1 // 2 // Copyright (C) 2009-2011 Nick Gasson 3 // 4 // This program is free software: you can redistribute it and/or modify 5 // it under the terms of the GNU General Public License as published by 6 // the Free Software Foundation, either version 3 of the License, or 7 // (at your option) any later version. 8 // 9 // This program is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU General Public License for more details. 13 // 14 // You should have received a copy of the GNU General Public License 15 // along with this program. If not, see <http://www.gnu.org/licenses/>. 16 // 17 18 #ifndef INC_ITEXTURE_HPP 19 #define INC_ITEXTURE_HPP 20 21 #include "Platform.hpp" 22 #include "IResource.hpp" 23 24 #include <string> 25 26 // Abstract interface to textures 27 struct ITexture { ~ITextureITexture28 virtual ~ITexture() {} 29 30 // Bind this texture to the current OpenGL texture 31 virtual void bind() = 0; 32 33 virtual int width() const = 0; 34 virtual int height() const = 0; 35 }; 36 37 typedef shared_ptr<ITexture> ITexturePtr; 38 39 // Load a texture and return a pointer to 40 // A texture will only be loaded at most once no matter how many 41 // times this is called 42 ITexturePtr load_texture(const string& a_file_name); 43 44 // Load a texture from a resource 45 ITexturePtr load_texture(IResourcePtr a_res, const string& a_file_name); 46 47 // Generate Perlin noise 48 ITexturePtr make_noise_texture(int size, int resolution, int base, int range); 49 50 #endif 51