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