/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Charts module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
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** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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** $QT_END_LICENSE$
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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/QStackedBarSeries>
#include <QtCharts/QValueAxis>

QT_USE_NAMESPACE

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

//![1]
    QBarSet *low = new QBarSet("Min");
    QBarSet *high = new QBarSet("Max");

    *low << -52 << -50 << -45.3 << -37.0 << -25.6 << -8.0
         << -6.0 << -11.8 << -19.7 << -32.8 << -43.0 << -48.0;
    *high << 11.9 << 12.8 << 18.5 << 26.5 << 32.0 << 34.8
          << 38.2 << 34.8 << 29.8 << 20.4 << 15.1 << 11.8;
//![1]

//![2]
    QStackedBarSeries *series = new QStackedBarSeries();
    series->append(low);
    series->append(high);
//![2]

//![3]
    QChart *chart = new QChart();
    chart->addSeries(series);
    chart->setTitle("Temperature records in celcius");
    chart->setAnimationOptions(QChart::SeriesAnimations);
//![3]

//![4]
    QStringList categories = {
        "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
    };

    QBarCategoryAxis *axisX = new QBarCategoryAxis();
    axisX->append(categories);
    axisX->setTitleText("Month");
    chart->addAxis(axisX, Qt::AlignBottom);
    QValueAxis *axisY = new QValueAxis();
    axisY->setRange(-52, 52);
    axisY->setTitleText("Temperature [&deg;C]");
    chart->addAxis(axisY, Qt::AlignLeft);
    series->attachAxis(axisX);
    series->attachAxis(axisY);
//![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(600, 300);
    window.show();
//![7]

    return a.exec();
}
