algorithm available in the underlying codec. The
* default if this flag is not specified is implementation-specific. For
* example, the implementation of TurboJPEG for libjpeg[-turbo] uses the fast
* algorithm by default when compressing, because this has been shown to have
* only a very slight effect on accuracy, but it uses the accurate algorithm
* when decompressing, because this has been shown to have a larger effect.
*/
public static final int FLAG_FASTDCT = 2048;
/**
* Use the most accurate DCT/IDCT algorithm available in the underlying
* codec. The default if this flag is not specified is
* implementation-specific. For example, the implementation of TurboJPEG for
* libjpeg[-turbo] uses the fast algorithm by default when compressing,
* because this has been shown to have only a very slight effect on accuracy,
* but it uses the accurate algorithm when decompressing, because this has
* been shown to have a larger effect.
*/
public static final int FLAG_ACCURATEDCT = 4096;
/**
* Returns the maximum size of the buffer (in bytes) required to hold a JPEG
* image with the given width, height, and level of chrominance subsampling.
*
* @param width the width (in pixels) of the JPEG image
*
* @param height the height (in pixels) of the JPEG image
*
* @param jpegSubsamp the level of chrominance subsampling to be used when
* generating the JPEG image (one of {@link TJ TJ.SAMP_*})
*
* @return the maximum size of the buffer (in bytes) required to hold a JPEG
* image with the given width, height, and level of chrominance subsampling
*/
public static native int bufSize(int width, int height, int jpegSubsamp)
throws Exception;
/**
* Returns the size of the buffer (in bytes) required to hold a YUV planar
* image with the given width, height, and level of chrominance subsampling.
*
* @param width the width (in pixels) of the YUV image
*
* @param height the height (in pixels) of the YUV image
*
* @param subsamp the level of chrominance subsampling used in the YUV
* image (one of {@link TJ TJ.SAMP_*})
*
* @return the size of the buffer (in bytes) required to hold a YUV planar
* image with the given width, height, and level of chrominance subsampling
*/
public static native int bufSizeYUV(int width, int height, int subsamp)
throws Exception;
/**
* Returns a list of fractional scaling factors that the JPEG decompressor in
* this implementation of TurboJPEG supports.
*
* @return a list of fractional scaling factors that the JPEG decompressor in
* this implementation of TurboJPEG supports
*/
public static native TJScalingFactor[] getScalingFactors()
throws Exception;
static {
TJLoader.load();
}
};
libs/libjpeg-turbo/java/org/libjpegturbo/turbojpeg/TJCompressor.java
+556
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/*
* Copyright (C)2011-2014 D. R. Commander. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the libjpeg-turbo Project nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package org.libjpegturbo.turbojpeg;
import java.awt.image.*;
import java.nio.*;
/**
* TurboJPEG compressor
*/
public class TJCompressor {
private static final String NO_ASSOC_ERROR =
"No source image is associated with this instance";
/**
* Create a TurboJPEG compressor instance.
*/
public TJCompressor() throws Exception {
init();
}
/**
* Create a TurboJPEG compressor instance and associate the uncompressed
* source image stored in <code>srcImage</code> with the newly created
* instance.
*
* @param srcImage see {@link #setSourceImage} for description
*
* @param x see {@link #setSourceImage} for description
*
* @param y see {@link #setSourceImage} for description
*
* @param width see {@link #setSourceImage} for description
*
* @param pitch see {@link #setSourceImage} for description
*
* @param height see {@link #setSourceImage} for description
*
* @param pixelFormat pixel format of the source image (one of
* {@link TJ#PF_RGB TJ.PF_*})
*/
public TJCompressor(byte[] srcImage, int x, int y, int width, int pitch,
int height, int pixelFormat) throws Exception {
setSourceImage(srcImage, x, y, width, pitch, height, pixelFormat);
}
/**
* @deprecated Use
* {@link #TJCompressor(byte[], int, int, int, int, int, int)} instead.
*/
@Deprecated
public TJCompressor(byte[] srcImage, int width, int pitch, int height,
int pixelFormat) throws Exception {
setSourceImage(srcImage, width, pitch, height, pixelFormat);
}
/**
* Associate an uncompressed source image with this compressor instance.
*
* @param srcImage image buffer containing RGB or grayscale pixels to be
* compressed or encoded
*
* @param x x offset (in pixels) of the region in the source image from which
* the JPEG or YUV image should be compressed/encoded
*
* @param y y offset (in pixels) of the region in the source image from which
* the JPEG or YUV image should be compressed/encoded
*
* @param width width (in pixels) of the region in the source image from
* which the JPEG or YUV image should be compressed/encoded
*
* @param pitch bytes per line of the source image. Normally, this should be
* <code>width * TJ.pixelSize(pixelFormat)</code> if the source image is
* unpadded, but you can use this parameter to, for instance, specify that
* the scanlines in the source image are padded to a 4-byte boundary or to
* compress/encode a JPEG or YUV image from a region of a larger source
* image. You can also be clever and use this parameter to skip lines, etc.
* Setting this parameter to 0 is the equivalent of setting it to
* <code>width * TJ.pixelSize(pixelFormat)</code>.
*
* @param height height (in pixels) of the region in the source image from
* which the JPEG or YUV image should be compressed/encoded
*
* @param pixelFormat pixel format of the source image (one of
* {@link TJ#PF_RGB TJ.PF_*})
*/
public void setSourceImage(byte[] srcImage, int x, int y, int width,
int pitch, int height, int pixelFormat)
throws Exception {
if (handle == 0) init();
if (srcImage == null || x < 0 || y < 0 || width < 1 || height < 1 ||
pitch < 0 || pixelFormat < 0 || pixelFormat >= TJ.NUMPF)
throw new Exception("Invalid argument in setSourceImage()");
srcBuf = srcImage;
srcWidth = width;
if (pitch == 0)
srcPitch = width * TJ.getPixelSize(pixelFormat);
else
srcPitch = pitch;
srcHeight = height;
srcPixelFormat = pixelFormat;
srcX = x;
srcY = y;
}
/**
* @deprecated Use
* {@link #setSourceImage(byte[], int, int, int, int, int, int)} instead.
*/
@Deprecated
public void setSourceImage(byte[] srcImage, int width, int pitch,
int height, int pixelFormat) throws Exception {
setSourceImage(srcImage, 0, 0, width, pitch, height, pixelFormat);
srcX = srcY = -1;
}
/**
* Set the level of chrominance subsampling for subsequent compress/encode
* operations.
*
* @param newSubsamp the level of chrominance subsampling to use in
* subsequent compress/encode operations (one of
* {@link TJ#SAMP_444 TJ.SAMP_*})
*/
public void setSubsamp(int newSubsamp) throws Exception {
if (newSubsamp < 0 || newSubsamp >= TJ.NUMSAMP)
throw new Exception("Invalid argument in setSubsamp()");
subsamp = newSubsamp;
}
/**
* Set the JPEG image quality level for subsequent compress operations.
*
* @param quality the new JPEG image quality level (1 to 100, 1 = worst,
* 100 = best)
*/
public void setJPEGQuality(int quality) throws Exception {
if (quality < 1 || quality > 100)
throw new Exception("Invalid argument in setJPEGQuality()");
jpegQuality = quality;
}
/**
* Compress the uncompressed source image associated with this compressor
* instance and output a JPEG image to the given destination buffer.
*
* @param dstBuf buffer that will receive the JPEG image. Use
* {@link TJ#bufSize} to determine the maximum size for this buffer based on
* the source image's width and height and the desired level of chrominance
* subsampling.
*
* @param flags the bitwise OR of one or more of
* {@link TJ#FLAG_BOTTOMUP TJ.FLAG_*}
*/
public void compress(byte[] dstBuf, int flags) throws Exception {
if (dstBuf == null || flags < 0)
throw new Exception("Invalid argument in compress()");
if (srcBuf == null)
throw new Exception(NO_ASSOC_ERROR);
if (jpegQuality < 0)
throw new Exception("JPEG Quality not set");
if (subsamp < 0)
throw new Exception("Subsampling level not set");
if (srcX >= 0 && srcY >= 0)
compressedSize = compress(srcBuf, srcX, srcY, srcWidth, srcPitch,
srcHeight, srcPixelFormat, dstBuf, subsamp,
jpegQuality, flags);
else
compressedSize = compress(srcBuf, srcWidth, srcPitch, srcHeight,
srcPixelFormat, dstBuf, subsamp, jpegQuality,
flags);
}
/**
* Compress the uncompressed source image associated with this compressor
* instance and return a buffer containing a JPEG image.
*
* @param flags the bitwise OR of one or more of
* {@link TJ#FLAG_BOTTOMUP TJ.FLAG_*}
*
* @return a buffer containing a JPEG image. The length of this buffer will
* not be equal to the size of the JPEG image. Use {@link
* #getCompressedSize} to obtain the size of the JPEG image.
*/
public byte[] compress(int flags) throws Exception {
if (srcWidth < 1 || srcHeight < 1)
throw new Exception(NO_ASSOC_ERROR);
byte[] buf = new byte[TJ.bufSize(srcWidth, srcHeight, subsamp)];
compress(buf, flags);
return buf;
}
/**
* Compress the uncompressed source image stored in <code>srcImage</code>
* and output a JPEG image to the given destination buffer.
*
* @param srcImage a <code>BufferedImage</code> instance containing RGB or
* grayscale pixels to be compressed
*
* @param dstBuf buffer that will receive the JPEG image. Use
* {@link TJ#bufSize} to determine the maximum size for this buffer based on
* the image width, height, and level of chrominance subsampling.
