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#include "qscatterseries.h"
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#include "qscatterseries_p.h"
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#include "qchart.h"
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#include <QPainter>
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#include <QGraphicsScene>
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#include <QDebug>
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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//#define QSeriesData QList<qreal>
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QScatterSeriesPrivate::QScatterSeriesPrivate(QGraphicsItem *parent) :
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ChartItem(parent),
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m_boundingRect(),
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m_markerColor(QColor()),
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m_visibleChartArea()
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{
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if (parent)
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m_boundingRect = parent->boundingRect();
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}
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void QScatterSeriesPrivate::changeGeometry()
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{
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if (m_boundingRect.isValid()) {
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prepareGeometryChange();
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qreal scalex = m_boundingRect.width() / m_visibleChartArea.spanX();
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qreal scaley = m_boundingRect.height() / m_visibleChartArea.spanY();
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m_scenex.clear();
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m_sceney.clear();
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// Convert relative coordinates to absolute pixel coordinates that can be used for drawing
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foreach(qreal x, m_x)
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m_scenex.append(m_boundingRect.left() + x * scalex - m_visibleChartArea.m_minX * scalex);
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foreach(qreal y, m_y)
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m_sceney.append(m_boundingRect.bottom() - y * scaley + m_visibleChartArea.m_minY * scaley);
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}
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}
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void QScatterSeriesPrivate::setSize(const QSizeF &size)
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{
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// m_boundingRect = QRectF(pos().x(), pos().y(), size.width(), size.height());
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m_boundingRect = QRectF(0, 0, size.width(), size.height());
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changeGeometry();
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}
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void QScatterSeriesPrivate::themeChanged(ChartTheme *theme)
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{
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m_theme = theme->themeForSeries();
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}
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void QScatterSeriesPrivate::setPlotDomain(const PlotDomain& plotDomain)
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{
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m_visibleChartArea = plotDomain;
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changeGeometry();
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}
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QRectF QScatterSeriesPrivate::boundingRect() const
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{
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return m_boundingRect;
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}
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void QScatterSeriesPrivate::paint(QPainter *painter, const QStyleOptionGraphicsItem */*option*/, QWidget */*widget*/)
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{
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// TODO: The opacity should be user definable?
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//brush.setColor(QColor(255, 82, 0, 100));
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if (m_markerColor.isValid()) {
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QPen pen = painter->pen();
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QBrush brush = pen.brush();
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brush.setColor(m_markerColor);
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pen.setBrush(brush);
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pen.setWidth(4);
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painter->setPen(pen);
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}
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else
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painter->setPen(m_theme.markerPen);
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// brush.setColor(m_theme..lineColor);
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// TODO: m_scenex and m_sceny are left empty during construction -> we would need a resize
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// event right after construction or maybe given a size during initialization
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for (int i(0); i < m_scenex.count() && i < m_sceney.count(); i++) {
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if (scene()->width() > m_scenex.at(i) && scene()->height() > m_sceney.at(i))
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//painter->drawArc(m_scenex.at(i), m_sceney.at(i), 2, 2, 0, 5760);
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painter->drawPoint(m_scenex.at(i), m_sceney.at(i));
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}
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}
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QScatterSeries::QScatterSeries(QObject *parent) :
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QChartSeries(parent),
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d(new QScatterSeriesPrivate(qobject_cast<QGraphicsItem *> (parent)))
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{
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}
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bool QScatterSeries::setData(QList<qreal> xlist, QList<qreal> ylist)
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{
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// TODO: validate data
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d->m_x = xlist;
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d->m_y = ylist;
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// TODO: the following updates the visible chart area setting of the series, we would instead
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// need to update the _chart's_ visible area... this would require a callback or
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// similar to the parenting QChart object...
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foreach (qreal x, d->m_x) {
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d->m_visibleChartArea.m_minX = qMin(d->m_visibleChartArea.m_minX, x);
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d->m_visibleChartArea.m_maxX = qMax(d->m_visibleChartArea.m_maxX, x);
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}
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foreach (qreal y, d->m_y) {
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d->m_visibleChartArea.m_minY = qMin(d->m_visibleChartArea.m_minY, y);
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d->m_visibleChartArea.m_maxY = qMax(d->m_visibleChartArea.m_maxY, y);
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}
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d->changeGeometry();
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return true;
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}
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void QScatterSeries::setMarkerColor(QColor color)
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{
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d->m_markerColor = color;
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}
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QColor QScatterSeries::markerColor()
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{
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return d->m_markerColor;
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}
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// TODO:
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//void QScatterSeries::chartScaleChanged(qreal xscale, qreal yscale)
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//{
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// d->rescale(xscale, yscale);
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//}
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QScatterSeries::~QScatterSeries()
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{
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delete d;
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}
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#include "moc_qscatterseries.cpp"
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QTCOMMERCIALCHART_END_NAMESPACE
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