QwtCPointerData< T >(3) Qwt User's Guide QwtCPointerData< T >(3)

QwtCPointerData< T > - Data class containing two pointers to memory blocks of T.

#include <qwt_point_data.h>

Inherits QwtPointSeriesData.


QwtCPointerData (const T *x, const T *y, size_t size)
virtual size_t size () const override
virtual QPointF sample (size_t index) const override
const T * xData () const
const T * yData () const

class QwtCPointerData< T >" Data class containing two pointers to memory blocks of T.

Definition at line 43 of file qwt_point_data.h.

Constructor

Parameters

x Array of x values
y Array of y values
size Size of the x and y arrays

Warning

The programmer must assure that the memory blocks referenced by the pointers remain valid during the lifetime of the QwtPlotCPointer object.

See also

QwtPlotCurve::setData(), QwtPlotCurve::setRawSamples()

Definition at line 326 of file qwt_point_data.h.

Return the sample at position i

Parameters

index Index

Returns

Sample at position i

Reimplemented from QwtArraySeriesData< QPointF >.

Definition at line 347 of file qwt_point_data.h.

Returns

Size of the data set

Reimplemented from QwtArraySeriesData< QPointF >.

Definition at line 335 of file qwt_point_data.h.

template<typename T > const T * QwtCPointerData< T >::xData

Returns

Array of the x-values

Definition at line 354 of file qwt_point_data.h.

template<typename T > const T * QwtCPointerData< T >::yData

Returns

Array of the y-values

Definition at line 361 of file qwt_point_data.h.

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Sun Jul 18 2021 Version 6.2.0