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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.
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29
30#include <QtWidgets/QApplication>
31#include <QtWidgets/QMainWindow>
32#include <QtCharts/QChartView>
33#include <QtCharts/QSplineSeries>
34
35QT_CHARTS_USE_NAMESPACE
36
37int main(int argc, char *argv[])
38{
39 QApplication a(argc, argv);
40
41 //![1]
42 QSplineSeries *series = new QSplineSeries();
43 series->setName("spline");
44 //![1]
45
46 //![2]
47 series->append(x: 0, y: 6);
48 series->append(x: 2, y: 4);
49 series->append(x: 3, y: 8);
50 series->append(x: 7, y: 4);
51 series->append(x: 10, y: 5);
52 *series << QPointF(11, 1) << QPointF(13, 3) << QPointF(17, 6) << QPointF(18, 3) << QPointF(20, 2);
53 //![2]
54
55 //![3]
56 QChart *chart = new QChart();
57 chart->legend()->hide();
58 chart->addSeries(series);
59 chart->setTitle("Simple spline chart example");
60 chart->createDefaultAxes();
61 chart->axes(orientation: Qt::Vertical).first()->setRange(min: 0, max: 10);
62 //![3]
63
64 //![4]
65 QChartView *chartView = new QChartView(chart);
66 chartView->setRenderHint(hint: QPainter::Antialiasing);
67 //![4]
68
69 //![5]
70 QMainWindow window;
71 window.setCentralWidget(chartView);
72 window.resize(w: 400, h: 300);
73 window.show();
74 //![5]
75
76 return a.exec();
77}
78

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