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1 | // Created on: 1994-09-02 |
2 | // Created by: Yves FRICAUD |
3 | // Copyright (c) 1994-1999 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 _Geom2dLProp_NumericCurInf2d_HeaderFile |
18 | #define _Geom2dLProp_NumericCurInf2d_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
21 | #include <Standard_DefineAlloc.hxx> |
22 | #include <Standard_Handle.hxx> |
23 | |
24 | #include <Standard_Boolean.hxx> |
25 | #include <Standard_Real.hxx> |
26 | class Geom2d_Curve; |
27 | class LProp_CurAndInf; |
28 | |
29 | |
30 | //! Computes the locals extremas of curvature and the |
31 | //! inflections of a bounded curve in 2d. |
32 | class Geom2dLProp_NumericCurInf2d |
33 | { |
34 | public: |
35 | |
36 | DEFINE_STANDARD_ALLOC |
37 | |
38 | |
39 | Standard_EXPORT Geom2dLProp_NumericCurInf2d(); |
40 | |
41 | //! Computes the locals extremas of curvature. |
42 | Standard_EXPORT void PerformCurExt (const Handle(Geom2d_Curve)& C, LProp_CurAndInf& Result); |
43 | |
44 | //! Computes the inflections. |
45 | Standard_EXPORT void PerformInf (const Handle(Geom2d_Curve)& C, LProp_CurAndInf& Result); |
46 | |
47 | //! Computes the locals extremas of curvature. |
48 | //! in the interval of parmeters [UMin,UMax]. |
49 | Standard_EXPORT void PerformCurExt (const Handle(Geom2d_Curve)& C, const Standard_Real UMin, const Standard_Real UMax, LProp_CurAndInf& Result); |
50 | |
51 | //! Computes the inflections in the interval of |
52 | //! parmeters [UMin,UMax]. |
53 | Standard_EXPORT void PerformInf (const Handle(Geom2d_Curve)& C, const Standard_Real UMin, const Standard_Real UMax, LProp_CurAndInf& Result); |
54 | |
55 | //! True if the solutions are found. |
56 | Standard_EXPORT Standard_Boolean IsDone() const; |
57 | |
58 | |
59 | |
60 | |
61 | protected: |
62 | |
63 | |
64 | |
65 | |
66 | |
67 | private: |
68 | |
69 | |
70 | |
71 | Standard_Boolean isDone; |
72 | |
73 | |
74 | }; |
75 | |
76 | |
77 | |
78 | |
79 | |
80 | |
81 | |
82 | #endif // _Geom2dLProp_NumericCurInf2d_HeaderFile |