screen.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 DRACI_SCREEN_H
#define DRACI_SCREEN_H

#include "common/scummsys.h"

namespace Draci {

enum ScreenParameters {
    kScreenWidth = 320,
    kScreenHeight = 200,
    kNumColors = 256,
    kDefaultTransparent = 255
};

class DraciEngine;
class Surface;

class Screen {

public:
    Screen(DraciEngine *vm);
    ~Screen();

    void setPalette(const byte *data, uint16 start, uint16 num);
    void interpolatePalettes(const byte *first, const byte *second, uint16 start, uint16 num, int index, int number);
    const byte *getPalette() const { return _palette; }
    void copyToScreen();
    void clearScreen();
    Surface *getSurface() { return _surface; }

private:
    int interpolate(int first, int second, int index, int number);

    Surface *_surface;
    byte *_palette;
    byte *_blackPalette;
    DraciEngine *_vm;
};

} // End of namespace Draci

#endif // DRACI_SCREEN_H