*
* @param flags the bitwise OR of one or more of
* {@link TJ#FLAG_BOTTOMUP TJ.FLAG_*}
*/
public void compress(BufferedImage srcImage, byte[] dstBuf, int flags)
throws Exception {
if (srcImage == null || dstBuf == null || flags < 0)
throw new Exception("Invalid argument in compress()");
int width = srcImage.getWidth();
int height = srcImage.getHeight();
int pixelFormat;
boolean intPixels = false;
if (byteOrder == null)
byteOrder = ByteOrder.nativeOrder();
switch(srcImage.getType()) {
case BufferedImage.TYPE_3BYTE_BGR:
pixelFormat = TJ.PF_BGR; break;
case BufferedImage.TYPE_4BYTE_ABGR:
case BufferedImage.TYPE_4BYTE_ABGR_PRE:
pixelFormat = TJ.PF_XBGR; break;
case BufferedImage.TYPE_BYTE_GRAY:
pixelFormat = TJ.PF_GRAY; break;
case BufferedImage.TYPE_INT_BGR:
if (byteOrder == ByteOrder.BIG_ENDIAN)
pixelFormat = TJ.PF_XBGR;
else
pixelFormat = TJ.PF_RGBX;
intPixels = true; break;
case BufferedImage.TYPE_INT_RGB:
case BufferedImage.TYPE_INT_ARGB:
case BufferedImage.TYPE_INT_ARGB_PRE:
if (byteOrder == ByteOrder.BIG_ENDIAN)
pixelFormat = TJ.PF_XRGB;
else
pixelFormat = TJ.PF_BGRX;
intPixels = true; break;
default:
throw new Exception("Unsupported BufferedImage format");
}
WritableRaster wr = srcImage.getRaster();
if (jpegQuality < 0)
throw new Exception("JPEG Quality not set");
if (subsamp < 0)
throw new Exception("Subsampling level not set");
if (intPixels) {
SinglePixelPackedSampleModel sm =
(SinglePixelPackedSampleModel)srcImage.getSampleModel();
int stride = sm.getScanlineStride();
DataBufferInt db = (DataBufferInt)wr.getDataBuffer();
int[] buf = db.getData();
if (srcX >= 0 && srcY >= 0)
compressedSize = compress(buf, srcX, srcY, width, stride, height,
pixelFormat, dstBuf, subsamp, jpegQuality,
flags);
else
compressedSize = compress(buf, width, stride, height, pixelFormat,
dstBuf, subsamp, jpegQuality, flags);
} else {
ComponentSampleModel sm =
(ComponentSampleModel)srcImage.getSampleModel();
int pixelSize = sm.getPixelStride();
if (pixelSize != TJ.getPixelSize(pixelFormat))
throw new Exception("Inconsistency between pixel format and pixel size in BufferedImage");
int pitch = sm.getScanlineStride();
DataBufferByte db = (DataBufferByte)wr.getDataBuffer();
byte[] buf = db.getData();
if (srcX >= 0 && srcY >= 0)
compressedSize = compress(buf, srcX, srcY, width, pitch, height,
pixelFormat, dstBuf, subsamp, jpegQuality,
flags);
else
compressedSize = compress(buf, width, pitch, height, pixelFormat,
dstBuf, subsamp, jpegQuality, flags);
}
}
/**
* Compress the uncompressed source image stored in <code>srcImage</code>
* and return a buffer containing a JPEG image.
*
* @param srcImage a <code>BufferedImage</code> instance containing RGB or
* grayscale pixels to be compressed
*
* @param flags the bitwise OR of one or more of
* {@link TJ#FLAG_BOTTOMUP TJ.FLAG_*}
*
* @return a buffer containing a JPEG image. The length of this buffer will
* not be equal to the size of the JPEG image. Use {@link
* #getCompressedSize} to obtain the size of the JPEG image.
*/
public byte[] compress(BufferedImage srcImage, int flags) throws Exception {
int width = srcImage.getWidth();
int height = srcImage.getHeight();
byte[] buf = new byte[TJ.bufSize(width, height, subsamp)];
compress(srcImage, buf, flags);
return buf;
}
/**
* Encode the uncompressed source image associated with this compressor
* instance and output a YUV planar image to the given destination buffer.
* This method uses the accelerated color conversion routines in
* TurboJPEG's underlying codec to produce a planar YUV image that is
* suitable for direct video display. Specifically, if the chrominance
* components are subsampled along the horizontal dimension, then the width
* of the luminance plane is padded to the nearest multiple of 2 in the
* output image (same goes for the height of the luminance plane, if the
* chrominance components are subsampled along the vertical dimension.)
* Also, each line of each plane in the output image is padded to 4 bytes.
* Although this will work with any subsampling option, it is really only
* useful in combination with {@link TJ#SAMP_420}, which produces an image
* compatible with the I420 (AKA "YUV420P") format.
* <p>
* NOTE: Technically, the JPEG format uses the YCbCr colorspace, but per the
* convention of the digital video community, the TurboJPEG API uses "YUV" to
* refer to an image format consisting of Y, Cb, and Cr image planes.
*
* @param dstBuf buffer that will receive the YUV planar image. Use
* {@link TJ#bufSizeYUV} to determine the appropriate size for this buffer
* based on the image width, height, and level of chrominance subsampling.
*
* @param flags the bitwise OR of one or more of
* {@link TJ#FLAG_BOTTOMUP TJ.FLAG_*}
*/
public void encodeYUV(byte[] dstBuf, int flags) throws Exception {
if (dstBuf == null || flags < 0)
throw new Exception("Invalid argument in compress()");
if (srcBuf == null)
throw new Exception(NO_ASSOC_ERROR);
if (subsamp < 0)
throw new Exception("Subsampling level not set");
encodeYUV(srcBuf, srcWidth, srcPitch, srcHeight,
srcPixelFormat, dstBuf, subsamp, flags);
compressedSize = TJ.bufSizeYUV(srcWidth, srcHeight, subsamp);
}
/**
* Encode the uncompressed source image associated with this compressor
* instance and return a buffer containing a YUV planar image. See
* {@link #encodeYUV(byte[], int)} for more detail.
*
* @param flags the bitwise OR of one or more of
* {@link TJ#FLAG_BOTTOMUP TJ.FLAG_*}
*
* @return a buffer containing a YUV planar image
*/
public byte[] encodeYUV(int flags) throws Exception {
if (srcWidth < 1 || srcHeight < 1)
throw new Exception(NO_ASSOC_ERROR);
if (subsamp < 0)
throw new Exception("Subsampling level not set");
byte[] buf = new byte[TJ.bufSizeYUV(srcWidth, srcHeight, subsamp)];
encodeYUV(buf, flags);
return buf;
}
/**
* Encode the uncompressed source image stored in <code>srcImage</code>
* and output a YUV planar image to the given destination buffer. See
* {@link #encodeYUV(byte[], int)} for more detail.
*
* @param srcImage a <code>BufferedImage</code> instance containing RGB or
* grayscale pixels to be encoded
*
* @param dstBuf buffer that will receive the YUV planar image. Use
* {@link TJ#bufSizeYUV} to determine the appropriate size for this buffer
* based on the image width, height, and level of chrominance subsampling.
*
* @param flags the bitwise OR of one or more of
* {@link TJ#FLAG_BOTTOMUP TJ.FLAG_*}
*/
public void encodeYUV(BufferedImage srcImage, byte[] dstBuf, int flags)
throws Exception {
if (srcImage == null || dstBuf == null || flags < 0)
throw new Exception("Invalid argument in encodeYUV()");
int width = srcImage.getWidth();
int height = srcImage.getHeight();
int pixelFormat; boolean intPixels = false;
if (byteOrder == null)
byteOrder = ByteOrder.nativeOrder();
switch(srcImage.getType()) {
case BufferedImage.TYPE_3BYTE_BGR:
pixelFormat = TJ.PF_BGR; break;
case BufferedImage.TYPE_4BYTE_ABGR:
case BufferedImage.TYPE_4BYTE_ABGR_PRE:
pixelFormat = TJ.PF_XBGR; break;
case BufferedImage.TYPE_BYTE_GRAY:
pixelFormat = TJ.PF_GRAY; break;
case BufferedImage.TYPE_INT_BGR:
if (byteOrder == ByteOrder.BIG_ENDIAN)
pixelFormat = TJ.PF_XBGR;
else
pixelFormat = TJ.PF_RGBX;
intPixels = true; break;
case BufferedImage.TYPE_INT_RGB:
case BufferedImage.TYPE_INT_ARGB:
case BufferedImage.TYPE_INT_ARGB_PRE:
if (byteOrder == ByteOrder.BIG_ENDIAN)
pixelFormat = TJ.PF_XRGB;
else
pixelFormat = TJ.PF_BGRX;
intPixels = true; break;
default:
throw new Exception("Unsupported BufferedImage format");
}
WritableRaster wr = srcImage.getRaster();
if (subsamp < 0) throw new Exception("Subsampling level not set");
if (intPixels) {
SinglePixelPackedSampleModel sm =
(SinglePixelPackedSampleModel)srcImage.getSampleModel();
int stride = sm.getScanlineStride();
DataBufferInt db = (DataBufferInt)wr.getDataBuffer();
int[] buf = db.getData();
encodeYUV(buf, width, stride, height, pixelFormat, dstBuf, subsamp,
flags);
} else {
ComponentSampleModel sm =
(ComponentSampleModel)srcImage.getSampleModel();
int pixelSize = sm.getPixelStride();
if (pixelSize != TJ.getPixelSize(pixelFormat))
throw new Exception("Inconsistency between pixel format and pixel size in BufferedImage");
int pitch = sm.getScanlineStride();
DataBufferByte db = (DataBufferByte)wr.getDataBuffer();
byte[] buf = db.getData();
encodeYUV(buf, width, pitch, height, pixelFormat, dstBuf, subsamp,
flags);
}
compressedSize = TJ.bufSizeYUV(width, height, subsamp);
}
/**
* Encode the uncompressed source image stored in <code>srcImage</code>
* and return a buffer containing a YUV planar image. See
* {@link #encodeYUV(byte[], int)} for more detail.
