yuv_to_rgb.h

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/* xoreos - A reimplementation of BioWare's Aurora engine
 *
 * xoreos is the legal property of its developers, whose names
 * can be found in the AUTHORS file distributed with this source
 * distribution.
 *
 * xoreos 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.
 *
 * xoreos 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 xoreos. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef GRAPHICS_YUV_TO_RGB_H
#define GRAPHICS_YUV_TO_RGB_H

#include "src/common/scopedptr.h"
#include "src/common/singleton.h"

#include "src/graphics/types.h"

namespace Graphics {

class YUVToRGBLookup;

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

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

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

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

    const YUVToRGBLookup *getLookup(LuminanceScale scale);

    Common::ScopedPtr<YUVToRGBLookup> _lookup;
    int16 _colorTab[4 * 256]; // 2048 bytes
};

} // End of namespace Graphics

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

#endif // GRAPHICS_YUV_TO_RGB_H