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1 | // Copyright (c) 1995-1999 Matra Datavision |
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2 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
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3 | // |
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4 | // This file is part of Open CASCADE Technology software library. |
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5 | // |
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6 | // This library is free software; you can redistribute it and/or modify it under |
7 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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8 | // by the Free Software Foundation, with special exception defined in the file |
9 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
10 | // distribution for complete text of the license and disclaimer of any warranty. |
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11 | // |
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12 | // Alternatively, this file may be used under the terms of Open CASCADE |
13 | // commercial license or contractual agreement. |
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14 | |
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15 | |
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16 | #include <Draw_Color.hxx> |
17 | #include <Draw_Display.hxx> |
18 | #include <Draw_Drawable3D.hxx> |
19 | #include <DrawTrSurf_BezierCurve2d.hxx> |
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20 | #include <Geom2d_BezierCurve.hxx> |
21 | #include <gp_Pnt.hxx> |
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22 | #include <Standard_Type.hxx> |
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23 | #include <TColgp_Array1OfPnt2d.hxx> |
24 | #include <TColStd_Array1OfReal.hxx> |
25 | |
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26 | IMPLEMENT_STANDARD_RTTIEXT(DrawTrSurf_BezierCurve2d,DrawTrSurf_Curve2d) |
27 | |
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28 | DrawTrSurf_BezierCurve2d::DrawTrSurf_BezierCurve2d ( |
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29 | const Handle(Geom2d_BezierCurve)& C) : |
30 | DrawTrSurf_Curve2d (C, Draw_vert, 50) { |
31 | |
32 | drawPoles = Standard_True; |
33 | polesLook = Draw_rouge; |
34 | } |
35 | |
36 | |
37 | DrawTrSurf_BezierCurve2d::DrawTrSurf_BezierCurve2d ( |
38 | const Handle(Geom2d_BezierCurve)& C, const Draw_Color& CurvColor, |
39 | const Draw_Color& PolesColor, const Standard_Boolean ShowPoles, |
40 | const Standard_Integer Discret) : DrawTrSurf_Curve2d (C, CurvColor, Discret) { |
41 | |
42 | drawPoles = ShowPoles; |
43 | polesLook = PolesColor; |
44 | } |
45 | |
46 | |
47 | void DrawTrSurf_BezierCurve2d::DrawOn (Draw_Display& dis) const |
48 | { |
49 | |
50 | Handle(Geom2d_BezierCurve) C = Handle(Geom2d_BezierCurve)::DownCast(curv); |
51 | |
52 | if (drawPoles) { |
53 | dis.SetColor(polesLook); |
54 | TColgp_Array1OfPnt2d CPoles (1, C->NbPoles()); |
55 | C->Poles (CPoles); |
56 | dis.MoveTo(CPoles(1)); |
57 | for (Standard_Integer i = 2; i <= C->NbPoles(); i++) { |
58 | dis.DrawTo(CPoles(i)); |
59 | } |
60 | } |
61 | |
62 | DrawTrSurf_Curve2d::DrawOn(dis); |
63 | |
64 | } |
65 | |
66 | |
67 | |
68 | void DrawTrSurf_BezierCurve2d::ShowPoles () |
69 | { |
70 | drawPoles = Standard_True; |
71 | } |
72 | |
73 | |
74 | void DrawTrSurf_BezierCurve2d::ClearPoles () |
75 | { |
76 | drawPoles = Standard_False; |
77 | } |
78 | |
79 | |
80 | void DrawTrSurf_BezierCurve2d::FindPole ( |
81 | const Standard_Real X, |
82 | const Standard_Real Y, |
83 | const Draw_Display& D, |
84 | const Standard_Real XPrec, |
85 | Standard_Integer& Index) const |
86 | { |
87 | |
88 | Handle(Geom2d_BezierCurve) bz = Handle(Geom2d_BezierCurve)::DownCast(curv); |
89 | gp_Pnt2d p1(X/D.Zoom(),Y/D.Zoom()); |
90 | Standard_Real Prec = XPrec / D.Zoom(); |
91 | Index++; |
92 | Standard_Integer NbPoles = bz->NbPoles(); |
93 | gp_Pnt P; |
94 | gp_Pnt2d P2d; |
95 | while (Index <= NbPoles) { |
96 | P2d = bz->Pole(Index); |
97 | P.SetCoord (P2d.X(), P2d.Y(), 0.0); |
98 | if (D.Project(P).Distance(p1) <= Prec) |
99 | return; |
100 | Index++; |
101 | } |
102 | Index = 0; |
103 | } |
104 | |
105 | //======================================================================= |
106 | //function : Copy |
107 | //purpose : |
108 | //======================================================================= |
109 | |
110 | Handle(Draw_Drawable3D) DrawTrSurf_BezierCurve2d::Copy()const |
111 | { |
112 | Handle(DrawTrSurf_BezierCurve2d) DC = new DrawTrSurf_BezierCurve2d |
113 | (Handle(Geom2d_BezierCurve)::DownCast(curv->Copy()), |
114 | look,polesLook, |
115 | drawPoles, |
116 | GetDiscretisation()); |
117 | |
118 | return DC; |
119 | } |