i18npool/inc/calendar_hijri.hxx

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  28 #ifndef _I18N_CALENDAR_HIJRI_HXX_
  29 #define _I18N_CALENDAR_HIJRI_HXX_
  30
  31 #include "calendar_gregorian.hxx"
  32
  33
  34 //  ----------------------------------------------------
  35 //  class Calendar_hijri
  36 //  ----------------------------------------------------
  37
  38 namespace com { namespace sun { namespace star { namespace i18n {
  39
  40 class Calendar_hijri : public Calendar_gregorian
  41 {
  42 public:
  43
  44     // Constructors
  45     Calendar_hijri();
  46
  47 protected:
  48     void mapToGregorian() throw(com::sun::star::uno::RuntimeException);
  49     void mapFromGregorian() throw(com::sun::star::uno::RuntimeException);
  50
  51     // radians per degree (pi/180)
  52     static const double RadPerDeg;
  53
  54     // Synodic Period (mean time between 2 successive new moon: 29d, 12 hr, 44min, 3sec
  55     static const double SynPeriod;
  56
  57     static const double SynMonth;           // Solar days in a year/SynPeriod
  58
  59     // Julian day on Jan 1, 1900
  60     static const double jd1900;
  61
  62     // Reference point: September 1984 25d 3h 10m UT. == 1405 Hijri == 1048 Synodial month from 1900
  63     static const sal_Int32 SynRef;
  64     static const sal_Int32 GregRef;
  65
  66     // Local time (Saudi Arabia)
  67     static const double SA_TimeZone;        // Time Zone
  68
  69     // Period between 1.30pm - 6:30pm
  70     static const double EveningPeriod;
  71
  72     // "Leap" years
  73     static const sal_Int32 LeapYear[];
  74
  75 private:
  76     double NewMoon(sal_Int32 n);
  77     void getHijri(sal_Int32 *day, sal_Int32 *month, sal_Int32 *year);
  78     void ToGregorian(sal_Int32 *day, sal_Int32 *month, sal_Int32 *year);
  79     void getGregorianDay(sal_Int32 jd, sal_Int32 *pnDay, sal_Int32 *pnMonth, sal_Int32 *pnYear);
  80     double getJulianDay(sal_Int32 day, sal_Int32 month, sal_Int32 year);
  81 };
  82
  83 } } } }
  84
  85 #endif
  86
  87 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */