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/****************************************************************************
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**
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** Copyright (C) 2014 Digia Plc
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** All rights reserved.
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** For any questions to Digia, please use contact form at http://qt.io
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**
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** This file is part of the Qt Charts module.
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**
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** Licensees holding valid commercial license for Qt may use this file in
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** accordance with the Qt License Agreement provided with the Software
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** or, alternatively, in accordance with the terms contained in a written
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** agreement between you and Digia.
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**
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** If you have questions regarding the use of this file, please use
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** contact form at http://qt.io
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**
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****************************************************************************/
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#include <private/boxplotchartitem_p.h>
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#include <private/qboxplotseries_p.h>
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#include <private/bar_p.h>
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#include <private/qboxset_p.h>
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#include <private/qabstractbarseries_p.h>
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#include <QtCharts/QBoxSet>
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#include <private/boxwhiskers_p.h>
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#include <QtGui/QPainter>
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QT_CHARTS_BEGIN_NAMESPACE
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BoxPlotChartItem::BoxPlotChartItem(QBoxPlotSeries *series, QGraphicsItem *item) :
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ChartItem(series->d_func(), item),
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m_series(series),
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m_animation(0)
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{
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connect(series, SIGNAL(boxsetsRemoved(QList<QBoxSet *>)), this, SLOT(handleBoxsetRemove(QList<QBoxSet *>)));
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connect(series->d_func(), SIGNAL(restructuredBoxes()), this, SLOT(handleDataStructureChanged()));
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connect(series->d_func(), SIGNAL(updatedLayout()), this, SLOT(handleLayoutChanged()));
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connect(series->d_func(), SIGNAL(updatedBoxes()), this, SLOT(handleUpdatedBars()));
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connect(series->d_func(), SIGNAL(updated()), this, SLOT(handleUpdatedBars()));
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// QBoxPlotSeriesPrivate calls handleDataStructureChanged(), don't do it here
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setZValue(ChartPresenter::BoxPlotSeriesZValue);
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}
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BoxPlotChartItem::~BoxPlotChartItem()
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{
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}
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void BoxPlotChartItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
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{
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Q_UNUSED(painter);
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Q_UNUSED(option);
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Q_UNUSED(widget);
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}
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void BoxPlotChartItem::setAnimation(BoxPlotAnimation *animation)
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{
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m_animation = animation;
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if (m_animation) {
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foreach (BoxWhiskers *item, m_boxTable.values())
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m_animation->addBox(item);
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handleDomainUpdated();
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}
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}
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void BoxPlotChartItem::handleDataStructureChanged()
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{
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int setCount = m_series->count();
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for (int s = 0; s < setCount; s++) {
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QBoxSet *set = m_series->d_func()->boxSetAt(s);
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BoxWhiskers *box = m_boxTable.value(set);
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if (!box) {
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// Item is not yet created, make a box and add it to hash table
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box = new BoxWhiskers(set, domain(), this);
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m_boxTable.insert(set, box);
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connect(box, SIGNAL(clicked(QBoxSet *)), m_series, SIGNAL(clicked(QBoxSet *)));
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connect(box, SIGNAL(hovered(bool, QBoxSet *)), m_series, SIGNAL(hovered(bool, QBoxSet *)));
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connect(box, SIGNAL(pressed(QBoxSet *)), m_series, SIGNAL(pressed(QBoxSet *)));
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connect(box, SIGNAL(released(QBoxSet *)), m_series, SIGNAL(released(QBoxSet *)));
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connect(box, SIGNAL(doubleClicked(QBoxSet *)),
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m_series, SIGNAL(doubleClicked(QBoxSet *)));
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connect(box, SIGNAL(clicked(QBoxSet *)), set, SIGNAL(clicked()));
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connect(box, SIGNAL(hovered(bool, QBoxSet *)), set, SIGNAL(hovered(bool)));
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connect(box, SIGNAL(pressed(QBoxSet *)), set, SIGNAL(pressed()));
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connect(box, SIGNAL(released(QBoxSet *)), set, SIGNAL(released()));
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connect(box, SIGNAL(doubleClicked(QBoxSet *)), set, SIGNAL(doubleClicked()));
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// Set the decorative issues for the newly created box
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// so that the brush and pen already defined for the set are kept.
