vtkImageIterateFilter.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkImageIterateFilter.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 vtkImageIterateFilter_h
#define vtkImageIterateFilter_h
 
#include "vtkImagingCoreModule.h" // For export macro
#include "vtkThreadedImageAlgorithm.h"
 
class VTKIMAGINGCORE_EXPORT vtkImageIterateFilter : public vtkThreadedImageAlgorithm
{
public:
  vtkTypeMacro(vtkImageIterateFilter, vtkThreadedImageAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
  vtkGetMacro(Iteration, int);
  vtkGetMacro(NumberOfIterations, int);
 
protected:
  vtkImageIterateFilter();
  ~vtkImageIterateFilter() override;
 
  // Implement standard requests by calling iterative versions the
  // specified number of times.
  int RequestUpdateExtent(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
  int RequestInformation(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
  int RequestData(vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector) override;
 
  // Iterative versions of standard requests.  These are given the
  // pipeline information object for the in/out pair at each
  // iteration.
  virtual int IterativeRequestInformation(vtkInformation* in, vtkInformation* out);
  virtual int IterativeRequestUpdateExtent(vtkInformation* in, vtkInformation* out);
  virtual int IterativeRequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*);
 
  virtual void SetNumberOfIterations(int num);
 
  // for filters that execute multiple times.
  int NumberOfIterations;
  int Iteration;
  // A list of intermediate caches that is created when
  // is called SetNumberOfIterations()
  vtkAlgorithm** IterationData;
 
  vtkInformationVector* InputVector;
  vtkInformationVector* OutputVector;
 
private:
  vtkImageIterateFilter(const vtkImageIterateFilter&) = delete;
  void operator=(const vtkImageIterateFilter&) = delete;
};
 
#endif