Crazy Eddies GUI System: CEGUIOpenGLTexture.h Source File

Crazy Eddies GUI System 0.7.6

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CEGUIOpenGLTexture.h

    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_