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1 | // Created on: 1996-01-12 |
2 | // Created by: Denis PASCAL |
3 | // Copyright (c) 1996-1999 Matra Datavision |
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4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
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5 | // |
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6 | // This file is part of Open CASCADE Technology software library. |
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7 | // |
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8 | // This library is free software; you can redistribute it and/or modify it under |
9 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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10 | // by the Free Software Foundation, with special exception defined in the file |
11 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
12 | // distribution for complete text of the license and disclaimer of any warranty. |
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13 | // |
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14 | // Alternatively, this file may be used under the terms of Open CASCADE |
15 | // commercial license or contractual agreement. |
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16 | |
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17 | |
18 | #include <BRep_Tool.hxx> |
19 | #include <Draw_Color.hxx> |
20 | #include <Draw_Display.hxx> |
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21 | #include <DrawDim.hxx> |
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22 | #include <DrawDim_PlanarRadius.hxx> |
23 | #include <ElCLib.hxx> |
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24 | #include <Geom_Circle.hxx> |
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25 | #include <Geom_Curve.hxx> |
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26 | #include <gp_Circ.hxx> |
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27 | #include <gp_Pnt.hxx> |
28 | #include <Standard_Type.hxx> |
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29 | #include <TCollection_AsciiString.hxx> |
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30 | #include <TopExp.hxx> |
31 | #include <TopoDS.hxx> |
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32 | #include <TopoDS_Face.hxx> |
33 | #include <TopoDS_Shape.hxx> |
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34 | #include <TopoDS_Vertex.hxx> |
35 | |
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36 | IMPLEMENT_STANDARD_RTTIEXT(DrawDim_PlanarRadius,DrawDim_PlanarDimension) |
37 | |
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38 | //======================================================================= |
39 | //function : DrawDim_PlanarRadius |
40 | //purpose : |
41 | //======================================================================= |
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42 | DrawDim_PlanarRadius::DrawDim_PlanarRadius(const TopoDS_Face& face, const TopoDS_Shape& c) |
43 | { |
44 | myPlane = face; |
45 | myCircle = c; |
46 | } |
47 | |
48 | |
49 | //======================================================================= |
50 | //function : DrawDim_PlanarRadius |
51 | //purpose : |
52 | //======================================================================= |
53 | |
54 | DrawDim_PlanarRadius::DrawDim_PlanarRadius(const TopoDS_Shape& c) |
55 | { |
56 | myCircle = c; |
57 | } |
58 | |
59 | |
60 | //======================================================================= |
61 | //function : DrawOn |
62 | //purpose : |
63 | //======================================================================= |
64 | |
65 | void DrawDim_PlanarRadius::DrawOn(Draw_Display& dis) const |
66 | { |
67 | if (myCircle.ShapeType() == TopAbs_EDGE) { |
68 | Standard_Real f,l; |
69 | Handle(Geom_Curve) curve = BRep_Tool::Curve (TopoDS::Edge(myCircle),f,l); |
70 | if (curve->IsKind(STANDARD_TYPE(Geom_Circle))) { |
71 | gp_Circ circle = Handle(Geom_Circle)::DownCast(curve)->Circ(); |
72 | const gp_Pnt& first = circle.Location(); |
73 | TopoDS_Vertex vf, vl; |
74 | TopExp::Vertices(TopoDS::Edge(myCircle),vf,vl); |
75 | const gp_Pnt last = BRep_Tool::Pnt(vf); |
76 | // |
77 | dis.Draw (first,last); |
78 | gp_Pnt p ((first.X()+ last.X())/2,(first.Y()+ last.Y())/2,(first.Z()+ last.Z())/2); |
79 | DrawText(p,dis); |
80 | return; |
81 | } |
82 | } |
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83 | #ifdef OCCT_DEBUG |
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84 | cout << " DrawDim_PlanarRadius::DrawOn : dimension error" << endl; |
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85 | #endif |
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86 | } |