mirror of https://github.com/qt/qtcharts.git
50 lines
1.1 KiB
C++
50 lines
1.1 KiB
C++
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#include <QtGui/QApplication>
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#include <QMainWindow>
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#include <qchartglobal.h>
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#include <qchartview.h>
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#include <qscatterseries.h>
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QTCOMMERCIALCHART_USE_NAMESPACE
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int main(int argc, char *argv[])
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{
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QApplication a(argc, argv);
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//! [1]
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QScatterSeries *scatter = new QScatterSeries();
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QBrush brush(Qt::red);
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QPen pen(Qt::black);
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pen.setWidth(2);
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scatter->setPen(pen);
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scatter->setBrush(brush);
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scatter->setShape(QScatterSeries::MarkerShapeCircle);
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scatter->setSize(15.0);
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//! [1]
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//! [2]
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for (qreal i(0.0); i < 20; i += 0.5) {
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qreal x = i + (qreal) (rand() % 100) / 100.0;
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qreal y = i + (qreal) (rand() % 100) / 100.0;
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scatter->add(x, y);
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}
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*scatter << QPointF(2.0, 5.5) << QPointF(2.2, 5.4);
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//! [2]
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//! [3]
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QMainWindow window;
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QChartView *chartView = new QChartView(&window);
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chartView->setRenderHint(QPainter::Antialiasing);
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chartView->setChartTitle("Basic scatter chart example");
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chartView->addSeries(scatter);
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//! [3]
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//! [4]
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window.setCentralWidget(chartView);
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window.resize(400, 300);
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window.show();
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//! [4]
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return a.exec();
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}
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