Warnings on vc14 were eliminated
[occt.git] / src / IntImpParGen / IntImpParGen_ImpTool.hxx
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42cf5bc1 1// Created on: 1992-03-26
2// Created by: Laurent BUCHARD
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 _IntImpParGen_ImpTool_HeaderFile
18#define _IntImpParGen_ImpTool_HeaderFile
19
20#include <Standard.hxx>
21#include <Standard_DefineAlloc.hxx>
22#include <Standard_Handle.hxx>
23
24#include <Standard_Real.hxx>
25class gp_Pnt2d;
26class gp_Vec2d;
27
28
29//! Template class for an implicit curve.
30class IntImpParGen_ImpTool
31{
32public:
33
34 DEFINE_STANDARD_ALLOC
35
36
37 Standard_EXPORT gp_Pnt2d Value (const Standard_Real U) const;
38
39 Standard_EXPORT void D1 (const Standard_Real U, gp_Pnt2d& P, gp_Vec2d& T) const;
40
41 Standard_EXPORT void D2 (const Standard_Real U, gp_Pnt2d& P, gp_Vec2d& T, gp_Vec2d& N) const;
42
43 //! Computes the value of the signed distance between
44 //! the point P and the implicit curve.
45 Standard_EXPORT Standard_Real Distance (const gp_Pnt2d& P) const;
46
47 //! Computes the Gradient of the Signed Distance
48 //! between a point and the implicit curve, at the
49 //! point P.
50 Standard_EXPORT gp_Vec2d GradDistance (const gp_Pnt2d& P) const;
51
52 //! Returns the parameter U of the point on the
53 //! implicit curve corresponding to the point P.
54 //! The correspondance between P and the point P(U) on
55 //! the implicit curve must be coherent with the way
56 //! of determination of the signed distance.
57 Standard_EXPORT Standard_Real FindParameter (const gp_Pnt2d& P) const;
58
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60
61
62protected:
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68private:
69
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73
74};
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81
82#endif // _IntImpParGen_ImpTool_HeaderFile