Crazy Eddie's GUI System
0.8.4
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00001 /*********************************************************************** 00002 created: Sun Jan 11 2009 00003 author: Paul D Turner 00004 *************************************************************************/ 00005 /*************************************************************************** 00006 * Copyright (C) 2004 - 2009 Paul D Turner & The CEGUI Development Team 00007 * 00008 * Permission is hereby granted, free of charge, to any person obtaining 00009 * a copy of this software and associated documentation files (the 00010 * "Software"), to deal in the Software without restriction, including 00011 * without limitation the rights to use, copy, modify, merge, publish, 00012 * distribute, sublicense, and/or sell copies of the Software, and to 00013 * permit persons to whom the Software is furnished to do so, subject to 00014 * the following conditions: 00015 * 00016 * The above copyright notice and this permission notice shall be 00017 * included in all copies or substantial portions of the Software. 00018 * 00019 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 00020 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 00021 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 00022 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR 00023 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 00024 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 00025 * OTHER DEALINGS IN THE SOFTWARE. 00026 ***************************************************************************/ 00027 #ifndef _CEGUIOpenGLTexture_h_ 00028 #define _CEGUIOpenGLTexture_h_ 00029 00030 #include "../../Base.h" 00031 #include "../../Renderer.h" 00032 #include "../../Texture.h" 00033 #include "CEGUI/RendererModules/OpenGL/RendererBase.h" 00034 00035 #if defined(_MSC_VER) 00036 # pragma warning(push) 00037 # pragma warning(disable : 4251) 00038 #endif 00039 00040 // Start of CEGUI namespace section 00041 namespace CEGUI 00042 { 00044 class OPENGL_GUIRENDERER_API OpenGLTexture : public Texture 00045 { 00046 public: 00052 void setOpenGLTexture(GLuint tex, const Sizef& size); 00053 00061 GLuint getOpenGLTexture() const; 00062 00083 void setTextureSize(const Sizef& sz); 00084 00092 void grabTexture(); 00093 00099 void restoreTexture(); 00100 00101 // implement abstract members from base class. 00102 const String& getName() const; 00103 const Sizef& getSize() const; 00104 const Sizef& getOriginalDataSize() const; 00105 const Vector2f& getTexelScaling() const; 00106 void loadFromFile(const String& filename, const String& resourceGroup); 00107 void loadFromMemory(const void* buffer, const Sizef& buffer_size, 00108 PixelFormat pixel_format); 00109 void blitFromMemory(const void* sourceData, const Rectf& area); 00110 void blitToMemory(void* targetData); 00111 bool isPixelFormatSupported(const PixelFormat fmt) const; 00112 00113 protected: 00114 // Friends (to allow construction and destruction) 00115 friend Texture& OpenGLRendererBase::createTexture(const String&); 00116 friend Texture& OpenGLRendererBase::createTexture(const String&, const String&, const String&); 00117 friend Texture& OpenGLRendererBase::createTexture(const String&, const Sizef&); 00118 friend Texture& OpenGLRendererBase::createTexture(const String&, GLuint, const Sizef&); 00119 friend void OpenGLRendererBase::destroyTexture(Texture&); 00120 friend void OpenGLRendererBase::destroyTexture(const String&); 00121 00123 OpenGLTexture(OpenGLRendererBase& owner, const String& name); 00125 OpenGLTexture(OpenGLRendererBase& owner, const String& name, 00126 const String& filename, const String& resourceGroup); 00128 OpenGLTexture(OpenGLRendererBase& owner, const String& name, 00129 const Sizef& size); 00131 OpenGLTexture(OpenGLRendererBase& owner, const String& name, 00132 GLuint tex, const Sizef& size); 00134 virtual ~OpenGLTexture(); 00135 00137 void generateOpenGLTexture(); 00138 00140 void updateCachedScaleValues(); 00141 00143 void cleanupOpenGLTexture(); 00144 00146 void initInternalPixelFormatFields(const PixelFormat fmt); 00147 00149 void setTextureSize_impl(const Sizef& sz); 00150 00151 void loadUncompressedTextureBuffer(const Rectf& dest_area, 00152 const GLvoid* buffer) const; 00153 00154 void loadCompressedTextureBuffer(const Rectf& dest_area, 00155 const GLvoid* buffer) const; 00156 00157 GLsizei getCompressedTextureSize(const Sizef& pixel_size) const; 00158 00160 GLuint d_ogltexture; 00162 Sizef d_size; 00164 uint8* d_grabBuffer; 00166 Sizef d_dataSize; 00168 Vector2f d_texelScaling; 00170 OpenGLRendererBase& d_owner; 00172 const String d_name; 00174 GLenum d_format; 00176 GLenum d_subpixelFormat; 00178 bool d_isCompressed; 00179 }; 00180 00181 } // End of CEGUI namespace section 00182 00183 #if defined(_MSC_VER) 00184 # pragma warning(pop) 00185 #endif 00186 00187 #endif // end of guard _CEGUIOpenGLTexture_h_