main.cpp
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| 3.2 KiB
| text/x-c
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CppLexer
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r0 | /**************************************************************************** | ||
** | ||||
** 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. | ||||
** | ||||
** $QT_END_LICENSE$ | ||||
** | ||||
****************************************************************************/ | ||||
#include <QtWidgets/QApplication> | ||||
#include <QtWidgets/QMainWindow> | ||||
#include <QtWidgets/QStatusBar> | ||||
#include <QtCharts/QChartView> | ||||
#include "donutbreakdownchart.h" | ||||
QT_CHARTS_USE_NAMESPACE | ||||
int main(int argc, char *argv[]) | ||||
{ | ||||
QApplication a(argc, argv); | ||||
//![1] | ||||
// Graph is based on data of 'Total consumption of energy increased by 10 per cent in 2010' | ||||
// Statistics Finland, 13 December 2011 | ||||
// http://www.stat.fi/til/ekul/2010/ekul_2010_2011-12-13_tie_001_en.html | ||||
QPieSeries *series1 = new QPieSeries(); | ||||
series1->setName("Fossil fuels"); | ||||
series1->append("Oil", 353295); | ||||
series1->append("Coal", 188500); | ||||
series1->append("Natural gas", 148680); | ||||
series1->append("Peat", 94545); | ||||
QPieSeries *series2 = new QPieSeries(); | ||||
series2->setName("Renewables"); | ||||
series2->append("Wood fuels", 319663); | ||||
series2->append("Hydro power", 45875); | ||||
series2->append("Wind power", 1060); | ||||
QPieSeries *series3 = new QPieSeries(); | ||||
series3->setName("Others"); | ||||
series3->append("Nuclear energy", 238789); | ||||
series3->append("Import energy", 37802); | ||||
series3->append("Other", 32441); | ||||
//![1] | ||||
//![2] | ||||
DonutBreakdownChart *donutBreakdown = new DonutBreakdownChart(); | ||||
donutBreakdown->setAnimationOptions(QChart::AllAnimations); | ||||
donutBreakdown->setTitle("Total consumption of energy in Finland 2010"); | ||||
donutBreakdown->legend()->setAlignment(Qt::AlignRight); | ||||
donutBreakdown->addBreakdownSeries(series1, Qt::red); | ||||
donutBreakdown->addBreakdownSeries(series2, Qt::darkGreen); | ||||
donutBreakdown->addBreakdownSeries(series3, Qt::darkBlue); | ||||
//![2] | ||||
//![3] | ||||
QMainWindow window; | ||||
QChartView *chartView = new QChartView(donutBreakdown); | ||||
chartView->setRenderHint(QPainter::Antialiasing); | ||||
window.setCentralWidget(chartView); | ||||
window.resize(800, 500); | ||||
window.show(); | ||||
//![3] | ||||
return a.exec(); | ||||
} | ||||