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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
commit | ed5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch) | |
tree | 7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /chart2/source/view/axes/DateHelper.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-upstream.tar.xz libreoffice-upstream.zip |
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | chart2/source/view/axes/DateHelper.cxx | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/chart2/source/view/axes/DateHelper.cxx b/chart2/source/view/axes/DateHelper.cxx new file mode 100644 index 000000000..4c4a96dce --- /dev/null +++ b/chart2/source/view/axes/DateHelper.cxx @@ -0,0 +1,93 @@ +/* -*- 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 . + */ + +#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 + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |