vtkTemporalArrayOperatorFilter.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkTemporalArrayOperatorFilter_h
#define vtkTemporalArrayOperatorFilter_h
 
#include "vtkFiltersHybridModule.h" // For export macro
#include "vtkMultiTimeStepAlgorithm.h"
 
VTK_ABI_NAMESPACE_BEGIN
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);
 
 
  vtkSetMacro(RelativeMode, bool);
  vtkGetMacro(RelativeMode, bool);
  vtkBooleanMacro(RelativeMode, bool);
 
 
  vtkSetMacro(TimeStepShift, int);
  vtkGetMacro(TimeStepShift, int);
 
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 Execute(vtkInformation* request, const std::vector<vtkSmartPointer<vtkDataObject>>& inputs,
    vtkInformationVector* outputVector) override;
 
  int GetInputArrayAssociation();
  virtual vtkDataObject* Process(vtkDataObject*, vtkDataObject*);
  virtual vtkDataObject* ProcessDataObject(vtkDataObject*, vtkDataObject*);
  virtual vtkDataArray* ProcessDataArray(vtkDataArray*, vtkDataArray*);
 
private:
  vtkTemporalArrayOperatorFilter(const vtkTemporalArrayOperatorFilter&) = delete;
  void operator=(const vtkTemporalArrayOperatorFilter&) = delete;
 
  std::string GetOperatorAsString();
 
  void GetTimeStepsToUse(int timeSteps[2]);
 
  int Operator = OperatorType::ADD;
  int FirstTimeStepIndex = 0;
  int SecondTimeStepIndex = 0;
  int NumberTimeSteps = 0;
  char* OutputArrayNameSuffix = nullptr;
 
  bool RelativeMode = false;
  int TimeStepShift = -1;
};
 
VTK_ABI_NAMESPACE_END
#endif