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29#include <QtWidgets/QApplication>
30#include <QtWidgets/QMainWindow>
31#include <QtWidgets/QStatusBar>
32#include <QtCharts/QChartView>
33#include "donutbreakdownchart.h"
34
35QT_CHARTS_USE_NAMESPACE
36
37int main(int argc, char *argv[])
38{
39 QApplication a(argc, argv);
40
41 //![1]
42 // Graph is based on data of 'Total consumption of energy increased by 10 per cent in 2010'
43 // Statistics Finland, 13 December 2011
44 // http://www.stat.fi/til/ekul/2010/ekul_2010_2011-12-13_tie_001_en.html
45
46 QPieSeries *series1 = new QPieSeries();
47 series1->setName("Fossil fuels");
48 series1->append(label: "Oil", value: 353295);
49 series1->append(label: "Coal", value: 188500);
50 series1->append(label: "Natural gas", value: 148680);
51 series1->append(label: "Peat", value: 94545);
52
53 QPieSeries *series2 = new QPieSeries();
54 series2->setName("Renewables");
55 series2->append(label: "Wood fuels", value: 319663);
56 series2->append(label: "Hydro power", value: 45875);
57 series2->append(label: "Wind power", value: 1060);
58
59 QPieSeries *series3 = new QPieSeries();
60 series3->setName("Others");
61 series3->append(label: "Nuclear energy", value: 238789);
62 series3->append(label: "Import energy", value: 37802);
63 series3->append(label: "Other", value: 32441);
64 //![1]
65
66 //![2]
67 DonutBreakdownChart *donutBreakdown = new DonutBreakdownChart();
68 donutBreakdown->setAnimationOptions(QChart::AllAnimations);
69 donutBreakdown->setTitle("Total consumption of energy in Finland 2010");
70 donutBreakdown->legend()->setAlignment(Qt::AlignRight);
71 donutBreakdown->addBreakdownSeries(series: series1, color: Qt::red);
72 donutBreakdown->addBreakdownSeries(series: series2, color: Qt::darkGreen);
73 donutBreakdown->addBreakdownSeries(series: series3, color: Qt::darkBlue);
74 //![2]
75
76 //![3]
77 QMainWindow window;
78 QChartView *chartView = new QChartView(donutBreakdown);
79 chartView->setRenderHint(hint: QPainter::Antialiasing);
80 window.setCentralWidget(chartView);
81 window.resize(w: 800, h: 500);
82 window.show();
83 //![3]
84
85 return a.exec();
86}
87

source code of qtcharts/examples/charts/donutbreakdown/main.cpp