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
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and The Qt Company. For licensing terms
14** and conditions see https://www.qt.io/terms-conditions. For further
15** information use the contact form at https://www.qt.io/contact-us.
16**
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
20** approved by the KDE Free Qt Foundation. The licenses are as published by
21** the Free Software Foundation and appearing in the file LICENSE.GPL3
22** included in the packaging of this file. Please review the following
23** information to ensure the GNU General Public License requirements will
24** be met: https://www.gnu.org/licenses/gpl-3.0.html.
25**
26** $QT_END_LICENSE$
27**
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
40QT_CHARTS_USE_NAMESPACE
41
42int 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(set: low);
59 series->append(set: 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(axis: axisX, alignment: Qt::AlignBottom);
78 QValueAxis *axisY = new QValueAxis();
79 axisY->setRange(min: -52, max: 52);
80 axisY->setTitleText("Temperature [&deg;C]");
81 chart->addAxis(axis: axisY, alignment: Qt::AlignLeft);
82 series->attachAxis(axis: axisX);
83 series->attachAxis(axis: 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(hint: QPainter::Antialiasing);
94//![6]
95
96//![7]
97 QMainWindow window;
98 window.setCentralWidget(chartView);
99 window.resize(w: 600, h: 300);
100 window.show();
101//![7]
102
103 return a.exec();
104}
105

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