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1 | // Created on: 1995-04-19 |
2 | // Created by: Yves FRICAUD |
3 | // Copyright (c) 1995-1999 Matra Datavision |
4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
5 | // |
6 | // This file is part of Open CASCADE Technology software library. |
7 | // |
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 |
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. |
13 | // |
14 | // Alternatively, this file may be used under the terms of Open CASCADE |
15 | // commercial license or contractual agreement. |
16 | |
17 | #ifndef _BRepFill_OffsetWire_HeaderFile |
18 | #define _BRepFill_OffsetWire_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
21 | #include <Standard_DefineAlloc.hxx> |
22 | #include <Standard_Handle.hxx> |
23 | |
24 | #include <TopoDS_Face.hxx> |
25 | #include <Standard_Real.hxx> |
26 | #include <Standard_Boolean.hxx> |
27 | #include <TopoDS_Shape.hxx> |
28 | #include <GeomAbs_JoinType.hxx> |
29 | #include <BRepFill_IndexedDataMapOfOrientedShapeListOfShape.hxx> |
30 | #include <BRepMAT2d_BisectingLocus.hxx> |
31 | #include <BRepMAT2d_LinkTopoBilo.hxx> |
32 | #include <TopTools_DataMapOfShapeShape.hxx> |
33 | #include <TopTools_ListOfShape.hxx> |
34 | #include <BRepFill_DataMapOfOrientedShapeListOfShape.hxx> |
35 | #include <TopTools_SequenceOfShape.hxx> |
36 | #include <TColgp_SequenceOfPnt.hxx> |
37 | class Standard_ConstructionError; |
38 | class Standard_NoSuchObject; |
39 | class TopoDS_Face; |
40 | class BRepMAT2d_BisectingLocus; |
41 | class BRepMAT2d_LinkTopoBilo; |
42 | class TopoDS_Shape; |
43 | class Bisector_Bisec; |
44 | class BRepFill_TrimEdgeTool; |
45 | |
46 | |
b608f6a5 |
47 | //! Constructs a Offset Wire to a spine (wire or face). |
48 | //! Offset direction will be to outer region in case of |
49 | //! positive offset value and to inner region in case of |
50 | //! negative offset value. |
51 | //! Inner/Outer region for open wire is defined by the |
52 | //! following rule: when we go along the wire (taking into |
53 | //! account of edges orientation) then outer region will be |
54 | //! on the right side, inner region will be on the left side. |
55 | //! In case of closed wire, inner region will always be |
56 | //! inside the wire (at that, edges orientation is not taken |
57 | //! into account). |
58 | //! The Wire or the Face must be planar and oriented correctly. |
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59 | class BRepFill_OffsetWire |
60 | { |
61 | public: |
62 | |
63 | DEFINE_STANDARD_ALLOC |
64 | |
65 | |
66 | Standard_EXPORT BRepFill_OffsetWire(); |
67 | |
68 | Standard_EXPORT BRepFill_OffsetWire(const TopoDS_Face& Spine, const GeomAbs_JoinType Join = GeomAbs_Arc, const Standard_Boolean IsOpenResult = Standard_False); |
69 | |
70 | //! Initialize the evaluation of Offseting. |
71 | Standard_EXPORT void Init (const TopoDS_Face& Spine, const GeomAbs_JoinType Join = GeomAbs_Arc, const Standard_Boolean IsOpenResult = Standard_False); |
72 | |
73 | //! Performs an OffsetWire at an altitude <Alt> from |
74 | //! the face ( According to the orientation of the |
75 | //! face) |
76 | Standard_EXPORT void Perform (const Standard_Real Offset, const Standard_Real Alt = 0.0); |
77 | |
78 | //! Performs an OffsetWire |
79 | Standard_EXPORT void PerformWithBiLo (const TopoDS_Face& WSP, const Standard_Real Offset, const BRepMAT2d_BisectingLocus& Locus, BRepMAT2d_LinkTopoBilo& Link, const GeomAbs_JoinType Join = GeomAbs_Arc, const Standard_Real Alt = 0.0); |
80 | |
81 | Standard_EXPORT Standard_Boolean IsDone() const; |
82 | |
83 | Standard_EXPORT const TopoDS_Face& Spine() const; |
84 | |
85 | //! returns the generated shape. |
86 | Standard_EXPORT const TopoDS_Shape& Shape() const; |
87 | |
88 | //! Returns the shapes created from a subshape |
89 | //! <SpineShape> of the spine. |
90 | //! Returns the last computed Offset. |
91 | Standard_EXPORT const TopTools_ListOfShape& GeneratedShapes (const TopoDS_Shape& SpineShape); |
92 | |
93 | Standard_EXPORT GeomAbs_JoinType JoinType() const; |
94 | |
95 | |
96 | |
97 | |
98 | protected: |
99 | |
100 | |
101 | |
102 | |
103 | |
104 | private: |
105 | |
106 | |
107 | Standard_EXPORT BRepFill_IndexedDataMapOfOrientedShapeListOfShape& Generated(); |
108 | |
109 | //! Prepare the spine as follow |
110 | //! - Cut the spine-Edges at the extrema of curvature and |
111 | //! at the inflexion points. |
112 | Standard_EXPORT void PrepareSpine(); |
113 | |
114 | //! Add the OffsetWire <Other> to <me> and update <myMap> |
115 | Standard_EXPORT void Add (const BRepFill_OffsetWire& Other); |
116 | |
117 | Standard_EXPORT void UpdateDetromp (BRepFill_DataMapOfOrientedShapeListOfShape& Detromp, const TopoDS_Shape& Shape1, const TopoDS_Shape& Shape2, const TopTools_SequenceOfShape& Vertices, const TColgp_SequenceOfPnt& Params, const Bisector_Bisec& Bisec, const Standard_Boolean SOnE, const Standard_Boolean EOnE, const BRepFill_TrimEdgeTool& Trim) const; |
118 | |
119 | //! Constructs the wires with the trimmed offset edges. |
120 | Standard_EXPORT void MakeWires(); |
121 | |
122 | //! Fix holes between open wires where it is possible |
123 | Standard_EXPORT void FixHoles(); |
124 | |
125 | |
126 | TopoDS_Face mySpine; |
127 | TopoDS_Face myWorkSpine; |
128 | Standard_Real myOffset; |
129 | Standard_Boolean myIsOpenResult; |
130 | TopoDS_Shape myShape; |
131 | Standard_Boolean myIsDone; |
132 | GeomAbs_JoinType myJoinType; |
133 | BRepFill_IndexedDataMapOfOrientedShapeListOfShape myMap; |
134 | BRepMAT2d_BisectingLocus myBilo; |
135 | BRepMAT2d_LinkTopoBilo myLink; |
136 | TopTools_DataMapOfShapeShape myMapSpine; |
137 | Standard_Boolean myCallGen; |
138 | |
139 | |
140 | }; |
141 | |
142 | |
143 | |
144 | |
145 | |
146 | |
147 | |
148 | #endif // _BRepFill_OffsetWire_HeaderFile |