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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
42 lines
1.1 KiB
C++
42 lines
1.1 KiB
C++
/******************************************************************************
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* QwtPolar Widget Library
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* Copyright (C) 2008 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_POLAR_FITTER_H
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#define QWT_POLAR_FITTER_H
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#include "qwt_global.h"
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#include "qwt_curve_fitter.h"
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/*!
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\brief A simple curve fitter for polar points
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QwtPolarFitter adds equidistant points between 2 curve points,
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so that the connection gets rounded according to the nature of
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a polar plot.
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\sa QwtPolarCurve::setCurveFitter()
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*/
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class QWT_EXPORT QwtPolarFitter : public QwtCurveFitter
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{
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public:
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QwtPolarFitter( int stepCount = 5 );
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virtual ~QwtPolarFitter();
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void setStepCount( int size );
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int stepCount() const;
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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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class PrivateData;
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PrivateData* m_data;
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};
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#endif
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