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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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef MOHAWK_GRAPHICS_H
#define MOHAWK_GRAPHICS_H
#include "mohawk/bitmap.h"
#include "common/hashmap.h"
#include "common/rect.h"
namespace Graphics {
struct Surface;
}
namespace Mohawk {
class MohawkEngine;
class MohawkEngine_LivingBooks;
class MohawkBitmap;
class MohawkSurface {
public:
MohawkSurface();
explicit MohawkSurface(Graphics::Surface *surface, byte *palette = nullptr, int offsetX = 0, int offsetY = 0);
~MohawkSurface();
// getSurface() returns the surface in the current format
// This will be the initial format unless convertToTrueColor() is called
Graphics::Surface *getSurface() const { return _surface; }
byte *getPalette() const { return _palette; }
// Convert the 8bpp image to the current screen format
// Does nothing if _surface is already >8bpp
void convertToTrueColor();
// Functions for OldMohawkBitmap offsets
// They both default to 0
int getOffsetX() const { return _offsetX; }
int getOffsetY() const { return _offsetY; }
void setOffsetX(int x) { _offsetX = x; }
void setOffsetY(int y) { _offsetY = y; }
private:
Graphics::Surface *_surface;
byte *_palette;
int _offsetX, _offsetY;
};
class GraphicsManager {
public:
GraphicsManager();
virtual ~GraphicsManager();
// Free all surfaces in the cache
void clearCache();
// findImage will search the cache to find the image.
// If not found, it will call decodeImage to get a new one.
MohawkSurface *findImage(uint16 id);
void preloadImage(uint16 image);
virtual void setPalette(uint16 id);
void copyAnimImageToScreen(uint16 image, int left = 0, int top = 0);
void copyAnimImageSectionToScreen(uint16 image, Common::Rect src, Common::Rect dest);
void copyAnimSubImageToScreen(uint16 image, uint16 subimage, int left = 0, int top = 0);
void getSubImageSize(uint16 image, uint16 subimage, uint16 &width, uint16 &height);
protected:
void copyAnimImageSectionToScreen(MohawkSurface *image, Common::Rect src, Common::Rect dest);
// decodeImage will always return a new image.
virtual MohawkSurface *decodeImage(uint16 id) = 0;
virtual Common::Array<MohawkSurface *> decodeImages(uint16 id);
virtual MohawkEngine *getVM() = 0;
void addImageToCache(uint16 id, MohawkSurface *surface);
private:
// An image cache that stores images until clearCache() is called
Common::HashMap<uint16, MohawkSurface *> _cache;
Common::HashMap<uint16, Common::Array<MohawkSurface *> > _subImageCache;
};
} // End of namespace Mohawk
#endif
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