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110 lines
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110 lines
0 B
15 years ago
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/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
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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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14 years ago
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*
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15 years ago
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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_CURVE_FITTER_H
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#define QWT_CURVE_FITTER_H
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#include "qwt_global.h"
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#include "qwt_double_rect.h"
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class QwtSpline;
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#if QT_VERSION >= 0x040000
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#include <QPolygonF>
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#else
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#include "qwt_array.h"
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#endif
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// MOC_SKIP_BEGIN
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#if defined(QWT_TEMPLATEDLL)
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#if QT_VERSION < 0x040000
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#ifndef QWTARRAY_TEMPLATE_QWTDOUBLEPOINT // by mjo3
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#define QWTARRAY_TEMPLATE_QWTDOUBLEPOINT
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template class QWT_EXPORT QwtArray<QwtDoublePoint>;
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#endif //end of QWTARRAY_TEMPLATE_QWTDOUBLEPOINT
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#endif
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#endif
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// MOC_SKIP_END
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/*!
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\brief Abstract base class for a curve fitter
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*/
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class QWT_EXPORT QwtCurveFitter
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{
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public:
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virtual ~QwtCurveFitter();
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#if QT_VERSION < 0x040000
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virtual QwtArray<QwtDoublePoint> fitCurve(
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const QwtArray<QwtDoublePoint>&) const = 0;
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#else
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virtual QPolygonF fitCurve(const QPolygonF &) const = 0;
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#endif
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protected:
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QwtCurveFitter();
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private:
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QwtCurveFitter( const QwtCurveFitter & );
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QwtCurveFitter &operator=( const QwtCurveFitter & );
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};
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/*!
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\brief A curve fitter using cubic splines
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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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14 years ago
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enum FitMode {
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15 years ago
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Auto,
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Spline,
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ParametricSpline
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};
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QwtSplineCurveFitter();
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virtual ~QwtSplineCurveFitter();
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void setFitMode(FitMode);
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FitMode fitMode() const;
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void setSpline(const QwtSpline&);
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const QwtSpline &spline() const;
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QwtSpline &spline();
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void setSplineSize(int size);
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int splineSize() const;
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#if QT_VERSION < 0x040000
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virtual QwtArray<QwtDoublePoint> fitCurve(
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const QwtArray<QwtDoublePoint> &) const;
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#else
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virtual QPolygonF fitCurve(const QPolygonF &) const;
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#endif
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private:
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#if QT_VERSION < 0x040000
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QwtArray<QwtDoublePoint> fitSpline(
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const QwtArray<QwtDoublePoint> &) const;
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QwtArray<QwtDoublePoint> fitParametric(
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const QwtArray<QwtDoublePoint> &) const;
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#else
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QPolygonF fitSpline(const QPolygonF &) const;
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QPolygonF fitParametric(const QPolygonF &) const;
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#endif
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14 years ago
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15 years ago
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class PrivateData;
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PrivateData *d_data;
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};
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#endif
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