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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.digia.com
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**
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** This file is part of the Qt Enterprise Charts Add-on.
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**
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** $QT_BEGIN_LICENSE$
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** Licensees holding valid Qt Enterprise licenses may use this file in
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** accordance with the Qt Enterprise License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written 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.digia.com
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtCharts/QBoxSet>
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#include <private/qboxset_p.h>
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#include <private/charthelpers_p.h>
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QT_CHARTS_BEGIN_NAMESPACE
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/*!
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\class QBoxSet
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\inmodule Qt Charts
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\brief Building block for box-and-whiskers chart.
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QBoxSet represents one box-and-whiskers item. It takes five values to create a graphical representation
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of range and three medians. There are two ways to give the values. The first one is with constructor
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or stream operator (<<). The values have to be given in the following order: lower extreme,
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lower quartile, median, upper quartile and upper extreme. The Second method is to create an empty QBoxSet instance and
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give the values using setValue method.
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\mainclass
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\sa QBoxPlotSeries
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*/
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/*!
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\enum QBoxSet::ValuePositions
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\value LowerExtreme
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\value LowerQuartile
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\value Median
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\value UpperQuartile
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\value UpperExtreme
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*/
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/*!
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\property QBoxSet::pen
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\brief Defines the pen used by the box-and-whiskers set.
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*/
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/*!
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\property QBoxSet::brush
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\brief Defines the brush used by the box-and-whiskers set.
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*/
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/*!
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\qmlproperty QString BoxSet::brushFilename
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The name of the file used as a brush for the box-and-whiskers set.
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*/
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/*!
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\fn void QBoxSet::clicked()
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The signal is emitted if the user clicks with a mouse on top of box-and-whisker item.
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*/
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/*!
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\fn void QBoxSet::hovered(bool status)
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The signal is emitted if mouse is hovered on top of box-and-whisker item.
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Parameter \a status is true, if mouse entered on top of item, false if mouse left from top of item.
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*/
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/*!
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\fn void QBoxSet::penChanged()
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This signal is emitted when the pen of the box-and-whisker item has changed.
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\sa pen
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*/
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/*!
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\fn void QBoxSet::brushChanged()
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This signal is emitted when the brush of the box-and-whisker item has changed.
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\sa brush
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*/
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/*!
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\fn void QBoxSet::valuesChanged()
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This signal is emitted when multiple values have been changed on the box-and-whisker item.
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\sa append()
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*/
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/*!
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\fn void QBoxSet::valueChanged(int index)
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This signal is emitted values the value in the box-and-whisker item has been modified.
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Parameter \a index indicates the position of the modified value.
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\sa at()
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*/
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/*!
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\fn void QBoxSet::cleared()
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This signal is emitted when all the values on the set are cleared to 0.
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*/
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/*!
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Constructs QBoxSet with optional \a label and parent of \a parent
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*/
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QBoxSet::QBoxSet(const QString label, QObject *parent)
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: QObject(parent),
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d_ptr(new QBoxSetPrivate(label, this))
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{
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}
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/*!
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Constructs QBoxSet with given ordered values. \a le for lower extreme, \a lq for lower quartile, \a m for median,
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\a uq for upper quartile and \a ue for upper quartile. \a label and \a parent are optional.
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*/
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QBoxSet::QBoxSet(const qreal le, const qreal lq, const qreal m, const qreal uq, const qreal ue, const QString label, QObject *parent)
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: QObject(parent),
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d_ptr(new QBoxSetPrivate(label, this))
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{
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d_ptr->append(le);
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d_ptr->append(lq);
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d_ptr->append(m);
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d_ptr->append(uq);
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d_ptr->append(ue);
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}
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/*!
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Destroys the boxset
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*/
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QBoxSet::~QBoxSet()
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{
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}
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/*!
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Appends new value \a value to the end of set.
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*/
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void QBoxSet::append(const qreal value)
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{
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if (d_ptr->append(value))
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emit valueChanged(d_ptr->m_appendCount - 1);
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}
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/*!
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Appends a list of reals to set. Works like append with single real value. The \a values in list
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are appended to end of boxset.
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\sa append()
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*/
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void QBoxSet::append(const QList<qreal> &values)
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{
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if (d_ptr->append(values))
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emit valuesChanged();
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}
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/*!
