1 /****************************************************************************
2 **
3 ** Copyright (C) 2016 The Qt Company Ltd.
4 ** Contact: https://www.qt.io/licensing/
5 **
6 ** This file is part of the Qt Charts module of the Qt Toolkit.
7 **
8 ** $QT_BEGIN_LICENSE:GPL$
9 ** Commercial License Usage
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17 ** GNU General Public License Usage
18 ** Alternatively, this file may be used under the terms of the GNU
19 ** General Public License version 3 or (at your option) any later version
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21 ** the Free Software Foundation and appearing in the file LICENSE.GPL3
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28 ****************************************************************************/
29
30 #include <QtWidgets/QApplication>
31 #include <QtWidgets/QMainWindow>
32 #include <QtCharts/QChartView>
33 #include <QtCharts/QBarSeries>
34 #include <QtCharts/QBarSet>
35 #include <QtCharts/QLegend>
36 #include <QtCharts/QBarCategoryAxis>
37 #include <QtCharts/QStackedBarSeries>
38 #include <QtCharts/QValueAxis>
39
40 QT_CHARTS_USE_NAMESPACE
41
main(int argc,char * argv[])42 int main(int argc, char *argv[])
43 {
44 QApplication a(argc, argv);
45
46 //![1]
47 QBarSet *low = new QBarSet("Min");
48 QBarSet *high = new QBarSet("Max");
49
50 *low << -52 << -50 << -45.3 << -37.0 << -25.6 << -8.0
51 << -6.0 << -11.8 << -19.7 << -32.8 << -43.0 << -48.0;
52 *high << 11.9 << 12.8 << 18.5 << 26.5 << 32.0 << 34.8
53 << 38.2 << 34.8 << 29.8 << 20.4 << 15.1 << 11.8;
54 //![1]
55
56 //![2]
57 QStackedBarSeries *series = new QStackedBarSeries();
58 series->append(low);
59 series->append(high);
60 //![2]
61
62 //![3]
63 QChart *chart = new QChart();
64 chart->addSeries(series);
65 chart->setTitle("Temperature records in celcius");
66 chart->setAnimationOptions(QChart::SeriesAnimations);
67 //![3]
68
69 //![4]
70 QStringList categories = {
71 "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
72 };
73
74 QBarCategoryAxis *axisX = new QBarCategoryAxis();
75 axisX->append(categories);
76 axisX->setTitleText("Month");
77 chart->addAxis(axisX, Qt::AlignBottom);
78 QValueAxis *axisY = new QValueAxis();
79 axisY->setRange(-52, 52);
80 axisY->setTitleText("Temperature [°C]");
81 chart->addAxis(axisY, Qt::AlignLeft);
82 series->attachAxis(axisX);
83 series->attachAxis(axisY);
84 //![4]
85
86 //![5]
87 chart->legend()->setVisible(true);
88 chart->legend()->setAlignment(Qt::AlignBottom);
89 //![5]
90
91 //![6]
92 QChartView *chartView = new QChartView(chart);
93 chartView->setRenderHint(QPainter::Antialiasing);
94 //![6]
95
96 //![7]
97 QMainWindow window;
98 window.setCentralWidget(chartView);
99 window.resize(600, 300);
100 window.show();
101 //![7]
102
103 return a.exec();
104 }
105