7fd59977 |
1 | #include <DrawTrSurf_BezierCurve2d.ixx> |
2 | |
3 | #include <Geom2d_BezierCurve.hxx> |
4 | #include <gp_Pnt.hxx> |
5 | #include <TColgp_Array1OfPnt2d.hxx> |
6 | #include <TColStd_Array1OfReal.hxx> |
7 | |
8 | |
9 | DrawTrSurf_BezierCurve2d::DrawTrSurf_BezierCurve2d ( |
10 | const Handle(Geom2d_BezierCurve)& C) : |
11 | DrawTrSurf_Curve2d (C, Draw_vert, 50) { |
12 | |
13 | drawPoles = Standard_True; |
14 | polesLook = Draw_rouge; |
15 | } |
16 | |
17 | |
18 | DrawTrSurf_BezierCurve2d::DrawTrSurf_BezierCurve2d ( |
19 | const Handle(Geom2d_BezierCurve)& C, const Draw_Color& CurvColor, |
20 | const Draw_Color& PolesColor, const Standard_Boolean ShowPoles, |
21 | const Standard_Integer Discret) : DrawTrSurf_Curve2d (C, CurvColor, Discret) { |
22 | |
23 | drawPoles = ShowPoles; |
24 | polesLook = PolesColor; |
25 | } |
26 | |
27 | |
28 | void DrawTrSurf_BezierCurve2d::DrawOn (Draw_Display& dis) const |
29 | { |
30 | |
31 | Handle(Geom2d_BezierCurve) C = Handle(Geom2d_BezierCurve)::DownCast(curv); |
32 | |
33 | if (drawPoles) { |
34 | dis.SetColor(polesLook); |
35 | TColgp_Array1OfPnt2d CPoles (1, C->NbPoles()); |
36 | C->Poles (CPoles); |
37 | dis.MoveTo(CPoles(1)); |
38 | for (Standard_Integer i = 2; i <= C->NbPoles(); i++) { |
39 | dis.DrawTo(CPoles(i)); |
40 | } |
41 | } |
42 | |
43 | DrawTrSurf_Curve2d::DrawOn(dis); |
44 | |
45 | } |
46 | |
47 | |
48 | |
49 | void DrawTrSurf_BezierCurve2d::ShowPoles () |
50 | { |
51 | drawPoles = Standard_True; |
52 | } |
53 | |
54 | |
55 | void DrawTrSurf_BezierCurve2d::ClearPoles () |
56 | { |
57 | drawPoles = Standard_False; |
58 | } |
59 | |
60 | |
61 | void DrawTrSurf_BezierCurve2d::FindPole ( |
62 | const Standard_Real X, |
63 | const Standard_Real Y, |
64 | const Draw_Display& D, |
65 | const Standard_Real XPrec, |
66 | Standard_Integer& Index) const |
67 | { |
68 | |
69 | Handle(Geom2d_BezierCurve) bz = Handle(Geom2d_BezierCurve)::DownCast(curv); |
70 | gp_Pnt2d p1(X/D.Zoom(),Y/D.Zoom()); |
71 | Standard_Real Prec = XPrec / D.Zoom(); |
72 | Index++; |
73 | Standard_Integer NbPoles = bz->NbPoles(); |
74 | gp_Pnt P; |
75 | gp_Pnt2d P2d; |
76 | while (Index <= NbPoles) { |
77 | P2d = bz->Pole(Index); |
78 | P.SetCoord (P2d.X(), P2d.Y(), 0.0); |
79 | if (D.Project(P).Distance(p1) <= Prec) |
80 | return; |
81 | Index++; |
82 | } |
83 | Index = 0; |
84 | } |
85 | |
86 | //======================================================================= |
87 | //function : Copy |
88 | //purpose : |
89 | //======================================================================= |
90 | |
91 | Handle(Draw_Drawable3D) DrawTrSurf_BezierCurve2d::Copy()const |
92 | { |
93 | Handle(DrawTrSurf_BezierCurve2d) DC = new DrawTrSurf_BezierCurve2d |
94 | (Handle(Geom2d_BezierCurve)::DownCast(curv->Copy()), |
95 | look,polesLook, |
96 | drawPoles, |
97 | GetDiscretisation()); |
98 | |
99 | return DC; |
100 | } |