1 // Created on: 1994-03-18 2 // Created by: Yves FRICAUD 3 // Copyright (c) 1994-1999 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 _Bisector_Curve_HeaderFile 18 #define _Bisector_Curve_HeaderFile 19 20 #include <Standard.hxx> 21 #include <Standard_Type.hxx> 22 23 #include <Geom2d_Curve.hxx> 24 #include <Standard_Real.hxx> 25 #include <Standard_Boolean.hxx> 26 #include <Standard_Integer.hxx> 27 class gp_Pnt2d; 28 29 30 class Bisector_Curve; 31 DEFINE_STANDARD_HANDLE(Bisector_Curve, Geom2d_Curve) 32 33 34 class Bisector_Curve : public Geom2d_Curve 35 { 36 37 public: 38 39 40 Standard_EXPORT virtual Standard_Real Parameter (const gp_Pnt2d& P) const = 0; 41 42 Standard_EXPORT virtual Standard_Boolean IsExtendAtStart() const = 0; 43 44 Standard_EXPORT virtual Standard_Boolean IsExtendAtEnd() const = 0; 45 46 //! If necessary, breaks the curve in intervals of 47 //! continuity <C1>. And returns the number of 48 //! intervals. 49 Standard_EXPORT virtual Standard_Integer NbIntervals() const = 0; 50 51 //! Returns the first parameter of the current 52 //! interval. 53 Standard_EXPORT virtual Standard_Real IntervalFirst (const Standard_Integer Index) const = 0; 54 55 //! Returns the last parameter of the current 56 //! interval. 57 Standard_EXPORT virtual Standard_Real IntervalLast (const Standard_Integer Index) const = 0; 58 59 60 61 62 DEFINE_STANDARD_RTTIEXT(Bisector_Curve,Geom2d_Curve) 63 64 protected: 65 66 67 68 69 private: 70 71 72 73 74 }; 75 76 77 78 79 80 81 82 #endif // _Bisector_Curve_HeaderFile 83