*
* @param srcImage a <code>BufferedImage</code> instance containing RGB or
* grayscale pixels to be encoded
*
* @param flags the bitwise OR of one or more of
* {@link TJ#FLAG_BOTTOMUP TJ.FLAG_*}
*
* @return a buffer containing a YUV planar image
*/
public byte[] encodeYUV(BufferedImage srcImage, int flags) throws Exception {
if (subsamp < 0)
throw new Exception("Subsampling level not set");
int width = srcImage.getWidth();
int height = srcImage.getHeight();
byte[] buf = new byte[TJ.bufSizeYUV(width, height, subsamp)];
encodeYUV(srcImage, buf, flags);
return buf;
}
/**
* Returns the size of the image (in bytes) generated by the most recent
* compress/encode operation.
*
* @return the size of the image (in bytes) generated by the most recent
* compress/encode operation
*/
public int getCompressedSize() {
return compressedSize;
}
/**
* Free the native structures associated with this compressor instance.
*/
public void close() throws Exception {
destroy();
}
protected void finalize() throws Throwable {
try {
close();
} catch(Exception e) {
} finally {
super.finalize();
}
};
private native void init() throws Exception;
private native void destroy() throws Exception;
// JPEG size in bytes is returned
private native int compress(byte[] srcBuf, int width, int pitch,
int height, int pixelFormat, byte[] dstBuf, int jpegSubsamp, int jpegQual,
int flags) throws Exception; // deprecated
private native int compress(byte[] srcBuf, int x, int y, int width,
int pitch, int height, int pixelFormat, byte[] dstBuf, int jpegSubsamp,
int jpegQual, int flags) throws Exception;
private native int compress(int[] srcBuf, int width, int stride,
int height, int pixelFormat, byte[] dstBuf, int jpegSubsamp, int jpegQual,
int flags) throws Exception; // deprecated
private native int compress(int[] srcBuf, int x, int y, int width,
int stride, int height, int pixelFormat, byte[] dstBuf, int jpegSubsamp,
int jpegQual, int flags) throws Exception;
private native void encodeYUV(byte[] srcBuf, int width, int pitch,
int height, int pixelFormat, byte[] dstBuf, int subsamp, int flags)
throws Exception;
private native void encodeYUV(int[] srcBuf, int width, int stride,
int height, int pixelFormat, byte[] dstBuf, int subsamp, int flags)
throws Exception;
static {
TJLoader.load();
}
private long handle = 0;
private byte[] srcBuf = null;
private int srcWidth = 0;
private int srcHeight = 0;
private int srcX = -1;
private int srcY = -1;
private int srcPitch = 0;
private int srcPixelFormat = -1;
private int subsamp = -1;
private int jpegQuality = -1;
private int compressedSize = 0;
private ByteOrder byteOrder = null;
};
libs/libjpeg-turbo/java/org/libjpegturbo/turbojpeg/TJCustomFilter.java
+76
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@@ -0,0 +1,76 @@
/*
* Copyright (C)2011, 2013 D. R. Commander. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the libjpeg-turbo Project nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package org.libjpegturbo.turbojpeg;
import java.awt.*;
import java.nio.*;
/**
* Custom filter callback interface
*/
public interface TJCustomFilter {
/**
* A callback function that can be used to modify the DCT coefficients after
* they are losslessly transformed but before they are transcoded to a new
* JPEG image. This allows for custom filters or other transformations to be
* applied in the frequency domain.
*
* @param coeffBuffer a buffer containing transformed DCT coefficients.
* (NOTE: this buffer is not guaranteed to be valid once the callback
* returns, so applications wishing to hand off the DCT coefficients to
* another function or library should make a copy of them within the body of
* the callback.)
*
* @param bufferRegion rectangle containing the width and height of
* <code>coeffBuffer</code> as well as its offset relative to the component
* plane. TurboJPEG implementations may choose to split each component plane
* into multiple DCT coefficient buffers and call the callback function once
* for each buffer.
*
* @param planeRegion rectangle containing the width and height of the
* component plane to which <code>coeffBuffer</code> belongs
*
* @param componentID ID number of the component plane to which
* <code>coeffBuffer</code> belongs (Y, Cb, and Cr have, respectively, ID's
* of 0, 1, and 2 in typical JPEG images.)
*
* @param transformID ID number of the transformed image to which
* <code>coeffBuffer</code> belongs. This is the same as the index of the
* transform in the <code>transforms</code> array that was passed to {@link
* TJTransformer#transform TJTransformer.transform()}.
*
* @param transform a {@link TJTransform} instance that specifies the
* parameters and/or cropping region for this transform
*/
void customFilter(ShortBuffer coeffBuffer, Rectangle bufferRegion,
Rectangle planeRegion, int componentID, int transformID,
TJTransform transform)
throws Exception;
}
libs/libjpeg-turbo/java/org/libjpegturbo/turbojpeg/TJDecompressor.java
+646
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@@ -0,0 +1,646 @@
/*
* Copyright (C)2011-2014 D. R. Commander. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the libjpeg-turbo Project nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package org.libjpegturbo.turbojpeg;
import java.awt.image.*;
import java.nio.*;
/**
* TurboJPEG decompressor
*/
public class TJDecompressor {
private static final String NO_ASSOC_ERROR =
"No JPEG image is associated with this instance";
/**
* Create a TurboJPEG decompresssor instance.
*/
public TJDecompressor() throws Exception {
init();
}
/**
* Create a TurboJPEG decompressor instance and associate the JPEG image
* stored in <code>jpegImage</code> with the newly created instance.
*
* @param jpegImage JPEG image buffer (size of the JPEG image is assumed to
* be the length of the array)
*/
public TJDecompressor(byte[] jpegImage) throws Exception {
init();
setJPEGImage(jpegImage, jpegImage.length);
}
/**
* Create a TurboJPEG decompressor instance and associate the JPEG image
* of length <code>imageSize</code> bytes stored in <code>jpegImage</code>
* with the newly created instance.
*
* @param jpegImage JPEG image buffer
*
* @param imageSize size of the JPEG image (in bytes)
*/
public TJDecompressor(byte[] jpegImage, int imageSize) throws Exception {
init();
setJPEGImage(jpegImage, imageSize);
}
/**
* Associate the JPEG image of length <code>imageSize</code> bytes stored in
* <code>jpegImage</code> with this decompressor instance. This image will
* be used as the source image for subsequent decompress operations.
*
* @param jpegImage JPEG image buffer
*
* @param imageSize size of the JPEG image (in bytes)
*/
public void setJPEGImage(byte[] jpegImage, int imageSize) throws Exception {
if (jpegImage == null || imageSize < 1)
throw new Exception("Invalid argument in setJPEGImage()");
jpegBuf = jpegImage;
jpegBufSize = imageSize;
decompressHeader(jpegBuf, jpegBufSize);
}
/**
* Returns the width of the JPEG image associated with this decompressor
* instance.
*
* @return the width of the JPEG image associated with this decompressor
* instance
*/
public int getWidth() throws Exception {
if (jpegWidth < 1)
throw new Exception(NO_ASSOC_ERROR);
return jpegWidth;
}
/**
* Returns the height of the JPEG image associated with this decompressor
* instance.
*
* @return the height of the JPEG image associated with this decompressor
* instance
*/
public int getHeight() throws Exception {
if (jpegHeight < 1)
throw new Exception(NO_ASSOC_ERROR);
return jpegHeight;
}
/**
* Returns the level of chrominance subsampling used in the JPEG image
* associated with this decompressor instance. See {@link TJ TJ.SAMP_*}.
*
* @return the level of chrominance subsampling used in the JPEG image
* associated with this decompressor instance
*/
public int getSubsamp() throws Exception {
if (jpegSubsamp < 0)
throw new Exception(NO_ASSOC_ERROR);
if (jpegSubsamp >= TJ.NUMSAMP)
throw new Exception("JPEG header information is invalid");
return jpegSubsamp;
}
/**
* Returns the JPEG image buffer associated with this decompressor instance.
*
* @return the JPEG image buffer associated with this decompressor instance
*/
public byte[] getJPEGBuf() throws Exception {
if (jpegBuf == null)
throw new Exception(NO_ASSOC_ERROR);
return jpegBuf;
}
/**
* Returns the size of the JPEG image (in bytes) associated with this
* decompressor instance.
*
* @return the size of the JPEG image (in bytes) associated with this
* decompressor instance
*/
public int getJPEGSize() throws Exception {
if (jpegBufSize < 1)
throw new Exception(NO_ASSOC_ERROR);
return jpegBufSize;
}
/**
* Returns the width of the largest scaled-down image that the TurboJPEG
* decompressor can generate without exceeding the desired image width and
* height.
