1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 #ifndef _I18N_CALENDAR_HIJRI_HXX_ 24 #define _I18N_CALENDAR_HIJRI_HXX_ 25 26 #include "calendar_gregorian.hxx" 27 28 29 // ---------------------------------------------------- 30 // class Calendar_hijri 31 // ---------------------------------------------------- 32 33 namespace com { namespace sun { namespace star { namespace i18n { 34 35 class Calendar_hijri : public Calendar_gregorian 36 { 37 public: 38 39 // Constructors 40 Calendar_hijri(); 41 42 protected: 43 void mapToGregorian() throw(com::sun::star::uno::RuntimeException); 44 void mapFromGregorian() throw(com::sun::star::uno::RuntimeException); 45 46 // radians per degree (pi/180) 47 static const double RadPerDeg; 48 49 // Synodic Period (mean time between 2 successive new moon: 29d, 12 hr, 44min, 3sec 50 static const double SynPeriod; 51 52 static const double SynMonth; // Solar days in a year/SynPeriod 53 54 // Julian day on Jan 1, 1900 55 static const double jd1900; 56 57 // Reference point: September 1984 25d 3h 10m UT. == 1405 Hijri == 1048 Synodial month from 1900 58 static const sal_Int32 SynRef; 59 static const sal_Int32 GregRef; 60 61 // Local time (Saudi Arabia) 62 static const double SA_TimeZone; // Time Zone 63 64 // Period between 1.30pm - 6:30pm 65 static const double EveningPeriod; 66 67 // "Leap" years 68 static const sal_Int32 LeapYear[]; 69 70 private: 71 double NewMoon(sal_Int32 n); 72 void getHijri(sal_Int32 *day, sal_Int32 *month, sal_Int32 *year); 73 void ToGregorian(sal_Int32 *day, sal_Int32 *month, sal_Int32 *year); 74 void getGregorianDay(sal_Int32 jd, sal_Int32 *pnDay, sal_Int32 *pnMonth, sal_Int32 *pnYear); 75 double getJulianDay(sal_Int32 day, sal_Int32 month, sal_Int32 year); 76 }; 77 78 } } } } 79 80 #endif 81