dox/VolumeRendering/vtkMesaRayCastImageDisplayHelper.h

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

  Program:   Visualization Toolkit
  Module:    vtkMesaRayCastImageDisplayHelper.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 __vtkMesaRayCastImageDisplayHelper_h
#define __vtkMesaRayCastImageDisplayHelper_h

#include "vtkRayCastImageDisplayHelper.h"

class vtkVolume;
class vtkRenderer;
class vtkFixedPointRayCastImage;

class VTK_VOLUMERENDERING_EXPORT vtkMesaRayCastImageDisplayHelper : public vtkRayCastImageDisplayHelper
{
public:
  static vtkMesaRayCastImageDisplayHelper *New();
  vtkTypeMacro(vtkMesaRayCastImageDisplayHelper,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:
  vtkMesaRayCastImageDisplayHelper();
  ~vtkMesaRayCastImageDisplayHelper();
  
  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:
  vtkMesaRayCastImageDisplayHelper(const vtkMesaRayCastImageDisplayHelper&);  // Not implemented.
  void operator=(const vtkMesaRayCastImageDisplayHelper&);  // Not implemented.
};

#endif

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