#include #include #include #include #include #include #include #include #include #include QTCOMMERCIALCHART_USE_NAMESPACE int main(int argc, char *argv[]) { QApplication a(argc, argv); //! [1] // Create chart view QChartView *chartView = new QChartView(); chartView->setRenderHint(QPainter::Antialiasing); chartView->setChartTitle("Simple Line Chart"); // Add series to the chart QLineSeries *line = new QLineSeries(); line->add(0.0, 0.8); line->add(1.1, 1.1); line->add(2.0, 2.5); chartView->addSeries(line); //! [1] chartView->setChartTitle("\'Scietific\' theme"); //! [2] // Change theme chartView->setChartTheme(QChart::ChartThemeScientific); //! [2] chartView->setChartTitle("Simple Pie Chart"); //! [3] // Add pie series // ... QPieSeries *pie = new QPieSeries(); pie->add(3.4, "slice1"); pie->add(6.7, "slice2"); chartView->addSeries(pie); //! [3] chartView->setChartTitle("Simple Scatter Chart"); //! [4] // Add scatter series // ... QScatterSeries *scatter = new QScatterSeries(); for (qreal x(0); x < 100; x += 0.5) { qreal y = rand() % 100; *(scatter) << QPointF(x, y); } chartView->addSeries(scatter); //! [4] chartView->setChartTitle("Simple Bar Chart"); //! [5] // ... // Add bar series QBarCategory *barCategory = new QBarCategory(); *barCategory << "Jan" << "Feb" << "Mar"; QBarSeries *bar = new QBarSeries(barCategory); QBarSet *barSet = new QBarSet("Sales"); *barSet << 123.2 << 301.3 << 285.8; bar->addBarSet(barSet); chartView->addSeries(bar); //! [5] QMainWindow w; w.resize(400, 300); w.setCentralWidget(chartView); w.setWindowFlags(Qt::FramelessWindowHint); w.show(); return a.exec(); }