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1 | // Created on: 1995-07-20 |
2 | // Created by: Modelistation |
3 | // Copyright (c) 1995-1999 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 <BRepApprox_ApproxLine.hxx> |
19 | #include <Geom2d_BSplineCurve.hxx> |
20 | #include <Geom_BSplineCurve.hxx> |
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21 | #include <gp_Pnt2d.hxx> |
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22 | #include <IntSurf_LineOn2S.hxx> |
23 | #include <IntSurf_PntOn2S.hxx> |
24 | #include <Standard_Type.hxx> |
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25 | |
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26 | IMPLEMENT_STANDARD_RTTIEXT(BRepApprox_ApproxLine,MMgt_TShared) |
27 | |
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28 | //======================================================================= |
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29 | //function : BRepApprox_ApproxLine |
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30 | //purpose : |
31 | //======================================================================= |
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32 | BRepApprox_ApproxLine::BRepApprox_ApproxLine |
33 | (const Handle(Geom_BSplineCurve)& CurveXYZ, |
34 | const Handle(Geom2d_BSplineCurve)& CurveUV1, |
35 | const Handle(Geom2d_BSplineCurve)& CurveUV2) |
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36 | { |
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37 | myCurveXYZ = CurveXYZ; |
38 | myCurveUV1 = CurveUV1; |
39 | myCurveUV2 = CurveUV2; |
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40 | } |
41 | |
42 | |
43 | //======================================================================= |
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44 | //function : BRepApprox_ApproxLine |
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45 | //purpose : |
46 | //======================================================================= |
47 | |
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48 | BRepApprox_ApproxLine::BRepApprox_ApproxLine |
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49 | (const Handle(IntSurf_LineOn2S)& lin, |
50 | const Standard_Boolean ) |
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51 | :myLineOn2S(lin) |
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52 | { |
53 | } |
54 | |
55 | //======================================================================= |
56 | //function : NbPnts |
57 | //purpose : |
58 | //======================================================================= |
59 | |
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60 | Standard_Integer BRepApprox_ApproxLine::NbPnts() const |
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61 | { |
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62 | if(!myCurveXYZ.IsNull()) |
63 | return(myCurveXYZ->NbPoles()); |
64 | if(!myCurveUV1.IsNull()) |
65 | return(myCurveUV1->NbPoles()); |
66 | if(!myCurveUV2.IsNull()) |
67 | return(myCurveUV2->NbPoles()); |
68 | return(myLineOn2S->NbPoints()); |
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69 | } |
70 | |
71 | //======================================================================= |
72 | //function : Point |
73 | //purpose : |
74 | //======================================================================= |
75 | |
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76 | IntSurf_PntOn2S BRepApprox_ApproxLine::Point(const Standard_Integer Index) |
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77 | { |
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78 | if(!myLineOn2S.IsNull()) { |
79 | if(myLineOn2S->NbPoints()) { |
80 | return(myLineOn2S->Value(Index)); |
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81 | } |
82 | } |
83 | gp_Pnt2d P1,P2; |
84 | gp_Pnt P; |
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85 | if(!myCurveXYZ.IsNull()) |
86 | P = myCurveXYZ->Pole(Index); |
87 | if(!myCurveUV1.IsNull()) |
88 | P1 = myCurveUV1->Pole(Index); |
89 | if(!myCurveUV2.IsNull()) |
90 | P2 = myCurveUV2->Pole(Index); |
91 | |
92 | IntSurf_PntOn2S aPntOn2S; |
93 | aPntOn2S.SetValue(P, P1.X(), P1.Y(), P2.X(), P2.Y()); |
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94 | |
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95 | return aPntOn2S; |
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96 | } |