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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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QGraphicsItem(parent),
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m_scalex(100), // TODO: let the use define the scale (or autoscaled)
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m_scaley(100)
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{
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}
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void QScatterSeriesPrivate::resize(QRectF rect)
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{
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m_scenex.clear();
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m_sceney.clear();
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foreach(qreal x, m_x)
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m_scenex.append(rect.left() + x * (rect.width() / m_scalex));
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foreach(qreal y, m_y)
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m_sceney.append(rect.bottom() - y * (rect.height() / m_scaley));
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}
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// TODO:
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//void QScatterSeriesPrivate::setAxisScale(qreal xscale, qreal yscale)
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QRectF QScatterSeriesPrivate::boundingRect() const
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{
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return QRectF(0, 0, 55, 100);
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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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QPen pen = painter->pen();
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QBrush brush = pen.brush();
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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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pen.setBrush(brush);
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pen.setWidth(4);
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painter->setPen(pen);
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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> x, QList<qreal> y)
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{
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// TODO: validate data
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d->m_x = x;
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d->m_y = y;
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QGraphicsItem *parentItem = qobject_cast<QGraphicsItem *>(parent());
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Q_ASSERT(parentItem);
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d->resize(parentItem->boundingRect());
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return true;
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}
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void QScatterSeries::chartSizeChanged(QRectF rect)
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{
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// Recalculate scatter data point locations on the scene
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// d->transform().reset();
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// d->transform().translate();
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d->resize(rect);
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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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