/usr/include/qwt-qt4/qwt_data.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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 | /* -*- 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
*****************************************************************************/
// vim: expandtab
#ifndef QWT_DATA_H
#define QWT_DATA_H 1
#include "qwt_global.h"
#include "qwt_array.h"
#include "qwt_double_rect.h"
#if QT_VERSION >= 0x040000
#include <QPolygonF>
#endif
// MOC_SKIP_BEGIN
#if defined(QWT_TEMPLATEDLL)
template class QWT_EXPORT QwtArray<double>;
#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 QwtData defines an interface to any type of curve data.
Classes, derived from QwtData may:
- store the data in almost any type of container
- calculate the data on the fly instead of storing it
*/
class QWT_EXPORT QwtData
{
public:
QwtData();
virtual ~QwtData();
//! \return Pointer to a copy (virtual copy constructor)
virtual QwtData *copy() const = 0;
//! \return Size of the data set
virtual size_t size() const = 0;
/*!
Return the x value of data point i
\param i Index
\return x X value of data point i
*/
virtual double x(size_t i) const = 0;
/*!
Return the y value of data point i
\param i Index
\return y Y value of data point i
*/
virtual double y(size_t i) const = 0;
virtual QwtDoubleRect boundingRect() const;
protected:
/*!
Assignment operator (virtualized)
*/
QwtData &operator=(const QwtData &);
};
/*!
\brief Data class containing a single QwtArray<QwtDoublePoint> object.
*/
class QWT_EXPORT QwtPolygonFData: public QwtData
{
public:
#if QT_VERSION < 0x040000
QwtPolygonFData(const QwtArray<QwtDoublePoint> &);
#else
QwtPolygonFData(const QPolygonF &);
#endif
QwtPolygonFData &operator=(const QwtPolygonFData &);
virtual QwtData *copy() const;
virtual size_t size() const;
virtual double x(size_t i) const;
virtual double y(size_t i) const;
#if QT_VERSION < 0x040000
const QwtArray<QwtDoublePoint> &data() const;
#else
const QPolygonF &data() const;
#endif
private:
#if QT_VERSION < 0x040000
QwtArray<QwtDoublePoint> d_data;
#else
QPolygonF d_data;
#endif
};
/*!
\brief Data class containing two QwtArray<double> objects.
*/
class QWT_EXPORT QwtArrayData: public QwtData
{
public:
QwtArrayData(const QwtArray<double> &x, const QwtArray<double> &y);
QwtArrayData(const double *x, const double *y, size_t size);
QwtArrayData &operator=(const QwtArrayData &);
virtual QwtData *copy() const;
virtual size_t size() const;
virtual double x(size_t i) const;
virtual double y(size_t i) const;
const QwtArray<double> &xData() const;
const QwtArray<double> &yData() const;
virtual QwtDoubleRect boundingRect() const;
private:
QwtArray<double> d_x;
QwtArray<double> d_y;
};
/*!
\brief Data class containing two pointers to memory blocks of doubles.
*/
class QWT_EXPORT QwtCPointerData: public QwtData
{
public:
QwtCPointerData(const double *x, const double *y, size_t size);
QwtCPointerData &operator=(const QwtCPointerData &);
virtual QwtData *copy() const;
virtual size_t size() const;
virtual double x(size_t i) const;
virtual double y(size_t i) const;
const double *xData() const;
const double *yData() const;
virtual QwtDoubleRect boundingRect() const;
private:
const double *d_x;
const double *d_y;
size_t d_size;
};
#endif // !QWT_DATA
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