QwtSeriesData< T > 模板类 参考

遍历样本的抽象接口 更多...

#include <qwt_series_data.h>

类 QwtSeriesData< T > 继承关系图:

Public 成员函数
	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 属性
QRectF	cachedBoundingRect
	Can be used to cache a calculated bounding rectangle

详细描述

template<typename T>
class QwtSeriesData< T >

遍历样本的抽象接口

成员函数说明

boundingRect()

template<typename T >

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

pure virtual

Calculate the bounding rect of all samples

在 QwtSyntheticPointData, QwtPointSeriesData, QwtPoint3DSeriesData, QwtIntervalSeriesData, QwtSetSeriesData, QwtVectorFieldData, QwtTradingChartData, QwtBoxChartData , 以及 QwtBoxOutlierChartData 内被实现.

sample()

template<typename T >

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

pure virtual

Return a sample

在 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 > , 以及 QwtArraySeriesData< QwtVectorFieldSample > 内被实现.

setRectOfInterest()

template<typename T >

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

virtual

Set a the "rect of interest"

被 QwtSyntheticPointData 重载.

size()

template<typename T >

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

pure virtual

返回

Number of samples

在 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 > , 以及 QwtArraySeriesData< QwtVectorFieldSample > 内被实现.

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该类的文档由以下文件生成:

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