0030694: Data Exchange - support non-standard GB2312-encoded STEP files
[occt.git] / src / BRep / BRep_CurveOnSurface.cxx
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b311480e 1// Created on: 1993-07-06
2// Created by: Remi LEQUETTE
3// Copyright (c) 1993-1999 Matra Datavision
973c2be1 4// Copyright (c) 1999-2014 OPEN CASCADE SAS
b311480e 5//
973c2be1 6// This file is part of Open CASCADE Technology software library.
b311480e 7//
d5f74e42 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
973c2be1 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.
b311480e 13//
973c2be1 14// Alternatively, this file may be used under the terms of Open CASCADE
15// commercial license or contractual agreement.
7fd59977 16
7fd59977 17
42cf5bc1 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>
7fd59977 27
92efcf78 28IMPLEMENT_STANDARD_RTTIEXT(BRep_CurveOnSurface,BRep_GCurve)
29
7fd59977 30//=======================================================================
31//function : BRep_CurveOnSurface
32//purpose :
33//=======================================================================
7fd59977 34BRep_CurveOnSurface::BRep_CurveOnSurface(const Handle(Geom2d_Curve)& PC,
35 const Handle(Geom_Surface)& S,
36 const TopLoc_Location& L) :
37 BRep_GCurve(L,PC->FirstParameter(),PC->LastParameter()),
38 myPCurve(PC),
39 mySurface(S)
40{
41}
42
43
44//=======================================================================
45//function : D0
46//purpose :
47//=======================================================================
48
49void BRep_CurveOnSurface::D0(const Standard_Real U, gp_Pnt& P) const
50{
51 // shoud be D0 NYI
52 gp_Pnt2d P2d = myPCurve->Value(U);
53 P = mySurface->Value(P2d.X(),P2d.Y());
54 P.Transform(myLocation.Transformation());
55}
56
57//=======================================================================
58//function : IsCurveOnSurface
59//purpose :
60//=======================================================================
61
62Standard_Boolean BRep_CurveOnSurface::IsCurveOnSurface()const
63{
64 return Standard_True;
65}
66
67//=======================================================================
68//function : IsCurveOnSurface
69//purpose :
70//=======================================================================
71
72Standard_Boolean BRep_CurveOnSurface::IsCurveOnSurface
73 (const Handle(Geom_Surface)& S, const TopLoc_Location& L)const
74{
75 return (S == mySurface) && (L == myLocation);
76}
77
78
79
80//=======================================================================
81//function : Surface
82//purpose :
83//=======================================================================
84
85const Handle(Geom_Surface)& BRep_CurveOnSurface::Surface()const
86{
87 return mySurface;
88}
89
90
91//=======================================================================
92//function : PCurve
93//purpose :
94//=======================================================================
95
96const Handle(Geom2d_Curve)& BRep_CurveOnSurface::PCurve()const
97{
98 return myPCurve;
99}
100
101//=======================================================================
102//function : PCurve
103//purpose :
104//=======================================================================
105
106void BRep_CurveOnSurface::PCurve(const Handle(Geom2d_Curve)& C)
107{
108 myPCurve = C;
109}
110
111
112//=======================================================================
113//function : Copy
114//purpose :
115//=======================================================================
116
117Handle(BRep_CurveRepresentation) BRep_CurveOnSurface::Copy() const
118{
119 Handle(BRep_CurveOnSurface) C = new BRep_CurveOnSurface(myPCurve,
120 mySurface,
121 Location());
122
123 C->SetRange(First(),Last());
124 C->SetUVPoints(myUV1,myUV2);
125
126 return C;
127}
128
129
130//=======================================================================
131//function : Update
132//purpose :
133//=======================================================================
134
135void BRep_CurveOnSurface::Update()
136{
137 Standard_Real f = First();
138 Standard_Real l = Last();
139 Standard_Boolean isneg = Precision::IsNegativeInfinite(f);
140 Standard_Boolean ispos = Precision::IsPositiveInfinite(l);
141 if (!isneg) {
142 myPCurve->D0(f,myUV1);
143 }
144 if (!ispos) {
145 myPCurve->D0(l,myUV2);
146 }
147}
148
149