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#include "qcolormapseries.h"
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#include <private/qcolormapseries_p.h>
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#include <private/abstractdomain_p.h>
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#include <QtCharts/QValueAxis>
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#include <private/colormapchart_p.h>
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#include <QtCharts/QColorMapLegendMarker>
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#include <private/charthelpers_p.h>
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#include <private/qchart_p.h>
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#include <QtGui/QPainter>
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//#include <algorithm>
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#include <cmath>
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#include "qcolorbaraxis.h"
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QT_CHARTS_BEGIN_NAMESPACE
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/*!
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\internal
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Constructs empty series object which is a child of \a parent.
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When series object is added to QChart instance ownerships is transferred.
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*/
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QColorMapSeries::QColorMapSeries(QObject *parent)
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: QAbstractSeries(*new QColorMapSeriesPrivate(this), parent)
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{
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}
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/*!
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\internal
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Constructs empty series object which is a child of \a parent.
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When series object is added to QChart instance ownerships is transferred.
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*/
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QColorMapSeries::QColorMapSeries(QColorMapSeriesPrivate &d, QObject *parent)
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: QAbstractSeries(d, parent)
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{
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}
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/*!
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Destroys the object. Series added to QChart instances are owned by those,
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and are destroyed when QChart instances are destroyed.
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*/
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QColorMapSeries::~QColorMapSeries()
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{
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}
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/*!
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\fn virtual SeriesType QBoxPlotSeries::type() const
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\brief Returns type of series.
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\sa QAbstractSeries, SeriesType
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*/
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QAbstractSeries::SeriesType QColorMapSeries::type() const
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{
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return QAbstractSeries::SeriesTypeColorMap;
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}
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/*!
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Adds data part \a dataPart to the series.\n
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If \a copy is true, adds a copy of the data part instead.
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*/
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void QColorMapSeries::append(ColorMapDataPart* dataPart, bool copy)
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{
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Q_D(QColorMapSeries);
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if(copy)
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d->m_dataParts << new ColorMapDataPart(dataPart);
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else
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d->m_dataParts << dataPart;
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d->recomputeDataRange();
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emit dataPartAdded(d->m_dataParts.count() - 1);
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}
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/*!
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This is an overloaded function.\n
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Adds data parts \a dataParts to the series.\n
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If \a copy is true, adds a copy of the data part instead.
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*/
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void QColorMapSeries::append(const QList<ColorMapDataPart*> &dataParts, bool copy)
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{
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foreach (ColorMapDataPart* dataPart , dataParts)
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append(dataPart,copy);
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}
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/*!
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Returns number of data parts within series.
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*/
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int QColorMapSeries::count() const
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{
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Q_D(const QColorMapSeries);
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return d->m_dataParts.count();
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}
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/*!
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Stream operator for adding a data part \a point to the series.
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\sa append()
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*/
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QColorMapSeries &QColorMapSeries::operator <<(const ColorMapDataPart &dataPart)
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{
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append(new ColorMapDataPart(dataPart));
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return *this;
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}
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/*!
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Stream operator for adding a vector of data parts \a dataParts to the series.
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\sa append()
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*/
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QColorMapSeries &QColorMapSeries::operator <<(const QList<ColorMapDataPart*> &dataParts)
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{
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append(dataParts);
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return *this;
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}
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/*!
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Returns a ColorMapData part containing a uniform grid of data points to be mapped in a ColorMapChart.\n
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The rectangle of data returned is determined by \a width and \height,\n
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from the position \a xpos , \a ypos (starting at the top left corner of the plot area).\n
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When there are more points than pixels, \a strategy is applied to determine which to choose.
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*/
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QVector<double> *QColorMapSeries::getUniformGrid(int xpos, int ypos,int width, int height, QColorMapSeries::Strategy strategy)
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{
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Q_D(QColorMapSeries);
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return d->getUniformGrid(xpos, ypos,width,height, strategy);
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}
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//void QColorMapSeries::attachAxis(QAbstractAxis *axis)
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//{
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// axis = static_cast<QColorBarAxis*>();
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// if(axis)
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// {
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// }
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// else
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// {
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// QAbstractSeries::attachAxis(axis);
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// }
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//}
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/*!
