vtkUnstructuredGridVolumeMapper.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkUnstructuredGridVolumeMapper_h
#define vtkUnstructuredGridVolumeMapper_h
 
#include "vtkAbstractVolumeMapper.h"
#include "vtkRenderingVolumeModule.h" // For export macro
#include "vtkWrappingHints.h"         // For VTK_MARSHALAUTO
 
VTK_ABI_NAMESPACE_BEGIN
class vtkRenderer;
class vtkVolume;
class vtkUnstructuredGridBase;
class vtkWindow;
 
class VTKRENDERINGVOLUME_EXPORT VTK_MARSHALAUTO vtkUnstructuredGridVolumeMapper
  : public vtkAbstractVolumeMapper
{
public:
  vtkTypeMacro(vtkUnstructuredGridVolumeMapper, vtkAbstractVolumeMapper);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  virtual void SetInputData(vtkUnstructuredGridBase*);
  virtual void SetInputData(vtkDataSet*);
  vtkUnstructuredGridBase* GetInput();
 
  vtkSetMacro(BlendMode, int);
  void SetBlendModeToComposite()
  {
    this->SetBlendMode(vtkUnstructuredGridVolumeMapper::COMPOSITE_BLEND);
  }
  void SetBlendModeToMaximumIntensity()
  {
    this->SetBlendMode(vtkUnstructuredGridVolumeMapper::MAXIMUM_INTENSITY_BLEND);
  }
  vtkGetMacro(BlendMode, int);

  void Render(vtkRenderer* ren, vtkVolume* vol) override = 0;

  void ReleaseGraphicsResources(vtkWindow*) override {}
 
  enum
  {
    COMPOSITE_BLEND,
    MAXIMUM_INTENSITY_BLEND
  };
 
protected:
  vtkUnstructuredGridVolumeMapper();
  ~vtkUnstructuredGridVolumeMapper() override;
 
  int BlendMode;
 
  int FillInputPortInformation(int, vtkInformation*) override;
 
private:
  vtkUnstructuredGridVolumeMapper(const vtkUnstructuredGridVolumeMapper&) = delete;
  void operator=(const vtkUnstructuredGridVolumeMapper&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif