Crazy Eddie's GUI System  0.8.4
RenderTarget.h
00001 /***********************************************************************
00002     created:    Tue Feb 17 2009
00003     author:     Paul D Turner
00004 *************************************************************************/
00005 /***************************************************************************
00006  *   Copyright (C) 2004 - 2011 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 _CEGUIOgreRenderTarget_h_
00028 #define _CEGUIOgreRenderTarget_h_
00029 
00030 #include "../../RenderTarget.h"
00031 #include "CEGUI/RendererModules/Ogre/Renderer.h"
00032 #include "../../Rect.h"
00033 #include <OgreMatrix4.h>
00034 
00035 // Start of CEGUI namespace section
00036 namespace CEGUI
00037 {
00039 template <typename T = RenderTarget>
00040 class OGRE_GUIRENDERER_API OgreRenderTarget : public T
00041 {
00042 public:
00044     OgreRenderTarget(OgreRenderer& owner, Ogre::RenderSystem& rs);
00045 
00047     virtual ~OgreRenderTarget();
00048 
00062     void setOgreViewportDimensions(const Rectf& area);
00063 
00064     // implement parts of CEGUI::RenderTarget interface
00065     void draw(const GeometryBuffer& buffer);
00066     void draw(const RenderQueue& queue);
00067     void setArea(const Rectf& area);
00068     const Rectf& getArea() const;
00069     void activate();
00070     void deactivate();
00071     void unprojectPoint(const GeometryBuffer& buff,
00072                         const Vector2f& p_in, Vector2f& p_out) const;
00073 
00074 protected:
00076     void updateMatrix() const;
00078     void updateViewport();
00080     void updateOgreViewportDimensions(const Ogre::RenderTarget* const rt);
00081 
00083     OgreRenderer& d_owner;
00085     Ogre::RenderSystem& d_renderSystem;
00087     Rectf d_area;
00089     Ogre::RenderTarget* d_renderTarget;
00091     Ogre::Viewport* d_viewport;
00093     mutable Ogre::Matrix4 d_matrix;
00095     mutable bool d_matrixValid;
00097     mutable float d_viewDistance;
00099     bool d_viewportValid;
00101     Rectf d_ogreViewportDimensions;
00102 };
00103 
00104 } // End of  CEGUI namespace section
00105 
00106 #endif  // end of guard _CEGUIOgreRenderTarget_h_
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