main.cpp Example File

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#include "chart.h" #include "chartview.h" #include <QtWidgets/QApplication> #include <QtWidgets/QMainWindow> #include <QtCore/QtMath> #include <QtCore/QRandomGenerator> #include <QtCharts/QLineSeries> #include <QtCharts/QValueAxis> QT_CHARTS_USE_NAMESPACE int main(int argc, char *argv[]) { QApplication a(argc, argv); QLineSeries *series = new QLineSeries(); for (int i = 0; i < 500; i++) { QPointF p((qreal) i, qSin(M_PI / 50 * i) * 100); p.ry() += QRandomGenerator::global()->bounded(20); *series << p; } Chart *chart = new Chart(); chart->addSeries(series); chart->setTitle("Zoom in/out example"); chart->setAnimationOptions(QChart::SeriesAnimations); chart->legend()->hide(); chart->createDefaultAxes(); ChartView *chartView = new ChartView(chart); chartView->setRenderHint(QPainter::Antialiasing); QMainWindow window; window.setCentralWidget(chartView); window.resize(400, 300); window.grabGesture(Qt::PanGesture); window.grabGesture(Qt::PinchGesture);; return a.exec(); }

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