vtkTemporalArrayOperatorFilter.h

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

  Program:   Visualization Toolkit
  Module:    vtkTemporalArrayOperatorFilter.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 vtkTemporalArrayOperatorFilter_h
#define vtkTemporalArrayOperatorFilter_h

#include "vtkFiltersHybridModule.h" // For export macro
#include "vtkMultiTimeStepAlgorithm.h"

class VTKFILTERSHYBRID_EXPORT vtkTemporalArrayOperatorFilter :
  public vtkMultiTimeStepAlgorithm
{
public:
  static vtkTemporalArrayOperatorFilter* New();
  vtkTypeMacro(vtkTemporalArrayOperatorFilter, vtkMultiTimeStepAlgorithm);
  void PrintSelf(ostream &OS, vtkIndent indent) override;

  enum OperatorType
  {
    ADD = 0,
    SUB = 1,
    MUL = 2,
    DIV = 3
  };


  vtkSetMacro(Operator, int);
  vtkGetMacro(Operator, int);


  vtkSetMacro(FirstTimeStepIndex, int);
  vtkGetMacro(FirstTimeStepIndex, int);


  vtkSetMacro(SecondTimeStepIndex, int);
  vtkGetMacro(SecondTimeStepIndex, int);


  vtkSetStringMacro(OutputArrayNameSuffix);
  vtkGetStringMacro(OutputArrayNameSuffix);

protected:
  vtkTemporalArrayOperatorFilter();
  ~vtkTemporalArrayOperatorFilter() override;

  int FillInputPortInformation(int, vtkInformation*) override;
  int FillOutputPortInformation(int, vtkInformation*) override;

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

  int GetInputArrayAssociation();
  virtual vtkDataObject* Process(vtkDataObject*, vtkDataObject*);
  virtual vtkDataObject* ProcessDataObject(vtkDataObject*, vtkDataObject*);
  virtual vtkDataArray* ProcessDataArray(vtkDataArray*, vtkDataArray*);

  int Operator;
  int FirstTimeStepIndex;
  int SecondTimeStepIndex;
  int NumberTimeSteps;
  char* OutputArrayNameSuffix;

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

#endif