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Rendering/vtkOpenGLRenderer.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkOpenGLRenderer.h,v $
00005   Language:  C++
00006 
00007 
00008 Copyright (c) 1993-2001 Ken Martin, Will Schroeder, Bill Lorensen 
00009 All rights reserved.
00010 
00011 Redistribution and use in source and binary forms, with or without
00012 modification, are permitted provided that the following conditions are met:
00013 
00014  * Redistributions of source code must retain the above copyright notice,
00015    this list of conditions and the following disclaimer.
00016 
00017  * Redistributions in binary form must reproduce the above copyright notice,
00018    this list of conditions and the following disclaimer in the documentation
00019    and/or other materials provided with the distribution.
00020 
00021  * Neither name of Ken Martin, Will Schroeder, or Bill Lorensen nor the names
00022    of any contributors may be used to endorse or promote products derived
00023    from this software without specific prior written permission.
00024 
00025  * Modified source versions must be plainly marked as such, and must not be
00026    misrepresented as being the original software.
00027 
00028 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
00029 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00030 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00031 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
00032 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00033 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
00034 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00035 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00036 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00037 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00038 
00039 =========================================================================*/
00050 #ifndef __vtkOpenGLRenderer_h
00051 #define __vtkOpenGLRenderer_h
00052 
00053 #include <stdlib.h>
00054 #include "vtkRenderer.h"
00055 
00056 class VTK_RENDERING_EXPORT vtkOpenGLRenderer : public vtkRenderer
00057 {
00058 protected:
00059   int NumberOfLightsBound;
00060 
00061 public:
00062   static vtkOpenGLRenderer *New();
00063   vtkTypeMacro(vtkOpenGLRenderer,vtkRenderer);
00064   void PrintSelf(ostream& os, vtkIndent indent);
00065 
00067   void DeviceRender(void); 
00068 
00071   void ClearLights(void);
00072 
00073   void Clear(void);
00074 
00076   int UpdateLights(void);
00077   
00078 protected:
00079   vtkOpenGLRenderer();
00080   ~vtkOpenGLRenderer();
00081 
00082   //BTX
00083   // Picking functions to be implemented by sub-classes
00084   virtual void DevicePickRender();
00085   virtual void StartPick(unsigned int pickFromSize);
00086   virtual void UpdatePickId();
00087   virtual void DonePick();
00088   virtual unsigned int GetPickedId();
00089   virtual float GetPickedZ();
00090   // Ivars used in picking
00091   class vtkGLPickInfo* PickInfo;
00092   //ETX
00093   float PickedZ;
00094 private:
00095   vtkOpenGLRenderer(const vtkOpenGLRenderer&);  // Not implemented.
00096   void operator=(const vtkOpenGLRenderer&);  // Not implemented.
00097 };
00098 
00099 #endif

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