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yuva_to_rgba.h

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00001 /* Residual - A 3D game interpreter
00002  *
00003  * Residual is the legal property of its developers, whose names
00004  * are too numerous to list here. Please refer to the AUTHORS
00005  * file distributed with this source distribution.
00006  *
00007  * This program is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU General Public License
00009  * as published by the Free Software Foundation; either version 2
00010  * of the License, or (at your option) any later version.
00011  *
00012  * This program is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with this program; if not, write to the Free Software
00019  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00020  *
00021  */
00022 
00031 #ifndef GRAPHICS_YUVA_TO_RGBA_H
00032 #define GRAPHICS_YUVA_TO_RGBA_H
00033 
00034 #include "common/scummsys.h"
00035 #include "common/singleton.h"
00036 #include "graphics/surface.h"
00037 
00038 namespace Graphics {
00039 
00040 class YUVAToRGBALookup;
00041 
00042 class YUVAToRGBAManager : public Common::Singleton<YUVAToRGBAManager> {
00043 public:
00045     enum LuminanceScale {
00046         kScaleFull, 
00047         kScaleITU   
00048     };
00049 
00064     void convert420(Graphics::Surface *dst, LuminanceScale scale, const byte *ySrc, const byte *uSrc, const byte *vSrc, const byte *aSrc, int yWidth, int yHeight, int yPitch, int uvPitch);
00065 
00066 private:
00067     friend class Common::Singleton<SingletonBaseType>;
00068     YUVAToRGBAManager();
00069     ~YUVAToRGBAManager();
00070 
00071     const YUVAToRGBALookup *getLookup(Graphics::PixelFormat format, LuminanceScale scale);
00072 
00073     YUVAToRGBALookup *_lookup;
00074     int16 _colorTab[4 * 256]; // 2048 bytes
00075 };
00076 
00077 } // End of namespace Graphics
00078 
00079 #define YUVAToRGBAMan (::Graphics::YUVAToRGBAManager::instance())
00080 
00081 #endif


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