// Copyright (C) 2016 The Qt Company Ltd. // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only #include #include #include #include #include #include #include #include #include QT_USE_NAMESPACE int main(int argc, char *argv[]) { QApplication a(argc, argv); //![1] 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; //![1] //![2] QBarSeries *barseries = new QBarSeries(); barseries->append(set0); barseries->append(set1); barseries->append(set2); barseries->append(set3); barseries->append(set4); //![2] //![8] 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)); //![8] //![3] QChart *chart = new QChart(); chart->addSeries(barseries); chart->addSeries(lineseries); chart->setTitle("Line and barchart example"); //![3] //![4] QStringList categories; categories << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "Jun"; QBarCategoryAxis *axisX = new QBarCategoryAxis(); axisX->append(categories); chart->addAxis(axisX, Qt::AlignBottom); lineseries->attachAxis(axisX); barseries->attachAxis(axisX); axisX->setRange(QString("Jan"), QString("Jun")); QValueAxis *axisY = new QValueAxis(); chart->addAxis(axisY, Qt::AlignLeft); lineseries->attachAxis(axisY); barseries->attachAxis(axisY); axisY->setRange(0, 20); //![4] //![5] chart->legend()->setVisible(true); chart->legend()->setAlignment(Qt::AlignBottom); //![5] //![6] QChartView *chartView = new QChartView(chart); chartView->setRenderHint(QPainter::Antialiasing); //![6] //![7] QMainWindow window; window.setCentralWidget(chartView); window.resize(440, 300); window.show(); //![7] return a.exec(); }