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