include/opencascade/Approx_Curve3d.hxx

0001 // Created on: 1998-08-20
0002 // Created by: Philippe MANGIN
0003 // Copyright (c) 1998-1999 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_Curve3d_HeaderFile
0018 #define _Approx_Curve3d_HeaderFile
0019
0020 #include <Adaptor3d_Curve.hxx>
0021 #include <GeomAbs_Shape.hxx>
0022 #include <Geom_BSplineCurve.hxx>
0023
0024 class Approx_Curve3d
0025 {
0026 public:
0027
0028   DEFINE_STANDARD_ALLOC
0029
0030
0031   //! Approximation  of  a  curve  with respect of the
0032   //! required tolerance Tol3D.
0033   Standard_EXPORT Approx_Curve3d(const Handle(Adaptor3d_Curve)& Curve, const Standard_Real Tol3d, const GeomAbs_Shape Order, const Standard_Integer MaxSegments, const Standard_Integer MaxDegree);
0034
0035   Standard_EXPORT Handle(Geom_BSplineCurve) Curve() const;
0036
0037   //! returns  Standard_True  if  the  approximation  has
0038   //! been  done  within  required tolerance
0039   Standard_EXPORT Standard_Boolean IsDone() const;
0040
0041   //! returns  Standard_True if the approximation did come out
0042   //! with a result that  is not NECESSARELY within the required
0043   //! tolerance
0044   Standard_EXPORT Standard_Boolean HasResult() const;
0045
0046   //! returns  the  Maximum  Error  (>0 when an approximation
0047   //! has  been  done, 0  if  no  approximation)
0048   Standard_EXPORT Standard_Real MaxError() const;
0049
0050   //! Print on the stream  o  information about the object
0051   Standard_EXPORT void Dump (Standard_OStream& o) const;
0052
0053 private:
0054
0055   Standard_Boolean myIsDone;
0056   Standard_Boolean myHasResult;
0057   Handle(Geom_BSplineCurve) myBSplCurve;
0058   Standard_Real myMaxError;
0059
0060 };
0061
0062 #endif // _Approx_Curve3d_HeaderFile