10 #ifndef QWT_POINT_DATA_H
11 #define QWT_POINT_DATA_H 1
13 #include "qwt_global.h"
14 #include "qwt_series_data.h"
27 virtual size_t size()
const;
28 virtual QPointF
sample(
size_t i )
const;
30 const QVector<double> &xData()
const;
31 const QVector<double> &yData()
const;
47 virtual size_t size()
const;
48 virtual QPointF
sample(
size_t i )
const;
50 const double *xData()
const;
51 const double *yData()
const;
117 void setSize(
size_t size );
118 virtual size_t size()
const;
124 virtual QPointF
sample(
size_t i )
const;
132 virtual double y(
double x )
const = 0;
133 virtual double x( uint index )
const;
136 QRectF rectOfInterest()
const;
141 QRectF d_rectOfInterest;