From bc1b888bffa3cd2fe19d1e237a293843a1d06e7d 2012-02-07 15:59:56
From: Michal Klocek <michal.klocek@digia.com>
Date: 2012-02-07 15:59:56
Subject: [PATCH] minor. minssing hile

---

diff --git a/example/dynamiclinechart/wavegenerator.h b/example/dynamiclinechart/wavegenerator.h
new file mode 100644
index 0000000..b5b4736
--- /dev/null
+++ b/example/dynamiclinechart/wavegenerator.h
@@ -0,0 +1,60 @@
+#include <QTimer>
+#include <QTime>
+#include <QObject>
+#include <cmath>
+#include <qxychartseries.h>
+
+QTCOMMERCIALCHART_USE_NAMESPACE
+
+#define PI 3.14159265358979
+static const int numPoints =100;
+
+class WaveGenerator: public QObject
+{
+    Q_OBJECT
+
+public:
+    WaveGenerator(QXYChartSeries* series1, QXYChartSeries* series2) :
+        m_series1(series1),
+        m_series2(series2),
+        m_wave(0),
+        m_step(2*PI/numPoints)
+    {
+
+        QTime now = QTime::currentTime();
+        qsrand((uint)now.msec());
+
+        int fluctuate = 100;
+
+        for (qreal x = 0; x <= 2*PI; x+=m_step) {
+              series1->add(x, fabs(sin(x)*fluctuate));
+              series2->add(x, fabs(cos(x)*fluctuate));
+        }
+
+        QObject::connect(&m_timer,SIGNAL(timeout()),this,SLOT(update()));
+        m_timer.setInterval(5000);
+        m_timer.start();
+
+    };
+
+public slots:
+    void update()
+    {
+        int fluctuate;
+
+        for (qreal i = 0, x = 0; x <= 2*PI; x+=m_step, i++) {
+            fluctuate = qrand() % 100;
+            m_series1->set(i, x, fabs(sin(x)*fluctuate));
+            fluctuate = qrand() % 100;
+            m_series2->set(i, x, fabs(cos(x)*fluctuate));
+        }
+
+    }
+
+private:
+    QXYChartSeries* m_series1;
+    QXYChartSeries* m_series2;
+    int m_wave;
+    qreal m_step;
+    QTimer m_timer;
+};