vtkEdgeListIterator.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkEdgeListIterator.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 vtkEdgeListIterator_h
#define vtkEdgeListIterator_h
 
#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkObject.h"
 
class vtkGraph;
class vtkGraphEdge;
//BTX
struct vtkEdgeType;
struct vtkOutEdgeType;
//ETX
class VTKCOMMONDATAMODEL_EXPORT vtkEdgeListIterator : public vtkObject
{
public:
  static vtkEdgeListIterator *New();
  vtkTypeMacro(vtkEdgeListIterator, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent);
 
  vtkGetObjectMacro(Graph, vtkGraph);
  virtual void SetGraph(vtkGraph *graph);
 
  //BTX
 
  vtkEdgeType Next();
  //ETX
 
  vtkGraphEdge *NextGraphEdge();
 
  bool HasNext();
 
protected:
  vtkEdgeListIterator();
  ~vtkEdgeListIterator();
 
  void Increment();
 
  vtkGraph *Graph;
  const vtkOutEdgeType *Current;
  const vtkOutEdgeType *End;
  vtkIdType             Vertex;
  bool                  Directed;
  vtkGraphEdge        *GraphEdge;
 
private:
  vtkEdgeListIterator(const vtkEdgeListIterator&);  // Not implemented.
  void operator=(const vtkEdgeListIterator&);  // Not implemented.
};
 
#endif