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1 | // Created on: 2000-05-24 |
2 | // Created by: data exchange team |
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3 | // Copyright (c) 2000-2014 OPEN CASCADE SAS |
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4 | // |
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5 | // This file is part of Open CASCADE Technology software library. |
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6 | // |
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7 | // This library is free software; you can redistribute it and/or modify it under |
8 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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9 | // by the Free Software Foundation, with special exception defined in the file |
10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
11 | // distribution for complete text of the license and disclaimer of any warranty. |
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12 | // |
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13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. |
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15 | |
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16 | |
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17 | #include <BRep_Tool.hxx> |
18 | #include <ShapeAnalysis_Edge.hxx> |
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19 | #include <ShapeUpgrade_EdgeDivide.hxx> |
20 | #include <ShapeUpgrade_SplitCurve2d.hxx> |
21 | #include <ShapeUpgrade_SplitCurve3d.hxx> |
22 | #include <Standard_Type.hxx> |
23 | #include <TopoDS_Edge.hxx> |
24 | #include <TopoDS_Face.hxx> |
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25 | |
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26 | IMPLEMENT_STANDARD_RTTIEXT(ShapeUpgrade_EdgeDivide,ShapeUpgrade_Tool) |
27 | |
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28 | //======================================================================= |
29 | //function : ShapeUpgrade_EdgeDivide |
30 | //purpose : |
31 | //======================================================================= |
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32 | ShapeUpgrade_EdgeDivide::ShapeUpgrade_EdgeDivide(): |
33 | ShapeUpgrade_Tool() |
34 | { |
35 | mySplitCurve3dTool = new ShapeUpgrade_SplitCurve3d; |
36 | mySplitCurve2dTool = new ShapeUpgrade_SplitCurve2d; |
37 | } |
38 | |
39 | |
40 | //======================================================================= |
41 | //function : Clear |
42 | //purpose : |
43 | //======================================================================= |
44 | |
45 | void ShapeUpgrade_EdgeDivide::Clear() |
46 | { |
47 | myKnots3d.Nullify(); |
48 | myKnots2d.Nullify(); |
49 | myHasCurve3d = Standard_False; |
50 | myHasCurve2d = Standard_False; |
51 | } |
52 | |
53 | //======================================================================= |
54 | //function : Compute |
55 | //purpose : |
56 | //======================================================================= |
57 | |
58 | Standard_Boolean ShapeUpgrade_EdgeDivide::Compute(const TopoDS_Edge& anEdge) |
59 | { |
60 | Clear(); |
61 | |
62 | Standard_Real f, l; |
63 | Handle(Geom_Curve) curve3d = BRep_Tool::Curve (anEdge, f, l); |
64 | myHasCurve3d = !curve3d.IsNull(); |
65 | |
66 | Handle(ShapeUpgrade_SplitCurve3d) theSplit3dTool = GetSplitCurve3dTool(); |
67 | if ( myHasCurve3d ) { |
68 | theSplit3dTool->Init (curve3d, f, l); |
69 | theSplit3dTool->Compute(); |
70 | myKnots3d = theSplit3dTool->SplitValues(); |
71 | } |
72 | |
73 | // on pcurve(s): all knots |
74 | // assume that if seam-edge, its pcurve1 and pcurve2 has the same split knots !!! |
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75 | Standard_Real f2d = 0., l2d = 0.; |
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76 | Handle(Geom2d_Curve) pcurve1; |
77 | if ( ! myFace.IsNull() ) { // process free edges |
78 | ShapeAnalysis_Edge sae; |
79 | sae.PCurve (anEdge, myFace, pcurve1, f2d, l2d, Standard_False); |
80 | } |
81 | myHasCurve2d = !pcurve1.IsNull(); |
82 | |
83 | Handle(ShapeUpgrade_SplitCurve2d) theSplit2dTool = GetSplitCurve2dTool(); |
84 | if ( myHasCurve2d ) { |
85 | theSplit2dTool->Init (pcurve1, f2d, l2d); |
86 | theSplit2dTool->Compute(); |
87 | myKnots2d = theSplit2dTool->SplitValues(); |
88 | } |
89 | |
90 | if ( theSplit3dTool->Status ( ShapeExtend_DONE ) || |
91 | theSplit2dTool->Status ( ShapeExtend_DONE ) ) |
92 | return Standard_True; |
93 | else |
94 | return Standard_False; |
95 | } |
96 | |
97 | //======================================================================= |
98 | //function : SetSplitCurve2dTool |
99 | //purpose : |
100 | //======================================================================= |
101 | |
102 | void ShapeUpgrade_EdgeDivide::SetSplitCurve2dTool(const Handle(ShapeUpgrade_SplitCurve2d)& splitCurve2dTool) |
103 | { |
104 | mySplitCurve2dTool = splitCurve2dTool; |
105 | } |
106 | |
107 | //======================================================================= |
108 | //function : SetSplitCurve3dTool |
109 | //purpose : |
110 | //======================================================================= |
111 | |
112 | void ShapeUpgrade_EdgeDivide::SetSplitCurve3dTool(const Handle(ShapeUpgrade_SplitCurve3d)& splitCurve3dTool) |
113 | { |
114 | mySplitCurve3dTool = splitCurve3dTool; |
115 | } |
116 | |
117 | //======================================================================= |
118 | //function : GetSplitCurve2dTool |
119 | //purpose : |
120 | //======================================================================= |
121 | |
122 | Handle(ShapeUpgrade_SplitCurve2d) ShapeUpgrade_EdgeDivide::GetSplitCurve2dTool() const |
123 | { |
124 | return mySplitCurve2dTool; |
125 | } |
126 | |
127 | Handle(ShapeUpgrade_SplitCurve3d) ShapeUpgrade_EdgeDivide::GetSplitCurve3dTool() const |
128 | { |
129 | return mySplitCurve3dTool; |
130 | } |