smc.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 IMAGE_CODECS_SMC_H
#define IMAGE_CODECS_SMC_H
 
#include "image/codecs/codec.h"
 
namespace Image {
 
enum {
    CPAIR = 2,
    CQUAD = 4,
    COCTET = 8,
    COLORS_PER_TABLE = 256
};
 
class SMCDecoder : public Codec {
public:
    SMCDecoder(uint16 width, uint16 height);
    ~SMCDecoder() override;
 
    const Graphics::Surface *decodeFrame(Common::SeekableReadStream &stream) override;
    Graphics::PixelFormat getPixelFormat() const override { return Graphics::PixelFormat::createFormatCLUT8(); }
 
private:
    Graphics::Surface *_surface;
 
    // SMC color tables
    byte _colorPairs[COLORS_PER_TABLE * CPAIR];
    byte _colorQuads[COLORS_PER_TABLE * CQUAD];
    byte _colorOctets[COLORS_PER_TABLE * COCTET];
};
 
} // End of namespace Image
 
#endif