
Classes, derived from QwtData may:
Definition at line 47 of file qwt_data.h.
| Public Member Functions | |
| QwtData () | |
| virtual | ~QwtData () | 
| virtual QwtData * | copy () const =0 | 
| virtual size_t | size () const =0 | 
| virtual double | x (size_t i) const =0 | 
| virtual double | y (size_t i) const =0 | 
| virtual QwtDoubleRect | boundingRect () const | 
| Protected Member Functions | |
| QwtData & | operator= (const QwtData &) | 
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| Constructor. 
 Definition at line 14 of file qwt_data.cpp. | 
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| Destructor. 
 Definition at line 19 of file qwt_data.cpp. | 
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| Returns the bounding rectangle of the data. If there is no bounding rect, like for empty data the rectangle is invalid: QwtDoubleRect::isValid() == false 
 
 Reimplemented in QwtArrayData, and QwtCPointerData. Definition at line 34 of file qwt_data.cpp. References size(), x(), and y(). Referenced by QwtPlotCurve::boundingRect(). | 
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 Implemented in QwtPolygonFData, QwtArrayData, and QwtCPointerData. Referenced by QwtPlotCurve::setData(). | 
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| Assignment operator (virtualized) | 
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 Implemented in QwtPolygonFData, QwtArrayData, and QwtCPointerData. Referenced by boundingRect(), and QwtPlotCurve::dataSize(). | 
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| Return the x value of data point i 
 
 Implemented in QwtPolygonFData, QwtArrayData, and QwtCPointerData. Referenced by boundingRect(), and QwtPlotCurve::x(). | 
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| Return the y value of data point i 
 
 Implemented in QwtPolygonFData, QwtArrayData, and QwtCPointerData. Referenced by boundingRect(), and QwtPlotCurve::y(). | 
 1.4.6
 1.4.6