1 // Created on: 1995-10-19
2 // Created by: Bruno DUMORTIER
3 // Copyright (c) 1995-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
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.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #ifndef _BRepOffset_Offset_HeaderFile
18 #define _BRepOffset_Offset_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
24 #include <BRepOffset_Status.hxx>
25 #include <TopoDS_Face.hxx>
26 #include <TopTools_DataMapOfShapeShape.hxx>
27 #include <GeomAbs_JoinType.hxx>
28 #include <GeomAbs_Shape.hxx>
29 #include <TopTools_ListOfShape.hxx>
33 // resolve name collisions with X11 headers
38 //! This class compute elemenary offset surface.
39 //! Evaluate the offset generated :
42 //! 3 - from a vertex.
43 class BRepOffset_Offset
50 Standard_EXPORT BRepOffset_Offset();
52 Standard_EXPORT BRepOffset_Offset(const TopoDS_Face& Face, const Standard_Real Offset, const Standard_Boolean OffsetOutside = Standard_True, const GeomAbs_JoinType JoinType = GeomAbs_Arc);
54 //! This method will be called when you want to share
55 //! the edges soon generated from an other face.
56 //! e.g. when two faces are tangents the common edge
57 //! will generate only one edge ( no pipe).
59 //! The Map will be fill as follow:
62 //! with: E = an edge of <Face>
63 //! E' = the image of E in the offseting of
64 //! another face sharing E with a
65 //! continuity at least G1
66 Standard_EXPORT BRepOffset_Offset(const TopoDS_Face& Face, const Standard_Real Offset, const TopTools_DataMapOfShapeShape& Created, const Standard_Boolean OffsetOutside = Standard_True, const GeomAbs_JoinType JoinType = GeomAbs_Arc);
68 Standard_EXPORT BRepOffset_Offset(const TopoDS_Edge& Path, const TopoDS_Edge& Edge1, const TopoDS_Edge& Edge2, const Standard_Real Offset, const Standard_Boolean Polynomial = Standard_False, const Standard_Real Tol = 1.0e-4, const GeomAbs_Shape Conti = GeomAbs_C1);
70 Standard_EXPORT BRepOffset_Offset(const TopoDS_Edge& Path, const TopoDS_Edge& Edge1, const TopoDS_Edge& Edge2, const Standard_Real Offset, const TopoDS_Edge& FirstEdge, const TopoDS_Edge& LastEdge, const Standard_Boolean Polynomial = Standard_False, const Standard_Real Tol = 1.0e-4, const GeomAbs_Shape Conti = GeomAbs_C1);
72 //! Tol and Conti are only used if Polynomial is True
73 //! (Used to perfrom the approximation)
74 Standard_EXPORT BRepOffset_Offset(const TopoDS_Vertex& Vertex, const TopTools_ListOfShape& LEdge, const Standard_Real Offset, const Standard_Boolean Polynomial = Standard_False, const Standard_Real Tol = 1.0e-4, const GeomAbs_Shape Conti = GeomAbs_C1);
76 Standard_EXPORT void Init (const TopoDS_Face& Face, const Standard_Real Offset, const Standard_Boolean OffsetOutside = Standard_True, const GeomAbs_JoinType JoinType = GeomAbs_Arc);
78 Standard_EXPORT void Init (const TopoDS_Face& Face, const Standard_Real Offset, const TopTools_DataMapOfShapeShape& Created, const Standard_Boolean OffsetOutside = Standard_True, const GeomAbs_JoinType JoinType = GeomAbs_Arc);
80 Standard_EXPORT void Init (const TopoDS_Edge& Path, const TopoDS_Edge& Edge1, const TopoDS_Edge& Edge2, const Standard_Real Offset, const Standard_Boolean Polynomial = Standard_False, const Standard_Real Tol = 1.0e-4, const GeomAbs_Shape Conti = GeomAbs_C1);
82 Standard_EXPORT void Init (const TopoDS_Edge& Path, const TopoDS_Edge& Edge1, const TopoDS_Edge& Edge2, const Standard_Real Offset, const TopoDS_Edge& FirstEdge, const TopoDS_Edge& LastEdge, const Standard_Boolean Polynomial = Standard_False, const Standard_Real Tol = 1.0e-4, const GeomAbs_Shape Conti = GeomAbs_C1);
84 //! Tol and Conti are only used if Polynomial is True
85 //! (Used to perfrom the approximation)
86 Standard_EXPORT void Init (const TopoDS_Vertex& Vertex, const TopTools_ListOfShape& LEdge, const Standard_Real Offset, const Standard_Boolean Polynomial = Standard_False, const Standard_Real Tol = 1.0e-4, const GeomAbs_Shape Conti = GeomAbs_C1);
88 //! Only used in Rolling Ball. Pipe on Free Boundary
89 Standard_EXPORT void Init (const TopoDS_Edge& Edge, const Standard_Real Offset);
91 const TopoDS_Shape& InitialShape() const;
93 Standard_EXPORT const TopoDS_Face& Face() const;
95 Standard_EXPORT TopoDS_Shape Generated (const TopoDS_Shape& Shape) const;
97 Standard_EXPORT BRepOffset_Status Status() const;
112 TopoDS_Shape myShape;
113 BRepOffset_Status myStatus;
115 TopTools_DataMapOfShapeShape myMap;
121 #include <BRepOffset_Offset.lxx>
127 #endif // _BRepOffset_Offset_HeaderFile