*
* @param desiredWidth desired width (in pixels) of the decompressed image.
* Setting this to 0 is the same as setting it to the width of the JPEG image
* (in other words, the width will not be considered when determining the
* scaled image size.)
*
* @param desiredHeight desired height (in pixels) of the decompressed image.
* Setting this to 0 is the same as setting it to the height of the JPEG
* image (in other words, the height will not be considered when determining
* the scaled image size.)
*
* @return the width of the largest scaled-down image that the TurboJPEG
* decompressor can generate without exceeding the desired image width and
* height
*/
public int getScaledWidth(int desiredWidth, int desiredHeight)
throws Exception {
if (jpegWidth < 1 || jpegHeight < 1)
throw new Exception(NO_ASSOC_ERROR);
if (desiredWidth < 0 || desiredHeight < 0)
throw new Exception("Invalid argument in getScaledWidth()");
TJScalingFactor[] sf = TJ.getScalingFactors();
if (desiredWidth == 0)
desiredWidth = jpegWidth;
if (desiredHeight == 0)
desiredHeight = jpegHeight;
int scaledWidth = jpegWidth, scaledHeight = jpegHeight;
for (int i = 0; i < sf.length; i++) {
scaledWidth = sf[i].getScaled(jpegWidth);
scaledHeight = sf[i].getScaled(jpegHeight);
if (scaledWidth <= desiredWidth && scaledHeight <= desiredHeight)
break;
}
if (scaledWidth > desiredWidth || scaledHeight > desiredHeight)
throw new Exception("Could not scale down to desired image dimensions");
return scaledWidth;
}
/**
* Returns the height of the largest scaled-down image that the TurboJPEG
* decompressor can generate without exceeding the desired image width and
* height.
*
* @param desiredWidth desired width (in pixels) of the decompressed image.
* Setting this to 0 is the same as setting it to the width of the JPEG image
* (in other words, the width will not be considered when determining the
* scaled image size.)
*
* @param desiredHeight desired height (in pixels) of the decompressed image.
* Setting this to 0 is the same as setting it to the height of the JPEG
* image (in other words, the height will not be considered when determining
* the scaled image size.)
*
* @return the height of the largest scaled-down image that the TurboJPEG
* decompressor can generate without exceeding the desired image width and
* height
*/
public int getScaledHeight(int desiredWidth, int desiredHeight)
throws Exception {
if (jpegWidth < 1 || jpegHeight < 1)
throw new Exception(NO_ASSOC_ERROR);
if (desiredWidth < 0 || desiredHeight < 0)
throw new Exception("Invalid argument in getScaledHeight()");
TJScalingFactor[] sf = TJ.getScalingFactors();
if (desiredWidth == 0)
desiredWidth = jpegWidth;
if (desiredHeight == 0)
desiredHeight = jpegHeight;
int scaledWidth = jpegWidth, scaledHeight = jpegHeight;
for (int i = 0; i < sf.length; i++) {
scaledWidth = sf[i].getScaled(jpegWidth);
scaledHeight = sf[i].getScaled(jpegHeight);
if (scaledWidth <= desiredWidth && scaledHeight <= desiredHeight)
break;
}
if (scaledWidth > desiredWidth || scaledHeight > desiredHeight)
throw new Exception("Could not scale down to desired image dimensions");
return scaledHeight;
}
/**
* Decompress the JPEG source image associated with this decompressor
* instance and output a decompressed image to the given destination buffer.
*
* @param dstBuf buffer that will receive the decompressed image. This
* buffer should normally be <code>pitch * scaledHeight</code> bytes in size,
* where <code>scaledHeight</code> can be determined by calling <code>
* scalingFactor.{@link TJScalingFactor#getScaled getScaled}(jpegHeight)
* </code> with one of the scaling factors returned from {@link
* TJ#getScalingFactors} or by calling {@link #getScaledHeight}. However,
* the buffer may also be larger than the dimensions of the JPEG image, in
* which case the <code>x</code>, <code>y</code>, and <code>pitch</code>
* parameters can be used to specify the region into which the JPEG image
* should be decompressed.
*
* @param x x offset (in pixels) of the region into which the JPEG image
* should be decompressed, relative to the start of <code>dstBuf</code>.
*
* @param y y offset (in pixels) of the region into which the JPEG image
* should be decompressed, relative to the start of <code>dstBuf</code>.
*
* @param desiredWidth desired width (in pixels) of the decompressed image
* (or image region.) If the desired image dimensions are different than the
* dimensions of the JPEG image being decompressed, then TurboJPEG will use
* scaling in the JPEG decompressor to generate the largest possible image
* that will fit within the desired dimensions. Setting this to 0 is the
* same as setting it to the width of the JPEG image (in other words, the
* width will not be considered when determining the scaled image size.)
*
* @param pitch bytes per line of the destination image. Normally, this
* should be set to <code>scaledWidth * TJ.pixelSize(pixelFormat)</code> if
* the decompressed image is unpadded, but you can use this to, for instance,
* pad each line of the decompressed image to a 4-byte boundary or to
* decompress the JPEG image into a region of a larger image. NOTE:
* <code>scaledWidth</code> can be determined by calling <code>
* scalingFactor.{@link TJScalingFactor#getScaled getScaled}(jpegWidth)
* </code> or by calling {@link #getScaledWidth}. Setting this parameter to
* 0 is the equivalent of setting it to <code>scaledWidth *
* TJ.pixelSize(pixelFormat)</code>.
*
* @param desiredHeight desired height (in pixels) of the decompressed image
* (or image region.) If the desired image dimensions are different than the
* dimensions of the JPEG image being decompressed, then TurboJPEG will use
* scaling in the JPEG decompressor to generate the largest possible image
* that will fit within the desired dimensions. Setting this to 0 is the
* same as setting it to the height of the JPEG image (in other words, the
* height will not be considered when determining the scaled image size.)
*
* @param pixelFormat pixel format of the decompressed/decoded image (one of
* {@link TJ#PF_RGB TJ.PF_*})
*
* @param flags the bitwise OR of one or more of
* {@link TJ#FLAG_BOTTOMUP TJ.FLAG_*}
*/
public void decompress(byte[] dstBuf, int x, int y, int desiredWidth,
int pitch, int desiredHeight, int pixelFormat,
int flags) throws Exception {
if (jpegBuf == null)
throw new Exception(NO_ASSOC_ERROR);
if (dstBuf == null || x < 0 || y < 0 || desiredWidth < 0 || pitch < 0 ||
desiredHeight < 0 || pixelFormat < 0 || pixelFormat >= TJ.NUMPF ||
flags < 0)
throw new Exception("Invalid argument in decompress()");
if (x > 0 || y > 0)
decompress(jpegBuf, jpegBufSize, dstBuf, x, y, desiredWidth, pitch,
desiredHeight, pixelFormat, flags);
else
decompress(jpegBuf, jpegBufSize, dstBuf, desiredWidth, pitch,
desiredHeight, pixelFormat, flags);
}
/**
* @deprecated Use
* {@link #decompress(byte[], int, int, int, int, int, int, int)} instead.
*/
@Deprecated
public void decompress(byte[] dstBuf, int desiredWidth, int pitch,
int desiredHeight, int pixelFormat, int flags)
throws Exception {
decompress(dstBuf, 0, 0, desiredWidth, pitch, desiredHeight, pixelFormat,
flags);
}
/**
* Decompress the JPEG source image associated with this decompressor
* instance and return a buffer containing the decompressed image.
*
* @param desiredWidth see
* {@link #decompress(byte[], int, int, int, int, int, int, int)}
* for description
*
* @param pitch see
* {@link #decompress(byte[], int, int, int, int, int, int, int)}
* for description
*
* @param desiredHeight see
* {@link #decompress(byte[], int, int, int, int, int, int, int)}
* for description
*
* @param pixelFormat pixel format of the decompressed image (one of
* {@link TJ#PF_RGB TJ.PF_*})
*
* @param flags the bitwise OR of one or more of
* {@link TJ#FLAG_BOTTOMUP TJ.FLAG_*}
*
* @return a buffer containing the decompressed image
*/
public byte[] decompress(int desiredWidth, int pitch, int desiredHeight,
int pixelFormat, int flags) throws Exception {
if (desiredWidth < 0 || pitch < 0 || desiredHeight < 0 ||
pixelFormat < 0 || pixelFormat >= TJ.NUMPF || flags < 0)
throw new Exception("Invalid argument in decompress()");
int pixelSize = TJ.getPixelSize(pixelFormat);
int scaledWidth = getScaledWidth(desiredWidth, desiredHeight);
int scaledHeight = getScaledHeight(desiredWidth, desiredHeight);
if (pitch == 0)
pitch = scaledWidth * pixelSize;
byte[] buf = new byte[pitch * scaledHeight];
decompress(buf, desiredWidth, pitch, desiredHeight, pixelFormat, flags);
return buf;
}
/**
* Decompress the JPEG source image associated with this decompressor
* instance and output a YUV planar image to the given destination buffer.
* This method performs JPEG decompression but leaves out the color
* conversion step, so a planar YUV image is generated instead of an RGB
* image. The padding of the planes in this image is the same as in the
* images generated by {@link TJCompressor#encodeYUV(byte[], int)}.
* <p>
* NOTE: Technically, the JPEG format uses the YCbCr colorspace, but per the
* convention of the digital video community, the TurboJPEG API uses "YUV" to
* refer to an image format consisting of Y, Cb, and Cr image planes.
