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

  Program:   Visualization Toolkit
  Module:    vtkExtractSelectionBase.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 vtkExtractSelectionBase_h
#define vtkExtractSelectionBase_h

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

class VTKFILTERSEXTRACTION_EXPORT vtkExtractSelectionBase : public vtkDataObjectAlgorithm
{
public:
  vtkTypeMacro(vtkExtractSelectionBase, vtkDataObjectAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);


  void SetSelectionConnection(vtkAlgorithmOutput* algOutput)
    {
    this->SetInputConnection(1, algOutput);
    }


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

//BTX
protected:
  vtkExtractSelectionBase();
  ~vtkExtractSelectionBase();


  virtual int RequestDataObject(vtkInformation* request,
                                vtkInformationVector** inputVector,
                                vtkInformationVector* outputVector);

  virtual int FillInputPortInformation(int port, vtkInformation* info);

  int PreserveTopology;
private:
  vtkExtractSelectionBase(const vtkExtractSelectionBase&); // Not implemented.
  void operator=(const vtkExtractSelectionBase&); // Not implemented.
//ETX
};

#endif