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Update line and spline chart examples
Marek Rosa -
r902:a116b3f97280
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1 /*!
1 /*!
2 \example examples/splinechart
2 \example examples/splinechart
3 \title SplineChart Example
3 \title SplineChart Example
4 \subtitle
4 \subtitle
5
5
6 The example shows how to create simple spline chart.
6 The example shows how to create simple spline chart.
7
7
8 \image splinechart_example
8 \image splinechart_example
9
9
10 To create spline chart we need to put our data into QSplineSeries. QSplineSeries automatically calculates spline segment control points that are needed to properly draw the spline.
10 To create spline chart we need to put our data into QSplineSeries. QSplineSeries automatically calculates spline segment control points that are needed to properly draw the spline.
11
11
12 \snippet ../examples/splinechart/main.cpp 1
12 \snippet ../examples/splinechart/main.cpp 1
13
13
14 Customize the look of the spline, by setting its pen's color and pen's width
15
16 \snippet ../examples/splinechart/main.cpp 2
17
18 Now lets add some data points to the series.
14 Now lets add some data points to the series.
19
15
20 \snippet ../examples/splinechart/main.cpp 3
16 \snippet ../examples/splinechart/main.cpp 3
21
17
22 The data series has been populated. To display it on a chart we create QChart object and add the data series to it. We also set the title and the values range on y axis, so that our chart is better visible.
18 The data series has been populated. To display it on a chart we create QChart object and add the data series to it. We also set the title and the values range on y axis, so that our chart is better visible.
23
19
24 \snippet ../examples/splinechart/main.cpp 4
20 \snippet ../examples/splinechart/main.cpp 4
25
21
26 Then we created a QChartView object with QChart as a parameter. This way we don't need to create QGraphicsView scene ourselves. We also set the Antialiasing on to have the rendered lines look nicer.
22 Then we create a QChartView object with QChart as a parameter. This way we don't need to create QGraphicsView scene ourselves. We also set the Antialiasing on to have the rendered lines look nicer.
27
23
28 \snippet ../examples/splinechart/main.cpp 5
24 \snippet ../examples/splinechart/main.cpp 5
29
25
30 In the end we set the QChartView as the windows's central widget.
26 In the end we set the QChartView as the windows's central widget.
31
27
32 \snippet ../examples/splinechart/main.cpp 6
28 \snippet ../examples/splinechart/main.cpp 6
33 */
29 */
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@@ -1,26 +1,30
1 /*!
1 /*!
2 \example examples/linechart
2 \example examples/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 \image linechart.png
8 \image linechart.png
9
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.
10 To create line chart, QLineSeries instance is needed. Let's create one.
11
11
12 \snippet ../examples/linechart/main.cpp 1
12 \snippet ../examples/linechart/main.cpp 1
13
13
14 We add data to be shown to both series. We can use add() member function or use stream operator.
14 Then we add data to series. We can use add() member function or use stream operator.
15
15
16 \snippet ../examples/linechart/main.cpp 2
16 \snippet ../examples/linechart/main.cpp 2
17
17
18 In the end we create QChartView instance, set title, set anti-aliasing and add both series.
18 To present the data on the char we need QChart instance. We add the series to it and set the title of the chart.
19
19
20 \snippet ../examples/linechart/main.cpp 3
20 \snippet ../examples/linechart/main.cpp 3
21
21
22 Chart is ready to be shown.
22 Then we create a QChartView object with QChart as a parameter. This way we don't need to create QGraphicsView scene ourselves. We also set the Antialiasing on to have the rendered lines look nicer.
23
23
24 \snippet ../examples/linechart/main.cpp 4
24 \snippet ../examples/linechart/main.cpp 4
25
26 Chart is ready to be shown.
27
28 \snippet ../examples/linechart/main.cpp 5
25
29
26 */ No newline at end of file
30 */
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@@ -1,67 +1,64
1 /****************************************************************************
1 /****************************************************************************
2 **
2 **
3 ** Copyright (C) 2012 Digia Plc
3 ** Copyright (C) 2012 Digia Plc
4 ** All rights reserved.
