vtkRayCastImageDisplayHelper.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkRayCastImageDisplayHelper.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 vtkRayCastImageDisplayHelper_h
#define vtkRayCastImageDisplayHelper_h
 
#include "vtkObject.h"
#include "vtkRenderingVolumeModule.h" // For export macro
 
class vtkFixedPointRayCastImage;
class vtkRenderer;
class vtkVolume;
class vtkWindow;
 
class VTKRENDERINGVOLUME_EXPORT vtkRayCastImageDisplayHelper : public vtkObject
{
public:
  static vtkRayCastImageDisplayHelper* New();
  vtkTypeMacro(vtkRayCastImageDisplayHelper, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  virtual void RenderTexture(vtkVolume* vol, vtkRenderer* ren, int imageMemorySize[2],
    int imageViewportSize[2], int imageInUseSize[2], int imageOrigin[2], float requestedDepth,
    unsigned char* image) = 0;
 
  virtual void RenderTexture(vtkVolume* vol, vtkRenderer* ren, int imageMemorySize[2],
    int imageViewportSize[2], int imageInUseSize[2], int imageOrigin[2], float requestedDepth,
    unsigned short* image) = 0;
 
  virtual void RenderTexture(
    vtkVolume* vol, vtkRenderer* ren, vtkFixedPointRayCastImage* image, float requestedDepth) = 0;
 
  vtkSetClampMacro(PreMultipliedColors, vtkTypeBool, 0, 1);
  vtkGetMacro(PreMultipliedColors, vtkTypeBool);
  vtkBooleanMacro(PreMultipliedColors, vtkTypeBool);
 
 
  vtkSetMacro(PixelScale, float);
  vtkGetMacro(PixelScale, float);
 
  virtual void ReleaseGraphicsResources(vtkWindow*) {}
 
protected:
  vtkRayCastImageDisplayHelper();
  ~vtkRayCastImageDisplayHelper() override;
 
  vtkTypeBool PreMultipliedColors;
 
  float PixelScale;
 
private:
  vtkRayCastImageDisplayHelper(const vtkRayCastImageDisplayHelper&) = delete;
  void operator=(const vtkRayCastImageDisplayHelper&) = delete;
};
 
#endif