xyseriesiodevice.h 范例文件

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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