xref: /aoo41x/main/i18npool/inc/calendar_hijri.hxx (revision cdf0e10c)
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27 #ifndef _I18N_CALENDAR_HIJRI_HXX_
28 #define _I18N_CALENDAR_HIJRI_HXX_
29 
30 #include "calendar_gregorian.hxx"
31 
32 
33 //	----------------------------------------------------
34 //	class Calendar_hijri
35 //	----------------------------------------------------
36 
37 namespace com { namespace sun { namespace star { namespace i18n {
38 
39 class Calendar_hijri : public Calendar_gregorian
40 {
41 public:
42 
43 	// Constructors
44 	Calendar_hijri();
45 
46 protected:
47 	void mapToGregorian() throw(com::sun::star::uno::RuntimeException);
48 	void mapFromGregorian() throw(com::sun::star::uno::RuntimeException);
49 
50 	// radians per degree (pi/180)
51 	static const double RadPerDeg;
52 
53 	// Synodic Period (mean time between 2 successive new moon: 29d, 12 hr, 44min, 3sec
54 	static const double SynPeriod;
55 
56 	static const double SynMonth;			// Solar days in a year/SynPeriod
57 
58 	// Julian day on Jan 1, 1900
59 	static const double jd1900;
60 
61 	// Reference point: September 1984 25d 3h 10m UT. == 1405 Hijri == 1048 Synodial month from 1900
62 	static const sal_Int32 SynRef;
63 	static const sal_Int32 GregRef;
64 
65 	// Local time (Saudi Arabia)
66 	static const double SA_TimeZone;		// Time Zone
67 
68 	// Period between 1.30pm - 6:30pm
69 	static const double EveningPeriod;
70 
71 	// "Leap" years
72 	static const sal_Int32 LeapYear[];
73 
74 private:
75 	double NewMoon(sal_Int32 n);
76 	void getHijri(sal_Int32 *day, sal_Int32 *month, sal_Int32 *year);
77 	void ToGregorian(sal_Int32 *day, sal_Int32 *month, sal_Int32 *year);
78 	void getGregorianDay(sal_Int32 jd, sal_Int32 *pnDay, sal_Int32 *pnMonth, sal_Int32 *pnYear);
79 	double getJulianDay(sal_Int32 day, sal_Int32 month, sal_Int32 year);
80 };
81 
82 } } } }
83 
84 #endif
85