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QwtAbstractSeriesStore(3) Qwt User's Guide QwtAbstractSeriesStore(3)

NAME

QwtAbstractSeriesStore - Bridge between QwtSeriesStore and QwtPlotSeriesItem.

SYNOPSIS

#include <qwt_series_store.h>

Inherited by QwtSeriesStore< QwtIntervalSample > [virtual], QwtSeriesStore< QwtVectorFieldSample > [virtual], QwtSeriesStore< QwtOHLCSample > [virtual], QwtSeriesStore< QPointF > [virtual], QwtSeriesStore< QwtPoint3D > [virtual], QwtSeriesStore< QwtSetSample > [virtual], QwtPlotSeriesItem [virtual], and QwtSeriesStore< T > [virtual].

Public Member Functions


virtual ~QwtAbstractSeriesStore ()
Destructor.

Protected Member Functions


virtual void dataChanged ()=0
dataChanged() indicates, that the series has been changed. virtual void setRectOfInterest (const QRectF &)=0
virtual QRectF dataRect () const =0
virtual size_t dataSize () const =0

Detailed Description

Bridge between QwtSeriesStore and QwtPlotSeriesItem.

QwtAbstractSeriesStore is an abstract interface only to make it possible to isolate the template based methods ( QwtSeriesStore ) from the regular methods ( QwtPlotSeriesItem ) to make it possible to derive from QwtPlotSeriesItem without any hassle with templates.

Definition at line 24 of file qwt_series_store.h.

Member Function Documentation

virtual QRectF QwtAbstractSeriesStore::dataRect () const [protected], [pure virtual]

Returns

Bounding rectangle of the stored series

Implemented in QwtSeriesStore< T >, QwtSeriesStore< QwtIntervalSample >, QwtSeriesStore< QwtVectorFieldSample >, QwtSeriesStore< QwtOHLCSample >, QwtSeriesStore< QPointF >, QwtSeriesStore< QwtPoint3D >, and QwtSeriesStore< QwtSetSample >.

virtual size_t QwtAbstractSeriesStore::dataSize () const [protected], [pure virtual]

Returns

Number of samples

Implemented in QwtSeriesStore< T >, QwtSeriesStore< QwtIntervalSample >, QwtSeriesStore< QwtVectorFieldSample >, QwtSeriesStore< QwtOHLCSample >, QwtSeriesStore< QPointF >, QwtSeriesStore< QwtPoint3D >, and QwtSeriesStore< QwtSetSample >.

virtual void QwtAbstractSeriesStore::setRectOfInterest (const QRectF &) [protected], [pure virtual]

Set a the 'rectangle of interest' for the stored series

See also

QwtSeriesData<T>::setRectOfInterest()

Implemented in QwtSeriesStore< T >, QwtSeriesStore< QwtIntervalSample >, QwtSeriesStore< QwtVectorFieldSample >, QwtSeriesStore< QwtOHLCSample >, QwtSeriesStore< QPointF >, QwtSeriesStore< QwtPoint3D >, and QwtSeriesStore< QwtSetSample >.

Author

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Sun Jul 18 2021 Version 6.2.0