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.
18 #include <Adaptor2d_HCurve2d.hxx>
19 #include <Geom2d_BezierCurve.hxx>
20 #include <Geom2d_BSplineCurve.hxx>
21 #include <GeomAbs_CurveType.hxx>
22 #include <GeomAbs_Shape.hxx>
23 #include <gp_Pnt2d.hxx>
24 #include <gp_Vec2d.hxx>
25 #include <IntPatch_HCurve2dTool.hxx>
26 #include <Standard_DomainError.hxx>
27 #include <Standard_NoSuchObject.hxx>
28 #include <Standard_OutOfRange.hxx>
29 #include <TColStd_Array1OfReal.hxx>
31 //============================================================
32 Standard_Integer IntPatch_HCurve2dTool::NbSamples (const Handle(Adaptor2d_HCurve2d)& C,
33 const Standard_Real U0,
34 const Standard_Real U1)
39 case GeomAbs_Line: return 2;
40 case GeomAbs_BezierCurve:
42 nbs = (3 + C->NbPoles());
45 case GeomAbs_BSplineCurve:
49 //szv:nbs *= C->LastParameter() - C->FirstParameter();
52 nbs /= C->LastParameter() - C->FirstParameter();
53 if (nbs < 2.0) nbs = 2.0;
60 return((Standard_Integer)nbs);