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tiledsurface.h

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00001 /* ResidualVM - A 3D game interpreter
00002  *
00003  * ResidualVM is the legal property of its developers, whose names
00004  * are too numerous to list here. Please refer to the COPYRIGHT
00005  * file distributed with this source distribution.
00006  *
00007  * This program is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU General Public License
00009  * as published by the Free Software Foundation; either version 2
00010  * of the License, or (at your option) any later version.
00011  *
00012  * This program is distributed in the hope that it will be useful,
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00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
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00019  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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00022 
00023 #ifndef GRAPHICS_OPENGL_TILED_SURFACE_H
00024 #define GRAPHICS_OPENGL_TILED_SURFACE_H
00025 
00026 #include "graphics/opengl/system_headers.h"
00027 
00028 #include "common/array.h"
00029 #include "common/rect.h"
00030 
00031 #include "graphics/surface.h"
00032 
00033 namespace OpenGL {
00034 
00035 class Texture;
00036 class SurfaceRenderer;
00037 
00041 class TiledSurface {
00042 public:
00043     TiledSurface(uint width, uint height, const Graphics::PixelFormat &pixelFormat);
00044     ~TiledSurface();
00045 
00060     void copyRectToSurface(const void *src, int srcPitch, int x, int y, int w, int h);
00061 
00065     void update();
00066 
00076     void draw(SurfaceRenderer *surfaceRenderer) const;
00077 
00083     void fill(uint32 color);
00084 
00091     Graphics::Surface *getBackingSurface();
00092 
00099     const Graphics::Surface *getBackingSurface() const;
00100 
00107     uint16 getWidth() const { return _backingSurface.w; }
00108     uint16 getHeight() const { return _backingSurface.h; }
00109 
00110 private:
00111     static const uint maxTextureSize = 256;
00112 
00113     struct Tile {
00114         Texture *texture;
00115         Common::Rect rect;
00116         bool dirty;
00117     };
00118 
00119     Graphics::Surface _backingSurface;
00120     Common::Array<Tile> _tiles;
00121 
00122     void invalidateAllTiles();
00123 };
00124 
00125 } // End of namespace OpenGL
00126 
00127 #endif


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