Crazy Eddie's GUI System  0.8.4
Texture.h
00001 /***********************************************************************
00002     created:    Tue Mar 10 2009
00003     author:     Paul D Turner (parts based on code by Keith Mok)
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 _CEGUIDirectFBTexture_h_
00028 #define _CEGUIDirectFBTexture_h_
00029 
00030 #include "../../Texture.h"
00031 #include "CEGUI/RendererModules/DirectFB/Renderer.h"
00032 
00033 // Start of CEGUI namespace section
00034 namespace CEGUI
00035 {
00036 
00038 class DirectFBTexture : public Texture
00039 {
00040 public:
00042     IDirectFBSurface* getDirectFBSurface() const;
00043 
00044     // implement interface for Texture
00045     const String& getName() const;
00046     const Sizef& getSize() const;
00047     const Sizef& getOriginalDataSize() const;
00048     const Vector2f& getTexelScaling() const;
00049     void loadFromFile(const String& filename, const String& resourceGroup);
00050     void loadFromMemory(const void* buffer, const Sizef& buffer_size,
00051                         PixelFormat pixel_format);
00052     void blitFromMemory(const void* sourceData, const Rectf& area);
00053     void blitToMemory(void* targetData);
00054     bool isPixelFormatSupported(const PixelFormat fmt) const;
00055 
00056 protected:
00057     // friends to allow renderer to construct and destroy texture objects
00058     friend Texture& DirectFBRenderer::createTexture(const String&);
00059     friend Texture& DirectFBRenderer::createTexture(const String&, const String&, const String&);
00060     friend Texture& DirectFBRenderer::createTexture(const String&, const Sizef&);
00061     friend void DirectFBRenderer::destroyTexture(const String&);
00062 
00064     DirectFBTexture(IDirectFB& directfb, const String& name);
00066     DirectFBTexture(IDirectFB& directfb, const String& name,
00067                     const String& filename, const String& resourceGroup);
00069     DirectFBTexture(IDirectFB& directfb, const String& name, const Sizef& size);
00071     ~DirectFBTexture();
00072 
00074     void cleanupDirectFBTexture();
00076     void updateCachedScaleValues();
00077 
00079     IDirectFB& d_directfb;
00081     IDirectFBSurface* d_texture;
00083     Sizef d_size;
00085     Sizef d_dataSize;
00087     Vector2f d_texelScaling;
00089     const String d_name;
00090 };
00091 
00092 } // End of  CEGUI namespace section
00093 
00094 #endif  // end of guard _CEGUIDirectFBTexture_h_
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