Qwt User's Guide
6.2.0
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#include <qwt_series_data.h>
Public Member Functions | |
QwtTradingChartData (const QVector< QwtOHLCSample > &=QVector< QwtOHLCSample >()) | |
virtual QRectF | boundingRect () const override |
Calculate the bounding rectangle. More... | |
Public Member Functions inherited from QwtArraySeriesData< QwtOHLCSample > | |
QwtArraySeriesData () | |
Constructor. | |
QwtArraySeriesData (const QVector< QwtOHLCSample > &samples) | |
void | setSamples (const QVector< QwtOHLCSample > &samples) |
const QVector< QwtOHLCSample > | samples () const |
virtual size_t | size () const override |
virtual QwtOHLCSample | sample (size_t index) const override |
Public Member Functions inherited from QwtSeriesData< T > | |
QwtSeriesData () | |
Constructor. | |
virtual | ~QwtSeriesData () |
Destructor. | |
virtual void | setRectOfInterest (const QRectF &rect) |
Additional Inherited Members | |
Protected Attributes inherited from QwtArraySeriesData< QwtOHLCSample > | |
QVector< QwtOHLCSample > | m_samples |
Vector of samples. | |
Protected Attributes inherited from QwtSeriesData< T > | |
QRectF | cachedBoundingRect |
Can be used to cache a calculated bounding rectangle. | |
Interface for iterating over an array of OHLC samples
Definition at line 261 of file qwt_series_data.h.
QwtTradingChartData::QwtTradingChartData | ( | const QVector< QwtOHLCSample > & | samples = QVector< QwtOHLCSample >( ) | ) |
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overridevirtual |
Calculate the bounding rectangle.
The bounding rectangle is calculated once by iterating over all points and is stored for all following requests.
Implements QwtSeriesData< T >.
Definition at line 391 of file qwt_series_data.cpp.