Crazy Eddies GUI System 0.7.6
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00001 /*********************************************************************** 00002 filename: CEGUIOpenGLTexture.h 00003 created: Sun Jan 11 2009 00004 author: Paul D Turner 00005 *************************************************************************/ 00006 /*************************************************************************** 00007 * Copyright (C) 2004 - 2009 Paul D Turner & The CEGUI Development Team 00008 * 00009 * Permission is hereby granted, free of charge, to any person obtaining 00010 * a copy of this software and associated documentation files (the 00011 * "Software"), to deal in the Software without restriction, including 00012 * without limitation the rights to use, copy, modify, merge, publish, 00013 * distribute, sublicense, and/or sell copies of the Software, and to 00014 * permit persons to whom the Software is furnished to do so, subject to 00015 * the following conditions: 00016 * 00017 * The above copyright notice and this permission notice shall be 00018 * included in all copies or substantial portions of the Software. 00019 * 00020 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 00021 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 00022 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 00023 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR 00024 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 00025 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 00026 * OTHER DEALINGS IN THE SOFTWARE. 00027 ***************************************************************************/ 00028 #ifndef _CEGUIOpenGLTexture_h_ 00029 #define _CEGUIOpenGLTexture_h_ 00030 00031 #include "../../CEGUIBase.h" 00032 #include "../../CEGUIRenderer.h" 00033 #include "../../CEGUITexture.h" 00034 #include "CEGUIOpenGLRenderer.h" 00035 00036 // Start of CEGUI namespace section 00037 namespace CEGUI 00038 { 00040 class OPENGL_GUIRENDERER_API OpenGLTexture : public Texture 00041 { 00042 public: 00048 void setOpenGLTexture(GLuint tex, const Size& size); 00049 00057 GLuint getOpenGLTexture() const; 00058 00079 void setTextureSize(const Size& sz); 00080 00088 void grabTexture(); 00089 00095 void restoreTexture(); 00096 00097 // implement abstract members from base class. 00098 const Size& getSize() const; 00099 const Size& getOriginalDataSize() const; 00100 const Vector2& getTexelScaling() const; 00101 void loadFromFile(const String& filename, const String& resourceGroup); 00102 void loadFromMemory(const void* buffer, const Size& buffer_size, 00103 PixelFormat pixel_format); 00104 void saveToMemory(void* buffer); 00105 00106 protected: 00107 // Friends (to allow construction and destruction) 00108 friend Texture& OpenGLRenderer::createTexture(void); 00109 friend Texture& OpenGLRenderer::createTexture(const String&, const String&); 00110 friend Texture& OpenGLRenderer::createTexture(const Size&); 00111 friend Texture& OpenGLRenderer::createTexture(GLuint, const Size&); 00112 friend void OpenGLRenderer::destroyTexture(Texture&); 00113 00115 OpenGLTexture(OpenGLRenderer& owner); 00117 OpenGLTexture(OpenGLRenderer& owner, 00118 const String& filename, const String& resourceGroup); 00120 OpenGLTexture(OpenGLRenderer& owner, const Size& size); 00122 OpenGLTexture(OpenGLRenderer& owner, GLuint tex, const Size& size); 00124 virtual ~OpenGLTexture(); 00125 00127 void generateOpenGLTexture(); 00128 00130 void updateCachedScaleValues(); 00131 00133 void cleanupOpenGLTexture(); 00134 00136 GLuint d_ogltexture; 00138 Size d_size; 00140 uint8* d_grabBuffer; 00142 Size d_dataSize; 00144 Vector2 d_texelScaling; 00146 OpenGLRenderer& d_owner; 00147 }; 00148 00149 } // End of CEGUI namespace section 00150 00151 00152 #endif // end of guard _CEGUIOpenGLTexture_h_