forked from amazingfate/loongoffice
dd9c97d587
Change-Id: I3f5e86dba2df950aeb12c895f52d99274c0959aa Reviewed-on: https://gerrit.libreoffice.org/5148 Reviewed-by: Luboš Luňák <l.lunak@suse.cz> Tested-by: Luboš Luňák <l.lunak@suse.cz>
106 lines
3.2 KiB
C++
106 lines
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include "DateHelper.hxx"
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#include "DateScaling.hxx"
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#include <rtl/math.hxx>
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#include <com/sun/star/chart/TimeUnit.hpp>
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namespace chart
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{
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using namespace ::com::sun::star;
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bool DateHelper::IsInSameYear( const Date& rD1, const Date& rD2 )
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{
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return rD1.GetYear() == rD2.GetYear();
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}
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bool DateHelper::IsInSameMonth( const Date& rD1, const Date& rD2 )
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{
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return (rD1.GetYear() == rD2.GetYear())
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&& (rD1.GetMonth() == rD2.GetMonth());
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}
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Date DateHelper::GetDateSomeMonthsAway( const Date& rD, long nMonthDistance )
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{
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Date aRet(rD);
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long nMonth = rD.GetMonth()+nMonthDistance;
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long nNewMonth = nMonth%12;
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long nNewYear = rD.GetYear() + nMonth/12;
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if( nMonth <= 0 || !nNewMonth )
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nNewYear--;
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if( nNewMonth <= 0 )
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nNewMonth += 12;
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aRet.SetMonth( sal_uInt16(nNewMonth) );
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aRet.SetYear( sal_uInt16(nNewYear) );
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aRet.Normalize();
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return aRet;
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}
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Date DateHelper::GetDateSomeYearsAway( const Date& rD, long nYearDistance )
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{
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Date aRet(rD);
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aRet.SetYear( static_cast<sal_uInt16>(rD.GetYear()+nYearDistance) );
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aRet.Normalize();
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return aRet;
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}
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bool DateHelper::IsLessThanOneMonthAway( const Date& rD1, const Date& rD2 )
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{
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Date aDMin( DateHelper::GetDateSomeMonthsAway( rD1, -1 ) );
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Date aDMax( DateHelper::GetDateSomeMonthsAway( rD1, 1 ) );
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if( rD2 > aDMin && rD2 < aDMax )
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return true;
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return false;
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}
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bool DateHelper::IsLessThanOneYearAway( const Date& rD1, const Date& rD2 )
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{
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Date aDMin( DateHelper::GetDateSomeYearsAway( rD1, -1 ) );
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Date aDMax( DateHelper::GetDateSomeYearsAway( rD1, 1 ) );
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if( rD2 > aDMin && rD2 < aDMax )
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return true;
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return false;
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}
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double DateHelper::RasterizeDateValue( double fValue, const Date& rNullDate, long TimeResolution )
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{
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Date aDate(rNullDate); aDate += static_cast<long>(::rtl::math::approxFloor(fValue));
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switch(TimeResolution)
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{
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case ::com::sun::star::chart::TimeUnit::DAY:
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break;
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case ::com::sun::star::chart::TimeUnit::YEAR:
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aDate.SetMonth(1);
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aDate.SetDay(1);
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break;
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case ::com::sun::star::chart::TimeUnit::MONTH:
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default:
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aDate.SetDay(1);
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break;
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}
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return aDate - rNullDate;
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}
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} //namespace chart
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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