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109 lines
2.4 KiB
109 lines
2.4 KiB
/* -*- 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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* |
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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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enum FitMode { |
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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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class PrivateData; |
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PrivateData *d_data; |
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}; |
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#endif
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