*
* @param dstBuf buffer that will receive the YUV planar image. Use
* {@link TJ#bufSizeYUV} to determine the appropriate size for this buffer
* based on the image width, height, and level of chrominance subsampling.
*
* @param flags the bitwise OR of one or more of
* {@link TJ#FLAG_BOTTOMUP TJ.FLAG_*}
*/
public void decompressToYUV(byte[] dstBuf, int flags) throws Exception {
if (jpegBuf == null)
throw new Exception(NO_ASSOC_ERROR);
if (dstBuf == null || flags < 0)
throw new Exception("Invalid argument in decompressToYUV()");
decompressToYUV(jpegBuf, jpegBufSize, dstBuf, flags);
}
/**
* Decompress the JPEG source image associated with this decompressor
* instance and return a buffer containing a YUV planar image. See {@link
* #decompressToYUV(byte[], int)} for more detail.
*
* @param flags the bitwise OR of one or more of
* {@link TJ#FLAG_BOTTOMUP TJ.FLAG_*}
*
* @return a buffer containing a YUV planar image
*/
public byte[] decompressToYUV(int flags) throws Exception {
if (flags < 0)
throw new Exception("Invalid argument in decompressToYUV()");
if (jpegWidth < 1 || jpegHeight < 1 || jpegSubsamp < 0)
throw new Exception(NO_ASSOC_ERROR);
if (jpegSubsamp >= TJ.NUMSAMP)
throw new Exception("JPEG header information is invalid");
byte[] buf = new byte[TJ.bufSizeYUV(jpegWidth, jpegHeight, jpegSubsamp)];
decompressToYUV(buf, flags);
return buf;
}
/**
* Decompress the JPEG source image associated with this decompressor
* instance and output a decompressed image to the given destination buffer.
*
* @param dstBuf buffer that will receive the decompressed image. This
* buffer should normally be <code>stride * scaledHeight</code> pixels in
* size, where <code>scaledHeight</code> can be determined by calling <code>
* scalingFactor.{@link TJScalingFactor#getScaled getScaled}(jpegHeight)
* </code> with one of the scaling factors returned from {@link
* TJ#getScalingFactors} or by calling {@link #getScaledHeight}. However,
* the buffer may also be larger than the dimensions of the JPEG image, in
* which case the <code>x</code>, <code>y</code>, and <code>stride</code>
* parameters can be used to specify the region into which the JPEG image
* should be decompressed.
*
* @param x x offset (in pixels) of the region into which the JPEG image
* should be decompressed, relative to the start of <code>dstBuf</code>.
*
* @param y y offset (in pixels) of the region into which the JPEG image
* should be decompressed, relative to the start of <code>dstBuf</code>.
*
* @param desiredWidth desired width (in pixels) of the decompressed image
* (or image region.) If the desired image dimensions are different than the
* dimensions of the JPEG image being decompressed, then TurboJPEG will use
* scaling in the JPEG decompressor to generate the largest possible image
* that will fit within the desired dimensions. Setting this to 0 is the
* same as setting it to the width of the JPEG image (in other words, the
* width will not be considered when determining the scaled image size.)
*
* @param stride pixels per line of the destination image. Normally, this
* should be set to <code>scaledWidth</code>, but you can use this to, for
* instance, decompress the JPEG image into a region of a larger image.
* NOTE: <code>scaledWidth</code> can be determined by calling <code>
* scalingFactor.{@link TJScalingFactor#getScaled getScaled}(jpegWidth)
* </code> or by calling {@link #getScaledWidth}. Setting this parameter to
* 0 is the equivalent of setting it to <code>scaledWidth</code>.
*
* @param desiredHeight desired height (in pixels) of the decompressed image
* (or image region.) If the desired image dimensions are different than the
* dimensions of the JPEG image being decompressed, then TurboJPEG will use
* scaling in the JPEG decompressor to generate the largest possible image
* that will fit within the desired dimensions. Setting this to 0 is the
* same as setting it to the height of the JPEG image (in other words, the
* height will not be considered when determining the scaled image size.)
*
* @param pixelFormat pixel format of the decompressed image (one of
* {@link TJ#PF_RGB TJ.PF_*})
*
* @param flags the bitwise OR of one or more of
* {@link TJ#FLAG_BOTTOMUP TJ.FLAG_*}
*/
public void decompress(int[] dstBuf, int x, int y, int desiredWidth,
int stride, int desiredHeight, int pixelFormat,
int flags) throws Exception {
if (jpegBuf == null)
throw new Exception(NO_ASSOC_ERROR);
if (dstBuf == null || x < 0 || y < 0 || desiredWidth < 0 || stride < 0 ||
desiredHeight < 0 || pixelFormat < 0 || pixelFormat >= TJ.NUMPF ||
flags < 0)
throw new Exception("Invalid argument in decompress()");
decompress(jpegBuf, jpegBufSize, dstBuf, x, y, desiredWidth, stride,
desiredHeight, pixelFormat, flags);
}
/**
* Decompress the JPEG source image associated with this decompressor
* instance and output a decompressed image to the given
* <code>BufferedImage</code> instance.
*
* @param dstImage a <code>BufferedImage</code> instance that will receive
* the decompressed image. The width and height of the
* <code>BufferedImage</code> instance must match one of the scaled image
* sizes that TurboJPEG is capable of generating from the JPEG image.
*
*
* @param flags the bitwise OR of one or more of
* {@link TJ#FLAG_BOTTOMUP TJ.FLAG_*}
*/
public void decompress(BufferedImage dstImage, int flags) throws Exception {
if (dstImage == null || flags < 0)
throw new Exception("Invalid argument in decompress()");
int desiredWidth = dstImage.getWidth();
int desiredHeight = dstImage.getHeight();
int scaledWidth = getScaledWidth(desiredWidth, desiredHeight);
int scaledHeight = getScaledHeight(desiredWidth, desiredHeight);
if (scaledWidth != desiredWidth || scaledHeight != desiredHeight)
throw new Exception("BufferedImage dimensions do not match one of the scaled image sizes that TurboJPEG is capable of generating.");
int pixelFormat; boolean intPixels = false;
if (byteOrder == null)
byteOrder = ByteOrder.nativeOrder();
switch(dstImage.getType()) {
case BufferedImage.TYPE_3BYTE_BGR:
pixelFormat = TJ.PF_BGR; break;
case BufferedImage.TYPE_4BYTE_ABGR:
case BufferedImage.TYPE_4BYTE_ABGR_PRE:
pixelFormat = TJ.PF_XBGR; break;
case BufferedImage.TYPE_BYTE_GRAY:
pixelFormat = TJ.PF_GRAY; break;
case BufferedImage.TYPE_INT_BGR:
if (byteOrder == ByteOrder.BIG_ENDIAN)
pixelFormat = TJ.PF_XBGR;
else
pixelFormat = TJ.PF_RGBX;
intPixels = true; break;
case BufferedImage.TYPE_INT_RGB:
if (byteOrder == ByteOrder.BIG_ENDIAN)
pixelFormat = TJ.PF_XRGB;
else
pixelFormat = TJ.PF_BGRX;
intPixels = true; break;
case BufferedImage.TYPE_INT_ARGB:
case BufferedImage.TYPE_INT_ARGB_PRE:
if (byteOrder == ByteOrder.BIG_ENDIAN)
pixelFormat = TJ.PF_ARGB;
else
pixelFormat = TJ.PF_BGRA;
intPixels = true; break;
default:
throw new Exception("Unsupported BufferedImage format");
}
WritableRaster wr = dstImage.getRaster();
if (intPixels) {
SinglePixelPackedSampleModel sm =
(SinglePixelPackedSampleModel)dstImage.getSampleModel();
int stride = sm.getScanlineStride();
DataBufferInt db = (DataBufferInt)wr.getDataBuffer();
int[] buf = db.getData();
if (jpegBuf == null)
throw new Exception(NO_ASSOC_ERROR);
decompress(jpegBuf, jpegBufSize, buf, scaledWidth, stride, scaledHeight,
pixelFormat, flags);
} else {
ComponentSampleModel sm =
(ComponentSampleModel)dstImage.getSampleModel();
int pixelSize = sm.getPixelStride();
if (pixelSize != TJ.getPixelSize(pixelFormat))
throw new Exception("Inconsistency between pixel format and pixel size in BufferedImage");
int pitch = sm.getScanlineStride();
DataBufferByte db = (DataBufferByte)wr.getDataBuffer();
byte[] buf = db.getData();
decompress(buf, scaledWidth, pitch, scaledHeight, pixelFormat, flags);
}
}
/**
* Decompress the JPEG source image associated with this decompressor
* instance and return a <code>BufferedImage</code> instance containing the
* decompressed image.
*
* @param desiredWidth see
* {@link #decompress(byte[], int, int, int, int, int, int, int)} for
* description
*
* @param desiredHeight see
* {@link #decompress(byte[], int, int, int, int, int, int, int)} for
* description
*
* @param bufferedImageType the image type of the <code>BufferedImage</code>
* instance that will be created (for instance,
* <code>BufferedImage.TYPE_INT_RGB</code>)
*
* @param flags the bitwise OR of one or more of
* {@link TJ#FLAG_BOTTOMUP TJ.FLAG_*}
*
* @return a <code>BufferedImage</code> instance containing the
* decompressed image
*/
public BufferedImage decompress(int desiredWidth, int desiredHeight,
int bufferedImageType, int flags)
throws Exception {
if (desiredWidth < 0 || desiredHeight < 0 || flags < 0)
throw new Exception("Invalid argument in decompress()");
int scaledWidth = getScaledWidth(desiredWidth, desiredHeight);
int scaledHeight = getScaledHeight(desiredWidth, desiredHeight);
BufferedImage img = new BufferedImage(scaledWidth, scaledHeight,
bufferedImageType);
decompress(img, flags);
return img;
}
/**
* Free the native structures associated with this decompressor instance.
