1/*
2 * Copyright (C) 2010 Petri Damstén <damu@iki.fi>
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU Library General Public License as
6 * published by the Free Software Foundation; either version 2, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details
13 *
14 * You should have received a copy of the GNU Library General Public
15 * License along with this program; if not, write to the
16 * Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 */
19
20#include "angle.h"
21#include "converter.h"
22#include <klocale.h>
23#include <math.h>
24
25using namespace KUnitConversion;
26
27class RadiansConv : public Complex
28{
29 double toDefault(double value) const { return (value / (2 * M_PI)) * 360.0; };
30 double fromDefault(double value) const { return (value / 360.0) * (2 * M_PI); };
31};
32
33Angle::Angle() : UnitCategory(AngleCategory)
34{
35 setName(i18n("Angle"));
36 setSymbolStringFormat(ki18nc("%1 value, %2 unit symbol (angle)", "%1 %2"));
37
38 setDefaultUnit(UP(Degree, 1,
39 i18nc("angle unit symbol", "°"),
40 i18nc("unit description in lists", "degrees"),
41 i18nc("unit synonyms for matching user input", "deg;degree;degrees;°"),
42 ki18nc("amount in units (real)", "%1 degrees"),
43 ki18ncp("amount in units (integer)", "%1 degree", "%1 degrees")
44 ));
45 U(Radian, new RadiansConv(),
46 i18nc("angle unit symbol", "rad"),
47 i18nc("unit description in lists", "radians"),
48 i18nc("unit synonyms for matching user input", "rad;radian;radians"),
49 ki18nc("amount in units (real)", "%1 radians"),
50 ki18ncp("amount in units (integer)", "%1 radian", "%1 radians")
51 );
52 U(Gradian, 360.0 / 400.0,
53 i18nc("angle unit symbol", "grad"),
54 i18nc("unit description in lists", "gradians"),
55 i18nc("unit synonyms for matching user input", "grad;gradian;gradians;grade;gon"),
56 ki18nc("amount in units (real)", "%1 gradians"),
57 ki18ncp("amount in units (integer)", "%1 gradian", "%1 gradians")
58 );
59 U(ArcMinute, 1.0 / 60.0,
60 i18nc("angle unit symbol", "'"),
61 i18nc("unit description in lists", "arc minutes"),
62 i18nc("unit synonyms for matching user input", "minute of arc;MOA;arcminute;minute;'"),
63 ki18nc("amount in units (real)", "%1 arc minutes"),
64 ki18ncp("amount in units (integer)", "%1 arc minute", "%1 arc minutes")
65 );
66 U(ArcSecond, 1.0 / 3600.0,
67 i18nc("angle unit symbol", "\""),
68 i18nc("unit description in lists", "arc seconds"),
69 i18nc("unit synonyms for matching user input", "second of arc;arcsecond;second;\""),
70 ki18nc("amount in units (real)", "%1 arc seconds"),
71 ki18ncp("amount in units (integer)", "%1 arc second", "%1 arc seconds")
72 );
73
74 setMostCommonUnits(QList<int>() << Degree << Radian << ArcMinute << ArcSecond);
75}
76
77