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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 | |
17 | #include <BRep_CurveOnSurface.ixx> |
18 | #include <Precision.hxx> |
19 | |
20 | |
21 | //======================================================================= |
22 | //function : BRep_CurveOnSurface |
23 | //purpose : |
24 | //======================================================================= |
25 | |
26 | BRep_CurveOnSurface::BRep_CurveOnSurface(const Handle(Geom2d_Curve)& PC, |
27 | const Handle(Geom_Surface)& S, |
28 | const TopLoc_Location& L) : |
29 | BRep_GCurve(L,PC->FirstParameter(),PC->LastParameter()), |
30 | myPCurve(PC), |
31 | mySurface(S) |
32 | { |
33 | } |
34 | |
35 | |
36 | //======================================================================= |
37 | //function : D0 |
38 | //purpose : |
39 | //======================================================================= |
40 | |
41 | void BRep_CurveOnSurface::D0(const Standard_Real U, gp_Pnt& P) const |
42 | { |
43 | // shoud be D0 NYI |
44 | gp_Pnt2d P2d = myPCurve->Value(U); |
45 | P = mySurface->Value(P2d.X(),P2d.Y()); |
46 | P.Transform(myLocation.Transformation()); |
47 | } |
48 | |
49 | //======================================================================= |
50 | //function : IsCurveOnSurface |
51 | //purpose : |
52 | //======================================================================= |
53 | |
54 | Standard_Boolean BRep_CurveOnSurface::IsCurveOnSurface()const |
55 | { |
56 | return Standard_True; |
57 | } |
58 | |
59 | //======================================================================= |
60 | //function : IsCurveOnSurface |
61 | //purpose : |
62 | //======================================================================= |
63 | |
64 | Standard_Boolean BRep_CurveOnSurface::IsCurveOnSurface |
65 | (const Handle(Geom_Surface)& S, const TopLoc_Location& L)const |
66 | { |
67 | return (S == mySurface) && (L == myLocation); |
68 | } |
69 | |
70 | |
71 | |
72 | //======================================================================= |
73 | //function : Surface |
74 | //purpose : |
75 | //======================================================================= |
76 | |
77 | const Handle(Geom_Surface)& BRep_CurveOnSurface::Surface()const |
78 | { |
79 | return mySurface; |
80 | } |
81 | |
82 | |
83 | //======================================================================= |
84 | //function : PCurve |
85 | //purpose : |
86 | //======================================================================= |
87 | |
88 | const Handle(Geom2d_Curve)& BRep_CurveOnSurface::PCurve()const |
89 | { |
90 | return myPCurve; |
91 | } |
92 | |
93 | //======================================================================= |
94 | //function : PCurve |
95 | //purpose : |
96 | //======================================================================= |
97 | |
98 | void BRep_CurveOnSurface::PCurve(const Handle(Geom2d_Curve)& C) |
99 | { |
100 | myPCurve = C; |
101 | } |
102 | |
103 | |
104 | //======================================================================= |
105 | //function : Copy |
106 | //purpose : |
107 | //======================================================================= |
108 | |
109 | Handle(BRep_CurveRepresentation) BRep_CurveOnSurface::Copy() const |
110 | { |
111 | Handle(BRep_CurveOnSurface) C = new BRep_CurveOnSurface(myPCurve, |
112 | mySurface, |
113 | Location()); |
114 | |
115 | C->SetRange(First(),Last()); |
116 | C->SetUVPoints(myUV1,myUV2); |
117 | |
118 | return C; |
119 | } |
120 | |
121 | |
122 | //======================================================================= |
123 | //function : Update |
124 | //purpose : |
125 | //======================================================================= |
126 | |
127 | void BRep_CurveOnSurface::Update() |
128 | { |
129 | Standard_Real f = First(); |
130 | Standard_Real l = Last(); |
131 | Standard_Boolean isneg = Precision::IsNegativeInfinite(f); |
132 | Standard_Boolean ispos = Precision::IsPositiveInfinite(l); |
133 | if (!isneg) { |
134 | myPCurve->D0(f,myUV1); |
135 | } |
136 | if (!ispos) { |
137 | myPCurve->D0(l,myUV2); |
138 | } |
139 | } |
140 | |
141 | |