*/
public void close() throws Exception {
destroy();
}
protected void finalize() throws Throwable {
try {
close();
} catch(Exception e) {
} finally {
super.finalize();
}
};
private native void init() throws Exception;
private native void destroy() throws Exception;
private native void decompressHeader(byte[] srcBuf, int size)
throws Exception;
private native void decompress(byte[] srcBuf, int size, byte[] dstBuf,
int desiredWidth, int pitch, int desiredHeight, int pixelFormat, int flags)
throws Exception; // deprecated
private native void decompress(byte[] srcBuf, int size, byte[] dstBuf, int x,
int y, int desiredWidth, int pitch, int desiredHeight, int pixelFormat,
int flags) throws Exception;
private native void decompress(byte[] srcBuf, int size, int[] dstBuf,
int desiredWidth, int stride, int desiredHeight, int pixelFormat,
int flags) throws Exception; // deprecated
private native void decompress(byte[] srcBuf, int size, int[] dstBuf, int x,
int y, int desiredWidth, int stride, int desiredHeight, int pixelFormat,
int flags) throws Exception;
private native void decompressToYUV(byte[] srcBuf, int size, byte[] dstBuf,
int flags) throws Exception;
static {
TJLoader.load();
}
protected long handle = 0;
protected byte[] jpegBuf = null;
protected int jpegBufSize = 0;
protected int jpegWidth = 0;
protected int jpegHeight = 0;
protected int jpegSubsamp = -1;
private ByteOrder byteOrder = null;
};
libs/libjpeg-turbo/java/org/libjpegturbo/turbojpeg/TJLoader.java.in
+35
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/*
* Copyright (C)2011 D. R. Commander. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the libjpeg-turbo Project nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package org.libjpegturbo.turbojpeg;
final class TJLoader {
static void load() {
System.loadLibrary("@TURBOJPEG_DLL_NAME@");
}
};
libs/libjpeg-turbo/java/org/libjpegturbo/turbojpeg/TJLoader.java.tmpl
+59
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/*
* Copyright (C)2011-2013 D. R. Commander. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the libjpeg-turbo Project nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package org.libjpegturbo.turbojpeg;
final class TJLoader {
static void load() {
try {
System.loadLibrary("turbojpeg");
} catch (java.lang.UnsatisfiedLinkError e) {
String os = System.getProperty("os.name").toLowerCase();
if (os.indexOf("mac") >= 0) {
try {
System.load("%{__libdir}/libturbojpeg.jnilib");
} catch (java.lang.UnsatisfiedLinkError e2) {
System.load("/usr/lib/libturbojpeg.jnilib");
}
} else {
try {
System.load("%{__libdir}/libturbojpeg.so");
} catch (java.lang.UnsatisfiedLinkError e3) {
String libdir = "%{__libdir}";
if (libdir.equals("/opt/libjpeg-turbo/lib64")) {
System.load("/opt/libjpeg-turbo/lib32/libturbojpeg.so");
} else if (libdir.equals("/opt/libjpeg-turbo/lib32")) {
System.load("/opt/libjpeg-turbo/lib64/libturbojpeg.so");
} else {
throw e3;
}
}
}
}
}
};
libs/libjpeg-turbo/java/org/libjpegturbo/turbojpeg/TJScalingFactor.java
+98
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/*
* Copyright (C)2011 D. R. Commander. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the libjpeg-turbo Project nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package org.libjpegturbo.turbojpeg;
/**
* Fractional scaling factor
*/
public class TJScalingFactor {
public TJScalingFactor(int num, int denom) throws Exception {
if (num < 1 || denom < 1)
throw new Exception("Numerator and denominator must be >= 1");
this.num = num;
this.denom = denom;
}
/**
* Returns numerator
* @return numerator
*/
public int getNum() {
return num;
}
/**
* Returns denominator
* @return denominator
*/
public int getDenom() {
return denom;
}
/**
* Returns the scaled value of <code>dimension</code>. This function
* performs the integer equivalent of
* <code>ceil(dimension * scalingFactor)</code>.
* @return the scaled value of <code>dimension</code>
*/
public int getScaled(int dimension) {
return (dimension * num + denom - 1) / denom;
}
/**
* Returns true or false, depending on whether this instance and
* <code>other</code> have the same numerator and denominator.
* @return true or false, depending on whether this instance and
* <code>other</code> have the same numerator and denominator
*/
public boolean equals(TJScalingFactor other) {
return (this.num == other.num && this.denom == other.denom);
}
/**
* Returns true or false, depending on whether this instance is equal to
* 1/1.
* @return true or false, depending on whether this instance is equal to
* 1/1
*/
public boolean isOne() {
return (num == 1 && denom == 1);
}
/**
* Numerator
*/
private int num = 1;
/**
* Denominator
*/
private int denom = 1;
};
libs/libjpeg-turbo/java/org/libjpegturbo/turbojpeg/TJTransform.java
+208
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@@ -0,0 +1,208 @@
/*
* Copyright (C)2011, 2013 D. R. Commander. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the libjpeg-turbo Project nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package org.libjpegturbo.turbojpeg;
import java.awt.*;
/**
* Lossless transform parameters
*/
public class TJTransform extends Rectangle {
private static final long serialVersionUID = -127367705761430371L;
/**
* The number of lossless transform operations
*/
public static final int NUMOP = 8;
/**
* Do not transform the position of the image pixels.
*/
public static final int OP_NONE = 0;
/**
* Flip (mirror) image horizontally. This transform is imperfect if there
* are any partial MCU blocks on the right edge.
* @see #OPT_PERFECT
*/
public static final int OP_HFLIP = 1;
/**
* Flip (mirror) image vertically. This transform is imperfect if there are
* any partial MCU blocks on the bottom edge.
* @see #OPT_PERFECT
*/
public static final int OP_VFLIP = 2;
/**
* Transpose image (flip/mirror along upper left to lower right axis). This
* transform is always perfect.
* @see #OPT_PERFECT
*/
public static final int OP_TRANSPOSE = 3;
/**
* Transverse transpose image (flip/mirror along upper right to lower left
* axis). This transform is imperfect if there are any partial MCU blocks in
* the image.
* @see #OPT_PERFECT
*/
public static final int OP_TRANSVERSE = 4;
/**
* Rotate image clockwise by 90 degrees. This transform is imperfect if
* there are any partial MCU blocks on the bottom edge.
* @see #OPT_PERFECT
*/
public static final int OP_ROT90 = 5;
/**
* Rotate image 180 degrees. This transform is imperfect if there are any
* partial MCU blocks in the image.
* @see #OPT_PERFECT
*/
public static final int OP_ROT180 = 6;
/**
* Rotate image counter-clockwise by 90 degrees. This transform is imperfect
* if there are any partial MCU blocks on the right edge.
* @see #OPT_PERFECT
*/
public static final int OP_ROT270 = 7;
/**
* This option will cause {@link TJTransformer#transform
* TJTransformer.transform()} to throw an exception if the transform is not
* perfect. Lossless transforms operate on MCU blocks, whose size depends on
* the level of chrominance subsampling used. If the image's width or height
* is not evenly divisible by the MCU block size (see {@link TJ#getMCUWidth}
* and {@link TJ#getMCUHeight}), then there will be partial MCU blocks on the
* right and/or bottom edges. It is not possible to move these partial MCU
* blocks to the top or left of the image, so any transform that would
* require that is "imperfect." If this option is not specified, then any
* partial MCU blocks that cannot be transformed will be left in place, which
* will create odd-looking strips on the right or bottom edge of the image.
*/
public static final int OPT_PERFECT = 1;
/**
* This option will discard any partial MCU blocks that cannot be
* transformed.
*/
public static final int OPT_TRIM = 2;
/**
* This option will enable lossless cropping.
*/
public static final int OPT_CROP = 4;
/**
* This option will discard the color data in the input image and produce
* a grayscale output image.
*/
public static final int OPT_GRAY = 8;
/**
* This option will prevent {@link TJTransformer#transform
* TJTransformer.transform()} from outputting a JPEG image for this
* particular transform. This can be used in conjunction with a custom
* filter to capture the transformed DCT coefficients without transcoding
* them.
*/
public static final int OPT_NOOUTPUT = 16;
/**
* Create a new lossless transform instance.
*/
public TJTransform() {
}
/**
* Create a new lossless transform instance with the given parameters.
*
* @param x the left boundary of the cropping region. This must be evenly
* divisible by the MCU block width (see {@link TJ#getMCUWidth})
*
* @param y the upper boundary of the cropping region. This must be evenly
* divisible by the MCU block height (see {@link TJ#getMCUHeight})
*
* @param w the width of the cropping region. Setting this to 0 is the
* equivalent of setting it to (width of the source JPEG image -
* <code>x</code>).
*
* @param h the height of the cropping region. Setting this to 0 is the
* equivalent of setting it to (height of the source JPEG image -
* <code>y</code>).
