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 GRAPHICS_SCREEN_H
#define GRAPHICS_SCREEN_H

#include "graphics/managed_surface.h"
#include "graphics/pixelformat.h"
#include "common/list.h"
#include "common/rect.h"

namespace Graphics {

#define PALETTE_COUNT 256
#define PALETTE_SIZE (256 * 3)

class Screen : public ManagedSurface {
protected:
    Common::List<Common::Rect> _dirtyRects;
protected:
    void mergeDirtyRects();

    bool unionRectangle(Common::Rect &destRect, const Common::Rect &src1, const Common::Rect &src2);
public:
    Screen();
    Screen(int width, int height);
    Screen(int width, int height, PixelFormat pixelFormat);

    bool isDirty() const { return !_dirtyRects.empty(); }

    void makeAllDirty();

    virtual void clearDirtyRects() { _dirtyRects.clear(); }

    virtual void addDirtyRect(const Common::Rect &r);

    virtual void update();

    virtual void updateScreen();

    void getPalette(byte palette[PALETTE_SIZE]);

    void getPalette(byte *palette, uint start, uint num);

    void setPalette(const byte palette[PALETTE_SIZE]);

    void setPalette(const byte *palette, uint start, uint num);

    void clearPalette();
};
} // End of namespace Graphics

#endif