Rendering/vtkMesaRenderWindow.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkMesaRenderWindow.h,v $

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
#ifndef __vtkMesaRenderWindow_h
#define __vtkMesaRenderWindow_h

#include "vtkRenderWindow.h"

#include "MangleMesaInclude/gl_mangle.h" // Needed for GLuint
#include <MangleMesaInclude/gl.h> // Needed for GLuint

class vtkIdList;

class VTK_RENDERING_EXPORT vtkMesaRenderWindow : public vtkRenderWindow
{
protected:
  int MultiSamples;
  long OldMonitorSetting;

public:
  vtkTypeRevisionMacro(vtkMesaRenderWindow,vtkRenderWindow);
  void PrintSelf(ostream& os, vtkIndent indent);
  

  static void SetGlobalMaximumNumberOfMultiSamples(int val);
  static int  GetGlobalMaximumNumberOfMultiSamples();


  vtkSetMacro(MultiSamples,int);
  vtkGetMacro(MultiSamples,int);

  virtual void StereoUpdate();


  virtual unsigned char *GetPixelData(int x,int y,int x2,int y2,int front);
  virtual int GetPixelData(int x,int y,int x2,int y2, int front,
                           vtkUnsignedCharArray*);
  virtual int SetPixelData(int x,int y,int x2,int y2,unsigned char *,
                           int front);
  virtual int SetPixelData(int x,int y,int x2,int y2, vtkUnsignedCharArray*,
                           int front);


  virtual float *GetRGBAPixelData(int x,int y,int x2,int y2,int front);
  virtual int GetRGBAPixelData(int x,int y,int x2,int y2, int front,
                               vtkFloatArray* data);
  virtual int SetRGBAPixelData(int x,int y,int x2,int y2,float *,int front,
                                int blend=0);
  virtual int SetRGBAPixelData(int x,int y,int x2,int y2, vtkFloatArray*,
                                int front, int blend=0);
  virtual void ReleaseRGBAPixelData(float *data);
  virtual unsigned char *GetRGBACharPixelData(int x,int y,int x2,int y2,
                                              int front);
  virtual int GetRGBACharPixelData(int x,int y,int x2,int y2, int front,
                                   vtkUnsignedCharArray* data);
  virtual int SetRGBACharPixelData(int x,int y,int x2,int y2,unsigned char *,
                                    int front, int blend=0);  
  virtual int SetRGBACharPixelData(int x,int y,int x2,int y2,
                                   vtkUnsignedCharArray *,
                                   int front, int blend=0);  


  virtual float *GetZbufferData( int x1, int y1, int x2, int y2 );
  virtual int GetZbufferData( int x1, int y1, int x2, int y2, 
                              vtkFloatArray* z );
  virtual int SetZbufferData( int x1, int y1, int x2, int y2, float *buffer );
  virtual int SetZbufferData( int x1, int y1, int x2, int y2, 
                              vtkFloatArray *buffer );

  void MakeCurrent() = 0;
  
  void RegisterTextureResource (GLuint id);

  int GetDepthBufferSize();
  
  virtual void OpenGLInit();
 
protected:
  vtkMesaRenderWindow();
  ~vtkMesaRenderWindow();

  vtkIdList *TextureResourceIds;

  int GetPixelData(int x,int y,int x2,int y2,int front, unsigned char* data);
  int GetZbufferData( int x1, int y1, int x2, int y2, float* z );
  int GetRGBAPixelData(int x,int y,int x2,int y2, int front, float* data);
  int GetRGBACharPixelData(int x,int y,int x2,int y2, int front,
                           unsigned char* data);

private:
  vtkMesaRenderWindow(const vtkMesaRenderWindow&);  // Not implemented.
  void operator=(const vtkMesaRenderWindow&);  // Not implemented.
};

#endif

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