@@ -1,24 +1,44 | |||||
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1 | /**************************************************************************** | |||
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2 | ** | |||
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3 | ** Copyright (C) 2012 Digia Plc | |||
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4 | ** All rights reserved. | |||
|
5 | ** For any questions to Digia, please use contact form at http://qt.digia.com | |||
|
6 | ** | |||
|
7 | ** This file is part of the Qt Commercial Charts Add-on. | |||
|
8 | ** | |||
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9 | ** $QT_BEGIN_LICENSE$ | |||
|
10 | ** Licensees holding valid Qt Commercial licenses may use this file in | |||
|
11 | ** accordance with the Qt Commercial License Agreement provided with the | |||
|
12 | ** Software or, alternatively, in accordance with the terms contained in | |||
|
13 | ** a written agreement between you and Digia. | |||
|
14 | ** | |||
|
15 | ** If you have questions regarding the use of this file, please use | |||
|
16 | ** contact form at http://qt.digia.com | |||
|
17 | ** $QT_END_LICENSE$ | |||
|
18 | ** | |||
|
19 | ****************************************************************************/ | |||
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20 | ||||
1 | #include "wavechart.h" |
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21 | #include "wavechart.h" | |
2 | #include <QApplication> |
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22 | #include <QApplication> | |
3 | #include <QMainWindow> |
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23 | #include <QMainWindow> | |
4 | #include <QGLWidget> |
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24 | #include <QGLWidget> | |
5 |
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25 | |||
6 | int main(int argc, char *argv[]) |
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26 | int main(int argc, char *argv[]) | |
7 | { |
|
27 | { | |
8 | QApplication a(argc, argv); |
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28 | QApplication a(argc, argv); | |
9 |
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29 | |||
10 | QMainWindow window; |
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30 | QMainWindow window; | |
11 | QChart *chart = new QChart(); |
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31 | QChart *chart = new QChart(); | |
12 | WaveChart *waveChart = new WaveChart(chart,&window); |
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32 | WaveChart *waveChart = new WaveChart(chart,&window); | |
13 |
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33 | |||
14 | waveChart->setViewport( new QGLWidget() ); |
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34 | waveChart->setViewport( new QGLWidget() ); | |
15 | waveChart->setRenderHint(QPainter::Antialiasing); |
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35 | waveChart->setRenderHint(QPainter::Antialiasing); | |
16 | chart->setAnimationOptions(QChart::AllAnimations); |
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36 | chart->setAnimationOptions(QChart::AllAnimations); | |
17 | chart->setTitle("This is wave generator."); |
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37 | chart->setTitle("This is wave generator."); | |
18 |
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38 | |||
19 | window.setCentralWidget(waveChart); |
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39 | window.setCentralWidget(waveChart); | |
20 | window.resize(400, 300); |
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40 | window.resize(400, 300); | |
21 | window.show(); |
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41 | window.show(); | |
22 |
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42 | |||
23 | return a.exec(); |
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43 | return a.exec(); | |
24 | } |
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44 | } |
@@ -1,48 +1,68 | |||||
|
1 | /**************************************************************************** | |||
|
2 | ** | |||
|
3 | ** Copyright (C) 2012 Digia Plc | |||
|
4 | ** All rights reserved. | |||
|
5 | ** For any questions to Digia, please use contact form at http://qt.digia.com | |||
|
6 | ** | |||
|
7 | ** This file is part of the Qt Commercial Charts Add-on. | |||
|
8 | ** | |||
|
9 | ** $QT_BEGIN_LICENSE$ | |||
|
10 | ** Licensees holding valid Qt Commercial licenses may use this file in | |||
|
11 | ** accordance with the Qt Commercial License Agreement provided with the | |||
|
12 | ** Software or, alternatively, in accordance with the terms contained in | |||
|
13 | ** a written agreement between you and Digia. | |||
|
14 | ** | |||
|
15 | ** If you have questions regarding the use of this file, please use | |||
|
16 | ** contact form at http://qt.digia.com | |||
|
17 | ** $QT_END_LICENSE$ | |||
|
18 | ** | |||
|
19 | ****************************************************************************/ | |||
|
20 | ||||
1 | #include "wavechart.h" |
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21 | #include "wavechart.h" | |
2 | #include <cmath> |
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22 | #include <cmath> | |
3 |
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23 | |||
4 | QTCOMMERCIALCHART_USE_NAMESPACE |
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24 | QTCOMMERCIALCHART_USE_NAMESPACE | |
5 |
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25 | |||
6 | #define PI 3.14159265358979 |
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26 | #define PI 3.14159265358979 | |
7 | static const int numPoints =100; |
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27 | static const int numPoints =100; | |
8 |
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28 | |||
9 | WaveChart::WaveChart(QChart* chart, QWidget* parent) : |
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29 | WaveChart::WaveChart(QChart* chart, QWidget* parent) : | |
10 | QChartView(chart, parent), |
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30 | QChartView(chart, parent), | |
11 | m_series(new QLineSeries()), |
