1 // Created on: 1995-07-17
2 // Created by: Modelistation
3 // Copyright (c) 1995-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #include <BRepBlend_HCurveTool.ixx>
19 #include <GeomAbs_CurveType.hxx>
20 #include <GeomAbs_Shape.hxx>
21 #include <Geom_BezierCurve.hxx>
22 #include <Geom_BSplineCurve.hxx>
24 #include <TColStd_Array1OfReal.hxx>
27 //============================================================
28 Standard_Integer BRepBlend_HCurveTool::NbSamples (const Handle(Adaptor3d_HCurve)& C,
29 const Standard_Real U0,
30 const Standard_Real U1) {
31 GeomAbs_CurveType typC = C->GetType();
32 static Standard_Real nbsOther = 10.0;
33 Standard_Real nbs = nbsOther;
35 if(typC == GeomAbs_Line)
37 else if(typC == GeomAbs_BezierCurve)
38 nbs = 3 + C->Bezier()->NbPoles();
39 else if(typC == GeomAbs_BSplineCurve) {
40 Handle(Geom_BSplineCurve) BSC = C->BSpline();
43 nbs*= BSC->LastParameter()- BSC->FirstParameter();
49 return((Standard_Integer)nbs);