4 ** All rights reserved.
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
6 **
6 **
7 ** This file is part of the Qt Commercial Charts Add-on.
7 ** This file is part of the Qt Commercial Charts Add-on.
8 **
8 **
9 ** $QT_BEGIN_LICENSE$
9 ** $QT_BEGIN_LICENSE$
10 ** Licensees holding valid Qt Commercial licenses may use this file in
10 ** Licensees holding valid Qt Commercial licenses may use this file in
11 ** accordance with the Qt Commercial License Agreement provided with the
11 ** accordance with the Qt Commercial License Agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and Digia.
13 ** a written agreement between you and Digia.
14 **
14 **
15 ** If you have questions regarding the use of this file, please use
15 ** If you have questions regarding the use of this file, please use
16 ** contact form at http://qt.digia.com
16 ** contact form at http://qt.digia.com
17 ** $QT_END_LICENSE$
17 ** $QT_END_LICENSE$
18 **
18 **
19 ****************************************************************************/
19 ****************************************************************************/
20
20
21 #include <QApplication>
21 #include <QApplication>
22 #include <QMainWindow>
22 #include <QMainWindow>
23 #include <QChartView>
23 #include <QChartView>
24 #include <QLineSeries>
24 #include <QLineSeries>
25
25
26 QTCOMMERCIALCHART_USE_NAMESPACE
26 QTCOMMERCIALCHART_USE_NAMESPACE
27
27
28 int main(int argc, char *argv[])
28 int main(int argc, char *argv[])
29 {
29 {
30 QApplication a(argc, argv);
30 QApplication a(argc, argv);
31
31
32 //![1]
32 //![1]
33 QLineSeries* series = new QLineSeries();
33 QLineSeries* series = new QLineSeries();
34 QPen red(Qt::red);
35 red.setWidth(3);
36 series->setPen(red);
37 //![1]
34 //![1]
38
35
39 //![2]
36 //![2]
40 series->append(0, 6);
37 series->append(0, 6);
41 series->append(2, 4);
38 series->append(2, 4);
42 series->append(3, 8);
39 series->append(3, 8);
43 series->append(7, 4);
40 series->append(7, 4);
44 series->append(10, 5);
41 series->append(10, 5);
45 *series << QPointF(11, 1) << QPointF(13, 3) << QPointF(17, 6) << QPointF(18, 3) << QPointF(20, 2);
42 *series << QPointF(11, 1) << QPointF(13, 3) << QPointF(17, 6) << QPointF(18, 3) << QPointF(20, 2);
46 //![2]
43 //![2]
47
44
48 //![3]
45 //![3]
49 QChart* chart = new QChart();
46 QChart* chart = new QChart();
50 chart->addSeries(series);
47 chart->addSeries(series);
51 chart->setTitle("Simple line chart example");
48 chart->setTitle("Simple line chart example");
52 //![3]
49 //![3]
53
50
54 //![4]
51 //![4]
55 QChartView* chartView = new QChartView(chart);
52 QChartView* chartView = new QChartView(chart);
56 chartView->setRenderHint(QPainter::Antialiasing);
53 chartView->setRenderHint(QPainter::Antialiasing);
57 //![4]
54 //![4]
58
55
59 //![5]
56 //![5]
60 QMainWindow window;
57 QMainWindow window;
61 window.setCentralWidget(chartView);
58 window.setCentralWidget(chartView);
62 window.resize(400, 300);
59 window.resize(400, 300);
63 window.show();
60 window.show();
64 //![5]
61 //![5]
65
62
66 return a.exec();
63 return a.exec();
67 }
64 }
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@@ -1,71 +1,71
1 /****************************************************************************
1 /****************************************************************************
2 **
2 **
3 ** Copyright (C) 2012 Digia Plc
3 ** Copyright (C) 2012 Digia Plc
4 ** All rights reserved.
