vtkEdgeTable.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkEdgeTable.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 vtkEdgeTable_h
#define vtkEdgeTable_h
 
#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkObject.h"
 
class vtkIdList;
class vtkPoints;
class vtkVoidArray;
 
class VTKCOMMONDATAMODEL_EXPORT vtkEdgeTable : public vtkObject
{
public:
  static vtkEdgeTable *New();
 
  vtkTypeMacro(vtkEdgeTable,vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent);
 
  void Initialize();
 
  int InitEdgeInsertion(vtkIdType numPoints, int storeAttributes=0);
 
  vtkIdType InsertEdge(vtkIdType p1, vtkIdType p2);
 
  void InsertEdge(vtkIdType p1, vtkIdType p2, vtkIdType attributeId);
 
  void InsertEdge(vtkIdType p1, vtkIdType p2, void* ptr);
 
  vtkIdType IsEdge(vtkIdType p1, vtkIdType p2);
 
  void IsEdge(vtkIdType p1, vtkIdType p2, void* &ptr);
 
  int InitPointInsertion(vtkPoints *newPts, vtkIdType estSize);
 
 
  int InsertUniquePoint(vtkIdType p1, vtkIdType p2, double x[3],
                        vtkIdType &ptId);
 
 
  vtkGetMacro(NumberOfEdges, vtkIdType);
 
  void InitTraversal();
 
  vtkIdType GetNextEdge(vtkIdType &p1, vtkIdType &p2);
 
  int GetNextEdge(vtkIdType &p1, vtkIdType &p2, void* &ptr);
 
  void Reset();
 
protected:
  vtkEdgeTable();
  ~vtkEdgeTable();
 
  vtkIdList **Table;
  vtkIdType TableMaxId; //maximum point id inserted
  vtkIdType TableSize;  //allocated size of table
  int Position[2];
  int Extend;
  vtkIdType NumberOfEdges;
  vtkPoints *Points; //support point insertion
 
  int StoreAttributes; //==0:no attributes stored;==1:vtkIdType;==2:void*
  vtkIdList **Attributes; //used to store IdTypes attributes
  vtkVoidArray **PointerAttributes; //used to store void* pointers
 
  vtkIdList **Resize(vtkIdType size);
 
private:
  vtkEdgeTable(const vtkEdgeTable&);  // Not implemented.
  void operator=(const vtkEdgeTable&);  // Not implemented.
};
 
#endif