remap.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 SCI_GRAPHICS_REMAP_H
#define SCI_GRAPHICS_REMAP_H

#include "common/array.h"
#include "common/serializer.h"

namespace Sci {

class GfxScreen;

class GfxRemap {
private:
    enum ColorRemappingType {
        kRemapNone = 0,
        kRemapByRange = 1,
        kRemapByPercent = 2
    };

public:
    GfxRemap(GfxPalette *_palette);

    void resetRemapping();
    void setRemappingPercent(byte color, byte percent);
    void setRemappingRange(byte color, byte from, byte to, byte base);
    bool isRemapped(byte color) const {
        return _remapOn && (_remappingType[color] != kRemapNone);
    }
    byte remapColor(byte remappedColor, byte screenColor);
    void updateRemapping();

private:
    GfxPalette *_palette;

    bool _remapOn;
    ColorRemappingType _remappingType[256];
    byte _remappingByPercent[256];
    byte _remappingByRange[256];
    uint16 _remappingPercentToSet;
};
} // End of namespace Sci

#endif // SCI_GRAPHICS_REMAP_H