vtkVolumeMapper.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkVolumeMapper.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 vtkVolumeMapper_h
#define vtkVolumeMapper_h
 
#include "vtkRenderingVolumeModule.h" // For export macro
#include "vtkAbstractVolumeMapper.h"
 
class vtkRenderer;
class vtkVolume;
class vtkImageData;
 
#define VTK_CROP_SUBVOLUME              0x0002000
#define VTK_CROP_FENCE                  0x2ebfeba
#define VTK_CROP_INVERTED_FENCE         0x5140145
#define VTK_CROP_CROSS                  0x0417410
#define VTK_CROP_INVERTED_CROSS         0x7be8bef
 
class vtkWindow;
 
class VTKRENDERINGVOLUME_EXPORT vtkVolumeMapper : public vtkAbstractVolumeMapper
{
public:
  vtkTypeMacro(vtkVolumeMapper,vtkAbstractVolumeMapper);
  void PrintSelf( ostream& os, vtkIndent indent );
 
 
  virtual void SetInputData( vtkImageData * );
  virtual void SetInputData( vtkDataSet * );
  vtkImageData *GetInput();
 
 
  vtkSetMacro( BlendMode, int );
  void SetBlendModeToComposite()
    { this->SetBlendMode( vtkVolumeMapper::COMPOSITE_BLEND ); }
  void SetBlendModeToMaximumIntensity()
    { this->SetBlendMode( vtkVolumeMapper::MAXIMUM_INTENSITY_BLEND ); }
  void SetBlendModeToMinimumIntensity()
    { this->SetBlendMode( vtkVolumeMapper::MINIMUM_INTENSITY_BLEND ); }
  void SetBlendModeToAdditive()
    { this->SetBlendMode( vtkVolumeMapper::ADDITIVE_BLEND ); }
  vtkGetMacro( BlendMode, int );
 
 
  vtkSetClampMacro(Cropping,int,0,1);
  vtkGetMacro(Cropping,int);
  vtkBooleanMacro(Cropping,int);
 
 
  vtkSetVector6Macro( CroppingRegionPlanes, double );
  vtkGetVectorMacro(  CroppingRegionPlanes, double, 6 );
 
 
  vtkGetVectorMacro( VoxelCroppingRegionPlanes, double, 6 );
 
 
  vtkSetClampMacro( CroppingRegionFlags, int, 0x0, 0x7ffffff );
  vtkGetMacro( CroppingRegionFlags, int );
  void SetCroppingRegionFlagsToSubVolume()
    {this->SetCroppingRegionFlags( VTK_CROP_SUBVOLUME );};
  void SetCroppingRegionFlagsToFence()
    {this->SetCroppingRegionFlags( VTK_CROP_FENCE );};
  void SetCroppingRegionFlagsToInvertedFence()
    {this->SetCroppingRegionFlags( VTK_CROP_INVERTED_FENCE );};
  void SetCroppingRegionFlagsToCross()
    {this->SetCroppingRegionFlags( VTK_CROP_CROSS );};
  void SetCroppingRegionFlagsToInvertedCross()
    {this->SetCroppingRegionFlags( VTK_CROP_INVERTED_CROSS );};
 
//BTX
 
  virtual void Render(vtkRenderer *ren, vtkVolume *vol)=0;
 
  virtual void ReleaseGraphicsResources(vtkWindow *) {}
 
  enum
  {
    COMPOSITE_BLEND,
    MAXIMUM_INTENSITY_BLEND,
    MINIMUM_INTENSITY_BLEND,
    ADDITIVE_BLEND
  };
//ETX
 
protected:
  vtkVolumeMapper();
  ~vtkVolumeMapper();
 
  int   BlendMode;
 
  // Cropping variables, and a method for converting the world
  // coordinate cropping region planes to voxel coordinates
  int                  Cropping;
  double               CroppingRegionPlanes[6];
  double               VoxelCroppingRegionPlanes[6];
  int                  CroppingRegionFlags;
  void ConvertCroppingRegionPlanesToVoxels();
 
  virtual int FillInputPortInformation(int, vtkInformation*);
 
private:
  vtkVolumeMapper(const vtkVolumeMapper&);  // Not implemented.
  void operator=(const vtkVolumeMapper&);  // Not implemented.
};
 
 
#endif