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Add linechart example documentation
Michal Klocek -
r370:bc80f35ea7b8
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1 1 /*!
2 2 \example example/linechart
3 3 \title LineChart Example
4 4 \subtitle
5 5
6 6 The example shows how to create simple line chart.
7 7
8 ...
8 \image linechart.png
9
10 To create line charts, QLineSeries instance is needed. Here we create two line series and we set the color and width of line.
11
12 \snippet ../example/linechart/main.cpp 1
13
14 We add data to be shown to both series.
15
16 \snippet ../example/linechart/main.cpp 2
17
18 In the end we create QChartView instance, set title, set anti-aliasing and add both series.
19
20 \snippet ../example/linechart/main.cpp 3
21
22 Chart is ready to be shown.
23
24 \snippet ../example/linechart/main.cpp 4
25
9 26 */ No newline at end of file
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@@ -1,56 +1,57
1 1 #include <QApplication>
2 2 #include <QMainWindow>
3 3 #include <qchartview.h>
4 4 #include <qlineseries.h>
5 5 #include <qchart.h>
6 6 #include <cmath>
7 7
8 8 QTCOMMERCIALCHART_USE_NAMESPACE
9 9
10 10 int main(int argc, char *argv[])
11 11 {
12 12 QApplication a(argc, argv);
13 13
14 QMainWindow window;
15
16 14 //![1]
17 15
18 16 QLineSeries* series0 = new QLineSeries();
19 17 QPen blue(Qt::blue);
20 18 blue.setWidth(3);
21 19 series0->setPen(blue);
22 20
23 21 QLineSeries* series1 = new QLineSeries();
24 22 QPen red(Qt::red);
25 23 red.setWidth(3);
26 24 series1->setPen(red);
27 25 //![1]
28 26
29 27 //![2]
30 28 series0->add(0, 6);
31 29 series0->add(2, 4);
32 30 series0->add(3, 8);
33 31 series0->add(7, 4);
34 32 series0->add(10,5);
35 33
36 34 series1->add(1, 1);
37 35 series1->add(3, 3);
38 36 series1->add(7, 6);
39 37 series1->add(8, 3);
40 38 series1->add(10,2);
41 39 //![2]
42 40 //![3]
41 QMainWindow window;
43 42 QChartView* chartView = new QChartView(&window);
44 43
45 chartView->setRenderHint(QPainter::Antialiasing);
46 44 chartView->setChartTitle("Basic line chart example");
45 chartView->setRenderHint(QPainter::Antialiasing);
46
47 47 chartView->addSeries(series0);
48 48 chartView->addSeries(series1);
49 49 //![3]
50
50 //![4]
51 51 window.setCentralWidget(chartView);
52 52 window.resize(400, 300);
53 53 window.show();
54 //![4]
54 55
55 56 return a.exec();
56 57 }
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