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>
24 #include <Standard_OutOfRange.hxx>
26 Standard_Real BRepGProp_EdgeTool::FirstParameter(const BRepAdaptor_Curve& C)
28 return C.FirstParameter();
31 Standard_Real BRepGProp_EdgeTool::LastParameter(const BRepAdaptor_Curve& C)
33 return C.LastParameter();
36 Standard_Integer BRepGProp_EdgeTool::IntegrationOrder(const BRepAdaptor_Curve& BAC)
38 switch (BAC.GetType()) {
43 case GeomAbs_Parabola :
46 case GeomAbs_BezierCurve :
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;
55 case GeomAbs_BSplineCurve :
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;
70 gp_Pnt BRepGProp_EdgeTool::Value(const BRepAdaptor_Curve& C, const Standard_Real U)
75 void BRepGProp_EdgeTool::D1(const BRepAdaptor_Curve& C,
76 const Standard_Real U, gp_Pnt& P, gp_Vec& V1)
81 // modified by NIZHNY-MKK Thu Jun 9 12:15:15 2005.BEGIN
82 Standard_Integer BRepGProp_EdgeTool::NbIntervals(const BRepAdaptor_Curve& C,const GeomAbs_Shape S)
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);
89 void BRepGProp_EdgeTool::Intervals(const BRepAdaptor_Curve& C,TColStd_Array1OfReal& T,const GeomAbs_Shape S)
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.
95 // modified by NIZHNY-MKK Thu Jun 9 12:15:18 2005.END