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1 | // Created on: 1995-06-26 |
| 2 | // Created by: Philippe DERVIEUX |
| 3 | // Copyright (c) 1995-1999 Matra Datavision |
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4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
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5 | // |
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6 | // This file is part of Open CASCADE Technology software library. |
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7 | // |
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8 | // This library is free software; you can redistribute it and/or modify it under |
| 9 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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10 | // by the Free Software Foundation, with special exception defined in the file |
| 11 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
| 12 | // distribution for complete text of the license and disclaimer of any warranty. |
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13 | // |
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14 | // Alternatively, this file may be used under the terms of Open CASCADE |
| 15 | // commercial license or contractual agreement. |
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16 | |
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17 | |
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18 | #include <ChFi2d.hxx> |
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19 | #include <TopExp.hxx> |
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20 | #include <TopoDS.hxx> |
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21 | #include <TopoDS_Edge.hxx> |
| 22 | #include <TopoDS_Face.hxx> |
| 23 | #include <TopoDS_Vertex.hxx> |
| 24 | #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx> |
| 25 | #include <TopTools_ListIteratorOfListOfShape.hxx> |
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26 | |
| 27 | //======================================================================= |
| 28 | //function : CommonVertex |
| 29 | //purpose : |
| 30 | //======================================================================= |
| 31 | Standard_Boolean ChFi2d::CommonVertex(const TopoDS_Edge& E1, |
| 32 | const TopoDS_Edge& E2, |
| 33 | TopoDS_Vertex& V) |
| 34 | { |
| 35 | TopoDS_Vertex firstVertex1, lastVertex1, firstVertex2, lastVertex2; |
| 36 | TopExp::Vertices(E1, firstVertex1, lastVertex1); |
| 37 | TopExp::Vertices(E2, firstVertex2, lastVertex2); |
| 38 | |
| 39 | if (firstVertex1.IsSame(firstVertex2) || |
| 40 | firstVertex1.IsSame(lastVertex2)) { |
| 41 | V = firstVertex1; |
| 42 | return Standard_True; |
| 43 | } |
| 44 | if (lastVertex1.IsSame(firstVertex2) || |
| 45 | lastVertex1.IsSame(lastVertex2)) { |
| 46 | V = lastVertex1; |
| 47 | return Standard_True; |
| 48 | } |
| 49 | return Standard_False; |
| 50 | } // CommonVertex |
| 51 | |
| 52 | |
| 53 | //======================================================================= |
| 54 | //function : FindConnectedEdges |
| 55 | //purpose : |
| 56 | //======================================================================= |
| 57 | |
| 58 | ChFi2d_ConstructionError ChFi2d::FindConnectedEdges(const TopoDS_Face& F, |
| 59 | const TopoDS_Vertex& V, |
| 60 | TopoDS_Edge& E1, |
| 61 | TopoDS_Edge& E2) |
| 62 | { |
| 63 | TopTools_IndexedDataMapOfShapeListOfShape vertexMap ; |
| 64 | TopExp::MapShapesAndAncestors (F, TopAbs_VERTEX, |
| 65 | TopAbs_EDGE, vertexMap); |
| 66 | |
| 67 | if (vertexMap.Contains(V)) { |
| 68 | TopTools_ListIteratorOfListOfShape iterator(vertexMap.FindFromKey(V)); |
| 69 | if (iterator.More()) { |
| 70 | E1 = TopoDS::Edge(iterator.Value()); |
| 71 | iterator.Next(); |
| 72 | } // if ... |
| 73 | else return ChFi2d_ConnexionError; |
| 74 | if (iterator.More()) { |
| 75 | E2 = TopoDS::Edge(iterator.Value()); |
| 76 | iterator.Next(); |
| 77 | } // if ... |
| 78 | else return ChFi2d_ConnexionError; |
| 79 | |
| 80 | if(iterator.More()) return ChFi2d_ConnexionError; |
| 81 | } // if (isFind) |
| 82 | else return ChFi2d_ConnexionError; |
| 83 | return ChFi2d_IsDone; |
| 84 | } // FindConnectedEdges |
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