vtkImageShrink3D.h

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

  Program:   Visualization Toolkit
  Module:    vtkImageShrink3D.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 vtkImageShrink3D_h
#define vtkImageShrink3D_h

#include "vtkImagingCoreModule.h" // For export macro
#include "vtkThreadedImageAlgorithm.h"

class VTKIMAGINGCORE_EXPORT vtkImageShrink3D : public vtkThreadedImageAlgorithm
{
public:
  static vtkImageShrink3D* New();
  vtkTypeMacro(vtkImageShrink3D, vtkThreadedImageAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  vtkSetVector3Macro(ShrinkFactors, int);
  vtkGetVector3Macro(ShrinkFactors, int);


  vtkSetVector3Macro(Shift, int);
  vtkGetVector3Macro(Shift, int);


  void SetAveraging(vtkTypeBool);
  vtkTypeBool GetAveraging() { return this->GetMean(); }
  vtkBooleanMacro(Averaging, vtkTypeBool);

  void SetMean(vtkTypeBool);
  vtkGetMacro(Mean, vtkTypeBool);
  vtkBooleanMacro(Mean, vtkTypeBool);

  void SetMinimum(vtkTypeBool);
  vtkGetMacro(Minimum, vtkTypeBool);
  vtkBooleanMacro(Minimum, vtkTypeBool);

  void SetMaximum(vtkTypeBool);
  vtkGetMacro(Maximum, vtkTypeBool);
  vtkBooleanMacro(Maximum, vtkTypeBool);

  void SetMedian(vtkTypeBool);
  vtkGetMacro(Median, vtkTypeBool);
  vtkBooleanMacro(Median, vtkTypeBool);

protected:
  vtkImageShrink3D();
  ~vtkImageShrink3D() override {}

  int ShrinkFactors[3];
  int Shift[3];
  int Mean;
  vtkTypeBool Minimum;
  vtkTypeBool Maximum;
  vtkTypeBool Median;

  int RequestInformation(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
  int RequestUpdateExtent(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;

  void ThreadedRequestData(vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector, vtkImageData*** inData, vtkImageData** outData, int ext[6],
    int id) override;

  void InternalRequestUpdateExtent(int* inExt, int* outExt);

private:
  vtkImageShrink3D(const vtkImageShrink3D&) = delete;
  void operator=(const vtkImageShrink3D&) = delete;
};

#endif