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[occt.git] / src / ChFi3d / ChFi3d.hxx
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42cf5bc1 1// Created on: 1993-11-09
2// Created by: Laurent BOURESCHE
3// Copyright (c) 1993-1999 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 _ChFi3d_HeaderFile
18#define _ChFi3d_HeaderFile
19
20#include <Standard.hxx>
21#include <Standard_DefineAlloc.hxx>
22#include <Standard_Handle.hxx>
23
24#include <Standard_Integer.hxx>
25#include <TopAbs_Orientation.hxx>
26#include <Standard_Boolean.hxx>
27class BRepAdaptor_Surface;
28class TopoDS_Edge;
29class ChFi3d_Builder;
30class ChFi3d_ChBuilder;
31class ChFi3d_FilBuilder;
32class ChFi3d_SearchSing;
33
34
35//! creation of spatial fillets on a solid.
36class ChFi3d
37{
38public:
39
40 DEFINE_STANDARD_ALLOC
41
42
43 //! Returns Reversed in Or1 and(or) Or2 if
44 //! the concave edge defined by the interior of faces F1 and F2,
45 //! in the neighbourhood of their boundary E is of the edge opposite to the
46 //! normal of their surface support. The orientation of
47 //! faces is not taken into consideration in the calculation. The
48 //! function returns 0 if the calculation fails (tangence),
49 //! if not, it returns the number of choice of the fillet
50 //! or chamfer corresponding to the orientations calculated
51 //! and to the tangent to the guide line read in E.
52 Standard_EXPORT static Standard_Integer ConcaveSide (const BRepAdaptor_Surface& S1, const BRepAdaptor_Surface& S2, const TopoDS_Edge& E, TopAbs_Orientation& Or1, TopAbs_Orientation& Or2);
53
54 //! Same as ConcaveSide, but the orientations are
55 //! logically deduced from the result of the call of
56 //! ConcaveSide on the first pair of faces of the fillet or
57 //! chamnfer.
58 Standard_EXPORT static Standard_Integer NextSide (TopAbs_Orientation& Or1, TopAbs_Orientation& Or2, const TopAbs_Orientation OrSave1, const TopAbs_Orientation OrSave2, const Standard_Integer ChoixSauv);
59
60 //! Same as the other NextSide, but the calculation is done
61 //! on an edge only.
62 Standard_EXPORT static void NextSide (TopAbs_Orientation& Or, const TopAbs_Orientation OrSave, const TopAbs_Orientation OrFace);
63
64 //! Enables to determine while processing an angle, if
65 //! two fillets or chamfers constituting a face have
66 //! identic or opposed concave edges.
67 Standard_EXPORT static Standard_Boolean SameSide (const TopAbs_Orientation Or, const TopAbs_Orientation OrSave1, const TopAbs_Orientation OrSave2, const TopAbs_Orientation OrFace1, const TopAbs_Orientation OrFace2);
68
69
70
71
72protected:
73
74
75
76
77
78private:
79
80
81
82
83friend class ChFi3d_Builder;
84friend class ChFi3d_ChBuilder;
85friend class ChFi3d_FilBuilder;
86friend class ChFi3d_SearchSing;
87
88};
89
90
91
92
93
94
95
96#endif // _ChFi3d_HeaderFile