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1 | // Created on: 1998-02-04 |
2 | // Created by: Julia GERASIMOVA |
3 | // Copyright (c) 1998-1999 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 <AIS_C0RegularityFilter.hxx> |
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19 | #include <BRep_Tool.hxx> |
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20 | #include <GeomAbs_Shape.hxx> |
21 | #include <SelectMgr_EntityOwner.hxx> |
22 | #include <Standard_Type.hxx> |
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23 | #include <StdSelect_BRepOwner.hxx> |
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24 | #include <TopExp.hxx> |
25 | #include <TopoDS.hxx> |
26 | #include <TopoDS_Face.hxx> |
27 | #include <TopoDS_Shape.hxx> |
28 | #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx> |
29 | #include <TopTools_ListIteratorOfListOfShape.hxx> |
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30 | |
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31 | IMPLEMENT_STANDARD_RTTIEXT(AIS_C0RegularityFilter,SelectMgr_Filter) |
32 | |
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33 | //======================================================================= |
34 | //function : AIS_C0RegularityFilter |
35 | //purpose : |
36 | //======================================================================= |
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37 | AIS_C0RegularityFilter::AIS_C0RegularityFilter(const TopoDS_Shape& aShape) |
38 | { |
39 | TopTools_IndexedDataMapOfShapeListOfShape SubShapes; |
40 | TopExp::MapShapesAndAncestors(aShape,TopAbs_EDGE,TopAbs_FACE,SubShapes); |
41 | Standard_Boolean Ok; |
42 | for (Standard_Integer i = 1; i <= SubShapes.Extent(); i++) { |
43 | Ok = Standard_False; |
44 | TopTools_ListIteratorOfListOfShape it(SubShapes(i)); |
45 | TopoDS_Face Face1, Face2; |
46 | if (it.More()) { |
47 | Face1 = TopoDS::Face(it.Value()); |
48 | it.Next(); |
49 | if (it.More()) { |
50 | Face2 = TopoDS::Face(it.Value()); |
51 | it.Next(); |
52 | if (!it.More()) { |
53 | GeomAbs_Shape ShapeContinuity = |
54 | BRep_Tool::Continuity(TopoDS::Edge(SubShapes.FindKey(i)),Face1,Face2); |
55 | Ok = (ShapeContinuity == GeomAbs_C0); |
56 | } |
57 | } |
58 | } |
59 | if (Ok) { |
60 | TopoDS_Shape curEdge = SubShapes.FindKey( i ); |
61 | myMapOfEdges.Add(curEdge); |
62 | } |
63 | } |
64 | } |
65 | |
66 | //======================================================================= |
67 | //function : ActsOn |
68 | //purpose : |
69 | //======================================================================= |
70 | |
71 | Standard_Boolean AIS_C0RegularityFilter::ActsOn(const TopAbs_ShapeEnum aType) const |
72 | { |
73 | return (aType == TopAbs_EDGE); |
74 | } |
75 | |
76 | //======================================================================= |
77 | //function : IsOk |
78 | //purpose : |
79 | //======================================================================= |
80 | |
81 | Standard_Boolean AIS_C0RegularityFilter::IsOk(const Handle(SelectMgr_EntityOwner)& EO) const |
82 | { |
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83 | Handle(StdSelect_BRepOwner) aBO (Handle(StdSelect_BRepOwner)::DownCast(EO)); |
84 | if (aBO.IsNull()) |
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85 | return Standard_False; |
86 | |
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87 | const TopoDS_Shape& aShape = aBO->Shape(); |
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88 | |
89 | if(aShape.ShapeType()!= TopAbs_EDGE) |
90 | return Standard_False; |
91 | |
92 | return (myMapOfEdges.Contains(aShape)); |
93 | } |