include/opencascade/Approx_Curve2d.hxx

0001 // Created on: 1997-10-28
0002 // Created by: Roman BORISOV
0003 // Copyright (c) 1997-1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016
0017 #ifndef _Approx_Curve2d_HeaderFile
0018 #define _Approx_Curve2d_HeaderFile
0019
0020 #include <Adaptor2d_Curve2d.hxx>
0021 #include <Geom2d_BSplineCurve.hxx>
0022 #include <GeomAbs_Shape.hxx>
0023
0024 //! Makes  an  approximation  for  HCurve2d  from  Adaptor3d
0025 class Approx_Curve2d
0026 {
0027 public:
0028   DEFINE_STANDARD_ALLOC
0029
0030   Standard_EXPORT Approx_Curve2d(const Handle(Adaptor2d_Curve2d)& C2D,
0031                                  const Standard_Real              First,
0032                                  const Standard_Real              Last,
0033                                  const Standard_Real              TolU,
0034                                  const Standard_Real              TolV,
0035                                  const GeomAbs_Shape              Continuity,
0036                                  const Standard_Integer           MaxDegree,
0037                                  const Standard_Integer           MaxSegments);
0038
0039   Standard_EXPORT Standard_Boolean IsDone() const;
0040
0041   Standard_EXPORT Standard_Boolean HasResult() const;
0042
0043   Standard_EXPORT Handle(Geom2d_BSplineCurve) Curve() const;
0044
0045   Standard_EXPORT Standard_Real MaxError2dU() const;
0046
0047   Standard_EXPORT Standard_Real MaxError2dV() const;
0048
0049 private:
0050   Handle(Geom2d_BSplineCurve) myCurve;
0051   Standard_Boolean            myIsDone;
0052   Standard_Boolean            myHasResult;
0053   Standard_Real               myMaxError2dU;
0054   Standard_Real               myMaxError2dV;
0055 };
0056
0057 #endif // _Approx_Curve2d_HeaderFile