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/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: vtkOpenGLRayCastImageDisplayHelper.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.
=========================================================================*/
// .NAME vtkOpenGLRayCastImageDisplayHelper - OpenGL subclass that draws the image to the screen
// .SECTION Description
// This is the concrete implementation of a ray cast image display helper -
// a helper class responsible for drawing the image to the screen.
// .SECTION see also
// vtkRayCastImageDisplayHelper
#ifndef __vtkOpenGLRayCastImageDisplayHelper_h
#define __vtkOpenGLRayCastImageDisplayHelper_h
#include "vtkRayCastImageDisplayHelper.h"
class vtkVolume;
class vtkRenderer;
class vtkFixedPointRayCastImage;
class VTK_VOLUMERENDERING_EXPORT vtkOpenGLRayCastImageDisplayHelper : public vtkRayCastImageDisplayHelper
{
public:
static vtkOpenGLRayCastImageDisplayHelper *New();
vtkTypeRevisionMacro(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
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