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[occt.git] / src / AIS / AIS_C0RegularityFilter.cxx
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b311480e 1// Created on: 1998-02-04
2// Created by: Julia GERASIMOVA
3// Copyright (c) 1998-1999 Matra Datavision
4// Copyright (c) 1999-2012 OPEN CASCADE SAS
5//
6// The content of this file is subject to the Open CASCADE Technology Public
7// License Version 6.5 (the "License"). You may not use the content of this file
8// except in compliance with the License. Please obtain a copy of the License
9// at http://www.opencascade.org and read it completely before using this file.
10//
11// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
12// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
13//
14// The Original Code and all software distributed under the License is
15// distributed on an "AS IS" basis, without warranty of any kind, and the
16// Initial Developer hereby disclaims all such warranties, including without
17// limitation, any warranties of merchantability, fitness for a particular
18// purpose or non-infringement. Please see the License for the specific terms
19// and conditions governing the rights and limitations under the License.
20
7fd59977 21
22
23#include <AIS_C0RegularityFilter.ixx>
24
25#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
26#include <TopTools_ListIteratorOfListOfShape.hxx>
27#include <TopExp.hxx>
28#include <TopoDS_Face.hxx>
29#include <TopoDS.hxx>
30#include <GeomAbs_Shape.hxx>
31#include <BRep_Tool.hxx>
32#include <StdSelect_BRepOwner.hxx>
33
34
35//=======================================================================
36//function : AIS_C0RegularityFilter
37//purpose :
38//=======================================================================
39
40AIS_C0RegularityFilter::AIS_C0RegularityFilter(const TopoDS_Shape& aShape)
41{
42 TopTools_IndexedDataMapOfShapeListOfShape SubShapes;
43 TopExp::MapShapesAndAncestors(aShape,TopAbs_EDGE,TopAbs_FACE,SubShapes);
44 Standard_Boolean Ok;
45 for (Standard_Integer i = 1; i <= SubShapes.Extent(); i++) {
46 Ok = Standard_False;
47 TopTools_ListIteratorOfListOfShape it(SubShapes(i));
48 TopoDS_Face Face1, Face2;
49 if (it.More()) {
50 Face1 = TopoDS::Face(it.Value());
51 it.Next();
52 if (it.More()) {
53 Face2 = TopoDS::Face(it.Value());
54 it.Next();
55 if (!it.More()) {
56 GeomAbs_Shape ShapeContinuity =
57 BRep_Tool::Continuity(TopoDS::Edge(SubShapes.FindKey(i)),Face1,Face2);
58 Ok = (ShapeContinuity == GeomAbs_C0);
59 }
60 }
61 }
62 if (Ok) {
63 TopoDS_Shape curEdge = SubShapes.FindKey( i );
64 myMapOfEdges.Add(curEdge);
65 }
66 }
67}
68
69//=======================================================================
70//function : ActsOn
71//purpose :
72//=======================================================================
73
74Standard_Boolean AIS_C0RegularityFilter::ActsOn(const TopAbs_ShapeEnum aType) const
75{
76 return (aType == TopAbs_EDGE);
77}
78
79//=======================================================================
80//function : IsOk
81//purpose :
82//=======================================================================
83
84Standard_Boolean AIS_C0RegularityFilter::IsOk(const Handle(SelectMgr_EntityOwner)& EO) const
85{
86 if (Handle(StdSelect_BRepOwner)::DownCast(EO).IsNull())
87 return Standard_False;
88
89 const TopoDS_Shape& aShape = ((Handle(StdSelect_BRepOwner)&)EO)->Shape();
90
91 if(aShape.ShapeType()!= TopAbs_EDGE)
92 return Standard_False;
93
94 return (myMapOfEdges.Contains(aShape));
95}