1 // Created on: 1997-01-10
2 // Created by: Bruno DUMORTIER
3 // Copyright (c) 1997-1999 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 _BiTgte_CurveOnEdge_HeaderFile
18 #define _BiTgte_CurveOnEdge_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
24 #include <TopoDS_Edge.hxx>
25 #include <GeomAbs_CurveType.hxx>
26 #include <gp_Circ.hxx>
27 #include <Adaptor3d_Curve.hxx>
28 #include <Standard_Real.hxx>
29 #include <GeomAbs_Shape.hxx>
30 #include <Standard_Integer.hxx>
31 #include <TColStd_Array1OfReal.hxx>
32 #include <Standard_Boolean.hxx>
40 class Geom_BezierCurve;
41 class Geom_BSplineCurve;
43 DEFINE_STANDARD_HANDLE(BiTgte_CurveOnEdge, Adaptor3d_Curve)
45 //! private class used to create a filler rolling on
47 class BiTgte_CurveOnEdge : public Adaptor3d_Curve
49 DEFINE_STANDARD_RTTIEXT(BiTgte_CurveOnEdge, Adaptor3d_Curve)
52 Standard_EXPORT BiTgte_CurveOnEdge();
54 Standard_EXPORT BiTgte_CurveOnEdge(const TopoDS_Edge& EonF, const TopoDS_Edge& Edge);
56 //! Shallow copy of adaptor
57 Standard_EXPORT virtual Handle(Adaptor3d_Curve) ShallowCopy() const Standard_OVERRIDE;
59 Standard_EXPORT void Init (const TopoDS_Edge& EonF, const TopoDS_Edge& Edge);
61 Standard_EXPORT Standard_Real FirstParameter() const Standard_OVERRIDE;
63 Standard_EXPORT Standard_Real LastParameter() const Standard_OVERRIDE;
65 Standard_EXPORT GeomAbs_Shape Continuity() const Standard_OVERRIDE;
67 //! Returns the number of intervals for continuity
68 //! <S>. May be one if Continuity(me) >= <S>
69 Standard_EXPORT Standard_Integer NbIntervals (const GeomAbs_Shape S) const Standard_OVERRIDE;
71 //! Stores in <T> the parameters bounding the intervals
72 //! of continuity <S>.
74 //! The array must provide enough room to accommodate
75 //! for the parameters. i.e. T.Length() > NbIntervals()
76 Standard_EXPORT void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE;
78 //! Returns a curve equivalent of <me> between
79 //! parameters <First> and <Last>. <Tol> is used to
80 //! test for 3d points confusion.
81 //! If <First> >= <Last>
82 Standard_EXPORT Handle(Adaptor3d_Curve) Trim (const Standard_Real First, const Standard_Real Last, const Standard_Real Tol) const Standard_OVERRIDE;
84 Standard_EXPORT Standard_Boolean IsClosed() const Standard_OVERRIDE;
86 Standard_EXPORT Standard_Boolean IsPeriodic() const Standard_OVERRIDE;
88 Standard_EXPORT Standard_Real Period() const Standard_OVERRIDE;
90 //! Computes the point of parameter U on the curve.
91 Standard_EXPORT gp_Pnt Value (const Standard_Real U) const Standard_OVERRIDE;
93 //! Computes the point of parameter U on the curve.
94 Standard_EXPORT void D0 (const Standard_Real U, gp_Pnt& P) const Standard_OVERRIDE;
96 //! Computes the point of parameter U on the curve with its
98 //! Raised if the continuity of the current interval
100 Standard_EXPORT void D1 (const Standard_Real U, gp_Pnt& P, gp_Vec& V) const Standard_OVERRIDE;
103 //! Returns the point P of parameter U, the first and second
104 //! derivatives V1 and V2.
105 //! Raised if the continuity of the current interval
107 Standard_EXPORT void D2 (const Standard_Real U, gp_Pnt& P, gp_Vec& V1, gp_Vec& V2) const Standard_OVERRIDE;
110 //! Returns the point P of parameter U, the first, the second
111 //! and the third derivative.
112 //! Raised if the continuity of the current interval
114 Standard_EXPORT void D3 (const Standard_Real U, gp_Pnt& P, gp_Vec& V1, gp_Vec& V2, gp_Vec& V3) const Standard_OVERRIDE;
117 //! The returned vector gives the value of the derivative for the
118 //! order of derivation N.
119 //! Raised if the continuity of the current interval
122 Standard_EXPORT gp_Vec DN (const Standard_Real U, const Standard_Integer N) const Standard_OVERRIDE;
124 //! Returns the parametric resolution corresponding
125 //! to the real space resolution <R3d>.
126 Standard_EXPORT Standard_Real Resolution (const Standard_Real R3d) const Standard_OVERRIDE;
128 //! Returns the type of the curve in the current
129 //! interval : Line, Circle, Ellipse, Hyperbola,
130 //! Parabola, BezierCurve, BSplineCurve, OtherCurve.
131 Standard_EXPORT GeomAbs_CurveType GetType() const Standard_OVERRIDE;
133 Standard_EXPORT gp_Lin Line() const Standard_OVERRIDE;
135 Standard_EXPORT gp_Circ Circle() const Standard_OVERRIDE;
137 Standard_EXPORT gp_Elips Ellipse() const Standard_OVERRIDE;
139 Standard_EXPORT gp_Hypr Hyperbola() const Standard_OVERRIDE;
141 Standard_EXPORT gp_Parab Parabola() const Standard_OVERRIDE;
143 Standard_EXPORT Standard_Integer Degree() const Standard_OVERRIDE;
145 Standard_EXPORT Standard_Boolean IsRational() const Standard_OVERRIDE;
147 Standard_EXPORT Standard_Integer NbPoles() const Standard_OVERRIDE;
149 Standard_EXPORT Standard_Integer NbKnots() const Standard_OVERRIDE;
151 Standard_EXPORT Handle(Geom_BezierCurve) Bezier() const Standard_OVERRIDE;
153 Standard_EXPORT Handle(Geom_BSplineCurve) BSpline() const Standard_OVERRIDE;
159 Handle(Geom_Curve) myCurv;
160 Handle(Geom_Curve) myConF;
161 GeomAbs_CurveType myType;
166 #endif // _BiTgte_CurveOnEdge_HeaderFile