main.cpp Example File

linechart/main.cpp

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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/QLineSeries>

  QT_CHARTS_USE_NAMESPACE

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

      QLineSeries *series = new QLineSeries();

      series->append(0, 6);
      series->append(2, 4);
      series->append(3, 8);
      series->append(7, 4);
      series->append(10, 5);
      *series << QPointF(11, 1) << QPointF(13, 3) << QPointF(17, 6) << QPointF(18, 3) << QPointF(20, 2);

      QChart *chart = new QChart();
      chart->legend()->hide();
      chart->addSeries(series);
      chart->createDefaultAxes();
      chart->setTitle("Simple line chart example");

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

      QMainWindow window;
      window.setCentralWidget(chartView);
      window.resize(400, 300);
      window.show();

      return a.exec();
  }