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Rendering/vtkOpenGLRenderWindow.h

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 =========================================================================*/
00042 #ifndef __vtkOpenGLRenderWindow_h
00043 #define __vtkOpenGLRenderWindow_h
00044 
00045 #include "vtkRenderWindow.h"
00046 
00047 #if defined(__APPLE__) && (defined(VTK_USE_CARBON) || defined(VTK_USE_COCOA))
00048 #include <OpenGL/gl.h> // Needed for GLuint
00049 #else
00050 #include <GL/gl.h> // Needed for GLuint
00051 #endif
00052 
00053 class vtkIdList;
00054 
00055 class VTK_RENDERING_EXPORT vtkOpenGLRenderWindow : public vtkRenderWindow
00056 {
00057 protected:
00058   int MultiSamples;
00059   long OldMonitorSetting;
00060 
00061 public:
00062   vtkTypeRevisionMacro(vtkOpenGLRenderWindow,vtkRenderWindow);
00063   void PrintSelf(ostream& os, vtkIndent indent);
00064 
00066 
00067   static void SetGlobalMaximumNumberOfMultiSamples(int val);
00068   static int  GetGlobalMaximumNumberOfMultiSamples();
00070 
00072 
00074   vtkSetMacro(MultiSamples,int);
00075   vtkGetMacro(MultiSamples,int);
00077 
00079   virtual void StereoUpdate();
00080 
00082 
00083   virtual unsigned char *GetPixelData(int x,int y,int x2,int y2,int front);
00084   virtual int GetPixelData(int x,int y,int x2,int y2, int front,
00085                            vtkUnsignedCharArray*);
00086   virtual int SetPixelData(int x,int y,int x2,int y2,unsigned char *,
00087                            int front);
00088   virtual int SetPixelData(int x,int y,int x2,int y2, vtkUnsignedCharArray*,
00089                            int front);
00091 
00093 
00094   virtual float *GetRGBAPixelData(int x,int y,int x2,int y2,int front);
00095   virtual int GetRGBAPixelData(int x,int y,int x2,int y2, int front,
00096                                vtkFloatArray* data);
00097   virtual int SetRGBAPixelData(int x,int y,int x2,int y2,float *,int front,
00098                                int blend=0);
00099   virtual int SetRGBAPixelData(int x,int y,int x2,int y2, vtkFloatArray*,
00100                                int front, int blend=0);
00101   virtual void ReleaseRGBAPixelData(float *data);
00102   virtual unsigned char *GetRGBACharPixelData(int x,int y,int x2,int y2,
00103                                               int front);
00104   virtual int GetRGBACharPixelData(int x,int y,int x2,int y2, int front,
00105                                    vtkUnsignedCharArray* data);
00106   virtual int SetRGBACharPixelData(int x,int y,int x2,int y2,unsigned char *,
00107                                    int front, int blend=0);  
00108   virtual int SetRGBACharPixelData(int x,int y,int x2,int y2,
00109                                    vtkUnsignedCharArray *,
00110                                    int front, int blend=0);  
00112 
00114 
00115   virtual float *GetZbufferData( int x1, int y1, int x2, int y2 );
00116   virtual int GetZbufferData( int x1, int y1, int x2, int y2,
00117                               vtkFloatArray* z );
00118   virtual int SetZbufferData( int x1, int y1, int x2, int y2, float *buffer );
00119   virtual int SetZbufferData( int x1, int y1, int x2, int y2,
00120                               vtkFloatArray *buffer );
00122 
00124   void MakeCurrent() = 0;
00125   
00127   void RegisterTextureResource (GLuint id);
00128 
00130   int GetDepthBufferSize();
00131   
00133   virtual void OpenGLInit();
00134 
00135 protected:
00136   vtkOpenGLRenderWindow();
00137   ~vtkOpenGLRenderWindow();
00138 
00139   vtkIdList *TextureResourceIds;
00140 
00141   int GetPixelData(int x,int y,int x2,int y2,int front, unsigned char* data);
00142   int GetZbufferData( int x1, int y1, int x2, int y2, float* z );
00143   int GetRGBAPixelData(int x,int y,int x2,int y2, int front, float* data);
00144   int GetRGBACharPixelData(int x,int y,int x2,int y2, int front,
00145                            unsigned char* data);
00146 
00147 private:
00148   vtkOpenGLRenderWindow(const vtkOpenGLRenderWindow&);  // Not implemented.
00149   void operator=(const vtkOpenGLRenderWindow&);  // Not implemented.
00150 };
00151 
00152 #endif