/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project .
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* 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 .
*/
#include <DateHelper.hxx>
#include <rtl/math.hxx>
#include <com/sun/star/chart/TimeUnit.hpp>
namespace chart
{
using namespace ::com::sun::star;
bool DateHelper::IsInSameYear( const Date& rD1, const Date& rD2 )
{
return rD1.GetYear() == rD2.GetYear();
}
bool DateHelper::IsInSameMonth( const Date& rD1, const Date& rD2 )
{
return (rD1.GetYear() == rD2.GetYear())
&& (rD1.GetMonth() == rD2.GetMonth());
}
Date DateHelper::GetDateSomeMonthsAway( const Date& rD, sal_Int32 nMonthDistance )
{
Date aRet(rD);
aRet.AddMonths( nMonthDistance );
return aRet;
}
Date DateHelper::GetDateSomeYearsAway( const Date& rD, sal_Int32 nYearDistance )
{
Date aRet(rD);
aRet.AddYears( static_cast <sal_Int16>(nYearDistance) );
return aRet;
}
bool DateHelper::IsLessThanOneMonthAway( const Date& rD1, const Date& rD2 )
{
Date aDMin( DateHelper::GetDateSomeMonthsAway( rD1, -1 ) );
Date aDMax( DateHelper::GetDateSomeMonthsAway( rD1, 1 ) );
return rD2 > aDMin && rD2 < aDMax;
}
bool DateHelper::IsLessThanOneYearAway( const Date& rD1, const Date& rD2 )
{
Date aDMin( DateHelper::GetDateSomeYearsAway( rD1, -1 ) );
Date aDMax( DateHelper::GetDateSomeYearsAway( rD1, 1 ) );
return rD2 > aDMin && rD2 < aDMax;
}
double DateHelper::RasterizeDateValue( double fValue, const Date& rNullDate, tools::Long TimeResolution )
{
if (std::isnan(fValue))
return fValue;
Date aDate(rNullDate); aDate.AddDays(::rtl::math::approxFloor(fValue));
switch (TimeResolution)
{
case css::chart::TimeUnit::DAY:
break ;
case css::chart::TimeUnit::YEAR:
aDate.SetMonth(1 );
aDate.SetDay(1 );
break ;
case css::chart::TimeUnit::MONTH:
default :
aDate.SetDay(1 );
break ;
}
return aDate - rNullDate;
}
} //namespace chart
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Messung V0.5 in Prozent C=94 H=94 G=93
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(vorverarbeitet am 2026-09-11)
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