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

  Program:   Visualization Toolkit
  Module:    vtkBridgeCellIteratorOnCellBoundaries.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 vtkBridgeCellIteratorOnCellBoundaries_h
#define vtkBridgeCellIteratorOnCellBoundaries_h

#include "vtkBridgeCellIteratorStrategy.h"

class vtkBridgeCell;
class vtkBridgeDataSet;
class vtkBridgeCell;
class vtkIdList;

class VTKTESTINGGENERICBRIDGE_EXPORT vtkBridgeCellIteratorOnCellBoundaries : public vtkBridgeCellIteratorStrategy
{
public:
  static vtkBridgeCellIteratorOnCellBoundaries *New();
  vtkTypeMacro(vtkBridgeCellIteratorOnCellBoundaries,
                       vtkBridgeCellIteratorStrategy);
  void PrintSelf(ostream& os, vtkIndent indent);

  void Begin();

  int IsAtEnd();

  void GetCell(vtkGenericAdaptorCell *c);

  vtkGenericAdaptorCell *GetCell();

  void Next();


  void InitWithCellBoundaries(vtkBridgeCell *cell,
                              int dim);

protected:
  vtkBridgeCellIteratorOnCellBoundaries();
  virtual ~vtkBridgeCellIteratorOnCellBoundaries();

  int Dim; // Dimension of cells over which to iterate (-1 to 3)

  vtkBridgeCell *DataSetCell; // the structure on which the objet iterates.
  vtkIdType Id; // the id at current position.
  vtkBridgeCell *Cell; // cell at current position.
  vtkIdType NumberOfFaces;
  vtkIdType NumberOfEdges;
  vtkIdType NumberOfVertices;
private:
  vtkBridgeCellIteratorOnCellBoundaries(const vtkBridgeCellIteratorOnCellBoundaries&); // Not implemented
  void operator=(const vtkBridgeCellIteratorOnCellBoundaries&); // Not implemented
};

#endif