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[occt.git] / src / BiTgte / BiTgte_CurveOnEdge.hxx
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42cf5bc1 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
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 _BiTgte_CurveOnEdge_HeaderFile
18#define _BiTgte_CurveOnEdge_HeaderFile
19
20#include <Standard.hxx>
21#include <Standard_DefineAlloc.hxx>
22#include <Standard_Handle.hxx>
23
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>
33class Geom_Curve;
34class Standard_OutOfRange;
35class Standard_NoSuchObject;
36class Standard_DomainError;
37class TopoDS_Edge;
38class Adaptor3d_HCurve;
39class gp_Pnt;
40class gp_Vec;
41class gp_Lin;
42class gp_Circ;
43class gp_Elips;
44class gp_Hypr;
45class gp_Parab;
46class Geom_BezierCurve;
47class Geom_BSplineCurve;
48
49
50//! private class used to create a filler rolling on
51//! an edge.
52class BiTgte_CurveOnEdge : public Adaptor3d_Curve
53{
54public:
55
56 DEFINE_STANDARD_ALLOC
57
58
59 Standard_EXPORT BiTgte_CurveOnEdge();
60
61 Standard_EXPORT BiTgte_CurveOnEdge(const TopoDS_Edge& EonF, const TopoDS_Edge& Edge);
62
63 Standard_EXPORT void Init (const TopoDS_Edge& EonF, const TopoDS_Edge& Edge);
64
65 Standard_EXPORT Standard_Real FirstParameter() const Standard_OVERRIDE;
66
67 Standard_EXPORT Standard_Real LastParameter() const Standard_OVERRIDE;
68
69 Standard_EXPORT GeomAbs_Shape Continuity() const Standard_OVERRIDE;
70
71 //! Returns the number of intervals for continuity
72 //! <S>. May be one if Continuity(me) >= <S>
73 Standard_EXPORT Standard_Integer NbIntervals (const GeomAbs_Shape S) const Standard_OVERRIDE;
74
75 //! Stores in <T> the parameters bounding the intervals
76 //! of continuity <S>.
77 //!
78 //! The array must provide enough room to accomodate
79 //! for the parameters. i.e. T.Length() > NbIntervals()
80 Standard_EXPORT void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE;
81
82 //! Returns a curve equivalent of <me> between
83 //! parameters <First> and <Last>. <Tol> is used to
84 //! test for 3d points confusion.
85 //! If <First> >= <Last>
86 Standard_EXPORT Handle(Adaptor3d_HCurve) Trim (const Standard_Real First, const Standard_Real Last, const Standard_Real Tol) const Standard_OVERRIDE;
87
88 Standard_EXPORT Standard_Boolean IsClosed() const Standard_OVERRIDE;
89
90 Standard_EXPORT Standard_Boolean IsPeriodic() const Standard_OVERRIDE;
91
92 Standard_EXPORT Standard_Real Period() const Standard_OVERRIDE;
93
94 //! Computes the point of parameter U on the curve.
95 Standard_EXPORT gp_Pnt Value (const Standard_Real U) const Standard_OVERRIDE;
96
97 //! Computes the point of parameter U on the curve.
98 Standard_EXPORT void D0 (const Standard_Real U, gp_Pnt& P) const Standard_OVERRIDE;
99
100 //! Computes the point of parameter U on the curve with its
101 //! first derivative.
102 //! Raised if the continuity of the current interval
103 //! is not C1.
104 Standard_EXPORT void D1 (const Standard_Real U, gp_Pnt& P, gp_Vec& V) const Standard_OVERRIDE;
105
106
107 //! Returns the point P of parameter U, the first and second
108 //! derivatives V1 and V2.
109 //! Raised if the continuity of the current interval
110 //! is not C2.
111 Standard_EXPORT void D2 (const Standard_Real U, gp_Pnt& P, gp_Vec& V1, gp_Vec& V2) const Standard_OVERRIDE;
112
113
114 //! Returns the point P of parameter U, the first, the second
115 //! and the third derivative.
116 //! Raised if the continuity of the current interval
117 //! is not C3.
118 Standard_EXPORT void D3 (const Standard_Real U, gp_Pnt& P, gp_Vec& V1, gp_Vec& V2, gp_Vec& V3) const Standard_OVERRIDE;
119
120
121 //! The returned vector gives the value of the derivative for the
122 //! order of derivation N.
123 //! Raised if the continuity of the current interval
124 //! is not CN.
125 //! Raised if N < 1.
126 Standard_EXPORT gp_Vec DN (const Standard_Real U, const Standard_Integer N) const Standard_OVERRIDE;
127
128 //! Returns the parametric resolution corresponding
129 //! to the real space resolution <R3d>.
130 Standard_EXPORT Standard_Real Resolution (const Standard_Real R3d) const Standard_OVERRIDE;
131
132 //! Returns the type of the curve in the current
133 //! interval : Line, Circle, Ellipse, Hyperbola,
134 //! Parabola, BezierCurve, BSplineCurve, OtherCurve.
135 Standard_EXPORT GeomAbs_CurveType GetType() const Standard_OVERRIDE;
136
137 Standard_EXPORT gp_Lin Line() const Standard_OVERRIDE;
138
139 Standard_EXPORT gp_Circ Circle() const Standard_OVERRIDE;
140
141 Standard_EXPORT gp_Elips Ellipse() const Standard_OVERRIDE;
142
143 Standard_EXPORT gp_Hypr Hyperbola() const Standard_OVERRIDE;
144
145 Standard_EXPORT gp_Parab Parabola() const Standard_OVERRIDE;
146
147 Standard_EXPORT Standard_Integer Degree() const Standard_OVERRIDE;
148
149 Standard_EXPORT Standard_Boolean IsRational() const Standard_OVERRIDE;
150
151 Standard_EXPORT Standard_Integer NbPoles() const Standard_OVERRIDE;
152
153 Standard_EXPORT Standard_Integer NbKnots() const Standard_OVERRIDE;
154
155 Standard_EXPORT Handle(Geom_BezierCurve) Bezier() const Standard_OVERRIDE;
156
157 Standard_EXPORT Handle(Geom_BSplineCurve) BSpline() const Standard_OVERRIDE;
158
159
160
161
162protected:
163
164
165
166
167
168private:
169
170
171
172 TopoDS_Edge myEdge;
173 TopoDS_Edge myEonF;
174 Handle(Geom_Curve) myCurv;
175 Handle(Geom_Curve) myConF;
176 GeomAbs_CurveType myType;
177 gp_Circ myCirc;
178
179
180};
181
182
183
184
185
186
187
188#endif // _BiTgte_CurveOnEdge_HeaderFile