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qwt_polar_fitter.h
/******************************************************************************
* QwtPolar Widget Library
* Copyright (C) 2008 Uwe Rathmann
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the Qwt License, Version 1.0
*****************************************************************************/
#ifndef QWT_POLAR_FITTER_H
#define QWT_POLAR_FITTER_H
#include "qwt_global.h"
#include "qwt_curve_fitter.h"
class QWT_EXPORT QwtPolarFitter : public QwtCurveFitter
{
public:
QwtPolarFitter( int stepCount = 5 );
virtual ~QwtPolarFitter();
void setStepCount( int size );
int stepCount() const;
virtual QPolygonF fitCurve( const QPolygonF& ) const QWT_OVERRIDE;
virtual QPainterPath fitCurvePath( const QPolygonF& ) const QWT_OVERRIDE;
private:
class PrivateData;
PrivateData* m_data;
};
#endif
QwtCurveFitter
Abstract base class for a curve fitter.
Definition qwt_curve_fitter.h:22
QwtCurveFitter::fitCurvePath
virtual QPainterPath fitCurvePath(const QPolygonF &polygon) const =0
QwtCurveFitter::fitCurve
virtual QPolygonF fitCurve(const QPolygonF &polygon) const =0
QwtPolarFitter
A simple curve fitter for polar points.
Definition qwt_polar_fitter.h:25