10#ifndef QWT_SPLINE_CUBIC_H 
   11#define QWT_SPLINE_CUBIC_H 
   13#include "qwt_global.h" 
   14#include "qwt_spline.h" 
   39    virtual uint 
locality() 
const QWT_OVERRIDE;
 
   41    virtual QPainterPath 
painterPath( 
const QPolygonF& ) 
const QWT_OVERRIDE;
 
 
Base class for spline interpolations providing a second order parametric continuity ( C2 ) between ad...
virtual QVector< double > slopes(const QPolygonF &) const override
Find the first derivative at the control points.
virtual QVector< double > curvatures(const QPolygonF &) const =0
Find the second derivative at the control points.
virtual QVector< QLineF > bezierControlLines(const QPolygonF &) const override
Interpolate a curve with Bezier curves.
virtual QVector< QwtSplinePolynomial > polynomials(const QPolygonF &) const override
Calculate the interpolating polynomials for a non parametric spline.
virtual QPainterPath painterPath(const QPolygonF &) const override
Interpolate a curve with Bezier curves.
virtual uint locality() const