Version: 8.3.0
SMDS_VtkCellIterator.hxx
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1 // Copyright (C) 2010-2016 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.
7 //
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
12 //
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
18 //
19 
20 #ifndef _SMDS_VTKCELLITERATOR_HXX_
21 #define _SMDS_VTKCELLITERATOR_HXX_
22 
23 #include "SMDS_ElemIterator.hxx"
24 #include "SMDS_Mesh.hxx"
25 #include "SMDSAbs_ElementType.hxx"
26 
27 #include <vtkCell.h>
28 #include <vtkIdList.h>
29 
30 class SMDS_VtkCellIterator: public SMDS_ElemIterator
31 {
32 public:
33  SMDS_VtkCellIterator(SMDS_Mesh* mesh, int vtkCellId, SMDSAbs_EntityType aType);
34  virtual ~SMDS_VtkCellIterator();
35  virtual bool more();
36  virtual const SMDS_MeshElement* next();
37  inline void exchange(vtkIdType a, vtkIdType b)
38  {
39  vtkIdType t = _vtkIdList->GetId(a);
40  _vtkIdList->SetId(a, _vtkIdList->GetId(b));
41  _vtkIdList->SetId(b, t);
42  }
43 
44 protected:
45  SMDS_VtkCellIterator() {};
46 
47  SMDS_Mesh* _mesh;
48  int _cellId;
49  int _index;
50  int _nbNodes;
51  SMDSAbs_EntityType _type;
52  vtkIdList* _vtkIdList;
53 };
54 
55 class SMDS_VtkCellIteratorToUNV: public SMDS_NodeIterator, protected SMDS_VtkCellIterator
56 {
57 public:
58  SMDS_VtkCellIteratorToUNV(SMDS_Mesh* mesh, int vtkCellId, SMDSAbs_EntityType aType);
59  virtual const SMDS_MeshNode* next();
60  virtual bool more();
61  virtual ~SMDS_VtkCellIteratorToUNV();
62 };
63 
64 class SMDS_VtkCellIteratorPolyH: public SMDS_VtkCellIterator
65 {
66 public:
67  SMDS_VtkCellIteratorPolyH(SMDS_Mesh* mesh, int vtkCellId, SMDSAbs_EntityType aType);
68  virtual ~SMDS_VtkCellIteratorPolyH();
69  virtual bool more();
70 protected:
71  int _nbNodesInFaces;
72 };
73 
74 #endif