Crazy Eddies GUI System  0.7.2
CEGUIOpenGLRenderTarget.h
1 /***********************************************************************
2  filename: CEGUIOpenGLRenderTarget.h
3  created: Wed Jan 14 2009
4  author: Paul D Turner
5 *************************************************************************/
6 /***************************************************************************
7  * Copyright (C) 2004 - 2009 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 _CEGUIOpenGLRenderTarget_h_
29 #define _CEGUIOpenGLRenderTarget_h_
30 
31 #include "CEGUIOpenGLRenderer.h"
32 #include "../../CEGUIRenderTarget.h"
33 #include "../../CEGUIRect.h"
34 
35 // Start of CEGUI namespace section
36 namespace CEGUI
37 {
42 class OPENGL_GUIRENDERER_API OpenGLRenderTarget : public virtual RenderTarget
43 {
44 public:
47 
48  // implement parts of RenderTarget interface
49  void draw(const GeometryBuffer& buffer);
50  void draw(const RenderQueue& queue);
51  void setArea(const Rect& area);
52  const Rect& getArea() const;
53  void activate();
54  void deactivate();
55  void unprojectPoint(const GeometryBuffer& buff,
56  const Vector2& p_in, Vector2& p_out) const;
57 
58 protected:
60  virtual void updateMatrix() const;
61 
67  static const double d_yfov_tan;
69  mutable double d_matrix[16];
71  mutable bool d_matrixValid;
73  mutable double d_viewDistance;
74 };
75 
76 } // End of CEGUI namespace section
77 
78 #endif // end of guard _CEGUIOpenGLRenderTarget_h_