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This commit is contained in:
Bart van Strien
+182
-182
@@ -1,182 +1,182 @@
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/**
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* Copyright (c) 2006-2012 LOVE Development Team
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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**/
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#ifndef LOVE_GRAPHICS_OPENGL_FONT_H
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#define LOVE_GRAPHICS_OPENGL_FONT_H
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// STD
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#include <map>
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#include <string>
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#include <vector>
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// LOVE
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#include "common/Object.h"
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#include "font/Rasterizer.h"
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#include "graphics/Image.h"
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#include "OpenGL.h"
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#include "GLee.h"
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namespace love
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{
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namespace graphics
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{
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namespace opengl
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{
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class Font : public Object, public Volatile
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{
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public:
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/**
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* Default constructor.
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*
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* @param data The font data to construct from.
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**/
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Font(love::font::Rasterizer *r, const Image::Filter &filter = Image::Filter());
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virtual ~Font();
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/**
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* Prints the text at the designated position with rotation and scaling.
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*
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* @param text A string.
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* @param x The x-coordinate.
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* @param y The y-coordinate.
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* @param angle The amount of rotation.
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* @param sx Scale along the x axis.
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* @param sy Scale along the y axis.
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* @param ox The origin offset along the x-axis.
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* @param oy The origin offset along the y-axis.
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* @param kx Shear along the x axis.
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* @param ky Shear along the y axis.
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**/
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void print(std::string text, float x, float y, float angle = 0.0f, float sx = 1.0f, float sy = 1.0f, float ox = 0.0f, float oy = 0.0f, float kx = 0.0f, float ky = 0.0f);
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/**
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* Prints the character at the designated position.
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*
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* @param character A character.
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* @param x The x-coordinate.
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* @param y The y-coordinate.
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**/
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void print(char character, float x, float y);
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/**
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* Returns the height of the font.
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**/
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float getHeight() const;
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/**
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* Returns the width of the passed string.
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*
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* @param line A line of text.
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**/
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int getWidth(const std::string &line);
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int getWidth(const char *line);
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/**
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* Returns the width of the passed character.
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*
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* @param character A character.
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**/
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int getWidth(const char character);
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/**
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* Returns the maximal width of a wrapped string
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* and optionally the number of lines
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*
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* @param text The input text
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* @param wrap The number of pixels to wrap at
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* @param max_width Optional output of the maximum width
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* Returns a vector with the lines.
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**/
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std::vector<std::string> getWrap(const std::string text, float wrap, int *max_width = 0);
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/**
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* Sets the line height (which should be a number to multiply the font size by,
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* example: line height = 1.2 and size = 12 means that rendered line height = 12*1.2)
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* @param height The new line height.
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**/
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void setLineHeight(float height);
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/**
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* Returns the line height.
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**/
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float getLineHeight() const;
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/**
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* Sets the spacing modifier (changes the spacing between the characters the
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* same way that the line height does [multiplication]).
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* Note: The spacing must be set BEFORE the font is loaded to have any effect.
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* @param amount The amount of modification.
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**/
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void setSpacing(float amount);
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/**
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* Returns the spacing modifier.
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**/
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float getSpacing() const;
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// Implements Volatile.
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bool loadVolatile();
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void unloadVolatile();
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private:
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enum FontType
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{
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FONT_TRUETYPE = 1,
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FONT_IMAGE,
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FONT_UNKNOWN
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};
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struct Glyph
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{
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GLuint list;
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GLuint texture;
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int spacing;
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};
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love::font::Rasterizer *rasterizer;
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int height;
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float lineHeight;
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float mSpacing; // modifies the spacing by multiplying it with this value
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std::vector<GLuint> textures; // vector of packed textures
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std::map<int, Glyph *> glyphs; // maps glyphs to display lists
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FontType type;
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Image::Filter filter;
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static const int TEXTURE_WIDTH = 512;
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static const int TEXTURE_HEIGHT = 512;
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static const int TEXTURE_PADDING = 1;
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int texture_x, texture_y;
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int rowHeight;
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void createTexture();
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Glyph *addGlyph(int glyph);
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}; // Font
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} // opengl
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} // graphics
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} // love
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#endif // LOVE_GRAPHICS_OPENGL_FONT_H
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/**
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* Copyright (c) 2006-2012 LOVE Development Team
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
|
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* in a product, an acknowledgment in the product documentation would be
|
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* appreciated but is not required.
