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

NAME

QwtTradingChartData

SYNOPSIS

#include <qwt_series_data.h>

Inherits QwtArraySeriesData< QwtOHLCSample >.

Public Member Functions


QwtTradingChartData (const QVector< QwtOHLCSample > &=QVector< QwtOHLCSample >())
virtual QRectF boundingRect () const
Calculate the bounding rectangle.

Additional Inherited Members

Detailed Description

Interface for iterating over an array of OHLC samples

Constructor & Destructor Documentation

QwtTradingChartData::QwtTradingChartData (const QVector< QwtOHLCSample > & samples = QVector<QwtOHLCSample>())

Constructor

Parameters:

samples Samples

Member Function Documentation

QRectF QwtTradingChartData::boundingRect () const [virtual]

Calculate the bounding rectangle. The bounding rectangle is calculated once by iterating over all points and is stored for all following requests.

Returns:

Bounding rectangle

Implements QwtSeriesData< QwtOHLCSample >.

Author

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Wed Jan 2 2019 Version 6.1.4