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33fc476d89
* require qwt >=6.2 (and fallback to internal 6.3 if system's qwt doesn't suffice) * debian doesn't have qwt for Qt6 and won't have it for trixie
44 lines
1.1 KiB
C++
44 lines
1.1 KiB
C++
/******************************************************************************
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* Qwt Widget Library
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* Copyright (C) 1997 Josef Wilgen
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* Copyright (C) 2002 Uwe Rathmann
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the Qwt License, Version 1.0
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*****************************************************************************/
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#ifndef QWT_SPLINE_CURVE_FITTER_H
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#define QWT_SPLINE_CURVE_FITTER_H
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#include "qwt_curve_fitter.h"
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class QwtSpline;
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/*!
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\brief A curve fitter using a spline interpolation
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The default setting for the spline is a cardinal spline with
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uniform parametrization.
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\sa QwtSpline, QwtSplineLocal
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*/
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class QWT_EXPORT QwtSplineCurveFitter : public QwtCurveFitter
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{
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public:
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QwtSplineCurveFitter();
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virtual ~QwtSplineCurveFitter();
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void setSpline( QwtSpline* );
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const QwtSpline* spline() const;
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QwtSpline* spline();
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virtual QPolygonF fitCurve( const QPolygonF& ) const QWT_OVERRIDE;
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virtual QPainterPath fitCurvePath( const QPolygonF& ) const QWT_OVERRIDE;
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private:
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QwtSpline* m_spline;
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};
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#endif
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