/usr/include/gnuradio/qtgui/plot_raster.h is in gnuradio-dev 3.7.9.1-2ubuntu1.
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 | /* -*- c++ -*- */
/*
 * Copyright 2012,2013 Free Software Foundation, Inc.
 *
 * This file is part of GNU Radio
 *
 * GNU Radio is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3, or (at your option)
 * any later version.
 *
 * GNU Radio is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with GNU Radio; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street,
 * Boston, MA 02110-1301, USA.
 */
#ifndef PLOT_TIMERASTER_H
#define PLOT_TIMERASTER_H
#include <qglobal.h>
#include <gnuradio/qtgui/timeRasterGlobalData.h>
#include <qwt_plot_rasteritem.h>
#if QWT_VERSION >= 0x060000
#include <qwt_point_3d.h>  // doesn't seem necessary, but is...
#include <qwt_compat.h>
#endif
class QwtColorMap;
/*!
 * \brief A plot item, which displays a time raster.
 * \ingroup qtgui_blk
 *
 * \details
 * A time raster displays threedimenional data, where the 3rd dimension
 * (the intensity) is displayed using colors. The colors are calculated
 * from the values using a color map.
 *
 * \sa QwtRasterData, QwtColorMap
 */
class PlotTimeRaster: public QwtPlotRasterItem
{
public:
    explicit PlotTimeRaster(const QString &title = QString::null);
    virtual ~PlotTimeRaster();
    const TimeRasterData* data()const;
    void setData(TimeRasterData *data);
    void setColorMap(const QwtColorMap *map);
    const QwtColorMap &colorMap() const;
#if QWT_VERSION < 0x060000
    virtual QwtDoubleRect boundingRect() const;
    virtual QSize rasterHint(const QwtDoubleRect &) const;
    virtual QwtDoubleInterval interval(Qt::Axis ax) const;
#else
    virtual QwtInterval interval(Qt::Axis ax) const;
#endif
    virtual int rtti() const;
    virtual void draw(QPainter *p,
		      const QwtScaleMap &xMap,
		      const QwtScaleMap &yMap,
		      const QRect &rect) const;
protected:
#if QWT_VERSION < 0x060000
    QImage renderImage(const QwtScaleMap &xMap,
		       const QwtScaleMap &yMap,
		       const QwtDoubleRect &rect) const;
#else
    QImage renderImage(const QwtScaleMap &xMap,
		       const QwtScaleMap &yMap,
		       const QRectF &rect,
		       const QSize &size=QSize(0,0)) const;
#endif
private:
    class PrivateData;
    PrivateData *d_data;
};
#endif
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