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Sets \a pen used for drawing points on the chart. If the pen is not defined, the
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pen from chart theme is used.
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\sa QChart::setTheme()
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*/
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void QColorMapSeries::setPen(const QPen &pen)
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{
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Q_D(QColorMapSeries);
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if (d->m_pen != pen)
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{
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//bool emitColorChanged = d->m_pen.color() != pen.color();
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d->m_pen = pen;
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emit d->updated();
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// if (emitColorChanged)
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// emit colorChanged(pen.color());
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emit penChanged(pen);
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}
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}
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QPen QColorMapSeries::pen() const
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{
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Q_D(const QColorMapSeries);
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if (d->m_pen == QChartPrivate::defaultPen())
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return QPen();
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else
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return d->m_pen;
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}
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/*!
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Sets \a brush used for drawing points on the chart. If the brush is not defined, brush
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from chart theme setting is used.
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\sa QChart::setTheme()
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*/
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void QColorMapSeries::setBrush(const QBrush &brush)
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{
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Q_D(QColorMapSeries);
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if (d->m_brush != brush)
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{
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d->m_brush = brush;
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emit d->updated();
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}
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}
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QBrush QColorMapSeries::brush() const
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{
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Q_D(const QColorMapSeries);
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if (d->m_brush == QChartPrivate::defaultBrush())
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return QBrush();
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else
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return d->m_brush;
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}
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//void QColorMapSeries::setColor(const QColor &color)
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//{
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// QPen p = pen();
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// if (p.color() != color)
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// {
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// p.setColor(color);
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// setPen(p);
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// }
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//}
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//QColor QColorMapSeries::color() const
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//{
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// return pen().color();
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//}
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//void QColorMapSeries::setPointsVisible(bool visible)
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//{
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// Q_D(QColorMapSeries);
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// if (d->m_pointsVisible != visible)
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// {
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// d->m_pointsVisible = visible;
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// emit d->updated();
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// }
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//}
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//bool QColorMapSeries::pointsVisible() const
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//{
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// Q_D(const QColorMapSeries);
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// return d->m_pointsVisible;
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//}
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//void QColorMapSeries::setPointLabelsFormat(const QString &format)
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//{
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// Q_D(QColorMapSeries);
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// if (d->m_pointLabelsFormat != format)
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// {
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// d->m_pointLabelsFormat = format;
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// emit pointLabelsFormatChanged(format);
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// }
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//}
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//QString QColorMapSeries::pointLabelsFormat() const
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//{
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// Q_D(const QColorMapSeries);
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// return d->m_pointLabelsFormat;
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//}
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//void QColorMapSeries::setPointLabelsVisible(bool visible)
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//{
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// Q_D(QColorMapSeries);
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// if (d->m_pointLabelsVisible != visible)
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// {
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// d->m_pointLabelsVisible = visible;
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// emit pointLabelsVisibilityChanged(visible);
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// }
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//}
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//bool QColorMapSeries::pointLabelsVisible() const
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//{
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// Q_D(const QColorMapSeries);
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// return d->m_pointLabelsVisible;
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//}
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//void QColorMapSeries::setPointLabelsFont(const QFont &font)
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//{
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// Q_D(QColorMapSeries);
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// if (d->m_pointLabelsFont != font) {
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// d->m_pointLabelsFont = font;
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// emit pointLabelsFontChanged(font);
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// }
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//}
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//QFont QColorMapSeries::pointLabelsFont() const
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//{
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// Q_D(const QColorMapSeries);
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// return d->m_pointLabelsFont;
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//}
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//void QColorMapSeries::setPointLabelsColor(const QColor &color)
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//{
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// Q_D(QColorMapSeries);
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// if (d->m_pointLabelsColor != color) {
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// d->m_pointLabelsColor = color;
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// emit pointLabelsColorChanged(color);
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// }
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//}
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//QColor QColorMapSeries::pointLabelsColor() const
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//{
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// Q_D(const QColorMapSeries);
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// if (d->m_pointLabelsColor == QChartPrivate::defaultPen().color())
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// return QPen().color();
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// else
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// return d->m_pointLabelsColor;
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//}
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//void QColorMapSeries::setPointLabelsClipping(bool enabled)
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//{
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// Q_D(QColorMapSeries);
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// if (d->m_pointLabelsClipping != enabled) {
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// d->m_pointLabelsClipping = enabled;
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// emit pointLabelsClippingChanged(enabled);
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// }
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//}
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//bool QColorMapSeries::pointLabelsClipping() const
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//{
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// Q_D(const QColorMapSeries);
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// return d->m_pointLabelsClipping;
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//}
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/*!
