| VRS - The Virtual Rendering System |
| version 3.3 |
00001 /********************************************************************** 00002 VRS - The Virtual Rendering System 00003 Copyright (C) 2001 Computer Graphics Systems Group at the 00004 Hasso-Plattner-Institute, Potsdam, Germany. 00005 This library is free software; you can redistribute it and/or 00006 modify it under the terms of the GNU Lesser General Public 00007 License as published by the Free Software Foundation; either 00008 version 2.1 of the License, or (at your option) any later version. 00009 This library is distributed in the hope that it will be useful, but 00010 WITHOUT ANY WARRANTY; without even the implied warranty of 00011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 00012 See the GNU Lesser General Public License for more details. 00013 You should have received a copy of the GNU Lesser+ General Public 00014 License along with this library; if not, write to the FreeSoftware 00015 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA, 02111-1307, USA. 00016 **********************************************************************/ 00017 // $Id: cameratechnique.h 4633 2005-01-03 01:43:11Z klimetschek $ 00018 // $Date: 2005-01-03 02:43:11 +0100 (Mon, 03 Jan 2005) $ 00019 // $Revision: 4633 $ 00020 // $State$ 00021 // $Author: klimetschek $ 00022 // 00023 // $Log$ 00024 // Revision 1.23 2005/01/03 01:43:07 klimetschek 00025 // - modified win32 project layout, splitted vrs.vcproj into vrs_container, vrs_core, vrs_sg, vrs_image, vrs_opengl and vrs_io 00026 // - removed vrs.vcproj 00027 // minor things: 00028 // - added all glutexamples to vrs4glut.sln 00029 // - fixed some problems in glutexamples 00030 // - removed all project references from all VS projects (using solution wide project dependencies instead) 00031 // 00032 // Revision 1.22 2004/11/05 13:58:09 basch 00033 // Class comment changed (Doxygen style) 00034 // 00035 // Revision 1.21 2004/06/17 12:16:54 kirsch 00036 // global polyattributes are now applied at the beginning of each main pass 00037 // and unapplied at the end of it 00038 // 00039 // Revision 1.20 2004/03/12 16:28:38 baumann 00040 // macros VRS_NAMESPACE_BEGIN/_END expanded and removed 00041 // 00042 // Revision 1.19 2003/11/07 14:19:23 kirsch 00043 // removed leading underscore from include guards 00044 // 00045 // Revision 1.18 2003/07/09 13:32:11 kirsch 00046 // moved functionality of ImmediateCamera, CanvasTransform and PixelCoordinateHandler to Camera 00047 // removed CanvasTransform and PixelCoordinateHandler 00048 // deprecated ImmediateCamera, ResizeHandler and SceneView 00049 // see ChangeLog for more details 00050 // 00051 // Revision 1.17 2003/05/30 11:47:09 kirsch 00052 // made camera member const 00053 // 00054 // Revision 1.16 2003/02/13 20:23:31 skirsch 00055 // improved and corrected the comments 00056 // 00057 // Revision 1.15 2003/01/31 11:27:46 kirsch 00058 // cleanup, made some protected methods const 00059 // 00060 // Revision 1.14 2002/10/29 10:32:51 baumann 00061 // macros VRS_CLASSNAME_* and VRS_IMPL_TYPEINFO_* removed 00062 // 00063 // Revision 1.13 2002/03/13 14:05:22 kirsch 00064 // reapplyOrientationDependingAttributes() can be used more than once 00065 // in a frame now 00066 // 00067 // Revision 1.12 2002/03/13 10:20:56 kirsch 00068 // added reapplyOrientationDependingAttributes() 00069 // 00070 // Revision 1.11 2002/03/03 21:44:24 kosta 00071 // VRS_TYPEINFO-macro rewritten 00072 // 00073 // Revision 1.10 2002/02/19 10:34:07 kosta 00074 // undone all changes since 2002-02-15 00075 // 00076 // Revision 1.7 2002/02/13 16:54:50 kirsch 00077 // changed: Camera contains ResizeHandler 00078 // 00079 // Revision 1.6 2002/01/15 16:25:53 kosta 00080 // macros rewritten for a better namespace support 00081 // 00082 // Revision 1.5 2001/11/13 16:36:30 kirsch 00083 // changed line feed to unix style (removed control-M) 00084 // 00085 // Revision 1.4 2001/09/05 10:56:11 kirsch 00086 // Documentation updates 00087 // 00088 // Revision 1.3 2001/07/30 11:17:25 kirsch 00089 // ResizeHandler and PaneManipulator can now use Camera 00090 // 00091 // Revision 1.2 2001/07/26 15:23:47 kirsch 00092 // added camera-attribute 00093 // 00094 // Revision 1.1.2.1 2001/06/26 20:24:38 kirsch 00095 // Added camera-attribute, painter and technique 00096 // 00097 00098 #ifndef VRS_CAMERATECHNIQUE_H 00099 #define VRS_CAMERATECHNIQUE_H 00100 00101 #include <vrs/technique.h> 00102 #include <vrs/matrix.h> 00103 00104 namespace VRS { 00105 00106 class Camera; 00107 class Viewport; 00108 00112 class VRS_CORE_API CameraTechnique : public Technique { 00113 00114 public: 00115 CameraTechnique(); 00117 00118 virtual void stop(Engine*); 00120 00121 virtual bool preparePass(Engine*); 00124 virtual void finishPass(Engine*); 00126 00127 virtual bool prepareEval(Engine*, const Shape*); 00129 virtual void finishEval(Engine*, const Shape*); 00131 00132 VRS_TYPEINFO(CameraTechnique, Technique); 00133 00134 protected: 00135 00136 friend class CameraPainter; 00137 00138 void announce(const Camera*); 00140 00141 static Matrix projectionTransform(Engine*, const Camera*); 00142 static Matrix aspectTransform(const Camera*, const Viewport*); 00143 static Matrix pixelTransform(const Camera*, const Viewport*); 00144 00145 private: 00146 SO<const Camera> camera_; 00147 }; 00148 00149 } // namespace VRS 00150 00151 #endif // VRS_CAMERATECHNIQUE_H