vtkExtractSelectedIds.h

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

  Program:   Visualization Toolkit
  Module:    vtkExtractSelectedIds.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 vtkExtractSelectedIds_h
#define vtkExtractSelectedIds_h

#include "vtkFiltersExtractionModule.h" // For export macro
#include "vtkExtractSelectionBase.h"

class vtkSelection;
class vtkSelectionNode;

class VTKFILTERSEXTRACTION_EXPORT vtkExtractSelectedIds : public vtkExtractSelectionBase
{
public:
  static vtkExtractSelectedIds *New();
  vtkTypeMacro(vtkExtractSelectedIds, vtkExtractSelectionBase);
  void PrintSelf(ostream& os, vtkIndent indent) override;

protected:
  vtkExtractSelectedIds();
  ~vtkExtractSelectedIds() override;

  // Overridden to indicate that the input must be a vtkDataSet.
  int FillInputPortInformation(int port, vtkInformation* info) override;

  // Usual data generation method
  int RequestData(vtkInformation *,
                          vtkInformationVector **,
                          vtkInformationVector *) override;


  int ExtractCells(vtkSelectionNode *sel, vtkDataSet *input,
                   vtkDataSet *output);
  int ExtractPoints(vtkSelectionNode *sel, vtkDataSet *input,
                    vtkDataSet *output);

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

#endif