1 // Created on: 1998-08-20 2 // Created by: Philippe MANGIN 3 // Copyright (c) 1998-1999 Matra Datavision 4 // Copyright (c) 1999-2014 OPEN CASCADE SAS 5 // 6 // This file is part of Open CASCADE Technology software library. 7 // 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. 13 // 14 // Alternatively, this file may be used under the terms of Open CASCADE 15 // commercial license or contractual agreement. 16 17 #ifndef _Approx_Curve3d_HeaderFile 18 #define _Approx_Curve3d_HeaderFile 19 20 #include <Standard.hxx> 21 #include <Standard_DefineAlloc.hxx> 22 #include <Standard_Handle.hxx> 23 24 #include <GeomAbs_Shape.hxx> 25 #include <Geom_BSplineCurve.hxx> 26 27 class Adaptor3d_HCurve; 28 29 class Approx_Curve3d 30 { 31 public: 32 33 DEFINE_STANDARD_ALLOC 34 35 36 //! Approximation of a curve with respect of the 37 //! requiered tolerance Tol3D. 38 Standard_EXPORT Approx_Curve3d(const Handle(Adaptor3d_HCurve)& Curve, const Standard_Real Tol3d, const GeomAbs_Shape Order, const Standard_Integer MaxSegments, const Standard_Integer MaxDegree); 39 40 Standard_EXPORT Handle(Geom_BSplineCurve) Curve() const; 41 42 //! returns Standard_True if the approximation has 43 //! been done within requiered tolerance 44 Standard_EXPORT Standard_Boolean IsDone() const; 45 46 //! returns Standard_True if the approximation did come out 47 //! with a result that is not NECESSARELY within the required 48 //! tolerance 49 Standard_EXPORT Standard_Boolean HasResult() const; 50 51 //! returns the Maximum Error (>0 when an approximation 52 //! has been done, 0 if no approximation) 53 Standard_EXPORT Standard_Real MaxError() const; 54 55 //! Print on the stream o information about the object 56 Standard_EXPORT void Dump (Standard_OStream& o) const; 57 58 private: 59 60 Standard_Boolean myIsDone; 61 Standard_Boolean myHasResult; 62 Handle(Geom_BSplineCurve) myBSplCurve; 63 Standard_Real myMaxError; 64 65 }; 66 67 #endif // _Approx_Curve3d_HeaderFile 68