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Sets new \a label for set.
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*/
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void QBoxSet::setLabel(const QString label)
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{
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d_ptr->m_label = label;
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}
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/*!
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Returns label of the set.
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*/
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QString QBoxSet::label() const
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{
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return d_ptr->m_label;
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}
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/*!
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Convenience operator. Same as append, with real \a value.
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\sa append()
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*/
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QBoxSet &QBoxSet::operator << (const qreal &value)
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{
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append(value);
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return *this;
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}
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/*!
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Sets a new \a value on the \a index position. For \a index ValuePositions can be used.
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*/
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void QBoxSet::setValue(const int index, const qreal value)
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{
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d_ptr->setValue(index, value);
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emit valueChanged(index);
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}
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/*!
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Sets all values on the set to 0.
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*/
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void QBoxSet::clear()
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{
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d_ptr->clear();
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emit cleared();
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}
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/*!
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Returns value of set indexed by \a index. For \a index ValuePositions can be used.
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If the index is out of bounds 0.0 is returned.
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*/
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qreal QBoxSet::at(const int index) const
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{
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if (index < 0 || index >= 5)
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return 0;
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return d_ptr->m_values[index];
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}
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/*!
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Returns value of set indexed by \a index. For \a index ValuePositions can be used.
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If the index is out of bounds 0.0 is returned.
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*/
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qreal QBoxSet::operator [](const int index) const
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{
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return at(index);
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}
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/*!
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Returns count of values appended to the set.
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*/
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int QBoxSet::count() const
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{
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return d_ptr->m_appendCount;
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}
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/*!
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Sets pen for set. Boxes of this set are drawn using \a pen
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*/
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void QBoxSet::setPen(const QPen &pen)
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{
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if (d_ptr->m_pen != pen) {
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d_ptr->m_pen = pen;
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emit d_ptr->updatedBox();
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emit penChanged();
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}
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}
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/*!
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Returns pen of the set.
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*/
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QPen QBoxSet::pen() const
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{
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return d_ptr->m_pen;
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}
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/*!
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Sets brush for the set. Boxes of this set are drawn using \a brush
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*/
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void QBoxSet::setBrush(const QBrush &brush)
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{
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if (d_ptr->m_brush != brush) {
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d_ptr->m_brush = brush;
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emit d_ptr->updatedBox();
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emit brushChanged();
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}
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}
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/*!
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Returns brush of the set.
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*/
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QBrush QBoxSet::brush() const
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{
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return d_ptr->m_brush;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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QBoxSetPrivate::QBoxSetPrivate(const QString label, QBoxSet *parent) : QObject(parent),
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q_ptr(parent),
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m_label(label),
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m_valuesCount(5),
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m_appendCount(0),
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m_pen(QPen(Qt::NoPen)),
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m_brush(QBrush(Qt::NoBrush)),
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m_series(0)
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{
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m_values = new qreal[m_valuesCount];
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}
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QBoxSetPrivate::~QBoxSetPrivate()
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{
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}
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bool QBoxSetPrivate::append(qreal value)
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{
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if (isValidValue(value) && m_appendCount < m_valuesCount) {
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m_values[m_appendCount++] = value;
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emit restructuredBox();
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return true;
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}
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return false;
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}
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bool QBoxSetPrivate::append(QList<qreal> values)
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{
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bool success = false;
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for (int i = 0; i < values.count(); i++) {
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if (isValidValue(values.at(i)) && m_appendCount < m_valuesCount) {
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success = true;
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m_values[m_appendCount++] = values.at(i);
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}
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}
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if (success)
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emit restructuredBox();
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return success;
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}
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void QBoxSetPrivate::clear()
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{
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m_appendCount = 0;
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for (int i = 0; i < m_valuesCount; i++)
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m_values[i] = 0.0;
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emit restructuredBox();
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}
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void QBoxSetPrivate::setValue(const int index, const qreal value)
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{
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if (index < m_valuesCount) {
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m_values[index] = value;
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emit updatedLayout();
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}
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}
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qreal QBoxSetPrivate::value(const int index)
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{
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if (index < 0 || index >= m_valuesCount)
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return 0;
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return m_values[index];
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}
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#include "moc_qboxset.cpp"
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#include "moc_qboxset_p.cpp"
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QT_CHARTS_END_NAMESPACE
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