include/opencascade/ShapeCustom_Curve.hxx

0001 // Created on: 2001-08-28
0002 // Created by: data exchange team
0003 // Copyright (c) 2001-2014 OPEN CASCADE SAS
0004 //
0005 // This file is part of Open CASCADE Technology software library.
0006 //
0007 // This library is free software; you can redistribute it and/or modify it under
0008 // the terms of the GNU Lesser General Public License version 2.1 as published
0009 // by the Free Software Foundation, with special exception defined in the file
0010 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0011 // distribution for complete text of the license and disclaimer of any warranty.
0012 //
0013 // Alternatively, this file may be used under the terms of Open CASCADE
0014 // commercial license or contractual agreement.
0015
0016 #ifndef _ShapeCustom_Curve_HeaderFile
0017 #define _ShapeCustom_Curve_HeaderFile
0018
0019 #include <Standard.hxx>
0020 #include <Standard_DefineAlloc.hxx>
0021 #include <Standard_Handle.hxx>
0022
0023 class Geom_Curve;
0024
0025 //! Converts BSpline curve to periodic
0026 class ShapeCustom_Curve
0027 {
0028 public:
0029   DEFINE_STANDARD_ALLOC
0030
0031   Standard_EXPORT ShapeCustom_Curve();
0032
0033   Standard_EXPORT ShapeCustom_Curve(const occ::handle<Geom_Curve>& C);
0034
0035   Standard_EXPORT void Init(const occ::handle<Geom_Curve>& C);
0036
0037   //! Tries to convert the Curve to the Periodic form
0038   //! Returns the resulting curve
0039   //! Works only if the Curve is BSpline and is closed with
0040   //! Precision::Confusion()
0041   //! Else, or in case of failure, returns a Null Handle
0042   Standard_EXPORT occ::handle<Geom_Curve> ConvertToPeriodic(const bool   substitute,
0043                                                             const double preci = -1);
0044
0045 private:
0046   occ::handle<Geom_Curve> myCurve;
0047 };
0048
0049 #endif // _ShapeCustom_Curve_HeaderFile