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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: */