xyseriesiodevice.h Example File

audio/xyseriesiodevice.h

  /******************************************************************************
  **
  ** Copyright (C) 2015 The Qt Company Ltd.
  ** Contact: http://www.qt.io/licensing/
  **
  ** This file is part of the Qt Charts module.
  **
  ** $QT_BEGIN_LICENSE:COMM$
  **
  ** Commercial License Usage
  ** Licensees holding valid commercial Qt licenses may use this file in
  ** accordance with the commercial license agreement provided with the
  ** Software or, alternatively, in accordance with the terms contained in
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  ** information use the contact form at http://www.qt.io/contact-us.
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  ******************************************************************************/

  #ifndef XYSERIESIODEVICE_H
  #define XYSERIESIODEVICE_H

  #include <QtCore/QIODevice>
  #include <QtCharts/QChartGlobal>

  QT_CHARTS_BEGIN_NAMESPACE
  class QXYSeries;
  QT_CHARTS_END_NAMESPACE

  QT_CHARTS_USE_NAMESPACE

  class XYSeriesIODevice : public QIODevice
  {
      Q_OBJECT
  public:
      explicit XYSeriesIODevice(QXYSeries * series, QObject *parent = 0);

  protected:
      qint64 readData(char * data, qint64 maxSize);
      qint64 writeData(const char * data, qint64 maxSize);

  private:
      QXYSeries *m_series;
  };

  #endif // XYSERIESIODEVICE_H