*
* @param op one of the transform operations (<code>OP_*</code>)
*
* @param options the bitwise OR of one or more of the transform options
* (<code>OPT_*</code>)
*
* @param cf an instance of an object that implements the {@link
* TJCustomFilter} interface, or null if no custom filter is needed
*/
public TJTransform(int x, int y, int w, int h, int op, int options,
TJCustomFilter cf) throws Exception {
super(x, y, w, h);
this.op = op;
this.options = options;
this.cf = cf;
}
/**
* Create a new lossless transform instance with the given parameters.
*
* @param r a <code>Rectangle</code> instance that specifies the cropping
* region. See {@link
* #TJTransform(int, int, int, int, int, int, TJCustomFilter)} for more
* detail.
*
* @param op one of the transform operations (<code>OP_*</code>)
*
* @param options the bitwise OR of one or more of the transform options
* (<code>OPT_*</code>)
*
* @param cf an instance of an object that implements the {@link
* TJCustomFilter} interface, or null if no custom filter is needed
*/
public TJTransform(Rectangle r, int op, int options,
TJCustomFilter cf) throws Exception {
super(r);
this.op = op;
this.options = options;
this.cf = cf;
}
/**
* Transform operation (one of <code>OP_*</code>)
*/
public int op = 0;
/**
* Transform options (bitwise OR of one or more of <code>OPT_*</code>)
*/
public int options = 0;
/**
* Custom filter instance
*/
public TJCustomFilter cf = null;
}
libs/libjpeg-turbo/java/org/libjpegturbo/turbojpeg/TJTransformer.java
+162
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/*
* Copyright (C)2011, 2013-2014 D. R. Commander. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the libjpeg-turbo Project nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package org.libjpegturbo.turbojpeg;
/**
* TurboJPEG lossless transformer
*/
public class TJTransformer extends TJDecompressor {
/**
* Create a TurboJPEG lossless transformer instance.
*/
public TJTransformer() throws Exception {
init();
}
/**
* Create a TurboJPEG lossless transformer instance and associate the JPEG
* image stored in <code>jpegImage</code> with the newly created instance.
*
* @param jpegImage JPEG image buffer (size of the JPEG image is assumed to
* be the length of the array)
*/
public TJTransformer(byte[] jpegImage) throws Exception {
init();
setJPEGImage(jpegImage, jpegImage.length);
}
/**
* Create a TurboJPEG lossless transformer instance and associate the JPEG
* image of length <code>imageSize</code> bytes stored in
* <code>jpegImage</code> with the newly created instance.
*
* @param jpegImage JPEG image buffer
*
* @param imageSize size of the JPEG image (in bytes)
*/
public TJTransformer(byte[] jpegImage, int imageSize) throws Exception {
init();
setJPEGImage(jpegImage, imageSize);
}
/**
* Losslessly transform the JPEG image associated with this transformer
* instance into one or more JPEG images stored in the given destination
* buffers. Lossless transforms work by moving the raw coefficients from one
* JPEG image structure to another without altering the values of the
* coefficients. While this is typically faster than decompressing the
* image, transforming it, and re-compressing it, lossless transforms are not
* free. Each lossless transform requires reading and performing Huffman
* decoding on all of the coefficients in the source image, regardless of the
* size of the destination image. Thus, this method provides a means of
* generating multiple transformed images from the same source or of applying
* multiple transformations simultaneously, in order to eliminate the need to
* read the source coefficients multiple times.
*
* @param dstBufs an array of image buffers. <code>dstbufs[i]</code> will
* receive a JPEG image that has been transformed using the parameters in
* <code>transforms[i]</code>. Use {@link TJ#bufSize} to determine the
* maximum size for each buffer based on the transformed or cropped width and
* height and the level of subsampling used in the source image.
*
* @param transforms an array of {@link TJTransform} instances, each of
* which specifies the transform parameters and/or cropping region for the
* corresponding transformed output image
*
* @param flags the bitwise OR of one or more of
* {@link TJ#FLAG_BOTTOMUP TJ.FLAG_*}
*/
public void transform(byte[][] dstBufs, TJTransform[] transforms,
int flags) throws Exception {
if (jpegBuf == null)
throw new Exception("JPEG buffer not initialized");
transformedSizes = transform(jpegBuf, jpegBufSize, dstBufs, transforms,
flags);
}
/**
* Losslessly transform the JPEG image associated with this transformer
* instance and return an array of {@link TJDecompressor} instances, each of
* which has a transformed JPEG image associated with it.
*
* @param transforms an array of {@link TJTransform} instances, each of
* which specifies the transform parameters and/or cropping region for the
* corresponding transformed output image
*
* @return an array of {@link TJDecompressor} instances, each of
* which has a transformed JPEG image associated with it
*
* @param flags the bitwise OR of one or more of
* {@link TJ#FLAG_BOTTOMUP TJ.FLAG_*}
*/
public TJDecompressor[] transform(TJTransform[] transforms, int flags)
throws Exception {
byte[][] dstBufs = new byte[transforms.length][];
if (jpegWidth < 1 || jpegHeight < 1)
throw new Exception("JPEG buffer not initialized");
for (int i = 0; i < transforms.length; i++) {
int w = jpegWidth, h = jpegHeight;
if ((transforms[i].options & TJTransform.OPT_CROP) != 0) {
if (transforms[i].width != 0) w = transforms[i].width;
if (transforms[i].height != 0) h = transforms[i].height;
}
dstBufs[i] = new byte[TJ.bufSize(w, h, jpegSubsamp)];
}
TJDecompressor[] tjd = new TJDecompressor[transforms.length];
transform(dstBufs, transforms, flags);
for (int i = 0; i < transforms.length; i++)
tjd[i] = new TJDecompressor(dstBufs[i], transformedSizes[i]);
return tjd;
}
/**
* Returns an array containing the sizes of the transformed JPEG images
* generated by the most recent transform operation.
*
* @return an array containing the sizes of the transformed JPEG images
* generated by the most recent transform operation
*/
public int[] getTransformedSizes() throws Exception {
if (transformedSizes == null)
throw new Exception("No image has been transformed yet");
return transformedSizes;
}
private native void init() throws Exception;
private native int[] transform(byte[] srcBuf, int srcSize, byte[][] dstBufs,
TJTransform[] transforms, int flags) throws Exception;
static {
TJLoader.load();
}
private int[] transformedSizes = null;
};
libs/libjpeg-turbo/java/org_libjpegturbo_turbojpeg_TJ.h
+89
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@@ -0,0 +1,89 @@
/* DO NOT EDIT THIS FILE - it is machine generated */
#include <jni.h>
/* Header for class org_libjpegturbo_turbojpeg_TJ */
#ifndef _Included_org_libjpegturbo_turbojpeg_TJ
#define _Included_org_libjpegturbo_turbojpeg_TJ
#ifdef __cplusplus
extern "C" {
#endif
#undef org_libjpegturbo_turbojpeg_TJ_NUMSAMP
#define org_libjpegturbo_turbojpeg_TJ_NUMSAMP 5L
#undef org_libjpegturbo_turbojpeg_TJ_SAMP_444
#define org_libjpegturbo_turbojpeg_TJ_SAMP_444 0L
#undef org_libjpegturbo_turbojpeg_TJ_SAMP_422
#define org_libjpegturbo_turbojpeg_TJ_SAMP_422 1L
#undef org_libjpegturbo_turbojpeg_TJ_SAMP_420
#define org_libjpegturbo_turbojpeg_TJ_SAMP_420 2L
#undef org_libjpegturbo_turbojpeg_TJ_SAMP_GRAY
#define org_libjpegturbo_turbojpeg_TJ_SAMP_GRAY 3L
#undef org_libjpegturbo_turbojpeg_TJ_SAMP_440
#define org_libjpegturbo_turbojpeg_TJ_SAMP_440 4L
#undef org_libjpegturbo_turbojpeg_TJ_NUMPF
#define org_libjpegturbo_turbojpeg_TJ_NUMPF 11L
#undef org_libjpegturbo_turbojpeg_TJ_PF_RGB
#define org_libjpegturbo_turbojpeg_TJ_PF_RGB 0L
#undef org_libjpegturbo_turbojpeg_TJ_PF_BGR
#define org_libjpegturbo_turbojpeg_TJ_PF_BGR 1L
#undef org_libjpegturbo_turbojpeg_TJ_PF_RGBX
#define org_libjpegturbo_turbojpeg_TJ_PF_RGBX 2L
#undef org_libjpegturbo_turbojpeg_TJ_PF_BGRX
