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1 | #include <DrawTrSurf_BSplineCurve2d.ixx> |
2 | #include <Draw_MarkerShape.hxx> |
3 | #include <Geom2d_BSplineCurve.hxx> |
4 | #include <gp_Pnt.hxx> |
5 | #include <TColgp_Array1OfPnt2d.hxx> |
6 | #include <TColStd_Array1OfReal.hxx> |
7 | |
8 | |
9 | DrawTrSurf_BSplineCurve2d::DrawTrSurf_BSplineCurve2d ( |
10 | const Handle(Geom2d_BSplineCurve)& C) |
11 | : DrawTrSurf_Curve2d (C, Draw_vert, 100) { |
12 | |
13 | drawKnots = Standard_True; |
14 | knotsForm = Draw_Losange; |
15 | knotsLook = Draw_violet; |
16 | knotsDim = 5; |
17 | drawPoles = Standard_True; |
18 | polesLook = Draw_rouge; |
19 | } |
20 | |
21 | |
22 | |
23 | DrawTrSurf_BSplineCurve2d::DrawTrSurf_BSplineCurve2d ( |
24 | const Handle(Geom2d_BSplineCurve)& C, const Draw_Color& CurvColor, |
25 | const Draw_Color& PolesColor, const Draw_Color& KnotsColor, |
26 | const Draw_MarkerShape KnotsShape, const Standard_Integer KnotsSize, |
27 | const Standard_Boolean ShowPoles, const Standard_Boolean ShowKnots, const Standard_Integer Discret) |
28 | : DrawTrSurf_Curve2d (C, CurvColor, Discret) { |
29 | |
30 | drawKnots = ShowKnots; |
31 | knotsForm = KnotsShape; |
32 | knotsLook = KnotsColor; |
33 | knotsDim = KnotsSize; |
34 | drawPoles = ShowPoles; |
35 | polesLook = PolesColor; |
36 | } |
37 | |
38 | |
39 | |
40 | void DrawTrSurf_BSplineCurve2d::DrawOn (Draw_Display& dis) const |
41 | { |
42 | |
43 | Handle(Geom2d_BSplineCurve) C = Handle(Geom2d_BSplineCurve)::DownCast(curv); |
44 | |
45 | if (drawPoles) { |
46 | Standard_Integer NbPoles = C->NbPoles(); |
47 | dis.SetColor(polesLook); |
48 | TColgp_Array1OfPnt2d CPoles (1, NbPoles); |
49 | C->Poles (CPoles); |
50 | dis.MoveTo(CPoles(1)); |
51 | for (Standard_Integer i = 2; i <= NbPoles; i++) { |
52 | dis.DrawTo(CPoles(i)); |
53 | } |
54 | if (C->IsPeriodic()) |
55 | dis.DrawTo(CPoles(1)); |
56 | } |
57 | |
58 | DrawTrSurf_Curve2d::DrawOn(dis); |
59 | |
60 | if (drawKnots) { |
61 | Standard_Integer NbKnots = C->NbKnots(); |
62 | TColStd_Array1OfReal CKnots (1, NbKnots); |
63 | C->Knots (CKnots); |
64 | dis.SetColor(knotsLook); |
65 | for (Standard_Integer i = 1; i <= NbKnots; i++) { |
66 | gp_Pnt2d P = C->Value(CKnots(i)); |
67 | dis.DrawMarker (P, knotsForm, knotsDim); |
68 | } |
69 | } |
70 | } |
71 | |
72 | |
73 | void DrawTrSurf_BSplineCurve2d::ShowPoles () { drawPoles = Standard_True; } |
74 | |
75 | |
76 | void DrawTrSurf_BSplineCurve2d::ShowKnots () { drawKnots = Standard_True; } |
77 | |
78 | |
79 | void DrawTrSurf_BSplineCurve2d::ClearPoles () { drawPoles = Standard_False; } |
80 | |
81 | |
82 | void DrawTrSurf_BSplineCurve2d::ClearKnots () { drawKnots = Standard_False; } |
83 | |
84 | |
85 | void DrawTrSurf_BSplineCurve2d::FindPole ( |
86 | const Standard_Real X, const Standard_Real Y, const Draw_Display& D, const Standard_Real XPrec, |
87 | Standard_Integer& Index) const { |
88 | |
89 | Handle(Geom2d_BSplineCurve) bc = Handle(Geom2d_BSplineCurve)::DownCast(curv); |
90 | Standard_Real Prec = XPrec / D.Zoom(); |
91 | gp_Pnt2d p1(X/D.Zoom(),Y/D.Zoom()); |
92 | Index++; |
93 | Standard_Integer NbPoles = bc->NbPoles(); |
94 | gp_Pnt P; |
95 | gp_Pnt2d P2d; |
96 | while (Index <= NbPoles) { |
97 | P2d = bc->Pole(Index); |
98 | P.SetCoord (P2d.X(), P2d.Y(), 0.0); |
99 | if (D.Project(P).Distance(p1) <= Prec) |
100 | return; |
101 | Index++; |
102 | } |
103 | Index = 0; |
104 | } |
105 | |
106 | |
107 | void DrawTrSurf_BSplineCurve2d::FindKnot ( |
108 | const Standard_Real X, const Standard_Real Y, const Draw_Display& D, const Standard_Real Prec, |
109 | Standard_Integer& Index) const { |
110 | |
111 | Handle(Geom2d_BSplineCurve) bc = Handle(Geom2d_BSplineCurve)::DownCast(curv); |
112 | gp_Pnt2d P2d; |
113 | gp_Pnt P; |
114 | gp_Pnt2d p1(X,Y); |
115 | Index++; |
116 | Standard_Integer NbKnots = bc->NbKnots(); |
117 | while (Index <= NbKnots) { |
118 | P2d = bc->Value(bc->Knot(Index)); |
119 | P.SetCoord (P2d.X(), P2d.Y(), 0.0); |
120 | if (D.Project(P).Distance(p1) <= Prec) |
121 | return; |
122 | Index++; |
123 | } |
124 | Index = 0; |
125 | } |
126 | |
127 | //======================================================================= |
128 | //function : Copy |
129 | //purpose : |
130 | //======================================================================= |
131 | |
132 | Handle(Draw_Drawable3D) DrawTrSurf_BSplineCurve2d::Copy()const |
133 | { |
134 | Handle(DrawTrSurf_BSplineCurve2d) DC = new DrawTrSurf_BSplineCurve2d |
135 | (Handle(Geom2d_BSplineCurve)::DownCast(curv->Copy()), |
136 | look,polesLook,knotsLook,knotsForm,knotsDim, |
137 | drawPoles,drawKnots, |
138 | GetDiscretisation()); |
139 | |
140 | return DC; |
141 | } |
142 | |