src/video/texture_manager.hpp

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00001 //  SuperTux
00002 //  Copyright (C) 2006 Matthias Braun <matze@braunis.de>
00003 //
00004 //  This program is free software: you can redistribute it and/or modify
00005 //  it under the terms of the GNU General Public License as published by
00006 //  the Free Software Foundation, either version 3 of the License, or
00007 //  (at your option) any later version.
00008 //
00009 //  This program is distributed in the hope that it will be useful,
00010 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
00011 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012 //  GNU General Public License for more details.
00013 //
00014 //  You should have received a copy of the GNU General Public License
00015 //  along with this program.  If not, see <http://www.gnu.org/licenses/>.
00016 
00017 #ifndef HEADER_SUPERTUX_VIDEO_TEXTURE_MANAGER_HPP
00018 #define HEADER_SUPERTUX_VIDEO_TEXTURE_MANAGER_HPP
00019 
00020 #include <config.h>
00021 
00022 #include <map>
00023 #include <set>
00024 #include <string>
00025 #include <vector>
00026 #include <boost/weak_ptr.hpp>
00027 
00028 #include "video/glutil.hpp"
00029 #include "video/texture_ptr.hpp"
00030 
00031 class Texture;
00032 class GLTexture;
00033 class Rect;
00034 
00035 class TextureManager
00036 {
00037 public:
00038   TextureManager();
00039   ~TextureManager();
00040 
00041   TexturePtr get(const std::string& filename);
00042   TexturePtr get(const std::string& filename, const Rect& rect);
00043 
00044 #ifdef HAVE_OPENGL
00045   void register_texture(GLTexture* texture);
00046   void remove_texture(GLTexture* texture);
00047 
00048   void save_textures();
00049   void reload_textures();
00050 #endif
00051 
00052 private:
00053   friend class Texture;
00054   void reap_cache_entry(const std::string& filename);
00055 
00056   typedef std::map<std::string, boost::weak_ptr<Texture> > ImageTextures;
00057   ImageTextures image_textures;
00058 
00059   TexturePtr create_image_texture(const std::string& filename, const Rect& rect);
00060 
00062   TexturePtr create_image_texture(const std::string& filename);
00063 
00065   TexturePtr create_image_texture_raw(const std::string& filename);
00066   TexturePtr create_image_texture_raw(const std::string& filename, const Rect& rect);
00067 
00068   TexturePtr create_dummy_texture();
00069   
00070 #ifdef HAVE_OPENGL
00071   typedef std::set<GLTexture*> Textures;
00072   Textures textures;
00073 
00074   struct SavedTexture
00075   {
00076     GLTexture* texture;
00077     GLint width;
00078     GLint height;
00079     char* pixels;
00080     GLint border;
00081 
00082     GLint min_filter;
00083     GLint mag_filter;
00084     GLint wrap_s;
00085     GLint wrap_t;
00086   };
00087   std::vector<SavedTexture> saved_textures;
00088 
00089   void save_texture(GLTexture* texture);
00090 #endif
00091 };
00092 
00093 #endif
00094 
00095 /* EOF */

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