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main.cpp Example File

** 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.
** 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.

#include <QtWidgets/QApplication>
#include <QtWidgets/QMainWindow>
#include <QtCharts/QChartView>
#include <QtCharts/QPieSeries>
#include <QtCharts/QPieSlice>
#include <QtCore/QDebug>

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

    QPieSeries *series = new QPieSeries();
    series->append("Protein 4.2%", 4.2);
    QPieSlice *slice = series->append("Fat 15.6%", 15.6);
    series->append("Other 23.8%", 23.8);
    series->append("Carbs 56.4%", 56.4);

    QChartView *chartView = new QChartView();
    chartView->chart()->setTitle("Donut with a lemon glaze (100g)");
    chartView->chart()->legend()->setFont(QFont("Arial", 7));

    QMainWindow window;
    window.resize(400, 300);

    return a.exec();
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