main.cpp Example File
donutchart/main.cpp
#include <QtWidgets/QApplication>
#include <QtWidgets/QMainWindow>
#include <QtCharts/QChartView>
#include <QtCharts/QPieSeries>
#include <QtCharts/QPieSlice>
#include <QtCore/QDebug>
QT_CHARTS_USE_NAMESPACE
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
QPieSeries *series = new QPieSeries();
series->setHoleSize(0.35);
series->append("Protein 4.2%", 4.2);
QPieSlice *slice = series->append("Fat 15.6%", 15.6);
slice->setExploded();
slice->setLabelVisible();
series->append("Other 23.8%", 23.8);
series->append("Carbs 56.4%", 56.4);
QChartView *chartView = new QChartView();
chartView->setRenderHint(QPainter::Antialiasing);
chartView->chart()->setTitle("Donut with a lemon glaze (100g)");
chartView->chart()->addSeries(series);
chartView->chart()->legend()->setAlignment(Qt::AlignBottom);
chartView->chart()->setTheme(QChart::ChartThemeBlueCerulean);
chartView->chart()->legend()->setFont(QFont("Arial", 7));
QMainWindow window;
window.setCentralWidget(chartView);
window.resize(400, 300);
window.show();
return a.exec();
}