Inheritance diagram for QwtData:
Classes, derived from QwtData may:
Public Member Functions | |
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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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, QwtCPointerData, and QwtStdVectorData. |
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Return a pointer to a copy (virtual copy constructor) Implemented in QwtDoublePointData, QwtArrayData, QwtCPointerData, and QwtStdVectorData. |
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Assignment operator (virtualized) |
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Return the size of the data set Implemented in QwtDoublePointData, QwtArrayData, QwtCPointerData, and QwtStdVectorData. |
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Return the x value of data point i
Implemented in QwtDoublePointData, QwtArrayData, QwtCPointerData, and QwtStdVectorData. |
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Return the y value of data point i
Implemented in QwtDoublePointData, QwtArrayData, QwtCPointerData, and QwtStdVectorData. |