| 42cf5bc1 |
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 |
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