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31 | m_series(new QLineSeries()), | |
12 | m_wave(0), |
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32 | m_wave(0), | |
13 | m_step(2 * PI / numPoints) |
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33 | m_step(2 * PI / numPoints) | |
14 | { |
|
34 | { | |
15 | QPen blue(Qt::blue); |
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35 | QPen blue(Qt::blue); | |
16 | blue.setWidth(3); |
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36 | blue.setWidth(3); | |
17 | m_series->setPen(blue); |
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37 | m_series->setPen(blue); | |
18 |
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38 | |||
19 | QTime now = QTime::currentTime(); |
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39 | QTime now = QTime::currentTime(); | |
20 | qsrand((uint) now.msec()); |
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40 | qsrand((uint) now.msec()); | |
21 |
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41 | |||
22 | int fluctuate = 100; |
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42 | int fluctuate = 100; | |
23 |
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43 | |||
24 | for (qreal x = 0; x <= 2 * PI; x += m_step) { |
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44 | for (qreal x = 0; x <= 2 * PI; x += m_step) { | |
25 | m_series->append(x, fabs(sin(x) * fluctuate)); |
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45 | m_series->append(x, fabs(sin(x) * fluctuate)); | |
26 | } |
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46 | } | |
27 |
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47 | |||
28 | chart->addSeries(m_series); |
|
48 | chart->addSeries(m_series); | |
29 |
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49 | |||
30 | QObject::connect(&m_timer, SIGNAL(timeout()), this, SLOT(update())); |
|
50 | QObject::connect(&m_timer, SIGNAL(timeout()), this, SLOT(update())); | |
31 | m_timer.setInterval(5000); |
|
51 | m_timer.setInterval(5000); | |
32 | m_timer.start(); |
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52 | m_timer.start(); | |
33 |
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53 | |||
34 | } |
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54 | } | |
35 | ; |
|
55 | ; | |
36 |
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56 | |||
37 | void WaveChart::update() |
|
57 | void WaveChart::update() | |
38 | { |
|
58 | { | |
39 |
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59 | |||
40 | int fluctuate; |
|
60 | int fluctuate; | |
41 |
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61 | |||
42 | for (qreal i = 0, x = 0; x <= 2 * PI; x += m_step, i++) { |
|
62 | for (qreal i = 0, x = 0; x <= 2 * PI; x += m_step, i++) { | |
43 | fluctuate = qrand() % 100; |
|
63 | fluctuate = qrand() % 100; | |
44 | m_series->replace(x, fabs(sin(x) * fluctuate)); |
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64 | m_series->replace(x, fabs(sin(x) * fluctuate)); | |
45 |
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65 | |||
46 | } |
|
66 | } | |
47 |
|
67 | |||
48 | } |
|
68 | } |
@@ -1,24 +1,44 | |||||
|
1 | /**************************************************************************** | |||
|
2 | ** | |||
|
3 | ** Copyright (C) 2012 Digia Plc | |||
|
4 | ** All rights reserved. | |||
|
5 | ** For any questions to Digia, please use contact form at http://qt.digia.com | |||
|
6 | ** | |||
|
7 | ** This file is part of the Qt Commercial Charts Add-on. | |||
|
8 | ** | |||
|
9 | ** $QT_BEGIN_LICENSE$ | |||
|
10 | ** Licensees holding valid Qt Commercial licenses may use this file in | |||
|
11 | ** accordance with the Qt Commercial License Agreement provided with the | |||
|
12 | ** Software or, alternatively, in accordance with the terms contained in | |||
|
13 | ** a written agreement between you and Digia. | |||
|
14 | ** | |||
|
15 | ** If you have questions regarding the use of this file, please use | |||
|
16 | ** contact form at http://qt.digia.com | |||
|
17 | ** $QT_END_LICENSE$ | |||
|
18 | ** | |||
|
19 | ****************************************************************************/ | |||
|
20 | ||||
1 | #include <QTimer> |
|
21 | #include <QTimer> | |
2 | #include <QTime> |
|
22 | #include <QTime> | |
3 | #include <QObject> |
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23 | #include <QObject> | |
4 | #include <QLineSeries> |
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24 | #include <QLineSeries> | |
5 | #include <QChartView> |
|
25 | #include <QChartView> | |
6 |
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26 | |||
7 | QTCOMMERCIALCHART_USE_NAMESPACE |
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27 | QTCOMMERCIALCHART_USE_NAMESPACE | |
8 |
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28 | |||
9 | class WaveChart: public QChartView |
|
29 | class WaveChart: public QChartView | |
10 | { |
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30 | { | |
11 | Q_OBJECT |
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31 | Q_OBJECT | |
12 |
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32 | |||
13 | public: |
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33 | public: | |
14 | WaveChart(QChart* chart, QWidget* parent); |
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34 | WaveChart(QChart* chart, QWidget* parent); | |
15 |
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35 | |||
16 | private slots: |
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36 | private slots: | |
17 | void update(); |
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37 | void update(); | |
18 |
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38 | |||
19 | private: |
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39 | private: | |
20 | QLineSeries* m_series; |
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40 | QLineSeries* m_series; | |
21 | int m_wave; |
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41 | int m_wave; | |
22 | qreal m_step; |
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42 | qreal m_step; | |
23 | QTimer m_timer; |
|
43 | QTimer m_timer; | |
24 | }; |
|
44 | }; |
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