include/opencascade/Bisector_Curve.hxx

0001 // Created on: 1994-03-18
0002 // Created by: Yves FRICAUD
0003 // Copyright (c) 1994-1999 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 _Bisector_Curve_HeaderFile
0018 #define _Bisector_Curve_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_Type.hxx>
0022
0023 #include <Geom2d_Curve.hxx>
0024 #include <Standard_Real.hxx>
0025 #include <Standard_Integer.hxx>
0026 class gp_Pnt2d;
0027
0028 class Bisector_Curve : public Geom2d_Curve
0029 {
0030
0031 public:
0032   Standard_EXPORT virtual double Parameter(const gp_Pnt2d& P) const = 0;
0033
0034   Standard_EXPORT virtual bool IsExtendAtStart() const = 0;
0035
0036   Standard_EXPORT virtual bool IsExtendAtEnd() const = 0;
0037
0038   //! If necessary, breaks the curve in intervals of
0039   //! continuity <C1>. And returns the number of
0040   //! intervals.
0041   Standard_EXPORT virtual int NbIntervals() const = 0;
0042
0043   //! Returns the first parameter of the current
0044   //! interval.
0045   Standard_EXPORT virtual double IntervalFirst(const int Index) const = 0;
0046
0047   //! Returns the last parameter of the current
0048   //! interval.
0049   Standard_EXPORT virtual double IntervalLast(const int Index) const = 0;
0050
0051   DEFINE_STANDARD_RTTIEXT(Bisector_Curve, Geom2d_Curve)
0052 };
0053
0054 #endif // _Bisector_Curve_HeaderFile