vtkOpenGLRayCastImageDisplayHelper.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkOpenGLRayCastImageDisplayHelper.h
 
  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 vtkOpenGLRayCastImageDisplayHelper_h
#define vtkOpenGLRayCastImageDisplayHelper_h
 
#include "vtkRenderingVolumeOpenGLModule.h" // For export macro
#include "vtkRayCastImageDisplayHelper.h"
 
class vtkVolume;
class vtkRenderer;
class vtkFixedPointRayCastImage;
 
class VTKRENDERINGVOLUMEOPENGL_EXPORT vtkOpenGLRayCastImageDisplayHelper
  : public vtkRayCastImageDisplayHelper
{
public:
  static vtkOpenGLRayCastImageDisplayHelper *New();
  vtkTypeMacro(vtkOpenGLRayCastImageDisplayHelper,vtkRayCastImageDisplayHelper);
  virtual void PrintSelf(ostream& os, vtkIndent indent);
 
  void RenderTexture( vtkVolume *vol, vtkRenderer *ren,
                      int imageMemorySize[2],
                      int imageViewportSize[2],
                      int imageInUseSize[2],
                      int imageOrigin[2],
                      float requestedDepth,
                      unsigned char *image );
 
  void RenderTexture( vtkVolume *vol, vtkRenderer *ren,
                      int imageMemorySize[2],
                      int imageViewportSize[2],
                      int imageInUseSize[2],
                      int imageOrigin[2],
                      float requestedDepth,
                      unsigned short *image );
 
  void RenderTexture( vtkVolume *vol, vtkRenderer *ren,
                      vtkFixedPointRayCastImage *image,
                      float requestedDepth );
 
protected:
  vtkOpenGLRayCastImageDisplayHelper();
  ~vtkOpenGLRayCastImageDisplayHelper();
 
  void RenderTextureInternal( vtkVolume *vol, vtkRenderer *ren,
                              int imageMemorySize[2],
                              int imageViewportSize[2],
                              int imageInUseSize[2],
                              int imageOrigin[2],
                              float requestedDepth,
                              int imageScalarType,
                              void *image );
 
private:
  vtkOpenGLRayCastImageDisplayHelper(const vtkOpenGLRayCastImageDisplayHelper&);  // Not implemented.
  void operator=(const vtkOpenGLRayCastImageDisplayHelper&);  // Not implemented.
};
 
#endif