vtkPythonAnnotationFilter.h

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// SPDX-FileCopyrightText: Copyright (c) Kitware Inc.
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkPythonAnnotationFilter_h
#define vtkPythonAnnotationFilter_h
 
#include "vtkPVVTKExtensionsFiltersPythonModule.h" //needed for exports
#include "vtkTableAlgorithm.h"
 
class VTKPVVTKEXTENSIONSFILTERSPYTHON_EXPORT vtkPythonAnnotationFilter : public vtkTableAlgorithm
{
public:
  static vtkPythonAnnotationFilter* New();
  vtkTypeMacro(vtkPythonAnnotationFilter, vtkTableAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
  vtkSetStringMacro(Expression);
  vtkGetStringMacro(Expression);
 
 
  vtkSetMacro(ArrayAssociation, int);
  vtkGetMacro(ArrayAssociation, int);
 
 
  vtkGetStringMacro(ComputedAnnotationValue);
 
  //------------------------------------------------------------------------------
 
  vtkGetMacro(DataTimeValid, bool);
  vtkGetMacro(DataTime, double);
 
  vtkGetMacro(NumberOfTimeSteps, int);
  double GetTimeStep(int index)
  {
    return (index < this->NumberOfTimeSteps ? this->TimeSteps[index] : 0.0);
  }
 
  vtkGetMacro(TimeRangeValid, bool);
  vtkGetVector2Macro(TimeRange, double);
  vtkGetObjectMacro(CurrentInputDataObject, vtkDataObject);
  void SetComputedAnnotationValue(const char* value);
 
protected:
  vtkPythonAnnotationFilter();
  ~vtkPythonAnnotationFilter() override;
 
  int FillInputPortInformation(int port, vtkInformation* info) override;
  int RequestData(vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector) override;
 
  virtual void EvaluateExpression();
 
  char* Expression;
  char* ComputedAnnotationValue;
  int ArrayAssociation;
 
private:
  vtkPythonAnnotationFilter(const vtkPythonAnnotationFilter&) = delete;
  void operator=(const vtkPythonAnnotationFilter&) = delete;
 
  bool DataTimeValid;
  double DataTime;
  int NumberOfTimeSteps;
  double* TimeSteps;
  bool TimeRangeValid;
  double TimeRange[2];
  vtkDataObject* CurrentInputDataObject;
};
 
#endif