b311480e |
1 | // Copyright (c) 1995-1999 Matra Datavision |
2 | // Copyright (c) 1999-2012 OPEN CASCADE SAS |
3 | // |
4 | // The content of this file is subject to the Open CASCADE Technology Public |
5 | // License Version 6.5 (the "License"). You may not use the content of this file |
6 | // except in compliance with the License. Please obtain a copy of the License |
7 | // at http://www.opencascade.org and read it completely before using this file. |
8 | // |
9 | // The Initial Developer of the Original Code is Open CASCADE S.A.S., having its |
10 | // main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France. |
11 | // |
12 | // The Original Code and all software distributed under the License is |
13 | // distributed on an "AS IS" basis, without warranty of any kind, and the |
14 | // Initial Developer hereby disclaims all such warranties, including without |
15 | // limitation, any warranties of merchantability, fitness for a particular |
16 | // purpose or non-infringement. Please see the License for the specific terms |
17 | // and conditions governing the rights and limitations under the License. |
18 | |
7fd59977 |
19 | #include <DrawTrSurf_BSplineCurve2d.ixx> |
20 | #include <Draw_MarkerShape.hxx> |
21 | #include <Geom2d_BSplineCurve.hxx> |
22 | #include <gp_Pnt.hxx> |
23 | #include <TColgp_Array1OfPnt2d.hxx> |
24 | #include <TColStd_Array1OfReal.hxx> |
25 | |
26 | |
b311480e |
27 | DrawTrSurf_BSplineCurve2d::DrawTrSurf_BSplineCurve2d ( |
7fd59977 |
28 | const Handle(Geom2d_BSplineCurve)& C) |
29 | : DrawTrSurf_Curve2d (C, Draw_vert, 100) { |
30 | |
31 | drawKnots = Standard_True; |
32 | knotsForm = Draw_Losange; |
33 | knotsLook = Draw_violet; |
34 | knotsDim = 5; |
35 | drawPoles = Standard_True; |
36 | polesLook = Draw_rouge; |
37 | } |
38 | |
39 | |
40 | |
41 | DrawTrSurf_BSplineCurve2d::DrawTrSurf_BSplineCurve2d ( |
42 | const Handle(Geom2d_BSplineCurve)& C, const Draw_Color& CurvColor, |
43 | const Draw_Color& PolesColor, const Draw_Color& KnotsColor, |
44 | const Draw_MarkerShape KnotsShape, const Standard_Integer KnotsSize, |
45 | const Standard_Boolean ShowPoles, const Standard_Boolean ShowKnots, const Standard_Integer Discret) |
46 | : DrawTrSurf_Curve2d (C, CurvColor, Discret) { |
47 | |
48 | drawKnots = ShowKnots; |
49 | knotsForm = KnotsShape; |
50 | knotsLook = KnotsColor; |
51 | knotsDim = KnotsSize; |
52 | drawPoles = ShowPoles; |
53 | polesLook = PolesColor; |
54 | } |
55 | |
56 | |
57 | |
58 | void DrawTrSurf_BSplineCurve2d::DrawOn (Draw_Display& dis) const |
59 | { |
60 | |
61 | Handle(Geom2d_BSplineCurve) C = Handle(Geom2d_BSplineCurve)::DownCast(curv); |
62 | |
63 | if (drawPoles) { |
64 | Standard_Integer NbPoles = C->NbPoles(); |
65 | dis.SetColor(polesLook); |
66 | TColgp_Array1OfPnt2d CPoles (1, NbPoles); |
67 | C->Poles (CPoles); |
68 | dis.MoveTo(CPoles(1)); |
69 | for (Standard_Integer i = 2; i <= NbPoles; i++) { |
