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/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: vtkVertexListIterator.h,v $
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.
-------------------------------------------------------------------------*/
// .NAME vtkVertexListIterator - Iterates all vertices in a graph.
//
// .SECTION Description
// vtkVertexListIterator iterates through all vertices in a graph.
// Create an instance of this and call graph->GetVertices(it) to initialize
// this iterator. You may alternately call SetGraph() to initialize the
// iterator.
//
// .SECTION See Also
// vtkGraph
#ifndef __vtkVertexListIterator_h
#define __vtkVertexListIterator_h
#include "vtkObject.h"
#include "vtkGraph.h" // For edge type definitions
class vtkGraphEdge;
class VTK_FILTERING_EXPORT vtkVertexListIterator : public vtkObject
{
public:
static vtkVertexListIterator *New();
vtkTypeRevisionMacro(vtkVertexListIterator, vtkObject);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Setup the iterator with a graph.
virtual void SetGraph(vtkGraph *graph);
// Description:
// Get the graph associated with this iterator.
vtkGetObjectMacro(Graph, vtkGraph);
// Description:
// Returns the next edge in the graph.
vtkIdType Next()
{
vtkIdType v = this->Current;
++this->Current;
return v;
}
// Description:
// Whether this iterator has more edges.
bool HasNext()
{
return this->Current != this->End;
}
protected:
vtkVertexListIterator();
~vtkVertexListIterator();
vtkGraph *Graph;
vtkIdType Current;
vtkIdType End;
private:
vtkVertexListIterator(const vtkVertexListIterator&); // Not implemented.
void operator=(const vtkVertexListIterator&); // Not implemented.
};
#endif
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