1 // Created on: 1993-03-24
3 // Copyright (c) 1993-1999 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 <Geom2d_Curve.hxx>
19 #include <Geom2d_UndefinedDerivative.hxx>
20 #include <Geom2d_UndefinedValue.hxx>
21 #include <gp_Pnt2d.hxx>
22 #include <gp_Trsf2d.hxx>
23 #include <gp_Vec2d.hxx>
24 #include <Standard_NoSuchObject.hxx>
25 #include <Standard_RangeError.hxx>
26 #include <Standard_Type.hxx>
28 IMPLEMENT_STANDARD_RTTIEXT(Geom2d_Curve,Geom2d_Geometry)
30 typedef Geom2d_Curve Curve;
33 //=======================================================================
36 //=======================================================================
38 Handle(Geom2d_Curve) Geom2d_Curve::Reversed () const
40 Handle(Geom2d_Curve) C = Handle(Geom2d_Curve)::DownCast(Copy());
45 //=======================================================================
46 //function : TransformedParameter
48 //=======================================================================
50 Standard_Real Geom2d_Curve::TransformedParameter(const Standard_Real U,
51 const gp_Trsf2d& ) const
56 //=======================================================================
57 //function : ParametricTransformation
59 //=======================================================================
61 Standard_Real Geom2d_Curve::ParametricTransformation(const gp_Trsf2d& ) const
66 //=======================================================================
69 //=======================================================================
71 Standard_Real Geom2d_Curve::Period() const
73 Standard_NoSuchObject_Raise_if
74 ( !IsPeriodic(),"Geom2d_Curve::Period");
76 return ( LastParameter() - FirstParameter());
80 //=======================================================================
83 //=======================================================================
85 gp_Pnt2d Geom2d_Curve::Value(const Standard_Real U)const