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main.cpp Example File

boxplotchart/main.cpp
/****************************************************************************
**
** 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
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** 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/QBoxPlotSeries>
#include <QtCharts/QBoxSet>
#include <QtCharts/QLegend>
#include <QtCharts/QBarCategoryAxis>
#include <QtCore/QFile>

#include "boxdatareader.h"

QT_CHARTS_USE_NAMESPACE

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

    QBoxPlotSeries *acmeSeries = new QBoxPlotSeries();
    acmeSeries->setName("Acme Ltd");

    QBoxPlotSeries *boxWhiskSeries = new QBoxPlotSeries();
    boxWhiskSeries->setName("BoxWhisk Inc");

    QFile acmeData(":acme");
    if (!acmeData.open(QIODevice::ReadOnly | QIODevice::Text))
        return 1;

    BoxDataReader dataReader(&acmeData);
    while (!dataReader.atEnd()) {
        QBoxSet *set = dataReader.readBox();
        if (set)
            acmeSeries->append(set);
    }

    QFile boxwhiskData(":boxwhisk");
    if (!boxwhiskData.open(QIODevice::ReadOnly | QIODevice::Text))
        return 1;

    dataReader.readFile(&boxwhiskData);
    while (!dataReader.atEnd()) {
        QBoxSet *set = dataReader.readBox();
        if (set)
            boxWhiskSeries->append(set);
    }

    QChart *chart = new QChart();
    chart->addSeries(acmeSeries);
    chart->addSeries(boxWhiskSeries);
    chart->setTitle("Acme Ltd and BoxWhisk Inc share deviation in 2012");
    chart->setAnimationOptions(QChart::SeriesAnimations);

    chart->createDefaultAxes();
    chart->axisY()->setMin(15.0);
    chart->axisY()->setMax(34.0);

    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(800, 600);
    window.show();

    return a.exec();
}
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