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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 | |
16 | #include <BRepAdaptor_Curve.hxx> |
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17 | #include <HLRAlgo_Projector.hxx> |
18 | #include <HLRBRep_Algo.hxx> |
19 | #include <HLRBRep_Data.hxx> |
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20 | #include <StdPrs_HLRToolShape.hxx> |
21 | #include <TopoDS_Shape.hxx> |
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22 | |
23 | StdPrs_HLRToolShape::StdPrs_HLRToolShape ( |
24 | const TopoDS_Shape& TheShape, |
25 | const HLRAlgo_Projector& TheProjector) |
26 | { |
27 | Handle(HLRBRep_Algo) Hider = new HLRBRep_Algo(); |
28 | Standard_Integer nbIso = 0; // 5; |
29 | Hider->Add(TheShape, nbIso); |
30 | Hider->Projector(TheProjector); |
31 | Hider->Update(); |
32 | Hider->Hide(); |
33 | MyData = Hider->DataStructure(); |
34 | MyCurrentEdgeNumber = 0; |
35 | } |
36 | |
37 | Standard_Integer StdPrs_HLRToolShape::NbEdges() const { |
38 | return MyData->NbEdges(); |
39 | } |
40 | void StdPrs_HLRToolShape::InitVisible(const Standard_Integer EdgeNumber) { |
41 | myEdgeIterator.InitVisible |
42 | (MyData->EDataArray().ChangeValue(EdgeNumber).Status()); |
43 | MyCurrentEdgeNumber = EdgeNumber; |
44 | } |
45 | Standard_Boolean StdPrs_HLRToolShape::MoreVisible() const { |
46 | return myEdgeIterator.MoreVisible(); |
47 | } |
48 | void StdPrs_HLRToolShape::NextVisible() { |
49 | myEdgeIterator.NextVisible(); |
50 | } |
51 | void StdPrs_HLRToolShape::Visible(BRepAdaptor_Curve& TheEdge, |
52 | Standard_Real& U1, |
53 | Standard_Real& U2) { |
54 | |
55 | TheEdge = MyData->EDataArray() |
56 | .ChangeValue(MyCurrentEdgeNumber) |
57 | .ChangeGeometry() |
58 | .Curve(); |
59 | Standard_ShortReal t1,t2; |
60 | myEdgeIterator.Visible(U1,t1,U2,t2); |
61 | } |
62 | void StdPrs_HLRToolShape::InitHidden(const Standard_Integer EdgeNumber) { |
63 | myEdgeIterator.InitHidden |
64 | (MyData->EDataArray().ChangeValue(EdgeNumber).Status()); |
65 | MyCurrentEdgeNumber = EdgeNumber; |
66 | } |
67 | Standard_Boolean StdPrs_HLRToolShape::MoreHidden() const { |
68 | return myEdgeIterator.MoreHidden(); |
69 | } |
70 | void StdPrs_HLRToolShape::NextHidden() { |
71 | myEdgeIterator.NextHidden(); |
72 | } |
73 | void StdPrs_HLRToolShape::Hidden (BRepAdaptor_Curve& TheEdge, |
74 | Standard_Real& U1, |
75 | Standard_Real& U2) { |
76 | |
77 | TheEdge = MyData->EDataArray() |
78 | .ChangeValue(MyCurrentEdgeNumber) |
79 | .ChangeGeometry() |
80 | .Curve(); |
81 | Standard_ShortReal t1,t2; |
82 | myEdgeIterator.Hidden(U1,t1,U2,t2); |
83 | } |