#define org_libjpegturbo_turbojpeg_TJ_PF_BGRX 3L
#undef org_libjpegturbo_turbojpeg_TJ_PF_XBGR
#define org_libjpegturbo_turbojpeg_TJ_PF_XBGR 4L
#undef org_libjpegturbo_turbojpeg_TJ_PF_XRGB
#define org_libjpegturbo_turbojpeg_TJ_PF_XRGB 5L
#undef org_libjpegturbo_turbojpeg_TJ_PF_GRAY
#define org_libjpegturbo_turbojpeg_TJ_PF_GRAY 6L
#undef org_libjpegturbo_turbojpeg_TJ_PF_RGBA
#define org_libjpegturbo_turbojpeg_TJ_PF_RGBA 7L
#undef org_libjpegturbo_turbojpeg_TJ_PF_BGRA
#define org_libjpegturbo_turbojpeg_TJ_PF_BGRA 8L
#undef org_libjpegturbo_turbojpeg_TJ_PF_ABGR
#define org_libjpegturbo_turbojpeg_TJ_PF_ABGR 9L
#undef org_libjpegturbo_turbojpeg_TJ_PF_ARGB
#define org_libjpegturbo_turbojpeg_TJ_PF_ARGB 10L
#undef org_libjpegturbo_turbojpeg_TJ_FLAG_BOTTOMUP
#define org_libjpegturbo_turbojpeg_TJ_FLAG_BOTTOMUP 2L
#undef org_libjpegturbo_turbojpeg_TJ_FLAG_FORCEMMX
#define org_libjpegturbo_turbojpeg_TJ_FLAG_FORCEMMX 8L
#undef org_libjpegturbo_turbojpeg_TJ_FLAG_FORCESSE
#define org_libjpegturbo_turbojpeg_TJ_FLAG_FORCESSE 16L
#undef org_libjpegturbo_turbojpeg_TJ_FLAG_FORCESSE2
#define org_libjpegturbo_turbojpeg_TJ_FLAG_FORCESSE2 32L
#undef org_libjpegturbo_turbojpeg_TJ_FLAG_FORCESSE3
#define org_libjpegturbo_turbojpeg_TJ_FLAG_FORCESSE3 128L
#undef org_libjpegturbo_turbojpeg_TJ_FLAG_FASTUPSAMPLE
#define org_libjpegturbo_turbojpeg_TJ_FLAG_FASTUPSAMPLE 256L
#undef org_libjpegturbo_turbojpeg_TJ_FLAG_FASTDCT
#define org_libjpegturbo_turbojpeg_TJ_FLAG_FASTDCT 2048L
#undef org_libjpegturbo_turbojpeg_TJ_FLAG_ACCURATEDCT
#define org_libjpegturbo_turbojpeg_TJ_FLAG_ACCURATEDCT 4096L
/*
* Class: org_libjpegturbo_turbojpeg_TJ
* Method: bufSize
* Signature: (III)I
*/
JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJ_bufSize
(JNIEnv *, jclass, jint, jint, jint);
/*
* Class: org_libjpegturbo_turbojpeg_TJ
* Method: bufSizeYUV
* Signature: (III)I
*/
JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJ_bufSizeYUV
(JNIEnv *, jclass, jint, jint, jint);
/*
* Class: org_libjpegturbo_turbojpeg_TJ
* Method: getScalingFactors
* Signature: ()[Lorg/libjpegturbo/turbojpeg/TJScalingFactor;
*/
JNIEXPORT jobjectArray JNICALL Java_org_libjpegturbo_turbojpeg_TJ_getScalingFactors
(JNIEnv *, jclass);
#ifdef __cplusplus
}
#endif
#endif
libs/libjpeg-turbo/java/org_libjpegturbo_turbojpeg_TJCompressor.h
+77
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@@ -0,0 +1,77 @@
/* DO NOT EDIT THIS FILE - it is machine generated */
#include <jni.h>
/* Header for class org_libjpegturbo_turbojpeg_TJCompressor */
#ifndef _Included_org_libjpegturbo_turbojpeg_TJCompressor
#define _Included_org_libjpegturbo_turbojpeg_TJCompressor
#ifdef __cplusplus
extern "C" {
#endif
/*
* Class: org_libjpegturbo_turbojpeg_TJCompressor
* Method: init
* Signature: ()V
*/
JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_init
(JNIEnv *, jobject);
/*
* Class: org_libjpegturbo_turbojpeg_TJCompressor
* Method: destroy
* Signature: ()V
*/
JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_destroy
(JNIEnv *, jobject);
/*
* Class: org_libjpegturbo_turbojpeg_TJCompressor
* Method: compress
* Signature: ([BIIII[BIII)I
*/
JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_compress___3BIIII_3BIII
(JNIEnv *, jobject, jbyteArray, jint, jint, jint, jint, jbyteArray, jint, jint, jint);
/*
* Class: org_libjpegturbo_turbojpeg_TJCompressor
* Method: compress
* Signature: ([BIIIIII[BIII)I
*/
JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_compress___3BIIIIII_3BIII
(JNIEnv *, jobject, jbyteArray, jint, jint, jint, jint, jint, jint, jbyteArray, jint, jint, jint);
/*
* Class: org_libjpegturbo_turbojpeg_TJCompressor
* Method: compress
* Signature: ([IIIII[BIII)I
*/
JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_compress___3IIIII_3BIII
(JNIEnv *, jobject, jintArray, jint, jint, jint, jint, jbyteArray, jint, jint, jint);
/*
* Class: org_libjpegturbo_turbojpeg_TJCompressor
* Method: compress
* Signature: ([IIIIIII[BIII)I
*/
JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_compress___3IIIIIII_3BIII
(JNIEnv *, jobject, jintArray, jint, jint, jint, jint, jint, jint, jbyteArray, jint, jint, jint);
/*
* Class: org_libjpegturbo_turbojpeg_TJCompressor
* Method: encodeYUV
* Signature: ([BIIII[BII)V
*/
JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_encodeYUV___3BIIII_3BII
(JNIEnv *, jobject, jbyteArray, jint, jint, jint, jint, jbyteArray, jint, jint);
/*
* Class: org_libjpegturbo_turbojpeg_TJCompressor
* Method: encodeYUV
* Signature: ([IIIII[BII)V
*/
JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_encodeYUV___3IIIII_3BII
(JNIEnv *, jobject, jintArray, jint, jint, jint, jint, jbyteArray, jint, jint);
#ifdef __cplusplus
}
#endif
#endif
libs/libjpeg-turbo/java/org_libjpegturbo_turbojpeg_TJDecompressor.h
+77
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@@ -0,0 +1,77 @@
/* DO NOT EDIT THIS FILE - it is machine generated */
#include <jni.h>
/* Header for class org_libjpegturbo_turbojpeg_TJDecompressor */
#ifndef _Included_org_libjpegturbo_turbojpeg_TJDecompressor
#define _Included_org_libjpegturbo_turbojpeg_TJDecompressor
#ifdef __cplusplus
extern "C" {
#endif
/*
* Class: org_libjpegturbo_turbojpeg_TJDecompressor
* Method: init
* Signature: ()V
*/
JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_init
(JNIEnv *, jobject);
/*
* Class: org_libjpegturbo_turbojpeg_TJDecompressor
* Method: destroy
* Signature: ()V
*/
JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_destroy
(JNIEnv *, jobject);
/*
* Class: org_libjpegturbo_turbojpeg_TJDecompressor
* Method: decompressHeader
* Signature: ([BI)V
*/
JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_decompressHeader
(JNIEnv *, jobject, jbyteArray, jint);
/*
* Class: org_libjpegturbo_turbojpeg_TJDecompressor
* Method: decompress
* Signature: ([BI[BIIIII)V
*/
JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_decompress___3BI_3BIIIII
(JNIEnv *, jobject, jbyteArray, jint, jbyteArray, jint, jint, jint, jint, jint);
/*
* Class: org_libjpegturbo_turbojpeg_TJDecompressor
* Method: decompress
* Signature: ([BI[BIIIIIII)V
*/
JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_decompress___3BI_3BIIIIIII
(JNIEnv *, jobject, jbyteArray, jint, jbyteArray, jint, jint, jint, jint, jint, jint, jint);
/*
* Class: org_libjpegturbo_turbojpeg_TJDecompressor
* Method: decompress
* Signature: ([BI[IIIIII)V
*/
JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_decompress___3BI_3IIIIII
(JNIEnv *, jobject, jbyteArray, jint, jintArray, jint, jint, jint, jint, jint);
/*
* Class: org_libjpegturbo_turbojpeg_TJDecompressor
* Method: decompress
* Signature: ([BI[IIIIIIII)V
*/
JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_decompress___3BI_3IIIIIIII
(JNIEnv *, jobject, jbyteArray, jint, jintArray, jint, jint, jint, jint, jint, jint, jint);
/*
* Class: org_libjpegturbo_turbojpeg_TJDecompressor
* Method: decompressToYUV
* Signature: ([BI[BI)V
*/
JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_decompressToYUV
(JNIEnv *, jobject, jbyteArray, jint, jbyteArray, jint);
#ifdef __cplusplus
}
#endif
#endif
libs/libjpeg-turbo/java/org_libjpegturbo_turbojpeg_TJTransformer.h
+29
View File
@@ -0,0 +1,29 @@
/* DO NOT EDIT THIS FILE - it is machine generated */
#include <jni.h>
/* Header for class org_libjpegturbo_turbojpeg_TJTransformer */
#ifndef _Included_org_libjpegturbo_turbojpeg_TJTransformer
#define _Included_org_libjpegturbo_turbojpeg_TJTransformer
#ifdef __cplusplus
extern "C" {
#endif
/*
* Class: org_libjpegturbo_turbojpeg_TJTransformer
* Method: init
* Signature: ()V
*/
JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJTransformer_init
(JNIEnv *, jobject);
/*
* Class: org_libjpegturbo_turbojpeg_TJTransformer
* Method: transform
* Signature: ([BI[[B[Lorg/libjpegturbo/turbojpeg/TJTransform;I)[I
*/
JNIEXPORT jintArray JNICALL Java_org_libjpegturbo_turbojpeg_TJTransformer_transform
(JNIEnv *, jobject, jbyteArray, jint, jobjectArray, jobjectArray, jint);
#ifdef __cplusplus
}
#endif
#endif