4 ** All rights reserved.
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
6 **
6 **
7 ** This file is part of the Qt Commercial Charts Add-on.
7 ** This file is part of the Qt Commercial Charts Add-on.
8 **
8 **
9 ** $QT_BEGIN_LICENSE$
9 ** $QT_BEGIN_LICENSE$
10 ** Licensees holding valid Qt Commercial licenses may use this file in
10 ** Licensees holding valid Qt Commercial licenses may use this file in
11 ** accordance with the Qt Commercial License Agreement provided with the
11 ** accordance with the Qt Commercial License Agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and Digia.
13 ** a written agreement between you and Digia.
14 **
14 **
15 ** If you have questions regarding the use of this file, please use
15 ** If you have questions regarding the use of this file, please use
16 ** contact form at http://qt.digia.com
16 ** contact form at http://qt.digia.com
17 ** $QT_END_LICENSE$
17 ** $QT_END_LICENSE$
18 **
18 **
19 ****************************************************************************/
19 ****************************************************************************/
20
20
21 #include <QApplication>
21 #include <QApplication>
22 #include <QMainWindow>
22 #include <QMainWindow>
23 #include <QChartView>
23 #include <QChartView>
24 #include <QSplineSeries>
24 #include <QSplineSeries>
25
25
26 QTCOMMERCIALCHART_USE_NAMESPACE
26 QTCOMMERCIALCHART_USE_NAMESPACE
27
27
28 int main(int argc, char *argv[])
28 int main(int argc, char *argv[])
29 {
29 {
30 QApplication a(argc, argv);
30 QApplication a(argc, argv);
31
31
32 //![1]
32 //![1]
33 QSplineSeries* series = new QSplineSeries();
33 QSplineSeries* series = new QSplineSeries();
34 //![1]
34 //![1]
35
35
36 //![2]
36 //![2]
37 QPen red(Qt::red);
37 // QPen red(Qt::red);
38 red.setWidth(3);
38 // red.setWidth(3);
39 series->setPen(red);
39 // series->setPen(red);
40 //![2]
40 //![2]
41
41
42 //![3]
42 //![3]
43 series->append(0, 6);
43 series->append(0, 6);
44 series->append(2, 4);
44 series->append(2, 4);
45 series->append(3, 8);
45 series->append(3, 8);
46 series->append(7, 4);
46 series->append(7, 4);
47 series->append(10, 5);
47 series->append(10, 5);
48 *series << QPointF(11, 1) << QPointF(13, 3) << QPointF(17, 6) << QPointF(18, 3) << QPointF(20, 2);
48 *series << QPointF(11, 1) << QPointF(13, 3) << QPointF(17, 6) << QPointF(18, 3) << QPointF(20, 2);
49 //![3]
49 //![3]
50
50
51 //![4]
51 //![4]
52 QChart* chart = new QChart();
52 QChart* chart = new QChart();
53 chart->addSeries(series);
53 chart->addSeries(series);
54 chart->setTitle("Simple spline chart example");
54 chart->setTitle("Simple spline chart example");
55 chart->axisY()->setRange(0, 10);
55 chart->axisY()->setRange(0, 10);
56 //![4]
56 //![4]
57
57
58 //![5]
58 //![5]
59 QChartView* chartView = new QChartView(chart);
59 QChartView* chartView = new QChartView(chart);
60 chartView->setRenderHint(QPainter::Antialiasing);
60 chartView->setRenderHint(QPainter::Antialiasing);
61 //![5]
61 //![5]
62
62
63 //![6]
63 //![6]
64 QMainWindow window;
64 QMainWindow window;
65 window.setCentralWidget(chartView);
65 window.setCentralWidget(chartView);
66 window.resize(400, 300);
66 window.resize(400, 300);
67 window.show();
67 window.show();
68 //![6]
68 //![6]
69
69
70 return a.exec();
70 return a.exec();
71 }
71 }
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