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1 | // Created on: 1993-07-06 |
2 | // Created by: Remi LEQUETTE |
3 | // Copyright (c) 1993-1999 Matra Datavision |
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4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
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5 | // |
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6 | // This file is part of Open CASCADE Technology software library. |
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7 | // |
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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 |
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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. |
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13 | // |
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14 | // Alternatively, this file may be used under the terms of Open CASCADE |
15 | // commercial license or contractual agreement. |
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16 | |
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17 | |
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18 | #include <BRep_CurveOnSurface.hxx> |
19 | #include <BRep_CurveRepresentation.hxx> |
20 | #include <Geom2d_Curve.hxx> |
21 | #include <Geom_Surface.hxx> |
22 | #include <gp_Pnt.hxx> |
23 | #include <gp_Pnt2d.hxx> |
24 | #include <Precision.hxx> |
25 | #include <Standard_Type.hxx> |
26 | #include <TopLoc_Location.hxx> |
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27 | |
28 | //======================================================================= |
29 | //function : BRep_CurveOnSurface |
30 | //purpose : |
31 | //======================================================================= |
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32 | BRep_CurveOnSurface::BRep_CurveOnSurface(const Handle(Geom2d_Curve)& PC, |
33 | const Handle(Geom_Surface)& S, |
34 | const TopLoc_Location& L) : |
35 | BRep_GCurve(L,PC->FirstParameter(),PC->LastParameter()), |
36 | myPCurve(PC), |
37 | mySurface(S) |
38 | { |
39 | } |
40 | |
41 | |
42 | //======================================================================= |
43 | //function : D0 |
44 | //purpose : |
45 | //======================================================================= |
46 | |
47 | void BRep_CurveOnSurface::D0(const Standard_Real U, gp_Pnt& P) const |
48 | { |
49 | // shoud be D0 NYI |
50 | gp_Pnt2d P2d = myPCurve->Value(U); |
51 | P = mySurface->Value(P2d.X(),P2d.Y()); |
52 | P.Transform(myLocation.Transformation()); |
53 | } |
54 | |
55 | //======================================================================= |
56 | //function : IsCurveOnSurface |
57 | //purpose : |
58 | //======================================================================= |
59 | |
60 | Standard_Boolean BRep_CurveOnSurface::IsCurveOnSurface()const |
61 | { |
62 | return Standard_True; |
63 | } |
64 | |
65 | //======================================================================= |
66 | //function : IsCurveOnSurface |
67 | //purpose : |
68 | //======================================================================= |
69 | |
70 | Standard_Boolean BRep_CurveOnSurface::IsCurveOnSurface |
71 | (const Handle(Geom_Surface)& S, const TopLoc_Location& L)const |
72 | { |
73 | return (S == mySurface) && (L == myLocation); |
74 | } |
75 | |
76 | |
77 | |
78 | //======================================================================= |
79 | //function : Surface |
80 | //purpose : |
81 | //======================================================================= |
82 | |
83 | const Handle(Geom_Surface)& BRep_CurveOnSurface::Surface()const |
84 | { |
85 | return mySurface; |
86 | } |
87 | |
88 | |
89 | //======================================================================= |
90 | //function : PCurve |
91 | //purpose : |
92 | //======================================================================= |
93 | |
94 | const Handle(Geom2d_Curve)& BRep_CurveOnSurface::PCurve()const |
95 | { |
96 | return myPCurve; |
97 | } |
98 | |
99 | //======================================================================= |
100 | //function : PCurve |
101 | //purpose : |
102 | //======================================================================= |
103 | |
104 | void BRep_CurveOnSurface::PCurve(const Handle(Geom2d_Curve)& C) |
105 | { |
106 | myPCurve = C; |
107 | } |
108 | |
109 | |
110 | //======================================================================= |
111 | //function : Copy |
112 | //purpose : |
113 | //======================================================================= |
114 | |
115 | Handle(BRep_CurveRepresentation) BRep_CurveOnSurface::Copy() const |
116 | { |
117 | Handle(BRep_CurveOnSurface) C = new BRep_CurveOnSurface(myPCurve, |
118 | mySurface, |
119 | Location()); |
120 | |
121 | C->SetRange(First(),Last()); |
122 | C->SetUVPoints(myUV1,myUV2); |
123 | |
124 | return C; |
125 | } |
126 | |
127 | |
128 | //======================================================================= |
129 | //function : Update |
130 | //purpose : |
131 | //======================================================================= |
132 | |
133 | void BRep_CurveOnSurface::Update() |
134 | { |
135 | Standard_Real f = First(); |
136 | Standard_Real l = Last(); |
137 | Standard_Boolean isneg = Precision::IsNegativeInfinite(f); |
138 | Standard_Boolean ispos = Precision::IsPositiveInfinite(l); |
139 | if (!isneg) { |
140 | myPCurve->D0(f,myUV1); |
141 | } |
142 | if (!ispos) { |
143 | myPCurve->D0(l,myUV2); |
144 | } |
145 | } |
146 | |
147 | |