/usr/include/qwt-qt4/qwt_curve_fitter.h is in libqwt5-qt4-dev 5.2.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 | /* -*- 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 "qwt_double_rect.h"
class QwtSpline;
#if QT_VERSION >= 0x040000
#include <QPolygonF>
#else
#include "qwt_array.h"
#endif
// MOC_SKIP_BEGIN
#if defined(QWT_TEMPLATEDLL)
#if QT_VERSION < 0x040000
#ifndef QWTARRAY_TEMPLATE_QWTDOUBLEPOINT // by mjo3
#define QWTARRAY_TEMPLATE_QWTDOUBLEPOINT
template class QWT_EXPORT QwtArray<QwtDoublePoint>;
#endif //end of QWTARRAY_TEMPLATE_QWTDOUBLEPOINT
#endif
#endif
// MOC_SKIP_END
/*!
\brief Abstract base class for a curve fitter
*/
class QWT_EXPORT QwtCurveFitter
{
public:
virtual ~QwtCurveFitter();
#if QT_VERSION < 0x040000
virtual QwtArray<QwtDoublePoint> fitCurve(
const QwtArray<QwtDoublePoint>&) const = 0;
#else
/*!
Find a curve which has the best fit to a series of data points
\param polygon Series of data points
\return Curve points
*/
virtual QPolygonF fitCurve(const QPolygonF &polygon) const = 0;
#endif
protected:
QwtCurveFitter();
private:
QwtCurveFitter( const QwtCurveFitter & );
QwtCurveFitter &operator=( const QwtCurveFitter & );
};
/*!
\brief A curve fitter using cubic splines
*/
class QWT_EXPORT QwtSplineCurveFitter: public QwtCurveFitter
{
public:
enum FitMode
{
Auto,
Spline,
ParametricSpline
};
QwtSplineCurveFitter();
virtual ~QwtSplineCurveFitter();
void setFitMode(FitMode);
FitMode fitMode() const;
void setSpline(const QwtSpline&);
const QwtSpline &spline() const;
QwtSpline &spline();
void setSplineSize(int size);
int splineSize() const;
#if QT_VERSION < 0x040000
virtual QwtArray<QwtDoublePoint> fitCurve(
const QwtArray<QwtDoublePoint> &) const;
#else
virtual QPolygonF fitCurve(const QPolygonF &) const;
#endif
private:
#if QT_VERSION < 0x040000
QwtArray<QwtDoublePoint> fitSpline(
const QwtArray<QwtDoublePoint> &) const;
QwtArray<QwtDoublePoint> fitParametric(
const QwtArray<QwtDoublePoint> &) const;
#else
QPolygonF fitSpline(const QPolygonF &) const;
QPolygonF fitParametric(const QPolygonF &) const;
#endif
class PrivateData;
PrivateData *d_data;
};
#endif
|