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yuv_to_rgb.h

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00001 /* ScummVM - Graphic Adventure Engine
00002  *
00003  * ScummVM is the legal property of its developers, whose names
00004  * are too numerous to list here. Please refer to the COPYRIGHT
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 
00038 #ifndef GRAPHICS_YUV_TO_RGB_H
00039 #define GRAPHICS_YUV_TO_RGB_H
00040 
00041 #include "common/scummsys.h"
00042 #include "common/singleton.h"
00043 #include "graphics/surface.h"
00044 
00045 namespace Graphics {
00046 
00047 class YUVToRGBLookup;
00048 
00049 class YUVToRGBManager : public Common::Singleton<YUVToRGBManager> {
00050 public:
00052     enum LuminanceScale {
00053         kScaleFull, 
00054         kScaleITU   
00055     };
00056 
00070     void convert444(Graphics::Surface *dst, LuminanceScale scale, const byte *ySrc, const byte *uSrc, const byte *vSrc, int yWidth, int yHeight, int yPitch, int uvPitch);
00071 
00085     void convert420(Graphics::Surface *dst, LuminanceScale scale, const byte *ySrc, const byte *uSrc, const byte *vSrc, int yWidth, int yHeight, int yPitch, int uvPitch);
00086 
00106     void convert410(Graphics::Surface *dst, LuminanceScale scale, const byte *ySrc, const byte *uSrc, const byte *vSrc, int yWidth, int yHeight, int yPitch, int uvPitch);
00107 
00108 private:
00109     friend class Common::Singleton<SingletonBaseType>;
00110     YUVToRGBManager();
00111     ~YUVToRGBManager();
00112 
00113     const YUVToRGBLookup *getLookup(Graphics::PixelFormat format, LuminanceScale scale);
00114 
00115     YUVToRGBLookup *_lookup;
00116     int16 _colorTab[4 * 256]; // 2048 bytes
00117 };
00118 
00119 } // End of namespace Graphics
00120 
00121 #define YUVToRGBMan (::Graphics::YUVToRGBManager::instance())
00122 
00123 #endif


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