70 | dis.DrawTo(CPoles(i)); |
71 | } |
72 | if (C->IsPeriodic()) |
73 | dis.DrawTo(CPoles(1)); |
74 | } |
75 | |
76 | DrawTrSurf_Curve2d::DrawOn(dis); |
77 | |
78 | if (drawKnots) { |
79 | Standard_Integer NbKnots = C->NbKnots(); |
80 | TColStd_Array1OfReal CKnots (1, NbKnots); |
81 | C->Knots (CKnots); |
82 | dis.SetColor(knotsLook); |
83 | for (Standard_Integer i = 1; i <= NbKnots; i++) { |
84 | gp_Pnt2d P = C->Value(CKnots(i)); |
85 | dis.DrawMarker (P, knotsForm, knotsDim); |
86 | } |
87 | } |
88 | } |
89 | |
90 | |
91 | void DrawTrSurf_BSplineCurve2d::ShowPoles () { drawPoles = Standard_True; } |
92 | |
93 | |
94 | void DrawTrSurf_BSplineCurve2d::ShowKnots () { drawKnots = Standard_True; } |
95 | |
96 | |
97 | void DrawTrSurf_BSplineCurve2d::ClearPoles () { drawPoles = Standard_False; } |
98 | |
99 | |
100 | void DrawTrSurf_BSplineCurve2d::ClearKnots () { drawKnots = Standard_False; } |
101 | |
102 | |
103 | void DrawTrSurf_BSplineCurve2d::FindPole ( |
104 | const Standard_Real X, const Standard_Real Y, const Draw_Display& D, const Standard_Real XPrec, |
105 | Standard_Integer& Index) const { |
106 | |
107 | Handle(Geom2d_BSplineCurve) bc = Handle(Geom2d_BSplineCurve)::DownCast(curv); |
108 | Standard_Real Prec = XPrec / D.Zoom(); |
109 | gp_Pnt2d p1(X/D.Zoom(),Y/D.Zoom()); |
110 | Index++; |
111 | Standard_Integer NbPoles = bc->NbPoles(); |
112 | gp_Pnt P; |
113 | gp_Pnt2d P2d; |
114 | while (Index <= NbPoles) { |
115 | P2d = bc->Pole(Index); |
116 | P.SetCoord (P2d.X(), P2d.Y(), 0.0); |
117 | if (D.Project(P).Distance(p1) <= Prec) |
118 | return; |
119 | Index++; |
120 | } |
121 | Index = 0; |
122 | } |
123 | |
124 | |
125 | void DrawTrSurf_BSplineCurve2d::FindKnot ( |
126 | const Standard_Real X, const Standard_Real Y, const Draw_Display& D, const Standard_Real Prec, |
127 | Standard_Integer& Index) const { |
128 | |
129 | Handle(Geom2d_BSplineCurve) bc = Handle(Geom2d_BSplineCurve)::DownCast(curv); |
130 | gp_Pnt2d P2d; |
131 | gp_Pnt P; |
132 | gp_Pnt2d p1(X,Y); |
133 | Index++; |
134 | Standard_Integer NbKnots = bc->NbKnots(); |
135 | while (Index <= NbKnots) { |
136 | P2d = bc->Value(bc->Knot(Index)); |
137 | P.SetCoord (P2d.X(), P2d.Y(), 0.0); |
138 | if (D.Project(P).Distance(p1) <= Prec) |
139 | return; |
140 | Index++; |
141 | } |
142 | Index = 0; |
143 | } |
144 | |
145 | //======================================================================= |
146 | //function : Copy |
147 | //purpose : |
148 | //======================================================================= |
149 | |
150 | Handle(Draw_Drawable3D) DrawTrSurf_BSplineCurve2d::Copy()const |
151 | { |
152 | Handle(DrawTrSurf_BSplineCurve2d) DC = new DrawTrSurf_BSplineCurve2d |
153 | (Handle(Geom2d_BSplineCurve)::DownCast(curv->Copy()), |
154 | look,polesLook,knotsLook,knotsForm,knotsDim, |
155 | drawPoles,drawKnots, |
156 | GetDiscretisation()); |
157 | |
158 | return DC; |
159 | } |
160 | |