QwtSeriesStore - Man Page
Class storing a QwtSeriesData object.
Synopsis
#include <qwt_series_store.h>
Inherits QwtAbstractSeriesStore.
Public Member Functions
QwtSeriesStore ()
Constructor The store contains no series.
~QwtSeriesStore ()
Destructor.
void setData (QwtSeriesData< T > *series)
QwtSeriesData< T > * data ()
const QwtSeriesData< T > * data () const
T sample (int index) const
virtual size_t dataSize () const
virtual QRectF dataRect () const
virtual void setRectOfInterest (const QRectF &rect)
QwtSeriesData< T > * swapData (QwtSeriesData< T > *series)
Additional Inherited Members
Detailed Description
template<typename T>
class QwtSeriesStore< T >" Class storing a QwtSeriesData object.
QwtSeriesStore and QwtPlotSeriesItem are intended as base classes for all plot items iterating over a series of samples. Both classes share a virtual base class ( QwtAbstractSeriesStore ) to bridge between them.
QwtSeriesStore offers the template based part for the plot item API, so that QwtPlotSeriesItem can be derived without any hassle with templates.
Member Function Documentation
template<typename T > QwtSeriesData< T > * QwtSeriesStore< T >::data () [inline]
- Returns
the the series data
template<typename T > const QwtSeriesData< T > * QwtSeriesStore< T >::data () const [inline]
- Returns
the the series data
template<typename T > QRectF QwtSeriesStore< T >::dataRect () const [virtual]
- Returns
Bounding rectangle of the series or an invalid rectangle, when no series is stored
- See also
QwtSeriesData<T>::boundingRect()
Implements QwtAbstractSeriesStore.
template<typename T > size_t QwtSeriesStore< T >::dataSize () const [virtual]
- Returns
Number of samples of the series
- See also
setData(), QwtSeriesData<T>::size()
Implements QwtAbstractSeriesStore.
template<typename T > T QwtSeriesStore< T >::sample (int index) const [inline]
- Parameters
index Index
- Returns
Sample at position index
template<typename T> void QwtSeriesStore< T >::setData (QwtSeriesData< T > * series)
Assign a series of samples
- Parameters
series Data
- Warning
The item takes ownership of the data object, deleting it when its not used anymore.
template<typename T > void QwtSeriesStore< T >::setRectOfInterest (const QRectF & rect) [virtual]
Set a the 'rect of interest' for the series
- Parameters
rect Rectangle of interest
- See also
QwtSeriesData<T>::setRectOfInterest()
Implements QwtAbstractSeriesStore.
template<typename T> QwtSeriesData< T > * QwtSeriesStore< T >::swapData (QwtSeriesData< T > * series)
Replace a series without deleting the previous one
- Parameters
series New series
- Returns
Previously assigned series
Author
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