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1 | // Created on: 1997-03-21 |
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_CurveOnVertex_HeaderFile |
18 | #define _BiTgte_CurveOnVertex_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
21 | #include <Standard_DefineAlloc.hxx> |
22 | #include <Standard_Handle.hxx> |
23 | |
24 | #include <Standard_Real.hxx> |
25 | #include <gp_Pnt.hxx> |
26 | #include <Adaptor3d_Curve.hxx> |
27 | #include <GeomAbs_Shape.hxx> |
28 | #include <Standard_Integer.hxx> |
29 | #include <TColStd_Array1OfReal.hxx> |
30 | #include <Standard_Boolean.hxx> |
31 | #include <GeomAbs_CurveType.hxx> |
32 | class Standard_OutOfRange; |
33 | class Standard_NoSuchObject; |
34 | class Standard_DomainError; |
35 | class TopoDS_Edge; |
36 | class TopoDS_Vertex; |
37 | class Adaptor3d_HCurve; |
38 | class gp_Pnt; |
39 | class gp_Vec; |
40 | class gp_Lin; |
41 | class gp_Circ; |
42 | class gp_Elips; |
43 | class gp_Hypr; |
44 | class gp_Parab; |
45 | class Geom_BezierCurve; |
46 | class Geom_BSplineCurve; |
47 | |
48 | |
49 | //! private class used to create a filler rolling on |
50 | //! an edge. |
51 | class BiTgte_CurveOnVertex : public Adaptor3d_Curve |
52 | { |
53 | public: |
54 | |
55 | DEFINE_STANDARD_ALLOC |
56 | |
57 | |
58 | Standard_EXPORT BiTgte_CurveOnVertex(); |
59 | |
60 | Standard_EXPORT BiTgte_CurveOnVertex(const TopoDS_Edge& EonF, const TopoDS_Vertex& V); |
61 | |
62 | Standard_EXPORT void Init (const TopoDS_Edge& EonF, const TopoDS_Vertex& V); |
63 | |
64 | Standard_EXPORT Standard_Real FirstParameter() const Standard_OVERRIDE; |
65 | |
66 | Standard_EXPORT Standard_Real LastParameter() const Standard_OVERRIDE; |
67 | |
68 | Standard_EXPORT GeomAbs_Shape Continuity() const Standard_OVERRIDE; |
69 | |
70 | //! Returns the number of intervals for continuity |
71 | //! <S>. May be one if Continuity(me) >= <S> |
72 | Standard_EXPORT Standard_Integer NbIntervals (const GeomAbs_Shape S) const Standard_OVERRIDE; |
73 | |
74 | //! Stores in <T> the parameters bounding the intervals |
75 | //! of continuity <S>. |
76 | //! |
77 | //! The array must provide enough room to accomodate |
78 | //! for the parameters. i.e. T.Length() > NbIntervals() |
79 | Standard_EXPORT void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE; |
80 | |
81 | //! Returns a curve equivalent of <me> between |
82 | //! parameters <First> and <Last>. <Tol> is used to |
83 | //! test for 3d points confusion. |
84 | //! If <First> >= <Last> |
85 | Standard_EXPORT Handle(Adaptor3d_HCurve) Trim (const Standard_Real First, const Standard_Real Last, const Standard_Real Tol) const Standard_OVERRIDE; |
86 | |
87 | Standard_EXPORT Standard_Boolean IsClosed() const Standard_OVERRIDE; |
88 | |
89 | Standard_EXPORT Standard_Boolean IsPeriodic() const Standard_OVERRIDE; |
90 | |
91 | Standard_EXPORT Standard_Real Period() const Standard_OVERRIDE; |
92 | |
93 | //! Computes the point of parameter U on the curve. |
94 | Standard_EXPORT gp_Pnt Value (const Standard_Real U) const Standard_OVERRIDE; |
95 | |
96 | //! Computes the point of parameter U on the curve. |
