vtkTreeDFSIterator.h

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

  Program:   Visualization Toolkit
  Module:    vtkTreeDFSIterator.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.

=========================================================================*/
/*-------------------------------------------------------------------------
  Copyright 2008 Sandia Corporation.
  Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
  the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/
#ifndef vtkTreeDFSIterator_h
#define vtkTreeDFSIterator_h

#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkTreeIterator.h"

class vtkTreeDFSIteratorInternals;
class vtkIntArray;

class VTKCOMMONDATAMODEL_EXPORT vtkTreeDFSIterator : public vtkTreeIterator
{
public:
  static vtkTreeDFSIterator* New();
  vtkTypeMacro(vtkTreeDFSIterator, vtkTreeIterator);
  void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;

  enum ModeType
  {
    DISCOVER,
    FINISH
  };


  void SetMode(int mode);
  vtkGetMacro(Mode, int);

protected:
  vtkTreeDFSIterator();
  ~vtkTreeDFSIterator() VTK_OVERRIDE;

  void Initialize() VTK_OVERRIDE;
  vtkIdType NextInternal() VTK_OVERRIDE;

  int Mode;
  vtkIdType CurRoot;
  vtkTreeDFSIteratorInternals* Internals;
  vtkIntArray* Color;

  enum ColorType
  {
    WHITE,
    GRAY,
    BLACK
  };

private:
  vtkTreeDFSIterator(const vtkTreeDFSIterator &) VTK_DELETE_FUNCTION;
  void operator=(const vtkTreeDFSIterator &) VTK_DELETE_FUNCTION;
};


#endif