vtkMapArrayValues.h

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

  Program:   Visualization Toolkit
  Module:    vtkMapArrayValues.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 vtkMapArrayValues_h
#define vtkMapArrayValues_h

#include "vtkRenderingCoreModule.h" // For export macro
#include "vtkPassInputTypeAlgorithm.h"

class vtkMapType;
class vtkVariant;

class VTKRENDERINGCORE_EXPORT vtkMapArrayValues : public vtkPassInputTypeAlgorithm
{
public:
  vtkTypeMacro(vtkMapArrayValues,vtkPassInputTypeAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  static vtkMapArrayValues *New();


  vtkSetMacro(FieldType, int);
  vtkGetMacro(FieldType, int);


  vtkSetMacro(PassArray, int);
  vtkGetMacro(PassArray, int);
  vtkBooleanMacro(PassArray, int);


  vtkSetMacro(FillValue, double);
  vtkGetMacro(FillValue, double);


  vtkSetStringMacro(InputArrayName);
  vtkGetStringMacro(InputArrayName);


  vtkSetStringMacro(OutputArrayName);
  vtkGetStringMacro(OutputArrayName);


  vtkGetMacro(OutputArrayType, int);
  vtkSetMacro(OutputArrayType, int);


  void AddToMap(vtkVariant from, vtkVariant to);
  void AddToMap(int from, int to);
  void AddToMap(int from, char *to);
  void AddToMap(char *from, int to);
  void AddToMap(char *from, char *to);

  void ClearMap();

  int GetMapSize();

  // Always keep NUM_ATTRIBUTE_LOCS as the last entry
  enum FieldType
  {
    POINT_DATA=0,
    CELL_DATA=1,
    VERTEX_DATA=2,
    EDGE_DATA=3,
    ROW_DATA=4,
    NUM_ATTRIBUTE_LOCS
  };

protected:

  vtkMapArrayValues();
  ~vtkMapArrayValues() override;

  int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *) override;
  int FillInputPortInformation(int, vtkInformation *) override;

  char* InputArrayName;
  char* OutputArrayName;
  int OutputArrayType;
  int FieldType;
  int MapType;
  int PassArray;
  double FillValue;

  // PIMPL idiom to hide map implementation.
  vtkMapType *Map;

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

#endif