97 | Standard_EXPORT void D0 (const Standard_Real U, gp_Pnt& P) const Standard_OVERRIDE; |
98 | |
99 | //! Computes the point of parameter U on the curve with its |
100 | //! first derivative. |
101 | //! Raised if the continuity of the current interval |
102 | //! is not C1. |
103 | Standard_EXPORT void D1 (const Standard_Real U, gp_Pnt& P, gp_Vec& V) const Standard_OVERRIDE; |
104 | |
105 | |
106 | //! Returns the point P of parameter U, the first and second |
107 | //! derivatives V1 and V2. |
108 | //! Raised if the continuity of the current interval |
109 | //! is not C2. |
110 | Standard_EXPORT void D2 (const Standard_Real U, gp_Pnt& P, gp_Vec& V1, gp_Vec& V2) const Standard_OVERRIDE; |
111 | |
112 | |
113 | //! Returns the point P of parameter U, the first, the second |
114 | //! and the third derivative. |
115 | //! Raised if the continuity of the current interval |
116 | //! is not C3. |
117 | Standard_EXPORT void D3 (const Standard_Real U, gp_Pnt& P, gp_Vec& V1, gp_Vec& V2, gp_Vec& V3) const Standard_OVERRIDE; |
118 | |
119 | |
120 | //! The returned vector gives the value of the derivative for the |
121 | //! order of derivation N. |
122 | //! Raised if the continuity of the current interval |
123 | //! is not CN. |
124 | //! Raised if N < 1. |
125 | Standard_EXPORT gp_Vec DN (const Standard_Real U, const Standard_Integer N) const Standard_OVERRIDE; |
126 | |
127 | //! Returns the parametric resolution corresponding |
128 | //! to the real space resolution <R3d>. |
129 | Standard_EXPORT Standard_Real Resolution (const Standard_Real R3d) const Standard_OVERRIDE; |
130 | |
131 | //! Returns the type of the curve in the current |
132 | //! interval : Line, Circle, Ellipse, Hyperbola, |
133 | //! Parabola, BezierCurve, BSplineCurve, OtherCurve. |
134 | Standard_EXPORT GeomAbs_CurveType GetType() const Standard_OVERRIDE; |
135 | |
136 | Standard_EXPORT gp_Lin Line() const Standard_OVERRIDE; |
137 | |
138 | Standard_EXPORT gp_Circ Circle() const Standard_OVERRIDE; |
139 | |
140 | Standard_EXPORT gp_Elips Ellipse() const Standard_OVERRIDE; |
141 | |
142 | Standard_EXPORT gp_Hypr Hyperbola() const Standard_OVERRIDE; |
143 | |
144 | Standard_EXPORT gp_Parab Parabola() const Standard_OVERRIDE; |
145 | |
146 | Standard_EXPORT Standard_Integer Degree() const Standard_OVERRIDE; |
147 | |
148 | Standard_EXPORT Standard_Boolean IsRational() const Standard_OVERRIDE; |
149 | |
150 | Standard_EXPORT Standard_Integer NbPoles() const Standard_OVERRIDE; |
151 | |
152 | Standard_EXPORT Standard_Integer NbKnots() const Standard_OVERRIDE; |
153 | |
154 | Standard_EXPORT Handle(Geom_BezierCurve) Bezier() const Standard_OVERRIDE; |
155 | |
156 | Standard_EXPORT Handle(Geom_BSplineCurve) BSpline() const Standard_OVERRIDE; |
157 | |
158 | |
159 | |
160 | |
161 | protected: |
162 | |
163 | |
164 | |
165 | |
166 | |
167 | private: |
168 | |
169 | |
170 | |
171 | Standard_Real myFirst; |
172 | Standard_Real myLast; |
173 | gp_Pnt myPnt; |
174 | |
175 | |
176 | }; |
177 | |
178 | |
179 | |
180 | |
181 | |
182 | |
183 | |
184 | #endif // _BiTgte_CurveOnVertex_HeaderFile |