main.cpp Example File

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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/QLineSeries>
  #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("Sam");

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

      QLineSeries *lineseries = new QLineSeries();
      lineseries->setName("trend");
      lineseries->append(QPoint(0, 4));
      lineseries->append(QPoint(1, 15));
      lineseries->append(QPoint(2, 20));
      lineseries->append(QPoint(3, 4));
      lineseries->append(QPoint(4, 12));
      lineseries->append(QPoint(5, 17));

      QChart *chart = new QChart();
      chart->addSeries(barseries);
      chart->addSeries(lineseries);
      chart->setTitle("Line and barchart example");

      QStringList categories;
      categories << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "Jun";
      QBarCategoryAxis *axisX = new QBarCategoryAxis();
      axisX->append(categories);
      chart->setAxisX(axisX, lineseries);
      chart->setAxisX(axisX, barseries);
      axisX->setRange(QString("Jan"), QString("Jun"));

      QValueAxis *axisY = new QValueAxis();
      chart->setAxisY(axisY, lineseries);
      chart->setAxisY(axisY, barseries);
      axisY->setRange(0, 20);

      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(440, 300);
      window.show();

      return a.exec();
  }