1 // Created on: 1994-05-19
2 // Created by: Yves FRICAUD
3 // Copyright (c) 1994-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
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.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #ifndef _Bisector_BisecAna_HeaderFile
18 #define _Bisector_BisecAna_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_Type.hxx>
23 #include <Bisector_Curve.hxx>
24 #include <Standard_Real.hxx>
25 #include <GeomAbs_JoinType.hxx>
26 #include <Standard_Boolean.hxx>
27 #include <Standard_Integer.hxx>
28 #include <GeomAbs_Shape.hxx>
29 class Geom2d_TrimmedCurve;
30 class Standard_DomainError;
31 class Standard_RangeError;
37 class Geom2d_Geometry;
41 class Bisector_BisecAna;
42 DEFINE_STANDARD_HANDLE(Bisector_BisecAna, Bisector_Curve)
44 //! This class provides the bisecting line between two
45 //! geometric elements.The elements are Circles,Lines or
47 class Bisector_BisecAna : public Bisector_Curve
53 Standard_EXPORT Bisector_BisecAna();
55 //! Performs the bisecting line between the curves
57 //! <oncurve> is True if the point <P> is common to <Cu1>
59 Standard_EXPORT void Perform (const Handle(Geom2d_Curve)& Cu1, const Handle(Geom2d_Curve)& Cu2, const gp_Pnt2d& P, const gp_Vec2d& V1, const gp_Vec2d& V2, const Standard_Real Sense, const GeomAbs_JoinType jointype, const Standard_Real Tolerance, const Standard_Boolean oncurve = Standard_True);
61 //! Performs the bisecting line between the curve
62 //! <Cu1> and the point <Pnt>.
63 //! <oncurve> is True if the point <P> is the point <Pnt>.
64 Standard_EXPORT void Perform (const Handle(Geom2d_Curve)& Cu, const Handle(Geom2d_Point)& Pnt, const gp_Pnt2d& P, const gp_Vec2d& V1, const gp_Vec2d& V2, const Standard_Real Sense, const Standard_Real Tolerance, const Standard_Boolean oncurve = Standard_True);
66 //! Performs the bisecting line between the curve
67 //! <Cu> and the point <Pnt>.
68 //! <oncurve> is True if the point <P> is the point <Pnt>.
69 Standard_EXPORT void Perform (const Handle(Geom2d_Point)& Pnt, const Handle(Geom2d_Curve)& Cu, const gp_Pnt2d& P, const gp_Vec2d& V1, const gp_Vec2d& V2, const Standard_Real Sense, const Standard_Real Tolerance, const Standard_Boolean oncurve = Standard_True);
71 //! Performs the bisecting line between the two points
72 //! <Pnt1> and <Pnt2>.
73 Standard_EXPORT void Perform (const Handle(Geom2d_Point)& Pnt1, const Handle(Geom2d_Point)& Pnt2, const gp_Pnt2d& P, const gp_Vec2d& V1, const gp_Vec2d& V2, const Standard_Real Sense, const Standard_Real Tolerance = 0.0, const Standard_Boolean oncurve = Standard_True);
75 Standard_EXPORT void Init (const Handle(Geom2d_TrimmedCurve)& bisector);
77 Standard_EXPORT Standard_Boolean IsExtendAtStart() const;
79 Standard_EXPORT Standard_Boolean IsExtendAtEnd() const;
81 //! Trim <me> by a domain defined by the curve <Cu>.
82 //! This domain is the set of the points which are
83 //! nearest from <Cu> than the extremitis of <Cu>.
84 Standard_EXPORT void SetTrim (const Handle(Geom2d_Curve)& Cu);
86 //! Trim <me> by a domain defined by uf and ul
87 Standard_EXPORT void SetTrim (const Standard_Real uf, const Standard_Real ul);
89 Standard_EXPORT void Reverse();
91 Standard_EXPORT Standard_Real ReversedParameter (const Standard_Real U) const;
93 //! Returns the order of continuity of the curve.
95 Standard_EXPORT Standard_Boolean IsCN (const Standard_Integer N) const;
97 Standard_EXPORT Handle(Geom2d_Geometry) Copy() const;
99 Standard_EXPORT void Transform (const gp_Trsf2d& T);
101 Standard_EXPORT Standard_Real FirstParameter() const;
103 Standard_EXPORT Standard_Real LastParameter() const;
105 Standard_EXPORT Standard_Boolean IsClosed() const;
107 Standard_EXPORT Standard_Boolean IsPeriodic() const;
109 Standard_EXPORT GeomAbs_Shape Continuity() const;
111 Standard_EXPORT void D0 (const Standard_Real U, gp_Pnt2d& P) const;
113 Standard_EXPORT void D1 (const Standard_Real U, gp_Pnt2d& P, gp_Vec2d& V1) const;
115 Standard_EXPORT void D2 (const Standard_Real U, gp_Pnt2d& P, gp_Vec2d& V1, gp_Vec2d& V2) const;
117 Standard_EXPORT void D3 (const Standard_Real U, gp_Pnt2d& P, gp_Vec2d& V1, gp_Vec2d& V2, gp_Vec2d& V3) const;
119 Standard_EXPORT gp_Vec2d DN (const Standard_Real U, const Standard_Integer N) const;
121 Standard_EXPORT Handle(Geom2d_Curve) Geom2dCurve() const;
123 Standard_EXPORT Standard_Real Parameter (const gp_Pnt2d& P) const;
125 Standard_EXPORT Standard_Real ParameterOfStartPoint() const;
127 Standard_EXPORT Standard_Real ParameterOfEndPoint() const;
129 //! If necessary, breaks the curve in intervals of
130 //! continuity <C1>. And returns the number of
132 Standard_EXPORT Standard_Integer NbIntervals() const;
134 //! Returns the first parameter of the current
136 Standard_EXPORT Standard_Real IntervalFirst (const Standard_Integer Index) const;
138 //! Returns the last parameter of the current
140 Standard_EXPORT Standard_Real IntervalLast (const Standard_Integer Index) const;
142 Standard_EXPORT void Dump (const Standard_Integer Deep = 0, const Standard_Integer Offset = 0) const;
147 DEFINE_STANDARD_RTTI(Bisector_BisecAna,Bisector_Curve)
157 //! Returns the distance between the point <P> and
158 //! the bisecting <Bis>.
159 Standard_EXPORT Standard_Real Distance (const gp_Pnt2d& P, const Handle(GccInt_Bisec)& Bis, const gp_Vec2d& V1, const gp_Vec2d& V2, const gp_Vec2d& VecRef, const Standard_Real Sense, Standard_Real& U, Standard_Boolean& sense, Standard_Boolean& ok, const Standard_Boolean IsBisecOfTwoLines = Standard_False);
161 Handle(Geom2d_TrimmedCurve) thebisector;
172 #endif // _Bisector_BisecAna_HeaderFile