GNU Radio 3.7.1-34 C++ API
plot_waterfall.h
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/* -*- c++ -*- */
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/*
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* Copyright 2008-2012 Free Software Foundation, Inc.
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*
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* This file is part of GNU Radio
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*
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* GNU Radio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* GNU Radio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Radio; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef PLOT_WATERFALL_H
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#define PLOT_WATERFALL_H
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#include <qglobal.h>
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#include <
gnuradio/qtgui/waterfallGlobalData.h
>
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#include <qwt_plot_rasteritem.h>
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#if QWT_VERSION >= 0x060000
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#include <qwt_point_3d.h>
// doesn't seem necessary, but is...
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#include <qwt_compat.h>
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#endif
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class
QwtColorMap;
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/*!
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* \brief A plot item, which displays a waterfall spectrogram
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* \ingroup qtgui_blk
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*
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* \details
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* A waterfall displays threedimenional data, where the 3rd dimension
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* (the intensity) is displayed using colors. The colors are calculated
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* from the values using a color map.
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*
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* \sa QwtRasterData, QwtColorMap
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*/
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class
PlotWaterfall
:
public
QwtPlotRasterItem
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{
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public
:
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explicit
PlotWaterfall
(
WaterfallData
*
data
,
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const
QString &title = QString::null);
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virtual
~PlotWaterfall
();
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const
WaterfallData
*
data
()
const
;
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void
setColorMap
(
const
QwtColorMap &);
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const
QwtColorMap &
colorMap
()
const
;
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#if QWT_VERSION < 0x060000
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virtual
QwtDoubleRect
boundingRect
()
const
;
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virtual
QSize
rasterHint
(
const
QwtDoubleRect &)
const
;
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#endif
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virtual
int
rtti
()
const
;
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virtual
void
draw
(QPainter *p,
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const
QwtScaleMap &xMap,
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const
QwtScaleMap &yMap,
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const
QRect &rect)
const
;
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protected
:
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#if QWT_VERSION < 0x060000
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QImage
renderImage
(
const
QwtScaleMap &xMap,
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const
QwtScaleMap &yMap,
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const
QwtDoubleRect &rect)
const
;
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#else
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QImage
renderImage
(
const
QwtScaleMap &xMap,
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const
QwtScaleMap &yMap,
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const
QRectF &rect,
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const
QSize &size=QSize(0,0))
const
;
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#endif
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private
:
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class
PrivateData;
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PrivateData *d_data;
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};
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#endif
gnuradio
gr-qtgui
include
gnuradio
qtgui
plot_waterfall.h
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