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

  Program:   Visualization Toolkit
  Module:    vtkBooleanOperationPolyDataFilter.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 vtkBooleanOperationPolyDataFilter_h
#define vtkBooleanOperationPolyDataFilter_h

#include "vtkFiltersGeneralModule.h" // For export macro
#include "vtkPolyDataAlgorithm.h"

#include "vtkDataSetAttributes.h" // Needed for CopyCells() method

class vtkIdList;

class VTKFILTERSGENERAL_EXPORT vtkBooleanOperationPolyDataFilter : public vtkPolyDataAlgorithm
{
public:
  static vtkBooleanOperationPolyDataFilter *New();

  vtkTypeMacro(vtkBooleanOperationPolyDataFilter,
               vtkPolyDataAlgorithm);

  void PrintSelf(ostream& os, vtkIndent indent);

  enum OperationType
  {
    VTK_UNION=0,
    VTK_INTERSECTION,
    VTK_DIFFERENCE
  };


  vtkSetClampMacro( Operation, int, VTK_UNION, VTK_DIFFERENCE );
  vtkGetMacro( Operation, int );
  void SetOperationToUnion()
  { this->SetOperation( VTK_UNION ); }
  void SetOperationToIntersection()
  { this->SetOperation( VTK_INTERSECTION ); }
  void SetOperationToDifference()
  { this->SetOperation( VTK_DIFFERENCE ); }


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


  vtkSetMacro(Tolerance, double);
  vtkGetMacro(Tolerance, double);

protected:
  vtkBooleanOperationPolyDataFilter();
  ~vtkBooleanOperationPolyDataFilter();


  void SortPolyData(vtkPolyData* input, vtkIdList* intersectionList,
                    vtkIdList* unionList);

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

private:
  vtkBooleanOperationPolyDataFilter(const vtkBooleanOperationPolyDataFilter&); // Not implemented
  void operator=(const vtkBooleanOperationPolyDataFilter&); // Not implemented


  void CopyCells(vtkPolyData* in, vtkPolyData* out, int idx,
                 vtkDataSetAttributes::FieldList & pointFieldList,
                 vtkDataSetAttributes::FieldList & cellFieldList,
                 vtkIdList* cellIds, bool reverseCells);

  double Tolerance;

  int Operation;


  int ReorientDifferenceCells;
};

#endif