/usr/include/qwt/qwt_point_mapper.h is in libqwt-headers 6.1.3-1.
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 | /* -*- 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_POINT_MAPPER_H
#define QWT_POINT_MAPPER_H
#include "qwt_global.h"
#include "qwt_series_data.h"
#include <qimage.h>
class QwtScaleMap;
class QPolygonF;
class QPolygon;
/*!
\brief A helper class for translating a series of points
QwtPointMapper is a collection of methods and optimizations
for translating a series of points into paint device coordinates.
It is used by QwtPlotCurve but might also be useful for
similar plot items displaying a QwtSeriesData<QPointF>.
*/
class QWT_EXPORT QwtPointMapper
{
public:
/*!
\brief Flags affecting the transformation process
\sa setFlag(), setFlags()
*/
enum TransformationFlag
{
//! Round points to integer values
RoundPoints = 0x01,
/*!
Try to remove points, that are translated to the
same position.
*/
WeedOutPoints = 0x02
};
/*!
\brief Flags affecting the transformation process
\sa setFlag(), setFlags()
*/
typedef QFlags<TransformationFlag> TransformationFlags;
QwtPointMapper();
~QwtPointMapper();
void setFlags( TransformationFlags );
TransformationFlags flags() const;
void setFlag( TransformationFlag, bool on = true );
bool testFlag( TransformationFlag ) const;
void setBoundingRect( const QRectF & );
QRectF boundingRect() const;
QPolygonF toPolygonF( const QwtScaleMap &xMap, const QwtScaleMap &yMap,
const QwtSeriesData<QPointF> *series, int from, int to ) const;
QPolygon toPolygon( const QwtScaleMap &xMap, const QwtScaleMap &yMap,
const QwtSeriesData<QPointF> *series, int from, int to ) const;
QPolygon toPoints( const QwtScaleMap &xMap, const QwtScaleMap &yMap,
const QwtSeriesData<QPointF> *series, int from, int to ) const;
QPolygonF toPointsF( const QwtScaleMap &xMap, const QwtScaleMap &yMap,
const QwtSeriesData<QPointF> *series, int from, int to ) const;
QImage toImage( const QwtScaleMap &xMap, const QwtScaleMap &yMap,
const QwtSeriesData<QPointF> *series, int from, int to,
const QPen &, bool antialiased, uint numThreads ) const;
private:
class PrivateData;
PrivateData *d_data;
};
Q_DECLARE_OPERATORS_FOR_FLAGS( QwtPointMapper::TransformationFlags )
#endif
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