vtkMitkLevelWindowFilter.h

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/*===================================================================

The Medical Imaging Interaction Toolkit (MITK)

Copyright (c) German Cancer Research Center,
Division of Medical and Biological Informatics.
All rights reserved.

This software is distributed WITHOUT ANY WARRANTY; without
even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE.

See LICENSE.txt or http://www.mitk.org for details.

===================================================================*/

#ifndef __vtkMitkLevelWindowFilter_h
#define __vtkMitkLevelWindowFilter_h

class vtkScalarsToColors;
class vtkPiecewiseFunction;
#include <vtkImageData.h>
#include <vtkThreadedImageAlgorithm.h>

#include <MitkCoreExports.h>
class MITKCORE_EXPORT vtkMitkLevelWindowFilter : public vtkThreadedImageAlgorithm
{
public:
  vtkTypeMacro(vtkMitkLevelWindowFilter, vtkThreadedImageAlgorithm);

  static vtkMitkLevelWindowFilter *New();

  virtual unsigned long int GetMTime() override;
  vtkScalarsToColors *GetLookupTable();
  void SetLookupTable(vtkScalarsToColors *lookupTable);

  vtkPiecewiseFunction *GetOpacityPiecewiseFunction() { return m_OpacityFunction; }
  void SetOpacityPiecewiseFunction(vtkPiecewiseFunction *opacityFunction);

  void SetMinOpacity(double minOpacity);
  inline double GetMinOpacity() const;

  void SetMaxOpacity(double maxOpacity);
  inline double GetMaxOpacity() const;

  void SetClippingBounds(double *);

protected:
  vtkMitkLevelWindowFilter();
  ~vtkMitkLevelWindowFilter();
  void ThreadedExecute(vtkImageData *inData, vtkImageData *outData, int extent[6], int id) override;

  //  /** Standard VTK filter method to apply the filter. See VTK documentation.*/
  int RequestInformation(vtkInformation *request,
                         vtkInformationVector **inputVector,
                         vtkInformationVector *outputVector) override;
  //  /** Standard VTK filter method to apply the filter. See VTK documentation. Not used at the moment.*/
  //  void ExecuteInformation(vtkImageData *vtkNotUsed(inData), vtkImageData *vtkNotUsed(outData));

private:
  vtkScalarsToColors *m_LookupTable;
  vtkPiecewiseFunction *m_OpacityFunction;
  double m_MinOpacity;
  double m_MaxOpacity;

  double m_ClippingBounds[4];
};
#endif