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3** Copyright (C) 2016 The Qt Company Ltd.
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29
30#include <QtWidgets/QApplication>
31#include <QtWidgets/QMainWindow>
32#include <QtCharts/QChartView>
33#include <QtCharts/QLineSeries>
34#include <QtCharts/QAreaSeries>
35
36QT_CHARTS_USE_NAMESPACE
37
38int main(int argc, char *argv[])
39{
40 QApplication a(argc, argv);
41
42//![1]
43 QLineSeries *series0 = new QLineSeries();
44 QLineSeries *series1 = new QLineSeries();
45//![1]
46
47//![2]
48 *series0 << QPointF(1, 5) << QPointF(3, 7) << QPointF(7, 6) << QPointF(9, 7) << QPointF(12, 6)
49 << QPointF(16, 7) << QPointF(18, 5);
50 *series1 << QPointF(1, 3) << QPointF(3, 4) << QPointF(7, 3) << QPointF(8, 2) << QPointF(12, 3)
51 << QPointF(16, 4) << QPointF(18, 3);
52//![2]
53
54//![3]
55 QAreaSeries *series = new QAreaSeries(series0, series1);
56 series->setName("Batman");
57 QPen pen(0x059605);
58 pen.setWidth(3);
59 series->setPen(pen);
60
61 QLinearGradient gradient(QPointF(0, 0), QPointF(0, 1));
62 gradient.setColorAt(pos: 0.0, color: 0x3cc63c);
63 gradient.setColorAt(pos: 1.0, color: 0x26f626);
64 gradient.setCoordinateMode(QGradient::ObjectBoundingMode);
65 series->setBrush(gradient);
66//![3]
67
68//![4]
69 QChart *chart = new QChart();
70 chart->addSeries(series);
71 chart->setTitle("Simple areachart example");
72 chart->createDefaultAxes();
73 chart->axes(orientation: Qt::Horizontal).first()->setRange(min: 0, max: 20);
74 chart->axes(orientation: Qt::Vertical).first()->setRange(min: 0, max: 10);
75//![4]
76
77//![5]
78 QChartView *chartView = new QChartView(chart);
79 chartView->setRenderHint(hint: QPainter::Antialiasing);
80//![5]
81
82//![6]
83 QMainWindow window;
84 window.setCentralWidget(chartView);
85 window.resize(w: 400, h: 300);
86 window.show();
87//![6]
88
89 return a.exec();
90}
91

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