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Returns the minimum value of the series on the X axis.
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*/
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double QColorMapSeries::minX()
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{
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Q_D(QColorMapSeries);
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return d->m_minX;
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}
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/*!
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Returns the minimum value of the series on the Y axis.
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*/
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double QColorMapSeries::minY()
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{
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Q_D(QColorMapSeries);
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return d->m_minY;
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}
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/*!
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Returns the minimum value of the series on the Z axis.
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*/
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double QColorMapSeries::minZ()
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{
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Q_D(QColorMapSeries);
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return d->m_minZ;
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}
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/*!
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Returns the maximum value of the series on the X axis.
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*/
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double QColorMapSeries::maxX()
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{
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Q_D(QColorMapSeries);
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return d->m_maxX;
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}
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/*!
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Returns the maximum value of the series on the Y axis.
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*/
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double QColorMapSeries::maxY()
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{
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Q_D(QColorMapSeries);
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return d->m_maxY;
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}
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/*!
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Returns the maximum value of the series on the Z axis.
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*/
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double QColorMapSeries::maxZ()
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{
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Q_D(QColorMapSeries);
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return d->m_maxZ;
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}
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//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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QColorMapSeriesPrivate::QColorMapSeriesPrivate(QColorMapSeries *q)
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: QAbstractSeriesPrivate(q),
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m_pen(QChartPrivate::defaultPen()),
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m_brush(QChartPrivate::defaultBrush()),
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m_pointsVisible(false),
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m_pointLabelsFormat(QLatin1String("@xPoint, @yPoint")), //TODO : change
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m_pointLabelsVisible(false),
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m_pointLabelsFont(QChartPrivate::defaultFont()),
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m_pointLabelsColor(QChartPrivate::defaultPen().color()),
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m_pointLabelsClipping(true)
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{
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}
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void QColorMapSeriesPrivate::initializeGraphics(QGraphicsItem* parent)
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{
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Q_Q(QColorMapSeries);
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ColorMapChart *colormap = new ColorMapChart(q,parent);
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m_item.reset(colormap);
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QAbstractSeriesPrivate::initializeGraphics(parent);
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}
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void QColorMapSeriesPrivate::initializeDomain()
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{
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domain()->setRange(m_minX, m_maxX, m_minY, m_maxY);
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}
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void QColorMapSeriesPrivate::initializeTheme(int index, ChartTheme* theme, bool forced)
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{
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// Q_Q(QColorMapSeries);
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// const QList<QGradient> gradients = theme->seriesGradients();
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// const QList<QColor> colors = theme->seriesColors();
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// if (forced || QChartPrivate::defaultPen() == m_pen) {
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// QPen pen;
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// pen.setColor(ChartThemeManager::colorAt(gradients.at(index % gradients.size()), 0.0));
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// pen.setWidthF(2);
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// q->setPen(pen);
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// }
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// if (forced || QChartPrivate::defaultBrush() == m_brush) {
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// QBrush brush(colors.at(index % colors.size()));
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// q->setBrush(brush);
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// }
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// if (forced || QChartPrivate::defaultPen().color() == m_pointLabelsColor) {
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// QColor color = theme->labelBrush().color();
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// q->setPointLabelsColor(color);
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// }
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}
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QList<QLegendMarker*> QColorMapSeriesPrivate::createLegendMarkers(QLegend* legend)
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{
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Q_Q(QColorMapSeries);
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QList<QLegendMarker*> list;
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return list << new QColorMapLegendMarker(q,legend);
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}
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void QColorMapSeriesPrivate::initializeAxes()
