dox/Rendering/vtkOpenGLTexture.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkOpenGLTexture.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 __vtkOpenGLTexture_h
#define __vtkOpenGLTexture_h

#include "vtkTexture.h"
//BTX
#include "vtkWeakPointer.h" // needed for vtkWeakPointer.
//ETX

class vtkWindow;
class vtkOpenGLRenderer;
class vtkRenderWindow;

class VTK_RENDERING_EXPORT vtkOpenGLTexture : public vtkTexture
{
public:
  static vtkOpenGLTexture *New();
  vtkTypeRevisionMacro(vtkOpenGLTexture,vtkTexture);
  virtual void PrintSelf(ostream& os, vtkIndent indent);

  void Load(vtkRenderer *ren);
  
  void ReleaseGraphicsResources(vtkWindow *);

  

  vtkGetMacro(Index, long);
//BTX
protected:
  vtkOpenGLTexture();
  ~vtkOpenGLTexture();

  unsigned char *ResampleToPowerOfTwo(int &xsize, int &ysize, 
                                      unsigned char *dptr, int bpp);

  vtkTimeStamp   LoadTime;
  long          Index;
  vtkWeakPointer<vtkRenderWindow> RenderWindow;   // RenderWindow used for previous render
private:
  vtkOpenGLTexture(const vtkOpenGLTexture&);  // Not implemented.
  void operator=(const vtkOpenGLTexture&);  // Not implemented.
//ETX
};

#endif

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