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/* -*- c++ -*- */
/*
* Copyright 2008,2009,2010,2011 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 FREQUENCY_DISPLAY_PLOT_HPP
#define FREQUENCY_DISPLAY_PLOT_HPP
#include <stdint.h>
#include <cstdio>
#include <qwt_plot.h>
#include <qwt_painter.h>
#include <qwt_plot_canvas.h>
#include <qwt_plot_curve.h>
#include <qwt_scale_engine.h>
#include <qwt_scale_widget.h>
#include <qwt_plot_zoomer.h>
#include <qwt_plot_panner.h>
#include <qwt_plot_marker.h>
#include <qwt_plot_magnifier.h>
#include <gruel/high_res_timer.h>
#include <qwt_symbol.h>
#include <qtgui_util.h>
class FrequencyDisplayPlot:public QwtPlot{
Q_OBJECT
public:
FrequencyDisplayPlot(QWidget*);
virtual ~FrequencyDisplayPlot();
void SetFrequencyRange(const double, const double,
const double, const bool,
const double units=1000.0,
const std::string &strunits = "kHz");
double GetStartFrequency()const;
double GetStopFrequency()const;
void PlotNewData(const double* dataPoints, const int64_t numDataPoints,
const double noiseFloorAmplitude, const double peakFrequency,
const double peakAmplitude, const double timeInterval);
void ClearMaxData();
void ClearMinData();
void SetMaxFFTVisible(const bool);
void SetMinFFTVisible(const bool);
virtual void replot();
void set_yaxis(double min, double max);
void SetTraceColour (QColor);
void SetBGColour (QColor c);
void ShowCFMarker (const bool);
public slots:
void resizeSlot( QSize *e );
void SetLowerIntensityLevel(const double);
void SetUpperIntensityLevel(const double);
void OnPickerPointSelected(const QwtDoublePoint & p);
signals:
void plotPointSelected(const QPointF p);
protected:
private:
void _resetXAxisPoints();
double _startFrequency;
double _stopFrequency;
double _maxYAxis;
double _minYAxis;
QwtPlotCurve* _fft_plot_curve;
QwtPlotCurve* _min_fft_plot_curve;
QwtPlotCurve* _max_fft_plot_curve;
QwtPlotMarker* _lower_intensity_marker;
QwtPlotMarker* _upper_intensity_marker;
QwtPlotPanner* _panner;
QwtPlotZoomer* _zoomer;
QwtPlotMarker *_markerPeakAmplitude;
QwtPlotMarker *_markerNoiseFloorAmplitude;
QwtPlotMarker *_markerCF;
QwtDblClickPlotPicker *_picker;
QwtPlotMagnifier *_magnifier;
double* _dataPoints;
double* _xAxisPoints;
int _xAxisMultiplier;
double* _minFFTPoints;
double* _maxFFTPoints;
int64_t _numPoints;
double _peakFrequency;
double _peakAmplitude;
double _noiseFloorAmplitude;
gruel::high_res_timer_type _lastReplot;
bool _useCenterFrequencyFlag;
};
#endif /* FREQUENCY_DISPLAY_PLOT_HPP */
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