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108 lines
3.3 KiB
C++
108 lines
3.3 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef MOHAWK_GRAPHICS_H
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#define MOHAWK_GRAPHICS_H
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#include "mohawk/bitmap.h"
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#include "common/hashmap.h"
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#include "common/rect.h"
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namespace Graphics {
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struct Surface;
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}
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namespace Mohawk {
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class MohawkEngine;
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class MohawkEngine_LivingBooks;
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class MohawkBitmap;
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class MohawkSurface {
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public:
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MohawkSurface();
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MohawkSurface(Graphics::Surface *surface, byte *palette = NULL, int offsetX = 0, int offsetY = 0);
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~MohawkSurface();
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// getSurface() returns the surface in the current format
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// This will be the initial format unless convertToTrueColor() is called
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Graphics::Surface *getSurface() const { return _surface; }
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byte *getPalette() const { return _palette; }
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// Convert the 8bpp image to the current screen format
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// Does nothing if _surface is already >8bpp
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void convertToTrueColor();
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// Functions for OldMohawkBitmap offsets
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// They both default to 0
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int getOffsetX() const { return _offsetX; }
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int getOffsetY() const { return _offsetY; }
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void setOffsetX(int x) { _offsetX = x; }
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void setOffsetY(int y) { _offsetY = y; }
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private:
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Graphics::Surface *_surface;
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byte *_palette;
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int _offsetX, _offsetY;
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};
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class GraphicsManager {
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public:
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GraphicsManager();
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virtual ~GraphicsManager();
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// Free all surfaces in the cache
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void clearCache();
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void preloadImage(uint16 image);
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virtual void setPalette(uint16 id);
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void copyAnimImageToScreen(uint16 image, int left = 0, int top = 0);
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void copyAnimImageSectionToScreen(uint16 image, Common::Rect src, Common::Rect dest);
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void copyAnimSubImageToScreen(uint16 image, uint16 subimage, int left = 0, int top = 0);
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void getSubImageSize(uint16 image, uint16 subimage, uint16 &width, uint16 &height);
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protected:
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void copyAnimImageSectionToScreen(MohawkSurface *image, Common::Rect src, Common::Rect dest);
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// findImage will search the cache to find the image.
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// If not found, it will call decodeImage to get a new one.
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MohawkSurface *findImage(uint16 id);
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// decodeImage will always return a new image.
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virtual MohawkSurface *decodeImage(uint16 id) = 0;
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virtual Common::Array<MohawkSurface *> decodeImages(uint16 id);
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virtual MohawkEngine *getVM() = 0;
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void addImageToCache(uint16 id, MohawkSurface *surface);
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private:
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// An image cache that stores images until clearCache() is called
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Common::HashMap<uint16, MohawkSurface *> _cache;
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Common::HashMap<uint16, Common::Array<MohawkSurface *> > _subImageCache;
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};
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} // End of namespace Mohawk
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#endif
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