|
||||
* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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**/
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#ifndef LOVE_GRAPHICS_OPENGL_FONT_H
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#define LOVE_GRAPHICS_OPENGL_FONT_H
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// STD
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#include <map>
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#include <string>
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#include <vector>
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// LOVE
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#include "common/Object.h"
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#include "font/Rasterizer.h"
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#include "graphics/Image.h"
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#include "OpenGL.h"
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#include "GLee.h"
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namespace love
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{
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namespace graphics
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{
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namespace opengl
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{
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class Font : public Object, public Volatile
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{
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public:
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/**
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* Default constructor.
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*
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* @param data The font data to construct from.
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**/
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Font(love::font::Rasterizer *r, const Image::Filter &filter = Image::Filter());
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virtual ~Font();
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/**
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* Prints the text at the designated position with rotation and scaling.
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*
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* @param text A string.
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* @param x The x-coordinate.
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* @param y The y-coordinate.
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* @param angle The amount of rotation.
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* @param sx Scale along the x axis.
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* @param sy Scale along the y axis.
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* @param ox The origin offset along the x-axis.
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* @param oy The origin offset along the y-axis.
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* @param kx Shear along the x axis.
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* @param ky Shear along the y axis.
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**/
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void print(std::string text, float x, float y, float angle = 0.0f, float sx = 1.0f, float sy = 1.0f, float ox = 0.0f, float oy = 0.0f, float kx = 0.0f, float ky = 0.0f);
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/**
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* Prints the character at the designated position.
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*
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* @param character A character.
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* @param x The x-coordinate.
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* @param y The y-coordinate.
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**/
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void print(char character, float x, float y);
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/**
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* Returns the height of the font.
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**/
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float getHeight() const;
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/**
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* Returns the width of the passed string.
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*
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* @param line A line of text.
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**/
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int getWidth(const std::string &line);
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int getWidth(const char *line);
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/**
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* Returns the width of the passed character.
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*
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* @param character A character.
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**/
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int getWidth(const char character);
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/**
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* Returns the maximal width of a wrapped string
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* and optionally the number of lines
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*
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* @param text The input text
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* @param wrap The number of pixels to wrap at
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* @param max_width Optional output of the maximum width
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* Returns a vector with the lines.
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**/
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std::vector<std::string> getWrap(const std::string text, float wrap, int *max_width = 0);
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/**
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* Sets the line height (which should be a number to multiply the font size by,
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* example: line height = 1.2 and size = 12 means that rendered line height = 12*1.2)
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* @param height The new line height.
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**/
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void setLineHeight(float height);
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/**
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* Returns the line height.
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**/
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float getLineHeight() const;
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/**
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* Sets the spacing modifier (changes the spacing between the characters the
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* same way that the line height does [multiplication]).
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* Note: The spacing must be set BEFORE the font is loaded to have any effect.
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* @param amount The amount of modification.
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**/
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void setSpacing(float amount);
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/**
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* Returns the spacing modifier.
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**/
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float getSpacing() const;
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// Implements Volatile.
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bool loadVolatile();
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void unloadVolatile();
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private:
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enum FontType
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{
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FONT_TRUETYPE = 1,
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FONT_IMAGE,
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FONT_UNKNOWN
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};
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struct Glyph
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{
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GLuint list;
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GLuint texture;
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int spacing;
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};
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love::font::Rasterizer *rasterizer;
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int height;
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float lineHeight;
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float mSpacing; // modifies the spacing by multiplying it with this value
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std::vector<GLuint> textures; // vector of packed textures
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std::map<int, Glyph *> glyphs; // maps glyphs to display lists
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FontType type;
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Image::Filter filter;
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static const int TEXTURE_WIDTH = 512;
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static const int TEXTURE_HEIGHT = 512;
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static const int TEXTURE_PADDING = 1;
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int texture_x, texture_y;
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int rowHeight;
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void createTexture();
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Glyph *addGlyph(int glyph);
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}; // Font
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} // opengl
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} // graphics
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} // love
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#endif // LOVE_GRAPHICS_OPENGL_FONT_H
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