Qwt User's Guide  6.2.0
qwt_spline_curve_fitter.h
1 /******************************************************************************
2  * Qwt Widget Library
3  * Copyright (C) 1997 Josef Wilgen
4  * Copyright (C) 2002 Uwe Rathmann
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the Qwt License, Version 1.0
8  *****************************************************************************/
9 
10 #ifndef QWT_SPLINE_CURVE_FITTER_H
11 #define QWT_SPLINE_CURVE_FITTER_H
12 
13 #include "qwt_curve_fitter.h"
14 
15 class QwtSpline;
16 
25 class QWT_EXPORT QwtSplineCurveFitter : public QwtCurveFitter
26 {
27  public:
29  virtual ~QwtSplineCurveFitter();
30 
31  void setSpline( QwtSpline* );
32 
33  const QwtSpline* spline() const;
34  QwtSpline* spline();
35 
36  virtual QPolygonF fitCurve( const QPolygonF& ) const QWT_OVERRIDE;
37  virtual QPainterPath fitCurvePath( const QPolygonF& ) const QWT_OVERRIDE;
38 
39  private:
40  QwtSpline* m_spline;
41 };
42 
43 #endif
Abstract base class for a curve fitter.
virtual QPainterPath fitCurvePath(const QPolygonF &polygon) const =0
virtual QPolygonF fitCurve(const QPolygonF &polygon) const =0
A curve fitter using a spline interpolation.
Base class for all splines.
Definition: qwt_spline.h:58