vtkImageSeparableConvolution.h

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

  Program:   Visualization Toolkit
  Module:    vtkImageSeparableConvolution.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 vtkImageSeparableConvolution_h
#define vtkImageSeparableConvolution_h


#include "vtkImagingGeneralModule.h" // For export macro
#include "vtkImageDecomposeFilter.h"

class vtkFloatArray;

class VTKIMAGINGGENERAL_EXPORT vtkImageSeparableConvolution : public vtkImageDecomposeFilter
{
public:
  static vtkImageSeparableConvolution *New();
  vtkTypeMacro(vtkImageSeparableConvolution,vtkImageDecomposeFilter);


  // Set the X convolution kernel, a null value indicates no convolution to
  // be done.  The kernel must be of odd length
  virtual void SetXKernel(vtkFloatArray*);
  vtkGetObjectMacro ( XKernel, vtkFloatArray );

  // Set the Y convolution kernel, a null value indicates no convolution to
  // be done The kernel must be of odd length
  virtual void SetYKernel(vtkFloatArray*);
  vtkGetObjectMacro ( YKernel, vtkFloatArray );

  // Set the Z convolution kernel, a null value indicates no convolution to
  // be done The kernel must be of odd length
  virtual void SetZKernel(vtkFloatArray*);
  vtkGetObjectMacro ( ZKernel, vtkFloatArray );

  void PrintSelf(ostream& os, vtkIndent indent) override;

  vtkMTimeType GetMTime() override;

protected:
  vtkImageSeparableConvolution();
  ~vtkImageSeparableConvolution() override;

  vtkFloatArray* XKernel;
  vtkFloatArray* YKernel;
  vtkFloatArray* ZKernel;

  int IterativeRequestData(vtkInformation*,
                                   vtkInformationVector**,
                                   vtkInformationVector*) override;

  int IterativeRequestInformation(vtkInformation* in,
                                          vtkInformation* out) override;
  int IterativeRequestUpdateExtent(vtkInformation* in,
                                           vtkInformation* out) override;

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

#endif