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1 | // Created on: 1992-11-19 |
2 | // Created by: Remi LEQUETTE |
3 | // Copyright (c) 1992-1999 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 _BRepClass_Intersector_HeaderFile |
18 | #define _BRepClass_Intersector_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
21 | #include <Standard_DefineAlloc.hxx> |
22 | #include <Standard_Handle.hxx> |
23 | |
24 | #include <Geom2dInt_IntConicCurveOfGInter.hxx> |
25 | #include <Standard_Real.hxx> |
26 | class gp_Lin2d; |
27 | class BRepClass_Edge; |
28 | class gp_Dir2d; |
29 | |
30 | |
31 | //! Intersect an Edge with a segment. |
32 | //! Implement the Intersector2d required by the classifier. |
33 | class BRepClass_Intersector : public Geom2dInt_IntConicCurveOfGInter |
34 | { |
35 | public: |
36 | |
37 | DEFINE_STANDARD_ALLOC |
38 | |
39 | |
40 | Standard_EXPORT BRepClass_Intersector(); |
41 | |
42 | //! Intersect the line segment and the edge. |
43 | Standard_EXPORT void Perform (const gp_Lin2d& L, const Standard_Real P, const Standard_Real Tol, const BRepClass_Edge& E); |
44 | |
45 | //! Returns in <T>, <N> and <C> the tangent, normal |
46 | //! and curvature of the edge <E> at parameter value |
47 | //! <U>. |
48 | Standard_EXPORT void LocalGeometry (const BRepClass_Edge& E, const Standard_Real U, gp_Dir2d& T, gp_Dir2d& N, Standard_Real& C) const; |
49 | |
50 | |
51 | |
52 | |
53 | protected: |
54 | |
55 | |
56 | |
57 | |
58 | |
59 | private: |
60 | |
61 | |
62 | |
63 | |
64 | |
65 | }; |
66 | |
67 | |
68 | |
69 | |
70 | |
71 | |
72 | |
73 | #endif // _BRepClass_Intersector_HeaderFile |