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81 lines
2.8 KiB
C++
81 lines
2.8 KiB
C++
/*
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* FTGL - OpenGL font library
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*
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* Copyright (c) 2008 Sam Hocevar <sam@zoy.org>
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef __FTBufferFontImpl__
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#define __FTBufferFontImpl__
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#include "FTFontImpl.h"
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class FTGlyph;
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class FTBuffer;
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class FTBufferFontImpl : public FTFontImpl
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{
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friend class FTBufferFont;
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protected:
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FTBufferFontImpl(FTFont *ftFont, const char* fontFilePath);
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FTBufferFontImpl(FTFont *ftFont, const unsigned char *pBufferBytes,
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size_t bufferSizeInBytes);
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virtual ~FTBufferFontImpl();
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virtual FTPoint Render(const char *s, const int len,
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FTPoint position, FTPoint spacing,
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int renderMode);
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virtual FTPoint Render(const wchar_t *s, const int len,
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FTPoint position, FTPoint spacing,
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int renderMode);
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virtual bool FaceSize(const unsigned int size,
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const unsigned int res);
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private:
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/**
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* Create an FTBufferGlyph object for the base class.
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*/
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FTGlyph* MakeGlyphImpl(FT_GlyphSlot ftGlyph);
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/* Internal generic Render() implementation */
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template <typename T>
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inline FTPoint RenderI(const T *s, const int len,
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FTPoint position, FTPoint spacing, int mode);
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/* Pixel buffer */
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FTBuffer *buffer;
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static const int BUFFER_CACHE_SIZE = 16;
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/* Texture IDs */
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GLuint idCache[BUFFER_CACHE_SIZE];
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void *stringCache[BUFFER_CACHE_SIZE];
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FTBBox bboxCache[BUFFER_CACHE_SIZE];
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FTPoint advanceCache[BUFFER_CACHE_SIZE];
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int lastString;
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};
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#endif // __FTBufferFontImpl__
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