vtkMultiBlockVolumeMapper.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkMultiBlockVolumeMapper.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 vtkMultiBlockVolumeMapper_h
#define vtkMultiBlockVolumeMapper_h
 
#include <vector> // For DataBlocks
 
#include "vtkRenderingVolumeOpenGL2Module.h" // For export macro
#include "vtkVolumeMapper.h"
 
class vtkDataObjectTree;
class vtkDataSet;
class vtkImageData;
class vtkMultiBlockDataSet;
class vtkSmartVolumeMapper;
 
class VTKRENDERINGVOLUMEOPENGL2_EXPORT vtkMultiBlockVolumeMapper : public vtkVolumeMapper
{
public:
  static vtkMultiBlockVolumeMapper* New();
  vtkTypeMacro(vtkMultiBlockVolumeMapper, vtkVolumeMapper);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
  double* GetBounds() override;
  using vtkAbstractVolumeMapper::GetBounds;
 
  void SelectScalarArray(int arrayNum) override;
  void SelectScalarArray(char const* arrayName) override;
  void SetScalarMode(int ScalarMode) override;
  void SetArrayAccessMode(int accessMode) override;
 
  void Render(vtkRenderer* ren, vtkVolume* vol) override;
 
  void ReleaseGraphicsResources(vtkWindow* window) override;
 
 
  void SetVectorMode(int mode);
  vtkGetMacro(VectorMode, int);
  void SetVectorComponent(int component);
  vtkGetMacro(VectorComponent, int);
 
 
  void SetBlendMode(int mode) override;
 
 
  void SetCropping(vtkTypeBool mode) override;
 
  void SetCroppingRegionPlanes(
    double arg1, double arg2, double arg3, double arg4, double arg5, double arg6) override;
  void SetCroppingRegionPlanes(const double* planes) override;
 
  void SetCroppingRegionFlags(int mode) override;
 
 
  void SetRequestedRenderMode(int);
 
protected:
  vtkMultiBlockVolumeMapper();
  ~vtkMultiBlockVolumeMapper() override;
 
  int FillInputPortInformation(int port, vtkInformation* info) override;
 
private:
  void LoadDataSet(vtkRenderer* ren, vtkVolume* vol);
 
  void CreateMappers(vtkDataObjectTree* input, vtkRenderer* ren, vtkVolume* vol);
 
  vtkDataObjectTree* GetDataObjectTreeInput();
 
  void ComputeBounds();
 
  void SortMappers(vtkRenderer* ren, vtkMatrix4x4* volumeMat);
 
  void ClearMappers();
 
  vtkSmartVolumeMapper* CreateMapper();
 
  vtkMultiBlockVolumeMapper(const vtkMultiBlockVolumeMapper&) = delete;
  void operator=(const vtkMultiBlockVolumeMapper&) = delete;
 
 
  typedef std::vector<vtkSmartVolumeMapper*> MapperVec;
  MapperVec Mappers;
  vtkSmartVolumeMapper* FallBackMapper;
 
  vtkMTimeType BlockLoadingTime;
  vtkMTimeType BoundsComputeTime;
 
  int VectorMode;
  int VectorComponent;
  int RequestedRenderMode;
};
#endif