QwtSeriesData< T > Class Template Reference

Abstract interface for iterating over samples. More...

#include <qwt_series_data.h>

Inheritance diagram for QwtSeriesData< T >:

Public Member Functions
	QwtSeriesData ()
	Constructor.
virtual	~QwtSeriesData ()
	Destructor.
virtual size_t	size () const =0
virtual T	sample (size_t i) const =0
	Return a sample.
virtual QRectF	boundingRect () const =0
	Calculate the bounding rect of all samples.
virtual void	setRectOfInterest (const QRectF &rect)
	Set a the "rect of interest".

Protected Attributes
QRectF	cachedBoundingRect
	Can be used to cache a calculated bounding rectangle.

Detailed Description

template<typename T>
class QwtSeriesData< T >

Abstract interface for iterating over samples.

Member Function Documentation

boundingRect()

template<typename T >

virtual QRectF QwtSeriesData< T >::boundingRect ( ) const

pure virtual

Calculate the bounding rect of all samples.

Implemented in QwtSyntheticPointData, QwtPointSeriesData, QwtPoint3DSeriesData, QwtIntervalSeriesData, QwtSetSeriesData, QwtVectorFieldData, QwtTradingChartData, QwtBoxChartData, and QwtBoxOutlierChartData.

sample()

template<typename T >

virtual T QwtSeriesData< T >::sample ( size_t  i ) const

pure virtual

Return a sample.

Implemented in QwtPointArrayData< T >, QwtCPointerData< T >, QwtValuePointData< T >, QwtCPointerValueData< T >, QwtSyntheticPointData, QwtArraySeriesData< T >, QwtArraySeriesData< QPointF >, QwtArraySeriesData< QwtBoxOutlierSample >, QwtArraySeriesData< QwtBoxSample >, QwtArraySeriesData< QwtIntervalSample >, QwtArraySeriesData< QwtOHLCSample >, QwtArraySeriesData< QwtPoint3D >, QwtArraySeriesData< QwtSetSample >, and QwtArraySeriesData< QwtVectorFieldSample >.

setRectOfInterest()

template<typename T >

void QwtSeriesData< T >::setRectOfInterest ( const QRectF &  rect )

virtual

Set a the "rect of interest".

Reimplemented in QwtSyntheticPointData.

size()

template<typename T >

virtual size_t QwtSeriesData< T >::size ( ) const

pure virtual

Returns

Number of samples

Implemented in QwtPointArrayData< T >, QwtCPointerData< T >, QwtValuePointData< T >, QwtCPointerValueData< T >, QwtSyntheticPointData, QwtArraySeriesData< T >, QwtArraySeriesData< QPointF >, QwtArraySeriesData< QwtBoxOutlierSample >, QwtArraySeriesData< QwtBoxSample >, QwtArraySeriesData< QwtIntervalSample >, QwtArraySeriesData< QwtOHLCSample >, QwtArraySeriesData< QwtPoint3D >, QwtArraySeriesData< QwtSetSample >, and QwtArraySeriesData< QwtVectorFieldSample >.

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The documentation for this class was generated from the following files:

• /home/runner/work/QWT/QWT/src/plot/qwt_plot_barchart.h
• /home/runner/work/QWT/QWT/src/plot/qwt_series_data.h