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
0026 //! Converts BSpline curve to periodic
0027 class ShapeCustom_Curve
0028 {
0029 public:
0030
0031   DEFINE_STANDARD_ALLOC
0032
0033
0034   Standard_EXPORT ShapeCustom_Curve();
0035
0036   Standard_EXPORT ShapeCustom_Curve(const Handle(Geom_Curve)& C);
0037
0038   Standard_EXPORT void Init (const Handle(Geom_Curve)& C);
0039
0040   //! Tries to convert the Curve to the Periodic form
0041   //! Returns the resulting curve
0042   //! Works only if the Curve is BSpline and is closed with
0043   //! Precision::Confusion()
0044   //! Else, or in case of failure, returns a Null Handle
0045   Standard_EXPORT Handle(Geom_Curve) ConvertToPeriodic (const Standard_Boolean substitute, const Standard_Real preci = -1);
0046
0047
0048
0049
0050 protected:
0051
0052
0053
0054
0055
0056 private:
0057
0058
0059
0060   Handle(Geom_Curve) myCurve;
0061
0062
0063 };
0064
0065
0066
0067
0068
0069
0070
0071 #endif // _ShapeCustom_Curve_HeaderFile