main.cpp Example File
zoomlinechart/main.cpp
#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);
window.show();
return a.exec();
}