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GEOM_EdgeSource.h
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1 // Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE
2 //
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
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10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
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14 // License along with this library; if not, write to the Free Software
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19 
20 #ifndef GEOM_EDGESOURCE_H
21 #define GEOM_EDGESOURCE_H
22 
23 #include "OCC2VTK.h"
24 
25 #include <TopoDS_Edge.hxx>
26 #include <TopTools_ShapeMapHasher.hxx>
27 #include <NCollection_Map.hxx>
28 
29 typedef NCollection_Map<TopoDS_Edge, TopTools_ShapeMapHasher> TEdgeSet;
30 
31 #include <vtkPoints.h>
32 #include <vtkPolyDataAlgorithm.h>
33 
34 class vtkPolyData;
35 
36 class OCC2VTK_EXPORT GEOM_EdgeSource: public vtkPolyDataAlgorithm
37 {
38 public:
39  vtkTypeMacro(GEOM_EdgeSource,vtkPolyDataAlgorithm);
40  static GEOM_EdgeSource* New();
41 
42  void AddEdge (const TopoDS_Edge& theEdge,
43  bool theIsVector = false);
44  void Clear(){ myEdgeSet.Clear();}
45 
46  void SetVectorMode(bool);
47 
48  bool GetVectorMode();
49 
50  static
51  void OCC2VTK(const TopoDS_Edge& theEdge,
52  vtkPolyData* thePolyData,
53  vtkPoints* thePts,
54  bool theIsVector = false);
55 
56  bool IsEmpty(){return myEdgeSet.IsEmpty();}
57 
58 
59 protected:
60  TEdgeSet myEdgeSet;
61  // The <myIsVector> flag is common for all edges, because the shape,
62  // representing a vector, can have only one edge.
63  bool myIsVector, myIsVectorMode;
64 
65  virtual int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
66 
67  GEOM_EdgeSource();
68  ~GEOM_EdgeSource();
69 
70 private:
71  // Not implememnted
72  GEOM_EdgeSource(const GEOM_EdgeSource&);
73  void operator=(const GEOM_EdgeSource&);
74 };
75 
76 
77 #endif //GEOM_EDGESOURCE_H