yuv_to_rgb.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef GRAPHICS_YUV_TO_RGB_H
#define GRAPHICS_YUV_TO_RGB_H

#include "common/scummsys.h"
#include "common/singleton.h"
#include "graphics/surface.h"

namespace Graphics {

class YUVToRGBLookup;

class YUVToRGBManager : public Common::Singleton<YUVToRGBManager> {
public:
    enum LuminanceScale {
        kScaleFull, 
        kScaleITU   
    };

    void convert444(Graphics::Surface *dst, LuminanceScale scale, const byte *ySrc, const byte *uSrc, const byte *vSrc, int yWidth, int yHeight, int yPitch, int uvPitch);

    void convert422(Graphics::Surface *dst, LuminanceScale scale, const byte *ySrc, const byte *uSrc, const byte *vSrc, int yWidth, int yHeight, int yPitch, int uvPitch);

    void convert420(Graphics::Surface *dst, LuminanceScale scale, const byte *ySrc, const byte *uSrc, const byte *vSrc, int yWidth, int yHeight, int yPitch, int uvPitch);

    void convert420Alpha(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);

    void convert410(Graphics::Surface *dst, LuminanceScale scale, const byte *ySrc, const byte *uSrc, const byte *vSrc, int yWidth, int yHeight, int yPitch, int uvPitch);

private:
    friend class Common::Singleton<SingletonBaseType>;
    YUVToRGBManager();
    ~YUVToRGBManager();

    const YUVToRGBLookup *getLookup(Graphics::PixelFormat format, LuminanceScale scale);

    YUVToRGBLookup *_lookup;
};
} // End of namespace Graphics

#define YUVToRGBMan (::Graphics::YUVToRGBManager::instance())

#endif