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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_I18NPOOL_INC_CALENDAR_HIJRI_HXX
#define INCLUDED_I18NPOOL_INC_CALENDAR_HIJRI_HXX
#include "calendar_gregorian.hxx"
namespace i18npool {
class Calendar_hijri final : public Calendar_gregorian
{
public:
// Constructors
Calendar_hijri();
private:
void mapToGregorian() override;
void mapFromGregorian() override;
// radians per degree (pi/180)
static const double RadPerDeg;
// Synodic Period (mean time between 2 successive new moon: 29d, 12 hr, 44min, 3sec
static const double SynPeriod;
static const double SynMonth; // Solar days in a year/SynPeriod
// Julian day on Jan 1, 1900
static const double jd1900;
// Reference point: September 1984 25d 3h 10m UT. == 1405 Hijri == 1048 Synodial month from 1900
static const sal_Int32 SynRef;
static const sal_Int32 GregRef;
// Local time (Saudi Arabia)
static const double SA_TimeZone; // Time Zone
// Period between 1.30pm - 6:30pm
static const double EveningPeriod;
// "Leap" years
static const sal_Int32 LeapYear[];
private:
static double NewMoon(sal_Int32 n);
static void getHijri(sal_Int32 *day, sal_Int32 *month, sal_Int32 *year);
static void ToGregorian(sal_Int32 *day, sal_Int32 *month, sal_Int32 *year);
static void getGregorianDay(sal_Int32 jd, sal_Int32 *pnDay, sal_Int32 *pnMonth, sal_Int32 *pnYear);
static sal_Int32 getJulianDay(sal_Int32 day, sal_Int32 month, sal_Int32 year);
};
}
#endif
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