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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 | #include <DrawTrSurf_BSplineCurve2d.ixx> |
16 | #include <Draw_MarkerShape.hxx> |
17 | #include <Geom2d_BSplineCurve.hxx> |
18 | #include <gp_Pnt.hxx> |
19 | #include <TColgp_Array1OfPnt2d.hxx> |
20 | #include <TColStd_Array1OfReal.hxx> |
21 | |
22 | |
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23 | DrawTrSurf_BSplineCurve2d::DrawTrSurf_BSplineCurve2d ( |
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24 | const Handle(Geom2d_BSplineCurve)& C) |
25 | : DrawTrSurf_Curve2d (C, Draw_vert, 100) { |
26 | |
27 | drawKnots = Standard_True; |
28 | knotsForm = Draw_Losange; |
29 | knotsLook = Draw_violet; |
30 | knotsDim = 5; |
31 | drawPoles = Standard_True; |
32 | polesLook = Draw_rouge; |
33 | } |
34 | |
35 | |
36 | |
37 | DrawTrSurf_BSplineCurve2d::DrawTrSurf_BSplineCurve2d ( |
38 | const Handle(Geom2d_BSplineCurve)& C, const Draw_Color& CurvColor, |
39 | const Draw_Color& PolesColor, const Draw_Color& KnotsColor, |
40 | const Draw_MarkerShape KnotsShape, const Standard_Integer KnotsSize, |
41 | const Standard_Boolean ShowPoles, const Standard_Boolean ShowKnots, const Standard_Integer Discret) |
42 | : DrawTrSurf_Curve2d (C, CurvColor, Discret) { |
43 | |
44 | drawKnots = ShowKnots; |
45 | knotsForm = KnotsShape; |
46 | knotsLook = KnotsColor; |
47 | knotsDim = KnotsSize; |
48 | drawPoles = ShowPoles; |
49 | polesLook = PolesColor; |
50 | } |
51 | |
52 | |
53 | |
54 | void DrawTrSurf_BSplineCurve2d::DrawOn (Draw_Display& dis) const |
55 | { |
56 | |
57 | Handle(Geom2d_BSplineCurve) C = Handle(Geom2d_BSplineCurve)::DownCast(curv); |
58 | |
59 | if (drawPoles) { |
60 | Standard_Integer NbPoles = C->NbPoles(); |
61 | dis.SetColor(polesLook); |
62 | TColgp_Array1OfPnt2d CPoles (1, NbPoles); |
63 | C->Poles (CPoles); |
64 | dis.MoveTo(CPoles(1)); |
65 | for (Standard_Integer i = 2; i <= NbPoles; i++) { |
66 | dis.DrawTo(CPoles(i)); |
67 | } |
68 | if (C->IsPeriodic()) |
69 | dis.DrawTo(CPoles(1)); |
70 | } |
71 | |
72 | DrawTrSurf_Curve2d::DrawOn(dis); |
73 | |
74 | if (drawKnots) { |
75 | Standard_Integer NbKnots = C->NbKnots(); |
76 | TColStd_Array1OfReal CKnots (1, NbKnots); |
77 | C->Knots (CKnots); |
78 | dis.SetColor(knotsLook); |
79 | for (Standard_Integer i = 1; i <= NbKnots; i++) { |
80 | gp_Pnt2d P = C->Value(CKnots(i)); |
81 | dis.DrawMarker (P, knotsForm, knotsDim); |
82 | } |
83 | } |
84 | } |
85 | |
86 | |
87 | void DrawTrSurf_BSplineCurve2d::ShowPoles () { drawPoles = Standard_True; } |
88 | |
89 | |
90 | void DrawTrSurf_BSplineCurve2d::ShowKnots () { drawKnots = Standard_True; } |
91 | |
92 | |
93 | void DrawTrSurf_BSplineCurve2d::ClearPoles () { drawPoles = Standard_False; } |
94 | |
95 | |
96 | void DrawTrSurf_BSplineCurve2d::ClearKnots () { drawKnots = Standard_False; } |
97 | |
98 | |
99 | void DrawTrSurf_BSplineCurve2d::FindPole ( |
100 | const Standard_Real X, const Standard_Real Y, const Draw_Display& D, const Standard_Real XPrec, |
101 | Standard_Integer& Index) const { |
102 | |
103 | Handle(Geom2d_BSplineCurve) bc = Handle(Geom2d_BSplineCurve)::DownCast(curv); |
104 | Standard_Real Prec = XPrec / D.Zoom(); |
105 | gp_Pnt2d p1(X/D.Zoom(),Y/D.Zoom()); |
106 | Index++; |
107 | Standard_Integer NbPoles = bc->NbPoles(); |
108 | gp_Pnt P; |
109 | gp_Pnt2d P2d; |
110 | while (Index <= NbPoles) { |
111 | P2d = bc->Pole(Index); |
112 | P.SetCoord (P2d.X(), P2d.Y(), 0.0); |
113 | if (D.Project(P).Distance(p1) <= Prec) |
114 | return; |
115 | Index++; |
116 | } |
117 | Index = 0; |
118 | } |
119 | |
120 | |
121 | void DrawTrSurf_BSplineCurve2d::FindKnot ( |
122 | const Standard_Real X, const Standard_Real Y, const Draw_Display& D, const Standard_Real Prec, |
123 | Standard_Integer& Index) const { |
124 | |
125 | Handle(Geom2d_BSplineCurve) bc = Handle(Geom2d_BSplineCurve)::DownCast(curv); |
126 | gp_Pnt2d P2d; |
127 | gp_Pnt P; |
128 | gp_Pnt2d p1(X,Y); |
129 | Index++; |
130 | Standard_Integer NbKnots = bc->NbKnots(); |
131 | while (Index <= NbKnots) { |
132 | P2d = bc->Value(bc->Knot(Index)); |
133 | P.SetCoord (P2d.X(), P2d.Y(), 0.0); |
134 | if (D.Project(P).Distance(p1) <= Prec) |
135 | return; |
136 | Index++; |
137 | } |
138 | Index = 0; |
139 | } |
140 | |
141 | //======================================================================= |
142 | //function : Copy |
143 | //purpose : |
144 | //======================================================================= |
145 | |
146 | Handle(Draw_Drawable3D) DrawTrSurf_BSplineCurve2d::Copy()const |
147 | { |
148 | Handle(DrawTrSurf_BSplineCurve2d) DC = new DrawTrSurf_BSplineCurve2d |
149 | (Handle(Geom2d_BSplineCurve)::DownCast(curv->Copy()), |
150 | look,polesLook,knotsLook,knotsForm,knotsDim, |
151 | drawPoles,drawKnots, |
152 | GetDiscretisation()); |
153 | |
154 | return DC; |
155 | } |
156 | |