Qwt User's Guide
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#include <qwt_series_data.h>
Public Member Functions | |
QwtTradingChartData (const QVector< QwtOHLCSample > &=QVector< QwtOHLCSample >()) | |
virtual QRectF | boundingRect () const |
Calculate the bounding rectangle. |
Interface for iterating over an array of OHLC samples
QwtTradingChartData::QwtTradingChartData | ( | const QVector< QwtOHLCSample > & | samples = QVector<QwtOHLCSample>() | ) |
Constructor
samples | Samples |
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.
Implements QwtSeriesData< QwtOHLCSample >.