dox / Rendering
vtkOpenGLRenderWindow.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkOpenGLRenderWindow.h,v $
00005 
00006   Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
00007   All rights reserved.
00008   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
00009 
00010      This software is distributed WITHOUT ANY WARRANTY; without even
00011      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00012      PURPOSE.  See the above copyright notice for more information.
00013 
00014 =========================================================================*/
00038 #ifndef __vtkOpenGLRenderWindow_h
00039 #define __vtkOpenGLRenderWindow_h
00040 
00041 #include "vtkRenderWindow.h"
00042 
00043 #if defined(__APPLE__) && (defined(VTK_USE_CARBON) || defined(VTK_USE_COCOA))
00044 #include <OpenGL/gl.h> // Needed for GLuint
00045 #else
00046 #include <GL/gl.h> // Needed for GLuint
00047 #endif
00048 
00049 class vtkIdList;
00050 
00051 class VTK_RENDERING_EXPORT vtkOpenGLRenderWindow : public vtkRenderWindow
00052 {
00053 protected:
00054   int MultiSamples;
00055   long OldMonitorSetting;
00056 
00057 public:
00058   vtkTypeRevisionMacro(vtkOpenGLRenderWindow,vtkRenderWindow);
00059   void PrintSelf(ostream& os, vtkIndent indent);
00060 
00062 
00063   static void SetGlobalMaximumNumberOfMultiSamples(int val);
00064   static int  GetGlobalMaximumNumberOfMultiSamples();
00066 
00068 
00070   vtkSetMacro(MultiSamples,int);
00071   vtkGetMacro(MultiSamples,int);
00073 
00075   virtual void StereoUpdate();
00076 
00078 
00079   virtual unsigned char *GetPixelData(int x,int y,int x2,int y2,int front);
00080   virtual int GetPixelData(int x,int y,int x2,int y2, int front,
00081                            vtkUnsignedCharArray*);
00082   virtual int SetPixelData(int x,int y,int x2,int y2,unsigned char *,
00083                            int front);
00084   virtual int SetPixelData(int x,int y,int x2,int y2, vtkUnsignedCharArray*,
00085                            int front);
00087 
00089 
00090   virtual float *GetRGBAPixelData(int x,int y,int x2,int y2,int front);
00091   virtual int GetRGBAPixelData(int x,int y,int x2,int y2, int front,
00092                                vtkFloatArray* data);
00093   virtual int SetRGBAPixelData(int x,int y,int x2,int y2,float *,int front,
00094                                int blend=0);
00095   virtual int SetRGBAPixelData(int x,int y,int x2,int y2, vtkFloatArray*,
00096                                int front, int blend=0);
00097   virtual void ReleaseRGBAPixelData(float *data);
00098   virtual unsigned char *GetRGBACharPixelData(int x,int y,int x2,int y2,
00099                                               int front);
00100   virtual int GetRGBACharPixelData(int x,int y,int x2,int y2, int front,
00101                                    vtkUnsignedCharArray* data);
00102   virtual int SetRGBACharPixelData(int x,int y,int x2,int y2,unsigned char *,
00103                                    int front, int blend=0);  
00104   virtual int SetRGBACharPixelData(int x,int y,int x2,int y2,
00105                                    vtkUnsignedCharArray *,
00106                                    int front, int blend=0);  
00108 
00110 
00111   virtual float *GetZbufferData( int x1, int y1, int x2, int y2 );
00112   virtual int GetZbufferData( int x1, int y1, int x2, int y2,
00113                               vtkFloatArray* z );
00114   virtual int SetZbufferData( int x1, int y1, int x2, int y2, float *buffer );
00115   virtual int SetZbufferData( int x1, int y1, int x2, int y2,
00116                               vtkFloatArray *buffer );
00118 
00120   void MakeCurrent() = 0;
00121   
00123   void RegisterTextureResource (GLuint id);
00124 
00126   int GetDepthBufferSize();
00127   
00129   virtual void OpenGLInit();
00130 
00131 protected:
00132   vtkOpenGLRenderWindow();
00133   ~vtkOpenGLRenderWindow();
00134 
00135   vtkIdList *TextureResourceIds;
00136 
00137   int GetPixelData(int x,int y,int x2,int y2,int front, unsigned char* data);
00138   int GetZbufferData( int x1, int y1, int x2, int y2, float* z );
00139   int GetRGBAPixelData(int x,int y,int x2,int y2, int front, float* data);
00140   int GetRGBACharPixelData(int x,int y,int x2,int y2, int front,
00141                            unsigned char* data);
00142 
00143 private:
00144   vtkOpenGLRenderWindow(const vtkOpenGLRenderWindow&);  // Not implemented.
00145   void operator=(const vtkOpenGLRenderWindow&);  // Not implemented.
00146 };
00147 
00148 #endif