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/* 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 DS_BACKGROUND_H
#define DS_BACKGROUND_H
#include "common/rect.h"
namespace Graphics {
struct Surface;
}
namespace DS {
class Background {
public:
Background(Graphics::Surface *surface, int layer, bool isSub, int mapBase, bool swScale);
static size_t getRequiredVRAM(uint16 width, uint16 height, bool isRGB, bool swScale);
void update();
void reset();
void show();
void hide();
inline bool isVisible() const { return _visible; }
void setScalef(int32 sx, int32 sy);
inline void setScale(int sx, int sy) { setScalef(sx << 8, sy << 8); }
void setScrollf(int32 x, int32 y);
inline void setScroll(int x, int y) { setScrollf(x << 8, y << 8); }
Common::Point realToScaled(int16 x, int16 y) const;
Common::Point scaledToReal(int16 x, int16 y) const;
protected:
int _bg;
bool _visible, _swScale;
uint16 _pitch;
int32 _scrollX, _scrollY, _scaleX, _scaleY;
Graphics::Surface *_surface;
};
class TiledBackground {
public:
TiledBackground(const unsigned int *tiles, size_t tilesLen, const unsigned short *map, size_t mapLen, int layer, bool isSub, int mapBase, int tileBase);
void update();
void reset();
void show();
void hide();
inline bool isVisible() const { return _visible; }
protected:
const unsigned int *_tiles;
const unsigned short *_map;
size_t _tilesLen, _mapLen;
int _bg;
bool _visible;
};
} // End of namespace DS
#endif // #ifndef DS_BACKGROUND_H
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