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3** Copyright (C) 2016 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
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6** This file is part of the Qt Charts module of the Qt Toolkit.
7**
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29
30#include <QtWidgets/QApplication>
31#include <QtWidgets/QMainWindow>
32#include <QtCharts/QChartView>
33#include <QtCharts/QBarSeries>
34#include <QtCharts/QBarSet>
35#include <QtCharts/QLineSeries>
36#include <QtCharts/QLegend>
37#include <QtCharts/QBarCategoryAxis>
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 *set0 = new QBarSet("Jane");
48 QBarSet *set1 = new QBarSet("John");
49 QBarSet *set2 = new QBarSet("Axel");
50 QBarSet *set3 = new QBarSet("Mary");
51 QBarSet *set4 = new QBarSet("Sam");
52
53 *set0 << 1 << 2 << 3 << 4 << 5 << 6;
54 *set1 << 5 << 0 << 0 << 4 << 0 << 7;
55 *set2 << 3 << 5 << 8 << 13 << 8 << 5;
56 *set3 << 5 << 6 << 7 << 3 << 4 << 5;
57 *set4 << 9 << 7 << 5 << 3 << 1 << 2;
58//![1]
59
60//![2]
61 QBarSeries *barseries = new QBarSeries();
62 barseries->append(set: set0);
63 barseries->append(set: set1);
64 barseries->append(set: set2);
65 barseries->append(set: set3);
66 barseries->append(set: set4);
67//![2]
68
69//![8]
70 QLineSeries *lineseries = new QLineSeries();
71 lineseries->setName("trend");
72 lineseries->append(point: QPoint(0, 4));
73 lineseries->append(point: QPoint(1, 15));
74 lineseries->append(point: QPoint(2, 20));
75 lineseries->append(point: QPoint(3, 4));
76 lineseries->append(point: QPoint(4, 12));
77 lineseries->append(point: QPoint(5, 17));
78//![8]
79
80//![3]
81 QChart *chart = new QChart();
82 chart->addSeries(series: barseries);
83 chart->addSeries(series: lineseries);
84 chart->setTitle("Line and barchart example");
85//![3]
86
87//![4]
88 QStringList categories;
89 categories << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "Jun";
90 QBarCategoryAxis *axisX = new QBarCategoryAxis();
91 axisX->append(categories);
92 chart->addAxis(axis: axisX, alignment: Qt::AlignBottom);
93 lineseries->attachAxis(axis: axisX);
94 barseries->attachAxis(axis: axisX);
95 axisX->setRange(minCategory: QString("Jan"), maxCategory: QString("Jun"));
96
97 QValueAxis *axisY = new QValueAxis();
98 chart->addAxis(axis: axisY, alignment: Qt::AlignLeft);
99 lineseries->attachAxis(axis: axisY);
100 barseries->attachAxis(axis: axisY);
101 axisY->setRange(min: 0, max: 20);
102//![4]
103
104//![5]
105 chart->legend()->setVisible(true);
106 chart->legend()->setAlignment(Qt::AlignBottom);
107//![5]
108
109//![6]
110 QChartView *chartView = new QChartView(chart);
111 chartView->setRenderHint(hint: QPainter::Antialiasing);
112//![6]
113
114//![7]
115 QMainWindow window;
116 window.setCentralWidget(chartView);
117 window.resize(w: 440, h: 300);
118 window.show();
119//![7]
120
121 return a.exec();
122}
123

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