main.cpp Example File

barchart/main.cpp
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 ** Contact: https://www.qt.io/licensing/
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 ** This file is part of the Qt Charts module of the Qt Toolkit.
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 #include <QtWidgets/QApplication>
 #include <QtWidgets/QMainWindow>
 #include <QtCharts/QChartView>
 #include <QtCharts/QBarSeries>
 #include <QtCharts/QBarSet>
 #include <QtCharts/QLegend>
 #include <QtCharts/QBarCategoryAxis>
 #include <QtCharts/QValueAxis>

 QT_CHARTS_USE_NAMESPACE

 int main(int argc, char *argv[])
 {
     QApplication a(argc, argv);

     QBarSet *set0 = new QBarSet("Jane");
     QBarSet *set1 = new QBarSet("John");
     QBarSet *set2 = new QBarSet("Axel");
     QBarSet *set3 = new QBarSet("Mary");
     QBarSet *set4 = new QBarSet("Samantha");

     *set0 << 1 << 2 << 3 << 4 << 5 << 6;
     *set1 << 5 << 0 << 0 << 4 << 0 << 7;
     *set2 << 3 << 5 << 8 << 13 << 8 << 5;
     *set3 << 5 << 6 << 7 << 3 << 4 << 5;
     *set4 << 9 << 7 << 5 << 3 << 1 << 2;

     QBarSeries *series = new QBarSeries();
     series->append(set0);
     series->append(set1);
     series->append(set2);
     series->append(set3);
     series->append(set4);


     QChart *chart = new QChart();
     chart->addSeries(series);
     chart->setTitle("Simple barchart example");
     chart->setAnimationOptions(QChart::SeriesAnimations);

     QStringList categories;
     categories << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "Jun";
     QBarCategoryAxis *axisX = new QBarCategoryAxis();
     axisX->append(categories);
     chart->addAxis(axisX, Qt::AlignBottom);
     series->attachAxis(axisX);

     QValueAxis *axisY = new QValueAxis();
     axisY->setRange(0,15);
     chart->addAxis(axisY, Qt::AlignLeft);
     series->attachAxis(axisY);

     chart->legend()->setVisible(true);
     chart->legend()->setAlignment(Qt::AlignBottom);

     QChartView *chartView = new QChartView(chart);
     chartView->setRenderHint(QPainter::Antialiasing);

     QMainWindow window;
     window.setCentralWidget(chartView);
     window.resize(420, 300);
     window.show();

     return a.exec();
 }