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Fix compile error in demo launcher....
Fix compile error in demo launcher. Change-Id: Iab90cbbf1b5f2f385445225a16eca0d82e54f07c Reviewed-by: Miikka Heikkinen <miikka.heikkinen@digia.com>
Miikka Heikkinen - - Load All Authors

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r2435:984cff4693b3
r2529:dc55c8067968
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xyseriesiodevice.cpp
57 lines | 1.7 KiB | text/x-c | CppLexer
/ demos / audio / xyseriesiodevice.cpp
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Miikka Heikkinen
Added copyright headers to *.h/*.cpp files missing them...
 r2435 /****************************************************************************
**
** Copyright (C) 2013 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the Qt Commercial Charts Add-on.
**
** $QT_BEGIN_LICENSE$
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
** $QT_END_LICENSE$
**
****************************************************************************/
Marek Rosa
Added audio input demo
 r2155 #include "xyseriesiodevice.h"
#include <QXYSeries>
XYSeriesIODevice::XYSeriesIODevice(QXYSeries * series, QObject *parent) :
QIODevice(parent),
m_series(series)
{
}
qint64 XYSeriesIODevice::readData(char * data, qint64 maxSize)
{
Q_UNUSED(data)
Q_UNUSED(maxSize)
return -1;
}
qint64 XYSeriesIODevice::writeData(const char * data, qint64 maxSize)
{
Marek Rosa
Added axes titles to audio example and decreased the number of samples on chart to 2000
 r2214 qint64 range = 2000;
Marek Rosa
Added audio input demo
 r2155 QList<QPointF> oldPoints = m_series->points();
QList<QPointF> points;
Marek Rosa
Added axes titles to audio example and decreased the number of samples on chart to 2000
 r2214 int resolution = 4;
Marek Rosa
Added audio input demo
 r2155
if (oldPoints.count() < range) {
points = m_series->points();
} else {
Marek Rosa
Added axes titles to audio example and decreased the number of samples on chart to 2000
 r2214 for (int i = maxSize/resolution; i < oldPoints.count(); i++)
points.append(QPointF(i - maxSize/resolution, oldPoints.at(i).y()));
Marek Rosa
Added audio input demo
 r2155 }
qint64 size = points.count();
Marek Rosa
Added axes titles to audio example and decreased the number of samples on chart to 2000
 r2214 for (int k = 0; k < maxSize/resolution; k++)
points.append(QPointF(k + size, ((quint8)data[resolution * k] - 128)/128.0));
Marek Rosa
Added audio input demo
 r2155
m_series->replace(points);
return maxSize;
}