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{
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}
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QAbstractAxis::AxisType QColorMapSeriesPrivate::defaultAxisType(Qt::Orientation orientation) const
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{
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Q_UNUSED(orientation);
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return QAbstractAxis::AxisTypeValue;
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}
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QAbstractAxis* QColorMapSeriesPrivate::createDefaultAxis(Qt::Orientation orientation) const
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{
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Q_UNUSED(orientation);
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return new QValueAxis;
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}
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QVector<double> *QColorMapSeriesPrivate::getUniformGrid(int xpos, int ypos, int width, int height, QColorMapSeries::Strategy strategy)
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{
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QVector<double> *grid = new QVector<double>(width*height);
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double dx = (m_maxX - m_minX)/(double)width;
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double dy = (m_maxY - m_minY)/(double)height;
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int x=0;
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int y=0;
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QVector<Point3D> cluster;
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cluster.reserve(height*width/1000);
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for (auto cell= grid->begin();cell<grid->end();++cell)
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{
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cluster.resize(0);
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this->buildCluster(x,y,dx,dy,cluster);
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if(strategy == QColorMapSeries::LastPixel)
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*cell=this->clusterStrategyLast(cluster);
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else if(strategy == QColorMapSeries::MeanPixel)
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*cell=this->clusterStrategyMean(cluster);
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else if(strategy == QColorMapSeries::MedianPixel)
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*cell=this->clusterStrategyMedian(cluster);
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if(x<width-1)
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{
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x++;
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}
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else
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{
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x=0;
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y++;
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}
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}
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return grid;
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}
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/*!
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Recompute the data range on X, Y and Z axes each time a ColorMapDataPart is added to the series.\n
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The minimum distance between 2 adjacent values on X and Y axis is added to the maximum on X and Y respectively\n
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in order to take account of the width of the last element.
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*/
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void QColorMapSeriesPrivate::recomputeDataRange()
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{
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//TODO : if non empty
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m_minX = m_dataParts.first()->timesSeries().first();
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m_maxX = m_dataParts.last()->timesSeries().last();
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m_minY = m_dataParts.last()->ySeries().last();
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m_maxY = m_dataParts.last()->ySeries().first();
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m_minZ = m_dataParts.first()->dataSeries().first();
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m_maxZ = m_dataParts.last()->dataSeries().last();
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double minDeltaX=m_maxX-m_minX;
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double minDeltaY=m_minY-m_maxY;
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foreach(ColorMapDataPart* datapart, m_dataParts)
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{
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m_minY = qMin(datapart->ySeries().first(),m_minY);
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m_maxY = qMax(datapart->ySeries().last(),m_maxY);
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for(int i=1;i<datapart->timesSeries().size();i++)
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{
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double newDeltaX=datapart->timesSeries()[i]-datapart->timesSeries()[i-1];
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minDeltaX=qMin(minDeltaX,newDeltaX);
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}
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for(int i=1;i<datapart->ySeries().size();i++)
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{
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double newDeltaY=datapart->ySeries()[i]-datapart->ySeries()[i-1];
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minDeltaY=qMin(minDeltaY,newDeltaY);
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}
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for (int i = 0; i < datapart->dataSeries().count(); i++)
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{
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double z = datapart->dataSeries().at(i);
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m_minZ = qMin(m_minZ, z);
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m_maxZ = qMax(m_maxZ, z);
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}
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}
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m_maxX+=minDeltaX;
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m_maxY+=minDeltaY;
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}
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/*!
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Returns the last value (bottom right Z value) of a \a cluster of points passed as argument.
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*/
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double QColorMapSeriesPrivate::clusterStrategyLast(QVector<Point3D>& cluster)
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{
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if(!cluster.isEmpty())
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return cluster.last().value();
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return 0;
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}
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/*!
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Returns the mean value (mean Z value) of a \a cluster of points passed as argument.
