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dox/Filtering/vtkTreeDFSIterator.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkTreeDFSIterator.h,v $
00005 
00006   Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
00007   All rights reserved.
00008   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
00009 
00010      This software is distributed WITHOUT ANY WARRANTY; without even
00011      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00012      PURPOSE.  See the above copyright notice for more information.
00013 
00014 =========================================================================*/
00015 /*-------------------------------------------------------------------------
00016   Copyright 2008 Sandia Corporation.
00017   Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
00018   the U.S. Government retains certain rights in this software.
00019 -------------------------------------------------------------------------*/
00036 #ifndef __vtkTreeDFSIterator_h
00037 #define __vtkTreeDFSIterator_h
00038 
00039 #include "vtkObject.h"
00040 
00041 class vtkTree;
00042 class vtkTreeDFSIteratorInternals;
00043 class vtkIntArray;
00044 class vtkIdList;
00045 
00046 class VTK_FILTERING_EXPORT vtkTreeDFSIterator : public vtkObject
00047 {
00048 public:
00049   static vtkTreeDFSIterator* New();
00050   vtkTypeRevisionMacro(vtkTreeDFSIterator, vtkObject);
00051   void PrintSelf(ostream& os, vtkIndent indent);
00052 
00053   //BTX
00054   enum ModeType
00055     {
00056     DISCOVER,
00057     FINISH
00058     };
00059   //ETX
00060 
00062   void SetTree(vtkTree* graph);
00063 
00065 
00070   void SetMode(int mode);
00071   vtkGetMacro(Mode, int);
00073 
00075 
00078   void SetStartVertex(vtkIdType vertex);
00079   vtkGetMacro(StartVertex, vtkIdType);
00081 
00083   vtkIdType Next();
00084 
00086   bool HasNext();
00087 
00088 protected:
00089   vtkTreeDFSIterator();
00090   ~vtkTreeDFSIterator();
00091 
00092   void Initialize();
00093   vtkIdType NextInternal();
00094 
00095   vtkTree* Tree;
00096   int Mode;
00097   vtkIdType StartVertex;
00098   vtkIdType CurRoot;
00099   vtkTreeDFSIteratorInternals* Internals;
00100   vtkIntArray* Color;
00101   vtkIdType NextId;
00102 
00103   //BTX
00104   enum ColorType
00105     {
00106     WHITE,
00107     GRAY,
00108     BLACK
00109     };
00110   //ETX
00111 
00112 private:
00113   vtkTreeDFSIterator(const vtkTreeDFSIterator &);  // Not implemented.
00114   void operator=(const vtkTreeDFSIterator &);        // Not implemented.
00115 };
00116 
00117 
00118 #endif
00119 

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