xyseriesiodevice.h Example File

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#ifndef XYSERIESIODEVICE_H #define XYSERIESIODEVICE_H #include <QtCore/QIODevice> #include <QtCore/QPointF> #include <QtCore/QVector> #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 = nullptr); static const int sampleCount = 2000; protected: qint64 readData(char *data, qint64 maxSize) override; qint64 writeData(const char *data, qint64 maxSize) override; private: QXYSeries *m_series; QVector<QPointF> m_buffer; }; #endif // XYSERIESIODEVICE_H

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