QwtCPointerData - Man Page
Data class containing two pointers to memory blocks of T.
Synopsis
#include <qwt_point_data.h>
Inherits QwtPointSeriesData.
Public Member Functions
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
Additional Inherited Members
Detailed Description
template<typename T>
class QwtCPointerData< T >" Data class containing two pointers to memory blocks of T.
Definition at line 43 of file qwt_point_data.h.
Constructor & Destructor Documentation
template<typename T > QwtCPointerData< T >::QwtCPointerData (const T * x, const T * y, size_t size)
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.
Member Function Documentation
template<typename T > QPointF QwtCPointerData< T >::sample (size_t index) const [override], [virtual]
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.
template<typename T > size_t QwtCPointerData< T >::size [override], [virtual]
- 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.
Author
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