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1 | // Created on: 1995-07-24 |
2 | // Created by: Modelistation |
3 | // Copyright (c) 1995-1999 Matra Datavision |
4 | // Copyright (c) 1999-2012 OPEN CASCADE SAS |
5 | // |
6 | // The content of this file is subject to the Open CASCADE Technology Public |
7 | // License Version 6.5 (the "License"). You may not use the content of this file |
8 | // except in compliance with the License. Please obtain a copy of the License |
9 | // at http://www.opencascade.org and read it completely before using this file. |
10 | // |
11 | // The Initial Developer of the Original Code is Open CASCADE S.A.S., having its |
12 | // main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France. |
13 | // |
14 | // The Original Code and all software distributed under the License is |
15 | // distributed on an "AS IS" basis, without warranty of any kind, and the |
16 | // Initial Developer hereby disclaims all such warranties, including without |
17 | // limitation, any warranties of merchantability, fitness for a particular |
18 | // purpose or non-infringement. Please see the License for the specific terms |
19 | // and conditions governing the rights and limitations under the License. |
20 | |
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21 | #include <StdPrs_PoleCurve.ixx> |
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22 | |
23 | #include <Graphic3d_ArrayOfPolylines.hxx> |
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24 | #include <Graphic3d_Group.hxx> |
25 | #include <Prs3d_LineAspect.hxx> |
26 | #include <Prs3d_Arrow.hxx> |
27 | #include <Prs3d_ArrowAspect.hxx> |
28 | #include <gp_Pnt.hxx> |
29 | #include <gp_Dir.hxx> |
30 | #include <gp_Vec.hxx> |
31 | #include <TColgp_Array1OfPnt.hxx> |
32 | #include <Geom_BezierCurve.hxx> |
33 | #include <Geom_BSplineCurve.hxx> |
34 | |
35 | |
36 | //======================================================================= |
37 | //function : Add |
38 | //purpose : |
39 | //======================================================================= |
40 | |
41 | void StdPrs_PoleCurve::Add (const Handle (Prs3d_Presentation)& aPresentation, |
42 | const Adaptor3d_Curve& aCurve, |
43 | const Handle (Prs3d_Drawer)& aDrawer) |
44 | { |
45 | Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(aDrawer->LineAspect()->Aspect()); |
46 | |
47 | GeomAbs_CurveType CType = aCurve.GetType(); |
48 | if (CType == GeomAbs_BezierCurve || CType == GeomAbs_BSplineCurve) { |
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49 | Standard_Integer i, Nb; |
50 | if (CType == GeomAbs_BezierCurve) { |
51 | Handle(Geom_BezierCurve) Bz = aCurve.Bezier(); |
52 | Nb = Bz->NbPoles(); |
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53 | Handle(Graphic3d_ArrayOfPolylines) aPrims = new Graphic3d_ArrayOfPolylines(Nb); |
54 | for (i = 1; i <= Nb; i++) |
55 | aPrims->AddVertex(Bz->Pole(i)); |
56 | Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims); |
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57 | } |
58 | else if (CType == GeomAbs_BSplineCurve) { |
59 | Handle(Geom_BSplineCurve) Bs = aCurve.BSpline(); |
60 | Nb = Bs->NbPoles(); |
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61 | Handle(Graphic3d_ArrayOfPolylines) aPrims = new Graphic3d_ArrayOfPolylines(Nb); |
62 | for (i = 1; i <= Nb; i++) |
63 | aPrims->AddVertex(Bs->Pole(i)); |
64 | Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims); |
