i18npool/inc/calendar_hijri.hxx

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