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/*
* python-qwt. Python wrapper for the Qwt Widget Library
* Copyright (C) 1997 Josef Wilgen
* Copyright (C) 2002 Uwe Rathmann
* Copyright (C) 2015 Gudjon I. Gudjonsson
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the Qwt License, Version 1.0
*****************************************************************************/
class QwtSpline
{
%TypeHeaderCode
#include <qwt_spline.h>
%End
public:
//! Spline type
enum SplineType
{
//! A natural spline
Natural,
//! A periodic spline
Periodic
};
QwtSpline();
QwtSpline( const QwtSpline & );
~QwtSpline();
//QwtSpline &operator=( const QwtSpline & );
void setSplineType( SplineType );
SplineType splineType() const;
bool setPoints( const QPolygonF& points );
QPolygonF points() const;
void reset();
bool isValid() const;
double value( double x ) const;
const QVector<double> &coefficientsA() const;
const QVector<double> &coefficientsB() const;
const QVector<double> &coefficientsC() const;
protected:
bool buildNaturalSpline( const QPolygonF & );
bool buildPeriodicSpline( const QPolygonF & );
};
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