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libreoffice/chart2/source/view/axes/Tickmarks_Dates.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

151 lines
5 KiB
C++

/* -*- 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 "Tickmarks_Dates.hxx"
#include "DateScaling.hxx"
#include <rtl/math.hxx>
#include <osl/diagnose.h>
#include <DateHelper.hxx>
#include <com/sun/star/chart/TimeUnit.hpp>
#include <utility>
namespace chart
{
using namespace ::com::sun::star;
using namespace ::com::sun::star::chart2;
using namespace ::rtl::math;
using ::com::sun::star::chart::TimeUnit::DAY;
using ::com::sun::star::chart::TimeUnit::MONTH;
using ::com::sun::star::chart::TimeUnit::YEAR;
DateTickFactory::DateTickFactory(
ExplicitScaleData aScale, ExplicitIncrementData aIncrement )
: m_aScale(std::move( aScale ))
, m_aIncrement(std::move( aIncrement ))
{
//@todo: make sure that the scale is valid for the scaling
if( m_aScale.Scaling.is() )
{
m_xInverseScaling = m_aScale.Scaling->getInverseScaling();
OSL_ENSURE( m_xInverseScaling.is(), "each Scaling needs to return an inverse Scaling" );
}
}
DateTickFactory::~DateTickFactory()
{
}
void DateTickFactory::getAllTicks( TickInfoArraysType& rAllTickInfos, bool bShifted ) const
{
rAllTickInfos.resize(2);
TickInfoArrayType& rMajorTicks = rAllTickInfos[0];
TickInfoArrayType& rMinorTicks = rAllTickInfos[1];
rMajorTicks.clear();
rMinorTicks.clear();
Date aNull(m_aScale.NullDate);
Date aDate = aNull + static_cast<sal_Int32>(::rtl::math::approxFloor(m_aScale.Minimum));
Date aMaxDate = aNull + static_cast<sal_Int32>(::rtl::math::approxFloor(m_aScale.Maximum));
uno::Reference< chart2::XScaling > xScaling(m_aScale.Scaling);
uno::Reference< chart2::XScaling > xInverseScaling(m_xInverseScaling);
if( bShifted )
{
xScaling = new DateScaling(aNull,m_aScale.TimeResolution,true/*bShifted*/);
xInverseScaling = xScaling->getInverseScaling();
}
//create major date tickinfos
while( aDate<= aMaxDate )
{
if( bShifted && aDate==aMaxDate )
break;
TickInfo aNewTick(xInverseScaling); aNewTick.fScaledTickValue = aDate - aNull;
if( xInverseScaling.is() )
aNewTick.fScaledTickValue = xScaling->doScaling(aNewTick.fScaledTickValue);
rMajorTicks.push_back( aNewTick );
if(m_aIncrement.MajorTimeInterval.Number<=0)
break;
//find next major date
switch( m_aIncrement.MajorTimeInterval.TimeUnit )
{
case DAY:
aDate.AddDays( m_aIncrement.MajorTimeInterval.Number );
break;
case YEAR:
aDate = DateHelper::GetDateSomeYearsAway( aDate, m_aIncrement.MajorTimeInterval.Number );
break;
case MONTH:
default:
aDate = DateHelper::GetDateSomeMonthsAway( aDate, m_aIncrement.MajorTimeInterval.Number );
break;
}
}
//create minor date tickinfos
aDate = aNull + static_cast<sal_Int32>(::rtl::math::approxFloor(m_aScale.Minimum));
while( aDate<= aMaxDate )
{
if( bShifted && aDate==aMaxDate )
break;
TickInfo aNewTick(xInverseScaling); aNewTick.fScaledTickValue = aDate - aNull;
if( xInverseScaling.is() )
aNewTick.fScaledTickValue = xScaling->doScaling(aNewTick.fScaledTickValue);
rMinorTicks.push_back( aNewTick );
if(m_aIncrement.MinorTimeInterval.Number<=0)
break;
//find next minor date
switch( m_aIncrement.MinorTimeInterval.TimeUnit )
{
case DAY:
aDate.AddDays( m_aIncrement.MinorTimeInterval.Number );
break;
case YEAR:
aDate = DateHelper::GetDateSomeYearsAway( aDate, m_aIncrement.MinorTimeInterval.Number );
break;
case MONTH:
default:
aDate = DateHelper::GetDateSomeMonthsAway( aDate, m_aIncrement.MinorTimeInterval.Number );
break;
}
}
}
void DateTickFactory::getAllTicks( TickInfoArraysType& rAllTickInfos ) const
{
getAllTicks( rAllTickInfos, false );
}
void DateTickFactory::getAllTicksShifted( TickInfoArraysType& rAllTickInfos ) const
{
getAllTicks( rAllTickInfos, true );
}
} //namespace chart
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */