qwt_curve_fitter.h

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/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
 * Qwt Widget Library
 * Copyright (C) 1997   Josef Wilgen
 * Copyright (C) 2002   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_CURVE_FITTER_H
#define QWT_CURVE_FITTER_H

#include "qwt_global.h"
#include <qpolygon.h>
#include <qpainterpath.h>

class QWT_EXPORT QwtCurveFitter
{
public:
    enum Mode
    {
        Polygon,

        Path
    };

    virtual ~QwtCurveFitter();

    Mode mode() const;

    virtual QPolygonF fitCurve( const QPolygonF &polygon ) const = 0;

    virtual QPainterPath fitCurvePath( const QPolygonF &polygon ) const = 0;

protected:
    explicit QwtCurveFitter( Mode mode );

private:
    Q_DISABLE_COPY(QwtCurveFitter)

    const Mode d_mode;
};

#endif