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1 | // Created on: 1994-04-05 |
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 _Bisector_FunctionH_HeaderFile |
18 | #define _Bisector_FunctionH_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
21 | #include <Standard_DefineAlloc.hxx> |
22 | #include <Standard_Handle.hxx> |
23 | |
24 | #include <gp_Pnt2d.hxx> |
25 | #include <gp_Vec2d.hxx> |
26 | #include <math_FunctionWithDerivative.hxx> |
27 | #include <Standard_Boolean.hxx> |
28 | #include <Standard_Real.hxx> |
29 | class Geom2d_Curve; |
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30 | |
31 | |
32 | //! H(v) = (T1 .P2(v) - P1) * ||T(v)|| - |
33 | //! 2 2 |
34 | //! (T(v).P2(v) - P1) * ||T1|| |
35 | class Bisector_FunctionH : public math_FunctionWithDerivative |
36 | { |
37 | public: |
38 | |
39 | DEFINE_STANDARD_ALLOC |
40 | |
41 | |
42 | Standard_EXPORT Bisector_FunctionH(const Handle(Geom2d_Curve)& C2, const gp_Pnt2d& P1, const gp_Vec2d& T1); |
43 | |
44 | //! Computes the values of the Functions for the variable <X>. |
45 | Standard_EXPORT Standard_Boolean Value (const Standard_Real X, Standard_Real& F); |
46 | |
47 | Standard_EXPORT Standard_Boolean Derivative (const Standard_Real X, Standard_Real& D); |
48 | |
49 | //! Returns the values of the functions and the derivatives |
50 | //! for the variable <X>. |
51 | Standard_EXPORT Standard_Boolean Values (const Standard_Real X, Standard_Real& F, Standard_Real& D); |
52 | |
53 | |
54 | |
55 | |
56 | protected: |
57 | |
58 | |
59 | |
60 | |
61 | |
62 | private: |
63 | |
64 | |
65 | |
66 | Handle(Geom2d_Curve) curve2; |
67 | gp_Pnt2d p1; |
68 | gp_Vec2d t1; |
69 | |
70 | |
71 | }; |
72 | |
73 | |
74 | |
75 | |
76 | |
77 | |
78 | |
79 | #endif // _Bisector_FunctionH_HeaderFile |