1 // Copyright (c) 1995-1999 Matra Datavision
2 // Copyright (c) 1999-2014 OPEN CASCADE SAS
4 // This file is part of Open CASCADE Technology software library.
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.
12 // Alternatively, this file may be used under the terms of Open CASCADE
13 // commercial license or contractual agreement.
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>
25 Standard_Real BRepGProp_EdgeTool::FirstParameter(const BRepAdaptor_Curve& C)
27 return C.FirstParameter();
30 Standard_Real BRepGProp_EdgeTool::LastParameter(const BRepAdaptor_Curve& C)
32 return C.LastParameter();
35 Standard_Integer BRepGProp_EdgeTool::IntegrationOrder(const BRepAdaptor_Curve& BAC)
37 switch (BAC.GetType()) {
42 case GeomAbs_Parabola :
45 case GeomAbs_BezierCurve :
47 const GeomAdaptor_Curve& GAC = BAC.Curve();
48 const Handle(Geom_Curve)& GC = GAC.Curve();
49 Handle(Geom_BezierCurve) GBZC (Handle(Geom_BezierCurve)::DownCast (GC));
50 Standard_Integer n = 2*(GBZC->NbPoles()) - 1;
54 case GeomAbs_BSplineCurve :
56 const GeomAdaptor_Curve& GAC = BAC.Curve();
57 const Handle(Geom_Curve)& GC = GAC.Curve();
58 Handle(Geom_BSplineCurve) GBSC (Handle(Geom_BSplineCurve)::DownCast (GC));
59 Standard_Integer n = 2*(GBSC->NbPoles()) - 1;
69 gp_Pnt BRepGProp_EdgeTool::Value(const BRepAdaptor_Curve& C, const Standard_Real U)
74 void BRepGProp_EdgeTool::D1(const BRepAdaptor_Curve& C,
75 const Standard_Real U, gp_Pnt& P, gp_Vec& V1)
80 // modified by NIZHNY-MKK Thu Jun 9 12:15:15 2005.BEGIN
81 Standard_Integer BRepGProp_EdgeTool::NbIntervals(const BRepAdaptor_Curve& C,const GeomAbs_Shape S)
83 BRepAdaptor_Curve* pC = (BRepAdaptor_Curve*) &C; // at the moment actually NbIntervals() does not modify the
84 // object "C". So it is safe to do such a cast.
85 return pC->NbIntervals(S);
88 void BRepGProp_EdgeTool::Intervals(const BRepAdaptor_Curve& C,TColStd_Array1OfReal& T,const GeomAbs_Shape S)
90 BRepAdaptor_Curve* pC = (BRepAdaptor_Curve*) &C; // at the moment actually Intervals() does not modify the
91 // object "C". So it is safe to do such a cast.
94 // modified by NIZHNY-MKK Thu Jun 9 12:15:18 2005.END