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if (set->brush() == Qt::NoBrush)
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box->setBrush(m_series->brush());
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else
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box->setBrush(set->brush());
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if (set->pen() == Qt::NoPen)
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box->setPen(m_series->pen());
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else
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box->setPen(set->pen());
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box->setBoxOutlined(m_series->boxOutlineVisible());
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box->setBoxWidth(m_series->boxWidth());
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}
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updateBoxGeometry(box, s);
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box->updateGeometry(domain());
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if (m_animation)
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m_animation->addBox(box);
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}
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handleDomainUpdated();
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}
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void BoxPlotChartItem::handleUpdatedBars()
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{
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foreach (BoxWhiskers *item, m_boxTable.values()) {
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item->setBrush(m_series->brush());
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item->setPen(m_series->pen());
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item->setBoxOutlined(m_series->boxOutlineVisible());
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item->setBoxWidth(m_series->boxWidth());
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}
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// Override with QBoxSet specific settings
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foreach (QBoxSet *set, m_boxTable.keys()) {
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if (set->brush().style() != Qt::NoBrush)
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m_boxTable.value(set)->setBrush(set->brush());
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if (set->pen().style() != Qt::NoPen)
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m_boxTable.value(set)->setPen(set->pen());
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}
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}
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void BoxPlotChartItem::handleBoxsetRemove(QList<QBoxSet*> barSets)
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{
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foreach (QBoxSet *set, barSets) {
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BoxWhiskers *boxItem = m_boxTable.value(set);
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m_boxTable.remove(set);
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delete boxItem;
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}
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}
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void BoxPlotChartItem::handleDomainUpdated()
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{
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if ((domain()->size().width() <= 0) || (domain()->size().height() <= 0))
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return;
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// Set my bounding rect to same as domain size. Add one pixel at the top (-1.0) and the bottom as 0.0 would
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// snip a bit off from the whisker at the grid line
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m_boundingRect.setRect(0.0, -1.0, domain()->size().width(), domain()->size().height() + 1.0);
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foreach (BoxWhiskers *item, m_boxTable.values()) {
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item->updateGeometry(domain());
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// If the animation is set, start the animation for each BoxWhisker item
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if (m_animation)
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presenter()->startAnimation(m_animation->boxAnimation(item));
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}
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}
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void BoxPlotChartItem::handleLayoutChanged()
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{
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foreach (BoxWhiskers *item, m_boxTable.values()) {
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if (m_animation)
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m_animation->setAnimationStart(item);
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item->setBoxWidth(m_series->boxWidth());
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bool dirty = updateBoxGeometry(item, item->m_data.m_index);
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if (dirty && m_animation)
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presenter()->startAnimation(m_animation->boxChangeAnimation(item));
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else
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item->updateGeometry(domain());
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}
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}
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QRectF BoxPlotChartItem::boundingRect() const
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{
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return m_boundingRect;
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}
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void BoxPlotChartItem::initializeLayout()
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{
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}
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QVector<QRectF> BoxPlotChartItem::calculateLayout()
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{
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return QVector<QRectF>();
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}
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bool BoxPlotChartItem::updateBoxGeometry(BoxWhiskers *box, int index)
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{
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bool changed = false;
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QBoxSet *set = m_series->d_func()->boxSetAt(index);
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BoxWhiskersData &data = box->m_data;
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if ((data.m_lowerExtreme != set->at(0)) || (data.m_lowerQuartile != set->at(1)) ||
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(data.m_median != set->at(2)) || (data.m_upperQuartile != set->at(3)) || (data.m_upperExtreme != set->at(4))) {
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changed = true;
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}
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data.m_lowerExtreme = set->at(0);
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data.m_lowerQuartile = set->at(1);
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data.m_median = set->at(2);
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data.m_upperQuartile = set->at(3);
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data.m_upperExtreme = set->at(4);
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data.m_index = index;
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data.m_boxItems = m_series->count();
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data.m_maxX = domain()->maxX();
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data.m_minX = domain()->minX();
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data.m_maxY = domain()->maxY();
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data.m_minY = domain()->minY();
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data.m_seriesIndex = m_seriesIndex;
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data.m_seriesCount = m_seriesCount;
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return changed;
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}
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#include "moc_boxplotchartitem_p.cpp"
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QT_CHARTS_END_NAMESPACE
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