1 // Created on: 1995-05-02
2 // Created by: Modelistation
3 // Copyright (c) 1995-1999 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 _Adaptor2d_Line2d_HeaderFile
18 #define _Adaptor2d_Line2d_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
23 #include <Standard_Real.hxx>
24 #include <Adaptor2d_Curve2d.hxx>
25 #include <GeomAbs_Shape.hxx>
26 #include <Standard_Integer.hxx>
27 #include <TColStd_Array1OfReal.hxx>
28 #include <Standard_Boolean.hxx>
29 #include <GeomAbs_CurveType.hxx>
38 class Geom2d_BezierCurve;
39 class Geom2d_BSplineCurve;
41 //! Use by the TopolTool to trim a surface.
43 class Adaptor2d_Line2d : public Adaptor2d_Curve2d
45 DEFINE_STANDARD_RTTIEXT(Adaptor2d_Line2d, Adaptor2d_Curve2d)
48 Standard_EXPORT Adaptor2d_Line2d();
50 Standard_EXPORT Adaptor2d_Line2d(const gp_Pnt2d& P, const gp_Dir2d& D, const Standard_Real UFirst, const Standard_Real ULast);
52 //! Shallow copy of adaptor
53 Standard_EXPORT virtual Handle(Adaptor2d_Curve2d) ShallowCopy() const Standard_OVERRIDE;
55 Standard_EXPORT void Load (const gp_Lin2d& L);
57 Standard_EXPORT void Load (const gp_Lin2d& L, const Standard_Real UFirst, const Standard_Real ULast);
59 Standard_EXPORT Standard_Real FirstParameter() const Standard_OVERRIDE;
61 Standard_EXPORT Standard_Real LastParameter() const Standard_OVERRIDE;
63 Standard_EXPORT GeomAbs_Shape Continuity() const Standard_OVERRIDE;
65 //! If necessary, breaks the curve in intervals of
66 //! continuity <S>. And returns the number of
68 Standard_EXPORT Standard_Integer NbIntervals (const GeomAbs_Shape S) const Standard_OVERRIDE;
70 //! Stores in <T> the parameters bounding the intervals
71 //! of continuity <S>.
73 //! The array must provide enough room to accommodate
74 //! for the parameters. i.e. T.Length() > NbIntervals()
75 Standard_EXPORT void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE;
77 //! Returns a curve equivalent of <me> between
78 //! parameters <First> and <Last>. <Tol> is used to
79 //! test for 3d points confusion.
80 //! If <First> >= <Last>
81 Standard_EXPORT Handle(Adaptor2d_Curve2d) Trim (const Standard_Real First, const Standard_Real Last, const Standard_Real Tol) const Standard_OVERRIDE;
83 Standard_EXPORT Standard_Boolean IsClosed() const Standard_OVERRIDE;
85 Standard_EXPORT Standard_Boolean IsPeriodic() const Standard_OVERRIDE;
87 Standard_EXPORT Standard_Real Period() const Standard_OVERRIDE;
89 Standard_EXPORT gp_Pnt2d Value (const Standard_Real X) const Standard_OVERRIDE;
91 Standard_EXPORT void D0 (const Standard_Real X, gp_Pnt2d& P) const Standard_OVERRIDE;
93 Standard_EXPORT void D1 (const Standard_Real X, gp_Pnt2d& P, gp_Vec2d& V) const Standard_OVERRIDE;
95 Standard_EXPORT void D2 (const Standard_Real X, gp_Pnt2d& P, gp_Vec2d& V1, gp_Vec2d& V2) const Standard_OVERRIDE;
97 Standard_EXPORT void D3 (const Standard_Real X, gp_Pnt2d& P, gp_Vec2d& V1, gp_Vec2d& V2, gp_Vec2d& V3) const Standard_OVERRIDE;
99 Standard_EXPORT gp_Vec2d DN (const Standard_Real U, const Standard_Integer N) const Standard_OVERRIDE;
101 Standard_EXPORT Standard_Real Resolution (const Standard_Real R3d) const Standard_OVERRIDE;
103 Standard_EXPORT GeomAbs_CurveType GetType() const Standard_OVERRIDE;
105 Standard_EXPORT gp_Lin2d Line() const Standard_OVERRIDE;
107 Standard_EXPORT gp_Circ2d Circle() const Standard_OVERRIDE;
109 Standard_EXPORT gp_Elips2d Ellipse() const Standard_OVERRIDE;
111 Standard_EXPORT gp_Hypr2d Hyperbola() const Standard_OVERRIDE;
113 Standard_EXPORT gp_Parab2d Parabola() const Standard_OVERRIDE;
115 Standard_EXPORT Standard_Integer Degree() const Standard_OVERRIDE;
117 Standard_EXPORT Standard_Boolean IsRational() const Standard_OVERRIDE;
119 Standard_EXPORT Standard_Integer NbPoles() const Standard_OVERRIDE;
121 Standard_EXPORT Standard_Integer NbKnots() const Standard_OVERRIDE;
123 Standard_EXPORT Handle(Geom2d_BezierCurve) Bezier() const Standard_OVERRIDE;
125 Standard_EXPORT Handle(Geom2d_BSplineCurve) BSpline() const Standard_OVERRIDE;
129 Standard_Real myUfirst;
130 Standard_Real myUlast;
135 DEFINE_STANDARD_HANDLE(Adaptor2d_Line2d, Adaptor2d_Curve2d)
137 #endif // _Adaptor2d_Line2d_HeaderFile