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[occt.git] / src / UnitsMethods / UnitsMethods.hxx
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42cf5bc1 1// Created on: 1994-09-29
2// Created by: Dieter THIEMANN
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 _UnitsMethods_HeaderFile
18#define _UnitsMethods_HeaderFile
19
20#include <Standard.hxx>
21#include <Standard_DefineAlloc.hxx>
22#include <Standard_Handle.hxx>
23
24#include <Standard_Real.hxx>
25#include <Standard_Boolean.hxx>
26#include <Standard_Integer.hxx>
27class Geom2d_Curve;
28class Geom_Surface;
29
30
31
32class UnitsMethods
33{
34public:
35
36 DEFINE_STANDARD_ALLOC
37
38
39 //! Initializes the 3 factors for the conversion of
40 //! units
41 Standard_EXPORT static void InitializeFactors (const Standard_Real LengthFactor, const Standard_Real PlaneAngleFactor, const Standard_Real SolidAngleFactor);
42
43 Standard_EXPORT static Standard_Real LengthFactor();
44
45 Standard_EXPORT static Standard_Real PlaneAngleFactor();
46
47 Standard_EXPORT static Standard_Real SolidAngleFactor();
48
49 Standard_EXPORT static void Set3dConversion (const Standard_Boolean B);
50
51 Standard_EXPORT static Standard_Boolean Convert3d();
52
53 Standard_EXPORT static Handle(Geom2d_Curve) RadianToDegree (const Handle(Geom2d_Curve)& C, const Handle(Geom_Surface)& S);
54
55 Standard_EXPORT static Handle(Geom2d_Curve) DegreeToRadian (const Handle(Geom2d_Curve)& C, const Handle(Geom_Surface)& S);
56
57 Standard_EXPORT static Handle(Geom2d_Curve) MirrorPCurve (const Handle(Geom2d_Curve)& C);
58
59 //! Returns value of unit encoded by parameter param
60 //! (integer value denoting unit, as described in IGES
61 //! standard) in millimeters
62 Standard_EXPORT static Standard_Real GetLengthFactorValue (const Standard_Integer param);
63
64 //! Returns value of current internal unit for CASCADE
65 //! in millemeters
66 Standard_EXPORT static Standard_Real GetCasCadeLengthUnit();
67
68 //! Sets value of current internal unit for CASCADE
69 //! by parameter param (integer value denoting unit,
70 //! as described in IGES standard)
71 //! GetCasCadeLengthUnit() will then return value
72 //! equal to GetLengthFactorValue(param)
73 Standard_EXPORT static void SetCasCadeLengthUnit (const Standard_Integer param);
74
75
76
77
78protected:
79
80
81
82
83
84private:
85
86
87
88
89
90};
91
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97
98#endif // _UnitsMethods_HeaderFile