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#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 <highResTimeFunctions.h>
#include <qwt_symbol.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);
public slots:
void resizeSlot( QSize *e );
void SetLowerIntensityLevel(const double);
void SetUpperIntensityLevel(const double);
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;
double* _dataPoints;
double* _xAxisPoints;
double* _minFFTPoints;
double* _maxFFTPoints;
int64_t _numPoints;
double _peakFrequency;
double _peakAmplitude;
double _noiseFloorAmplitude;
timespec _lastReplot;
bool _useCenterFrequencyFlag;
};
#endif /* FREQUENCY_DISPLAY_PLOT_HPP */
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