92 lines
3 KiB
C++
92 lines
3 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: calendar_hijri.hxx,v $
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*
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* $Revision: 1.6 $
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*
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* last change: $Author: rt $ $Date: 2005-09-07 16:49:13 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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#ifndef _I18N_CALENDAR_HIJRI_HXX_
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#define _I18N_CALENDAR_HIJRI_HXX_
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#include "calendar_gregorian.hxx"
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// ----------------------------------------------------
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// class Calendar_hijri
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// ----------------------------------------------------
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namespace com { namespace sun { namespace star { namespace i18n {
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class Calendar_hijri : public Calendar_gregorian
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{
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public:
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// Constructors
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Calendar_hijri();
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protected:
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void SAL_CALL mapToGregorian() throw(com::sun::star::uno::RuntimeException);
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void SAL_CALL mapFromGregorian() throw(com::sun::star::uno::RuntimeException);
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// radians per degree (pi/180)
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static const double RadPerDeg;
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// Synodic Period (mean time between 2 successive new moon: 29d, 12 hr, 44min, 3sec
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static const double SynPeriod;
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static const double SynMonth; // Solar days in a year/SynPeriod
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// Julian day on Jan 1, 1900
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static const double jd1900;
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// Reference point: September 1984 25d 3h 10m UT. == 1405 Hijri == 1048 Synodial month from 1900
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static const sal_Int32 SynRef;
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static const sal_Int32 GregRef;
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// Local time (Saudi Arabia)
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static const double SA_TimeZone; // Time Zone
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// Period between 1.30pm - 6:30pm
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static const double EveningPeriod;
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// "Leap" years
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static const sal_Int32 LeapYear[];
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private:
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double NewMoon(sal_Int32 n);
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void getHijri(sal_Int32 *day, sal_Int32 *month, sal_Int32 *year);
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void ToGregorian(sal_Int32 *day, sal_Int32 *month, sal_Int32 *year);
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void getGregorianDay(sal_Int32 jd, sal_Int32 *pnDay, sal_Int32 *pnMonth, sal_Int32 *pnYear);
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double getJulianDay(sal_Int32 day, sal_Int32 month, sal_Int32 year);
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};
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} } } }
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#endif
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