i18npool/inc/calendar_hijri.hxx

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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