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1 | // File: BRepFill_EdgeOnSurfLaw.cxx |
2 | // Created: Mon Jul 27 14:30:36 1998 |
3 | // Author: Philippe MANGIN |
4 | // <pmn@sgi29> |
5 | |
6 | |
7 | #include <BRepFill_EdgeOnSurfLaw.ixx> |
8 | |
9 | #include <BRepTools_WireExplorer.hxx> |
10 | #include <BRep_Tool.hxx> |
11 | #include <TopoDS.hxx> |
12 | #include <TopoDS_Edge.hxx> |
13 | #include <TopExp_Explorer.hxx> |
14 | #include <TopTools_HArray1OfShape.hxx> |
15 | |
16 | #include <GeomFill_LocationLaw.hxx> |
17 | #include <GeomFill_HArray1OfLocationLaw.hxx> |
18 | #include <GeomFill_Darboux.hxx> |
19 | #include <GeomFill_CurveAndTrihedron.hxx> |
20 | |
21 | #include <Geom2d_Curve.hxx> |
22 | #include <Geom2d_TrimmedCurve.hxx> |
23 | #include <Adaptor3d_CurveOnSurface.hxx> |
24 | #include <Adaptor3d_HCurveOnSurface.hxx> |
25 | #include <Geom2dAdaptor_HCurve.hxx> |
26 | #include <BRepAdaptor_HSurface.hxx> |
27 | |
28 | |
29 | BRepFill_EdgeOnSurfLaw::BRepFill_EdgeOnSurfLaw(const TopoDS_Wire& Path, |
30 | const TopoDS_Shape& Surf) |
31 | { |
32 | hasresult = Standard_True; |
33 | Init(Path); |
34 | |
35 | Standard_Boolean Trouve; |
36 | Standard_Integer ipath;// ,NbEdge; |
37 | TopAbs_Orientation Or; |
38 | BRepTools_WireExplorer wexp; |
39 | TopExp_Explorer exp; |
40 | // Class BRep_Tool without fields and without Constructor : |
41 | // BRep_Tool B; |
42 | TopoDS_Edge E; |
43 | Handle(Geom2d_Curve) C; |
44 | Handle(Geom2dAdaptor_HCurve) AC2d; |
45 | Handle(Adaptor3d_HCurveOnSurface) AC; |
46 | Handle(BRepAdaptor_HSurface) AS; |
47 | Standard_Real First, Last; |
48 | Handle(GeomFill_Darboux) TLaw = new (GeomFill_Darboux)() ; |
49 | Handle(GeomFill_CurveAndTrihedron) Law = |
50 | new (GeomFill_CurveAndTrihedron) (TLaw); |
51 | |
52 | for (ipath=0, wexp.Init(myPath); |
53 | wexp.More(); wexp.Next()) { |
54 | E = wexp.Current(); |
55 | // if (!B.Degenerated(E)) { |
56 | if (!BRep_Tool::Degenerated(E)) { |
57 | ipath++; |
58 | myEdges->SetValue(ipath, E); |
59 | for (Trouve=Standard_False, exp.Init(Surf, TopAbs_FACE); |
60 | exp.More() && !Trouve; exp.Next()) { |
61 | const TopoDS_Face& F = TopoDS::Face(exp.Current()); |
62 | C = BRep_Tool::CurveOnSurface(E, F, First, Last); |
63 | if (!C.IsNull()) { |
64 | Trouve=Standard_True; |
65 | AS = new (BRepAdaptor_HSurface) (F); |
66 | } |
67 | } |
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68 | if (!Trouve) { // Impossible to construct the law. |
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69 | hasresult = Standard_False; |
70 | myLaws.Nullify(); |
71 | return; |
72 | } |
73 | |
74 | Or = E.Orientation(); |
75 | if (Or == TopAbs_REVERSED) { |
76 | Handle(Geom2d_TrimmedCurve) CBis = |
77 | new (Geom2d_TrimmedCurve) (C, First, Last); |
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78 | CBis->Reverse(); // To avoid spoiling the topology |
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79 | C = CBis; |
80 | First = C->FirstParameter(); |
81 | Last = C->LastParameter(); |
82 | } |
83 | |
84 | AC2d = new (Geom2dAdaptor_HCurve) (C,First, Last); |
85 | AC = new (Adaptor3d_HCurveOnSurface) |
86 | (Adaptor3d_CurveOnSurface(AC2d, AS)); |
87 | myLaws->SetValue(ipath, Law->Copy()); |
88 | myLaws->ChangeValue(ipath)->SetCurve(AC); |
89 | } |
90 | } |
91 | } |
92 | |
93 | Standard_Boolean BRepFill_EdgeOnSurfLaw::HasResult() const |
94 | { |
95 | return hasresult; |
96 | } |
97 | |