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.
15 #include <BRepGProp_EdgeTool.ixx>
16 #include <GeomAdaptor_Curve.hxx>
17 #include <Geom_Curve.hxx>
18 #include <Geom_BezierCurve.hxx>
19 #include <Geom_BSplineCurve.hxx>
21 Standard_Real BRepGProp_EdgeTool::FirstParameter(const BRepAdaptor_Curve& C)
23 return C.FirstParameter();
26 Standard_Real BRepGProp_EdgeTool::LastParameter(const BRepAdaptor_Curve& C)
28 return C.LastParameter();
31 Standard_Integer BRepGProp_EdgeTool::IntegrationOrder(const BRepAdaptor_Curve& BAC)
33 switch (BAC.GetType()) {
38 case GeomAbs_Parabola :
41 case GeomAbs_BezierCurve :
43 const GeomAdaptor_Curve& GAC = BAC.Curve();
44 const Handle(Geom_Curve)& GC = GAC.Curve();
45 const Handle(Geom_BezierCurve)& GBZC = (*((Handle(Geom_BezierCurve)*)&GC));
46 Standard_Integer n = 2*(GBZC->NbPoles()) - 1;
50 case GeomAbs_BSplineCurve :
52 const GeomAdaptor_Curve& GAC = BAC.Curve();
53 const Handle(Geom_Curve)& GC = GAC.Curve();
54 const Handle(Geom_BSplineCurve)& GBSC = (*((Handle(Geom_BSplineCurve)*)&GC));
55 Standard_Integer n = 2*(GBSC->NbPoles()) - 1;
65 gp_Pnt BRepGProp_EdgeTool::Value(const BRepAdaptor_Curve& C, const Standard_Real U)
70 void BRepGProp_EdgeTool::D1(const BRepAdaptor_Curve& C,
71 const Standard_Real U, gp_Pnt& P, gp_Vec& V1)
76 // modified by NIZHNY-MKK Thu Jun 9 12:15:15 2005.BEGIN
77 Standard_Integer BRepGProp_EdgeTool::NbIntervals(const BRepAdaptor_Curve& C,const GeomAbs_Shape S)
79 BRepAdaptor_Curve* pC = (BRepAdaptor_Curve*) &C; // at the moment actually NbIntervals() does not modify the
80 // object "C". So it is safe to do such a cast.
81 return pC->NbIntervals(S);
84 void BRepGProp_EdgeTool::Intervals(const BRepAdaptor_Curve& C,TColStd_Array1OfReal& T,const GeomAbs_Shape S)
86 BRepAdaptor_Curve* pC = (BRepAdaptor_Curve*) &C; // at the moment actually Intervals() does not modify the
87 // object "C". So it is safe to do such a cast.
90 // modified by NIZHNY-MKK Thu Jun 9 12:15:18 2005.END