1 // Copyright (c) 1995-1999 Matra Datavision
2 // Copyright (c) 1999-2014 OPEN CASCADE SAS
3 //
4 // This file is part of Open CASCADE Technology software library.
5 //
6 // This library is free software; you can redistribute it and/or modify it under
7 // the terms of the GNU Lesser General Public License version 2.1 as published
8 // by the Free Software Foundation, with special exception defined in the file
9 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
10 // distribution for complete text of the license and disclaimer of any warranty.
11 //
12 // Alternatively, this file may be used under the terms of Open CASCADE
13 // commercial license or contractual agreement.
14
15
16 #include <BRepAdaptor_Curve.hxx>
17 #include <BRepGProp_EdgeTool.hxx>
18 #include <Geom_BezierCurve.hxx>
19 #include <Geom_BSplineCurve.hxx>
20 #include <Geom_Curve.hxx>
21 #include <GeomAdaptor_Curve.hxx>
22 #include <gp_Pnt.hxx>
23 #include <gp_Vec.hxx>
24 #include <Standard_OutOfRange.hxx>
25
FirstParameter(const BRepAdaptor_Curve & C)26 Standard_Real BRepGProp_EdgeTool::FirstParameter(const BRepAdaptor_Curve& C)
27 {
28 return C.FirstParameter();
29 }
30
LastParameter(const BRepAdaptor_Curve & C)31 Standard_Real BRepGProp_EdgeTool::LastParameter(const BRepAdaptor_Curve& C)
32 {
33 return C.LastParameter();
34 }
35
IntegrationOrder(const BRepAdaptor_Curve & BAC)36 Standard_Integer BRepGProp_EdgeTool::IntegrationOrder(const BRepAdaptor_Curve& BAC)
37 {
38 switch (BAC.GetType()) {
39
40 case GeomAbs_Line :
41 return 2;
42
43 case GeomAbs_Parabola :
44 return 5;
45
46 case GeomAbs_BezierCurve :
47 {
48 const GeomAdaptor_Curve& GAC = BAC.Curve();
49 const Handle(Geom_Curve)& GC = GAC.Curve();
50 Handle(Geom_BezierCurve) GBZC (Handle(Geom_BezierCurve)::DownCast (GC));
51 Standard_Integer n = 2*(GBZC->NbPoles()) - 1;
52 return n;
53 }
54 break;
55 case GeomAbs_BSplineCurve :
56 {
57 const GeomAdaptor_Curve& GAC = BAC.Curve();
58 const Handle(Geom_Curve)& GC = GAC.Curve();
59 Handle(Geom_BSplineCurve) GBSC (Handle(Geom_BSplineCurve)::DownCast (GC));
60 Standard_Integer n = 2*(GBSC->NbPoles()) - 1;
61 return n;
62 }
63 break;
64
65 default :
66 return 10;
67 }
68 }
69
Value(const BRepAdaptor_Curve & C,const Standard_Real U)70 gp_Pnt BRepGProp_EdgeTool::Value(const BRepAdaptor_Curve& C, const Standard_Real U)
71 {
72 return C.Value(U);
73 }
74
D1(const BRepAdaptor_Curve & C,const Standard_Real U,gp_Pnt & P,gp_Vec & V1)75 void BRepGProp_EdgeTool::D1(const BRepAdaptor_Curve& C,
76 const Standard_Real U, gp_Pnt& P, gp_Vec& V1)
77 {
78 C.D1(U,P,V1);
79 }
80
81 // modified by NIZHNY-MKK Thu Jun 9 12:15:15 2005.BEGIN
NbIntervals(const BRepAdaptor_Curve & C,const GeomAbs_Shape S)82 Standard_Integer BRepGProp_EdgeTool::NbIntervals(const BRepAdaptor_Curve& C,const GeomAbs_Shape S)
83 {
84 BRepAdaptor_Curve* pC = (BRepAdaptor_Curve*) &C; // at the moment actually NbIntervals() does not modify the
85 // object "C". So it is safe to do such a cast.
86 return pC->NbIntervals(S);
87 }
88
Intervals(const BRepAdaptor_Curve & C,TColStd_Array1OfReal & T,const GeomAbs_Shape S)89 void BRepGProp_EdgeTool::Intervals(const BRepAdaptor_Curve& C,TColStd_Array1OfReal& T,const GeomAbs_Shape S)
90 {
91 BRepAdaptor_Curve* pC = (BRepAdaptor_Curve*) &C; // at the moment actually Intervals() does not modify the
92 // object "C". So it is safe to do such a cast.
93 pC->Intervals(T, S);
94 }
95 // modified by NIZHNY-MKK Thu Jun 9 12:15:18 2005.END
96