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       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : #ifndef _I18N_CALENDAR_HIJRI_HXX_
      20             : #define _I18N_CALENDAR_HIJRI_HXX_
      21             : 
      22             : #include "calendar_gregorian.hxx"
      23             : 
      24             : 
      25             : //  ----------------------------------------------------
      26             : //  class Calendar_hijri
      27             : //  ----------------------------------------------------
      28             : 
      29             : namespace com { namespace sun { namespace star { namespace i18n {
      30             : 
      31           0 : class Calendar_hijri : public Calendar_gregorian
      32             : {
      33             : public:
      34             : 
      35             :     // Constructors
      36             :     Calendar_hijri();
      37             : 
      38             : protected:
      39             :     void mapToGregorian() throw(com::sun::star::uno::RuntimeException);
      40             :     void mapFromGregorian() throw(com::sun::star::uno::RuntimeException);
      41             : 
      42             :     // radians per degree (pi/180)
      43             :     static const double RadPerDeg;
      44             : 
      45             :     // Synodic Period (mean time between 2 successive new moon: 29d, 12 hr, 44min, 3sec
      46             :     static const double SynPeriod;
      47             : 
      48             :     static const double SynMonth;           // Solar days in a year/SynPeriod
      49             : 
      50             :     // Julian day on Jan 1, 1900
      51             :     static const double jd1900;
      52             : 
      53             :     // Reference point: September 1984 25d 3h 10m UT. == 1405 Hijri == 1048 Synodial month from 1900
      54             :     static const sal_Int32 SynRef;
      55             :     static const sal_Int32 GregRef;
      56             : 
      57             :     // Local time (Saudi Arabia)
      58             :     static const double SA_TimeZone;        // Time Zone
      59             : 
      60             :     // Period between 1.30pm - 6:30pm
      61             :     static const double EveningPeriod;
      62             : 
      63             :     // "Leap" years
      64             :     static const sal_Int32 LeapYear[];
      65             : 
      66             : private:
      67             :     double NewMoon(sal_Int32 n);
      68             :     void getHijri(sal_Int32 *day, sal_Int32 *month, sal_Int32 *year);
      69             :     void ToGregorian(sal_Int32 *day, sal_Int32 *month, sal_Int32 *year);
      70             :     void getGregorianDay(sal_Int32 jd, sal_Int32 *pnDay, sal_Int32 *pnMonth, sal_Int32 *pnYear);
      71             :     double getJulianDay(sal_Int32 day, sal_Int32 month, sal_Int32 year);
      72             : };
      73             : 
      74             : } } } }
      75             : 
      76             : #endif
      77             : 
      78             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */