xref: /aoo42x/main/i18npool/inc/calendar_hijri.hxx (revision cdf0e10c)
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27*cdf0e10cSrcweir #ifndef _I18N_CALENDAR_HIJRI_HXX_
28*cdf0e10cSrcweir #define _I18N_CALENDAR_HIJRI_HXX_
29*cdf0e10cSrcweir 
30*cdf0e10cSrcweir #include "calendar_gregorian.hxx"
31*cdf0e10cSrcweir 
32*cdf0e10cSrcweir 
33*cdf0e10cSrcweir //	----------------------------------------------------
34*cdf0e10cSrcweir //	class Calendar_hijri
35*cdf0e10cSrcweir //	----------------------------------------------------
36*cdf0e10cSrcweir 
37*cdf0e10cSrcweir namespace com { namespace sun { namespace star { namespace i18n {
38*cdf0e10cSrcweir 
39*cdf0e10cSrcweir class Calendar_hijri : public Calendar_gregorian
40*cdf0e10cSrcweir {
41*cdf0e10cSrcweir public:
42*cdf0e10cSrcweir 
43*cdf0e10cSrcweir 	// Constructors
44*cdf0e10cSrcweir 	Calendar_hijri();
45*cdf0e10cSrcweir 
46*cdf0e10cSrcweir protected:
47*cdf0e10cSrcweir 	void mapToGregorian() throw(com::sun::star::uno::RuntimeException);
48*cdf0e10cSrcweir 	void mapFromGregorian() throw(com::sun::star::uno::RuntimeException);
49*cdf0e10cSrcweir 
50*cdf0e10cSrcweir 	// radians per degree (pi/180)
51*cdf0e10cSrcweir 	static const double RadPerDeg;
52*cdf0e10cSrcweir 
53*cdf0e10cSrcweir 	// Synodic Period (mean time between 2 successive new moon: 29d, 12 hr, 44min, 3sec
54*cdf0e10cSrcweir 	static const double SynPeriod;
55*cdf0e10cSrcweir 
56*cdf0e10cSrcweir 	static const double SynMonth;			// Solar days in a year/SynPeriod
57*cdf0e10cSrcweir 
58*cdf0e10cSrcweir 	// Julian day on Jan 1, 1900
59*cdf0e10cSrcweir 	static const double jd1900;
60*cdf0e10cSrcweir 
61*cdf0e10cSrcweir 	// Reference point: September 1984 25d 3h 10m UT. == 1405 Hijri == 1048 Synodial month from 1900
62*cdf0e10cSrcweir 	static const sal_Int32 SynRef;
63*cdf0e10cSrcweir 	static const sal_Int32 GregRef;
64*cdf0e10cSrcweir 
65*cdf0e10cSrcweir 	// Local time (Saudi Arabia)
66*cdf0e10cSrcweir 	static const double SA_TimeZone;		// Time Zone
67*cdf0e10cSrcweir 
68*cdf0e10cSrcweir 	// Period between 1.30pm - 6:30pm
69*cdf0e10cSrcweir 	static const double EveningPeriod;
70*cdf0e10cSrcweir 
71*cdf0e10cSrcweir 	// "Leap" years
72*cdf0e10cSrcweir 	static const sal_Int32 LeapYear[];
73*cdf0e10cSrcweir 
74*cdf0e10cSrcweir private:
75*cdf0e10cSrcweir 	double NewMoon(sal_Int32 n);
76*cdf0e10cSrcweir 	void getHijri(sal_Int32 *day, sal_Int32 *month, sal_Int32 *year);
77*cdf0e10cSrcweir 	void ToGregorian(sal_Int32 *day, sal_Int32 *month, sal_Int32 *year);
78*cdf0e10cSrcweir 	void getGregorianDay(sal_Int32 jd, sal_Int32 *pnDay, sal_Int32 *pnMonth, sal_Int32 *pnYear);
79*cdf0e10cSrcweir 	double getJulianDay(sal_Int32 day, sal_Int32 month, sal_Int32 year);
80*cdf0e10cSrcweir };
81*cdf0e10cSrcweir 
82*cdf0e10cSrcweir } } } }
83*cdf0e10cSrcweir 
84*cdf0e10cSrcweir #endif
85