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1 | // Created on: 1994-12-09 |
2 | // Created by: Jacques GOUSSARD |
3 | // Copyright (c) 1994-1999 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 <BRepBuilderAPI_Transform.hxx> |
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19 | #include <BRepTools_TrsfModification.hxx> |
20 | #include <gp.hxx> |
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21 | #include <gp_Trsf.hxx> |
22 | #include <Standard_NoSuchObject.hxx> |
23 | #include <TopoDS_Shape.hxx> |
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24 | |
25 | //======================================================================= |
26 | //function : BRepBuilderAPI_Transform |
27 | //purpose : |
28 | //======================================================================= |
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29 | BRepBuilderAPI_Transform::BRepBuilderAPI_Transform (const gp_Trsf& T) : |
30 | myTrsf(T) |
31 | { |
32 | myModification = new BRepTools_TrsfModification(T); |
33 | } |
34 | |
35 | |
36 | //======================================================================= |
37 | //function : BRepBuilderAPI_Transform |
38 | //purpose : |
39 | //======================================================================= |
40 | |
41 | BRepBuilderAPI_Transform::BRepBuilderAPI_Transform (const TopoDS_Shape& S, |
42 | const gp_Trsf& T, |
43 | const Standard_Boolean Copy) : |
44 | myTrsf(T) |
45 | { |
46 | myModification = new BRepTools_TrsfModification(T); |
47 | Perform(S,Copy); |
48 | } |
49 | |
50 | |
51 | |
52 | //======================================================================= |
53 | //function : Perform |
54 | //purpose : |
55 | //======================================================================= |
56 | |
57 | void BRepBuilderAPI_Transform::Perform(const TopoDS_Shape& S, |
58 | const Standard_Boolean Copy) |
59 | { |
60 | // myUseModif = Copy || myTrsf.IsNegative(); bug gp_Trsf. |
61 | myUseModif = Copy || |
62 | myTrsf.ScaleFactor()*myTrsf.HVectorialPart().Determinant() < 0. || |
63 | Abs(Abs(myTrsf.ScaleFactor()) - 1) > gp::Resolution(); |
64 | if (myUseModif) { |
65 | Handle(BRepTools_TrsfModification) theModif = |
66 | Handle(BRepTools_TrsfModification)::DownCast(myModification); |
67 | theModif->Trsf() = myTrsf; |
68 | DoModif(S,myModification); |
69 | } |
70 | else { |
71 | myLocation = myTrsf; |
72 | myShape = S.Moved(myLocation); |
73 | Done(); |
74 | } |
75 | |
76 | } |
77 | |
78 | //======================================================================= |
79 | //function : ModifiedShape |
80 | //purpose : |
81 | //======================================================================= |
82 | |
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83 | TopoDS_Shape BRepBuilderAPI_Transform::ModifiedShape |
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84 | (const TopoDS_Shape& S) const |
85 | { |
86 | if (myUseModif) { |
87 | return myModifier.ModifiedShape(S); |
88 | } |
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89 | return S.Moved (myLocation); |
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90 | } |
91 | |
92 | |
93 | //======================================================================= |
94 | //function : Modified |
95 | //purpose : |
96 | //======================================================================= |
97 | |
98 | const TopTools_ListOfShape& BRepBuilderAPI_Transform::Modified |
99 | (const TopoDS_Shape& F) |
100 | { |
101 | if (!myUseModif) { |
102 | myGenerated.Clear(); |
103 | myGenerated.Append(F.Moved(myLocation)); |
104 | return myGenerated; |
105 | } |
106 | return BRepBuilderAPI_ModifyShape::Modified(F); |
107 | } |
108 | |