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RendererModules/Ogre/RenderTarget.h
1 /***********************************************************************
2  filename: CEGUIOgreRenderTarget.h
3  created: Tue Feb 17 2009
4  author: Paul D Turner
5 *************************************************************************/
6 /***************************************************************************
7  * Copyright (C) 2004 - 2011 Paul D Turner & The CEGUI Development Team
8  *
9  * Permission is hereby granted, free of charge, to any person obtaining
10  * a copy of this software and associated documentation files (the
11  * "Software"), to deal in the Software without restriction, including
12  * without limitation the rights to use, copy, modify, merge, publish,
13  * distribute, sublicense, and/or sell copies of the Software, and to
14  * permit persons to whom the Software is furnished to do so, subject to
15  * the following conditions:
16  *
17  * The above copyright notice and this permission notice shall be
18  * included in all copies or substantial portions of the Software.
19  *
20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
23  * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
24  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
25  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
26  * OTHER DEALINGS IN THE SOFTWARE.
27  ***************************************************************************/
28 #ifndef _CEGUIOgreRenderTarget_h_
29 #define _CEGUIOgreRenderTarget_h_
30 
31 #include "../../RenderTarget.h"
32 #include "CEGUI/RendererModules/Ogre/Renderer.h"
33 #include "../../Rect.h"
34 #include <OgreMatrix4.h>
35 
36 // Start of CEGUI namespace section
37 namespace CEGUI
38 {
40 template <typename T = RenderTarget>
41 class OGRE_GUIRENDERER_API OgreRenderTarget : public T
42 {
43 public:
45  OgreRenderTarget(OgreRenderer& owner, Ogre::RenderSystem& rs);
46 
48  virtual ~OgreRenderTarget();
49 
63  void setOgreViewportDimensions(const Rectf& area);
64 
65  // implement parts of CEGUI::RenderTarget interface
66  void draw(const GeometryBuffer& buffer);
67  void draw(const RenderQueue& queue);
68  void setArea(const Rectf& area);
69  const Rectf& getArea() const;
70  void activate();
71  void deactivate();
72  void unprojectPoint(const GeometryBuffer& buff,
73  const Vector2f& p_in, Vector2f& p_out) const;
74 
75 protected:
77  void updateMatrix() const;
79  void updateViewport();
81  void updateOgreViewportDimensions(const Ogre::RenderTarget* const rt);
82 
84  OgreRenderer& d_owner;
86  Ogre::RenderSystem& d_renderSystem;
88  Rectf d_area;
90  Ogre::RenderTarget* d_renderTarget;
92  Ogre::Viewport* d_viewport;
94  mutable Ogre::Matrix4 d_matrix;
96  mutable bool d_matrixValid;
98  mutable float d_viewDistance;
100  bool d_viewportValid;
102  Rectf d_ogreViewportDimensions;
103 };
104 
105 } // End of CEGUI namespace section
106 
107 #endif // end of guard _CEGUIOgreRenderTarget_h_