vtkImageSpatialAlgorithm.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkImageSpatialAlgorithm_h
#define vtkImageSpatialAlgorithm_h
 
#include "vtkImagingGeneralModule.h" // For export macro
#include "vtkThreadedImageAlgorithm.h"
 
VTK_ABI_NAMESPACE_BEGIN
class VTKIMAGINGGENERAL_EXPORT vtkImageSpatialAlgorithm : public vtkThreadedImageAlgorithm
{
public:
  static vtkImageSpatialAlgorithm* New();
  vtkTypeMacro(vtkImageSpatialAlgorithm, vtkThreadedImageAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
  vtkGetVector3Macro(KernelSize, int);
 
 
  vtkGetVector3Macro(KernelMiddle, int);
 
protected:
  vtkImageSpatialAlgorithm();
  ~vtkImageSpatialAlgorithm() override = default;
 
  int KernelSize[3];
  int KernelMiddle[3];  // Index of kernel origin
  int HandleBoundaries; // Output shrinks if boundaries aren't handled
 
  int RequestInformation(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
 
  void ComputeOutputWholeExtent(int extent[6], int handleBoundaries);
  int RequestUpdateExtent(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
  void InternalRequestUpdateExtent(int* extent, int* inExtent, int* wholeExtent);
 
private:
  vtkImageSpatialAlgorithm(const vtkImageSpatialAlgorithm&) = delete;
  void operator=(const vtkImageSpatialAlgorithm&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif