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
0029 class Bisector_Curve;
0030 DEFINE_STANDARD_HANDLE(Bisector_Curve, Geom2d_Curve)
0031
0032
0033 class Bisector_Curve : public Geom2d_Curve
0034 {
0035
0036 public:
0037
0038
0039   Standard_EXPORT virtual Standard_Real Parameter (const gp_Pnt2d& P) const = 0;
0040
0041   Standard_EXPORT virtual Standard_Boolean IsExtendAtStart() const = 0;
0042
0043   Standard_EXPORT virtual Standard_Boolean IsExtendAtEnd() const = 0;
0044
0045   //! If necessary,  breaks the  curve in  intervals  of
0046   //! continuity  <C1>.    And  returns   the number   of
0047   //! intervals.
0048   Standard_EXPORT virtual Standard_Integer NbIntervals() const = 0;
0049
0050   //! Returns  the  first  parameter    of  the  current
0051   //! interval.
0052   Standard_EXPORT virtual Standard_Real IntervalFirst (const Standard_Integer Index) const = 0;
0053
0054   //! Returns  the  last  parameter    of  the  current
0055   //! interval.
0056   Standard_EXPORT virtual Standard_Real IntervalLast (const Standard_Integer Index) const = 0;
0057
0058
0059
0060
0061   DEFINE_STANDARD_RTTIEXT(Bisector_Curve,Geom2d_Curve)
0062
0063 protected:
0064
0065
0066
0067
0068 private:
0069
0070
0071
0072
0073 };
0074
0075
0076
0077
0078
0079
0080
0081 #endif // _Bisector_Curve_HeaderFile