mirror of
https://github.com/OPM/ResInsight.git
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118 lines
4.8 KiB
C++
118 lines
4.8 KiB
C++
/////////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2022 Equinor ASA
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//
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// ResInsight is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
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// for more details.
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//
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/////////////////////////////////////////////////////////////////////////////////
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#include "RiuQwtDateScaleWrapper.h"
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#include "RiuQwtPlotTools.h"
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#include "qwt_text.h"
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#include <set>
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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RiuQwtDateScaleWrapper::RiuQwtDateScaleWrapper()
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: m_scaleEngine( Qt::UTC )
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, m_maxMajorTicks( 7 )
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{
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RiuQwtDateScaleWrapper::setFormatStrings( const QString& dateFormat,
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const QString& timeFormat,
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RiaDefines::DateFormatComponents dateComponents,
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RiaDefines::TimeFormatComponents timeComponents )
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{
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std::set<QwtDate::IntervalType> intervals =
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{ QwtDate::Year, QwtDate::Month, QwtDate::Week, QwtDate::Day, QwtDate::Hour, QwtDate::Minute, QwtDate::Second, QwtDate::Millisecond };
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for ( QwtDate::IntervalType interval : intervals )
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{
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m_scaleDraw.setDateFormat( interval,
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RiuQwtPlotTools::dateTimeFormatForInterval( interval, dateFormat, timeFormat, dateComponents, timeComponents ) );
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}
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RiuQwtDateScaleWrapper::setMaxMajorTicks( int tickCount )
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{
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m_maxMajorTicks = tickCount;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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std::tuple<double, double, int> RiuQwtDateScaleWrapper::adjustedRange( const double& min, const double& max ) const
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{
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double stepSize = 0.0;
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double adjustedMin = min;
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double adjustedMax = max;
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m_scaleEngine.autoScale( m_maxMajorTicks, adjustedMin, adjustedMax, stepSize );
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auto scaleDiv = m_scaleEngine.divideScale( adjustedMin, adjustedMax, m_maxMajorTicks, 0 );
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auto ticks = scaleDiv.ticks( QwtScaleDiv::MajorTick );
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return { adjustedMin, adjustedMax, ticks.size() - 1 };
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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QString RiuQwtDateScaleWrapper::formatStringForRange( const QDateTime& min, const QDateTime& max )
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{
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auto intervalType = m_scaleEngine.intervalType( min, max, m_maxMajorTicks );
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auto dateFormat = m_scaleDraw.dateFormat( intervalType );
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return dateFormat;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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std::vector<std::pair<double, QString>> RiuQwtDateScaleWrapper::positionsAndLabels( const double& min, const double& max )
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{
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double stepSize = 0.0;
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double adjustedMin = min;
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double adjustedMax = max;
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m_scaleEngine.autoScale( m_maxMajorTicks, adjustedMin, adjustedMax, stepSize );
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auto scaleDiv = m_scaleEngine.divideScale( adjustedMin, adjustedMax, m_maxMajorTicks, 0 );
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auto ticks = scaleDiv.ticks( QwtScaleDiv::MajorTick );
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m_scaleDraw.setScaleDiv( scaleDiv );
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auto formatString = formatStringForRange( QDateTime::fromMSecsSinceEpoch( min ), QDateTime::fromMSecsSinceEpoch( max ) );
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std::vector<std::pair<double, QString>> valueAndLabel;
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for ( auto t : ticks )
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{
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auto qwtLabel = m_scaleDraw.label( t );
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auto labelText = QDateTime::fromMSecsSinceEpoch( t ).toString( formatString );
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valueAndLabel.emplace_back( t, labelText );
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}
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return valueAndLabel;
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}
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