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Rendering/vtkOpenGLRenderWindow.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkOpenGLRenderWindow.h,v $
00005   Language:  C++
00006 
00007   Copyright (c) 1993-2002 Ken Martin, Will Schroeder, Bill Lorensen 
00008   All rights reserved.
00009   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
00010 
00011      This software is distributed WITHOUT ANY WARRANTY; without even 
00012      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00013      PURPOSE.  See the above copyright notice for more information.
00014 
00015 =========================================================================*/
00028 #ifndef __vtkOpenGLRenderWindow_h
00029 #define __vtkOpenGLRenderWindow_h
00030 
00031 #include "vtkRenderWindow.h"
00032 
00033 #if defined(__APPLE__) && (defined(VTK_USE_CARBON) || defined(VTK_USE_COCOA))
00034 #include <OpenGL/gl.h> // Needed for GLuint
00035 #else
00036 #include <GL/gl.h> // Needed for GLuint
00037 #endif
00038 
00039 class vtkIdList;
00040 
00041 class VTK_RENDERING_EXPORT vtkOpenGLRenderWindow : public vtkRenderWindow
00042 {
00043 protected:
00044   int MultiSamples;
00045   long OldMonitorSetting;
00046 
00047 public:
00048   vtkTypeRevisionMacro(vtkOpenGLRenderWindow,vtkRenderWindow);
00049   void PrintSelf(ostream& os, vtkIndent indent);
00050 
00052 
00053   static void SetGlobalMaximumNumberOfMultiSamples(int val);
00054   static int  GetGlobalMaximumNumberOfMultiSamples();
00056 
00058 
00060   vtkSetMacro(MultiSamples,int);
00061   vtkGetMacro(MultiSamples,int);
00063 
00065   virtual void StereoUpdate();
00066 
00068 
00069   virtual unsigned char *GetPixelData(int x,int y,int x2,int y2,int front);
00070   virtual int GetPixelData(int x,int y,int x2,int y2, int front,
00071                            vtkUnsignedCharArray*);
00072   virtual int SetPixelData(int x,int y,int x2,int y2,unsigned char *,
00073                            int front);
00074   virtual int SetPixelData(int x,int y,int x2,int y2, vtkUnsignedCharArray*,
00075                            int front);
00077 
00079 
00080   virtual float *GetRGBAPixelData(int x,int y,int x2,int y2,int front);
00081   virtual int GetRGBAPixelData(int x,int y,int x2,int y2, int front,
00082                                vtkFloatArray* data);
00083   virtual int SetRGBAPixelData(int x,int y,int x2,int y2,float *,int front,
00084                                int blend=0);
00085   virtual int SetRGBAPixelData(int x,int y,int x2,int y2, vtkFloatArray*,
00086                                int front, int blend=0);
00087   virtual void ReleaseRGBAPixelData(float *data);
00088   virtual unsigned char *GetRGBACharPixelData(int x,int y,int x2,int y2,
00089                                               int front);
00090   virtual int GetRGBACharPixelData(int x,int y,int x2,int y2, int front,
00091                                    vtkUnsignedCharArray* data);
00092   virtual int SetRGBACharPixelData(int x,int y,int x2,int y2,unsigned char *,
00093                                    int front, int blend=0);  
00094   virtual int SetRGBACharPixelData(int x,int y,int x2,int y2,
00095                                    vtkUnsignedCharArray *,
00096                                    int front, int blend=0);  
00098 
00100 
00101   virtual float *GetZbufferData( int x1, int y1, int x2, int y2 );
00102   virtual int GetZbufferData( int x1, int y1, int x2, int y2,
00103                               vtkFloatArray* z );
00104   virtual int SetZbufferData( int x1, int y1, int x2, int y2, float *buffer );
00105   virtual int SetZbufferData( int x1, int y1, int x2, int y2,
00106                               vtkFloatArray *buffer );
00108 
00110   void MakeCurrent() = 0;
00111   
00113   void RegisterTextureResource (GLuint id);
00114 
00116   int GetDepthBufferSize();
00117   
00119   virtual void OpenGLInit();
00120 
00121 protected:
00122   vtkOpenGLRenderWindow();
00123   ~vtkOpenGLRenderWindow();
00124 
00125   vtkIdList *TextureResourceIds;
00126 
00127   int GetPixelData(int x,int y,int x2,int y2,int front, unsigned char* data);
00128   int GetZbufferData( int x1, int y1, int x2, int y2, float* z );
00129   int GetRGBAPixelData(int x,int y,int x2,int y2, int front, float* data);
00130   int GetRGBACharPixelData(int x,int y,int x2,int y2, int front,
00131                            unsigned char* data);
00132 
00133 private:
00134   vtkOpenGLRenderWindow(const vtkOpenGLRenderWindow&);  // Not implemented.
00135   void operator=(const vtkOpenGLRenderWindow&);  // Not implemented.
00136 };
00137 
00138 #endif