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1 | // Created on: 1998-11-25 |
2 | // Created by: Denis PASCAL |
3 | // Copyright (c) 1998-1999 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 | |
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18 | #include <BRep_Tool.hxx> |
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19 | #include <Draw_Color.hxx> |
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20 | #include <Draw_Display.hxx> |
21 | #include <DrawDim_PlanarDiameter.hxx> |
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22 | #include <ElCLib.hxx> |
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23 | #include <Geom_Circle.hxx> |
24 | #include <Geom_Curve.hxx> |
25 | #include <gp_Circ.hxx> |
26 | #include <gp_Pnt.hxx> |
27 | #include <Standard_Type.hxx> |
28 | #include <TCollection_AsciiString.hxx> |
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29 | #include <TopExp.hxx> |
30 | #include <TopoDS.hxx> |
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31 | #include <TopoDS_Face.hxx> |
32 | #include <TopoDS_Shape.hxx> |
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33 | #include <TopoDS_Vertex.hxx> |
34 | |
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35 | IMPLEMENT_STANDARD_RTTIEXT(DrawDim_PlanarDiameter,DrawDim_PlanarDimension) |
36 | |
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37 | //======================================================================= |
38 | //function : DrawDim_PlanarDiameter |
39 | //purpose : |
40 | //======================================================================= |
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41 | DrawDim_PlanarDiameter::DrawDim_PlanarDiameter(const TopoDS_Face& face, const TopoDS_Shape& c) |
42 | { |
43 | myPlane = face; |
44 | myCircle = c; |
45 | } |
46 | |
47 | |
48 | //======================================================================= |
49 | //function : DrawDim_PlanarDiameter |
50 | //purpose : |
51 | //======================================================================= |
52 | |
53 | DrawDim_PlanarDiameter::DrawDim_PlanarDiameter(const TopoDS_Shape& c) |
54 | { |
55 | myCircle = c; |
56 | } |
57 | |
58 | |
59 | //======================================================================= |
60 | //function : DrawOn |
61 | //purpose : |
62 | //======================================================================= |
63 | |
64 | void DrawDim_PlanarDiameter::DrawOn(Draw_Display& dis) const |
65 | { |
66 | if (myCircle.ShapeType() == TopAbs_EDGE) { |
67 | Standard_Real f,l; |
68 | Handle(Geom_Curve) curve = BRep_Tool::Curve (TopoDS::Edge(myCircle),f,l); |
69 | if (curve->IsKind(STANDARD_TYPE(Geom_Circle))) { |
70 | gp_Circ circle = Handle(Geom_Circle)::DownCast(curve)->Circ(); |
71 | TopoDS_Vertex vf, vl; |
72 | TopExp::Vertices(TopoDS::Edge(myCircle),vf,vl); |
73 | const gp_Pnt first = BRep_Tool::Pnt(vf); |
74 | Standard_Real parfirst = ElCLib::Parameter(circle,first); |
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75 | Standard_Real parlast = (parfirst + M_PI); |
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76 | gp_Pnt last = ElCLib::Value(parlast,circle); |
77 | // |
78 | dis.Draw (first,last); |
79 | gp_Pnt p ((first.X()+ last.X())/2,(first.Y()+ last.Y())/2,(first.Z()+ last.Z())/2); |
80 | DrawText(p,dis); |
81 | return; |
82 | } |
83 | } |
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84 | #ifdef OCCT_DEBUG |
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85 | cout << " DrawDim_PlanarDiameter::DrawOn : dimension error" << endl; |
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86 | #endif |
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87 | } |