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1 | // Created on: 1998-02-26 |
2 | // Created by: Roman BORISOV |
3 | // Copyright (c) 1998-1999 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 _GeomFill_SnglrFunc_HeaderFile |
18 | #define _GeomFill_SnglrFunc_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
21 | #include <Standard_DefineAlloc.hxx> |
22 | #include <Standard_Handle.hxx> |
23 | |
24 | #include <Standard_Real.hxx> |
25 | #include <Adaptor3d_Curve.hxx> |
26 | #include <Standard_Integer.hxx> |
27 | #include <GeomAbs_Shape.hxx> |
28 | #include <TColStd_Array1OfReal.hxx> |
29 | #include <Standard_Boolean.hxx> |
30 | #include <GeomAbs_CurveType.hxx> |
31 | class Adaptor3d_HCurve; |
32 | class Standard_OutOfRange; |
33 | class Standard_DomainError; |
34 | class gp_Pnt; |
35 | class gp_Vec; |
36 | |
37 | |
38 | //! to represent function C'(t)^C''(t) |
39 | class GeomFill_SnglrFunc : public Adaptor3d_Curve |
40 | { |
41 | public: |
42 | |
43 | DEFINE_STANDARD_ALLOC |
44 | |
45 | |
46 | Standard_EXPORT GeomFill_SnglrFunc(const Handle(Adaptor3d_HCurve)& HC); |
47 | |
48 | Standard_EXPORT void SetRatio (const Standard_Real Ratio); |
49 | |
50 | Standard_EXPORT Standard_Real FirstParameter() const Standard_OVERRIDE; |
51 | |
52 | Standard_EXPORT Standard_Real LastParameter() const Standard_OVERRIDE; |
53 | |
54 | //! Returns the number of intervals for continuity |
55 | //! <S>. May be one if Continuity(me) >= <S> |
56 | Standard_EXPORT Standard_Integer NbIntervals (const GeomAbs_Shape S) const Standard_OVERRIDE; |
57 | |
58 | //! Stores in <T> the parameters bounding the intervals |
59 | //! of continuity <S>. |
60 | //! |
61 | //! The array must provide enough room to accomodate |
62 | //! for the parameters. i.e. T.Length() > NbIntervals() |
63 | Standard_EXPORT void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE; |
64 | |
65 | //! Computes the point of parameter U on the curve. |
66 | Standard_EXPORT gp_Pnt Value (const Standard_Real U) const Standard_OVERRIDE; |
67 | |
68 | Standard_EXPORT Standard_Boolean IsPeriodic() const Standard_OVERRIDE; |
69 | |
70 | Standard_EXPORT Standard_Real Period() const Standard_OVERRIDE; |
71 | |
72 | //! Computes the point of parameter U on the curve. |
73 | Standard_EXPORT void D0 (const Standard_Real U, gp_Pnt& P) const Standard_OVERRIDE; |
74 | |
75 | //! Computes the point of parameter U on the curve with its |
76 | //! first derivative. |
77 | //! Raised if the continuity of the current interval |
78 | //! is not C1. |
79 | Standard_EXPORT void D1 (const Standard_Real U, gp_Pnt& P, gp_Vec& V) const Standard_OVERRIDE; |
80 | |
81 | |
82 | //! Returns the point P of parameter U, the first and second |
83 | //! derivatives V1 and V2. |
84 | //! Raised if the continuity of the current interval |
85 | //! is not C2. |
86 | Standard_EXPORT void D2 (const Standard_Real U, gp_Pnt& P, gp_Vec& V1, gp_Vec& V2) const Standard_OVERRIDE; |
87 | |
88 | |
89 | //! Returns the point P of parameter U, the first, the second |
90 | //! and the third derivative. |
91 | //! Raised if the continuity of the current interval |
92 | //! is not C1. |
93 | Standard_EXPORT void D3 (const Standard_Real U, gp_Pnt& P, gp_Vec& V1, gp_Vec& V2, gp_Vec& V3) const Standard_OVERRIDE; |
94 | |
95 | |
96 | //! The returned vector gives the value of the derivative for the |
97 | //! order of derivation N. |
98 | //! Raised if N < 1. |
99 | Standard_EXPORT gp_Vec DN (const Standard_Real U, const Standard_Integer N) const Standard_OVERRIDE; |
100 | |
101 | //! Returns the parametric resolution corresponding |
102 | //! to the real space resolution <R3d>. |
103 | Standard_EXPORT Standard_Real Resolution (const Standard_Real R3d) const Standard_OVERRIDE; |
104 | |
105 | //! Returns the type of the curve in the current |
106 | //! interval : Line, Circle, Ellipse, Hyperbola, |
107 | //! Parabola, BezierCurve, BSplineCurve, OtherCurve. |
108 | Standard_EXPORT GeomAbs_CurveType GetType() const Standard_OVERRIDE; |
109 | |
110 | |
111 | |
112 | |
113 | protected: |
114 | |
115 | |
116 | |
117 | |
118 | |
119 | private: |
120 | |
121 | |
122 | |
123 | Handle(Adaptor3d_HCurve) myHCurve; |
124 | Standard_Real ratio; |
125 | |
126 | |
127 | }; |
128 | |
129 | |
130 | |
131 | |
132 | |
133 | |
134 | |
135 | #endif // _GeomFill_SnglrFunc_HeaderFile |