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65 | } |
66 | } |
67 | |
68 | if (aDrawer->LineArrowDraw()) { |
69 | gp_Pnt Location; |
70 | gp_Vec Direction; |
71 | aCurve.D1(aCurve.LastParameter(),Location,Direction); |
72 | Prs3d_Arrow::Draw (aPresentation, |
73 | Location, |
74 | gp_Dir(Direction), |
75 | aDrawer->ArrowAspect()->Angle(), |
76 | aDrawer->ArrowAspect()->Length()); |
77 | } |
78 | } |
79 | |
80 | |
81 | //======================================================================= |
82 | //function : Match |
83 | //purpose : |
84 | //======================================================================= |
85 | |
86 | Standard_Boolean StdPrs_PoleCurve::Match(const Quantity_Length X, |
87 | const Quantity_Length Y, |
88 | const Quantity_Length Z, |
89 | const Quantity_Length aDistance, |
90 | const Adaptor3d_Curve& aCurve, |
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91 | const Handle (Prs3d_Drawer)& /*aDrawer*/) |
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92 | { |
93 | GeomAbs_CurveType CType = aCurve.GetType(); |
94 | Standard_Integer i, Nb = 0; |
95 | Standard_Real x,y,z; |
96 | if (CType == GeomAbs_BezierCurve) { |
97 | Handle(Geom_BezierCurve) Bz = aCurve.Bezier(); |
98 | Nb = Bz->NbPoles(); |
99 | for (i = 1; i <= Nb; i++) { |
100 | Bz->Pole(i).Coord(x,y,z); |
101 | if ( Abs(X-x) +Abs(Y-y)+Abs(Z-z) <= aDistance) return Standard_True; |
102 | } |
103 | return Standard_False; |
104 | } |
105 | else if (CType == GeomAbs_BSplineCurve) { |
106 | Handle(Geom_BSplineCurve) Bs = aCurve.BSpline(); |
107 | Nb = Bs->NbPoles(); |
108 | for (i = 1; i <= Nb; i++) { |
109 | Bs->Pole(i).Coord(x,y,z); |
110 | if ( Abs(X-x) +Abs(Y-y)+Abs(Z-z) <= aDistance) return Standard_True; |
111 | } |
112 | return Standard_False; |
113 | } |
114 | return Standard_False; |
115 | } |
116 | |
117 | //======================================================================= |
118 | //function : Pick |
119 | //purpose : |
120 | //======================================================================= |
121 | |
122 | Standard_Integer StdPrs_PoleCurve::Pick |
123 | (const Quantity_Length X, |
124 | const Quantity_Length Y, |
125 | const Quantity_Length Z, |
126 | const Quantity_Length aDistance, |
127 | const Adaptor3d_Curve& aCurve, |
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128 | const Handle(Prs3d_Drawer)& /*aDrawer*/) |
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129 | { |
130 | Standard_Real x, y, z, DistMin = RealLast(); |
131 | Standard_Integer num = 0, i, Nb = 0; |
132 | Standard_Real dist; |
133 | GeomAbs_CurveType CType = aCurve.GetType(); |
134 | |
135 | if (CType == GeomAbs_BezierCurve) { |
136 | Handle(Geom_BezierCurve) Bz = aCurve.Bezier(); |
137 | Nb = Bz->NbPoles(); |
138 | for (i = 1; i <= Nb; i++) { |
139 | Bz->Pole(i).Coord(x,y,z); |
140 | dist = Abs(X-x) +Abs(Y-y)+Abs(Z-z); |
141 | if ( dist <= aDistance) { |
142 | if (dist < DistMin) { |
143 | DistMin = dist; |
144 | num = i; |
145 | } |
146 | } |
147 | } |
148 | } |
149 | else if (CType == GeomAbs_BSplineCurve) { |
150 | Handle(Geom_BSplineCurve) Bs = aCurve.BSpline(); |
151 | Nb = Bs->NbPoles(); |
152 | for (i = 1; i <= Nb; i++) { |
153 | Bs->Pole(i).Coord(x,y,z); |
154 | dist = Abs(X-x) +Abs(Y-y)+Abs(Z-z); |
155 | if (dist <= aDistance) { |
156 | if (dist < DistMin) { |
157 | DistMin = dist; |
158 | num = i; |
159 | } |
160 | } |
161 | } |
162 | } |
163 | |
164 | return num; |
165 | } |
166 | |
167 | |
168 | |
169 | |
170 | |
171 | |
172 | |