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*/
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double QColorMapSeriesPrivate::clusterStrategyMean(QVector<Point3D>& cluster)
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{
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if(!cluster.isEmpty())
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{
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double sum=0;
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int count =0;
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for(int i =0;i<cluster.size();i++)
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{
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if(!isnan(Point3D(cluster.at(i)).value()))
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{
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|
sum+= Point3D(cluster.at(i)).value();
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count++;
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}
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}
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return (sum/count);
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}
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return 0;
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}
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/*!
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Returns the median value (median Z value) of a \a cluster of points passed as argument.
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|
*/
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double QColorMapSeriesPrivate::clusterStrategyMedian(QVector<Point3D>& cluster)
|
|
|
{
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|
if(!cluster.isEmpty())
|
|
|
{
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|
QVector<double> *copy = new QVector<double>();
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for(int i =0;i<cluster.size();i++)
|
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|
{
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|
if(!isnan(Point3D(cluster.at(i)).value()))
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|
copy->append(Point3D(cluster.at(i)).value());
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|
}
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|
|
if(!copy->isEmpty())
|
|
|
{
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|
std::sort(copy->begin(), copy->end());
|
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|
|
if(copy->count() & 1) // odd
|
|
|
{
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|
|
int middle = (copy->count()+1)/2;
|
|
|
return copy->at(middle-1);
|
|
|
}
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|
else //even
|
|
|
{
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|
|
int middle = copy->count()/2;
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|
|
return (copy->at(middle-1)+copy->at(middle))/2;
|
|
|
}
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|
}
|
|
|
}
|
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|
return 0;
|
|
|
}
|
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|
|
|
/*!
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|
|
Computes which data points correspond to the given position and returns the in a \a cluster.
|
|
|
*/
|
|
|
void QColorMapSeriesPrivate::buildCluster(int xpos, int ypos, double dx, double dy, QVector<Point3D>& cluster)
|
|
|
{
|
|
|
foreach(ColorMapDataPart *dataPart, m_dataParts)
|
|
|
{
|
|
|
QPair<int,int> xRange = dataPart->getRange(dataPart->timesSeries(),m_minX+xpos*dx,m_minX+(xpos+1)*dx);
|
|
|
QPair<int,int> yRange = dataPart->getRange(dataPart->ySeries(),m_maxY-(ypos+1)*dy,m_maxY-ypos*dy);
|
|
|
|
|
|
int timeSeriesSize = dataPart->timesSeries().size();
|
|
|
|
|
|
if(xRange.first != xRange.second && yRange.first != yRange.second)
|
|
|
{
|
|
|
for(int i =xRange.first+1;i<xRange.second;i++)
|
|
|
{
|
|
|
qreal xval=dataPart->timesSeries()[i];
|
|
|
for(int j=yRange.first+1;j<yRange.second;j++)
|
|
|
{
|
|
|
qreal yval=dataPart->ySeries()[j];
|
|
|
qreal val=dataPart->dataSeries()[ i + (timeSeriesSize * j)];
|
|
|
cluster.append(Point3D(xval,yval,val));
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
|
|
|
void QColorMapSeriesPrivate::initializeAnimations(QtCharts::QChart::AnimationOptions options,
|
|
|
int duration, QEasingCurve &curve)
|
|
|
{
|
|
|
// ColorMapChart *item = static_cast<ColorMapChart *>(m_item.data());
|
|
|
// Q_ASSERT(item);
|
|
|
// if (item->animation())
|
|
|
// item->animation()->stopAndDestroyLater();
|
|
|
|
|
|
// if (options.testFlag(QChart::SeriesAnimations))
|
|
|
// item->setAnimation(new XYAnimation(item, duration, curve));
|
|
|
// else
|
|
|
// item->setAnimation(0);
|
|
|
QAbstractSeriesPrivate::initializeAnimations(options, duration, curve);
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
#include "moc_qcolormapseries.cpp"
|
|
|
#include "moc_qcolormapseries_p.cpp"
|
|
|
|
|
|
QT_CHARTS_END_NAMESPACE
|
|
|
|
