FrequencyDisplayPlot.h

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/* -*- c++ -*- */
/*
 * Copyright 2008-2011 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 <gnuradio/qtgui/DisplayPlot.h>
#include <stdint.h>
#include <cstdio>
#include <vector>

/*!
 * \brief QWidget for displaying frequency domain (PSD) plots.
 * \ingroup qtgui_blk
 */
class FrequencyDisplayPlot : public DisplayPlot
{
    Q_OBJECT

    Q_PROPERTY(QColor min_fft_color READ getMinFFTColor WRITE setMinFFTColor)
    Q_PROPERTY(QColor max_fft_color READ getMaxFFTColor WRITE setMaxFFTColor)
    Q_PROPERTY(bool min_fft_visible READ getMinFFTVisible WRITE setMinFFTVisible)
    Q_PROPERTY(bool max_fft_visible READ getMaxFFTVisible WRITE setMaxFFTVisible)
    Q_PROPERTY(QColor marker_lower_intensity_color READ getMarkerLowerIntensityColor WRITE
                   setMarkerLowerIntensityColor)
    Q_PROPERTY(bool marker_lower_intensity_visible READ getMarkerLowerIntensityVisible
                   WRITE setMarkerLowerIntensityVisible)
    Q_PROPERTY(QColor marker_upper_intensity_color READ getMarkerUpperIntensityColor WRITE
                   setMarkerUpperIntensityColor)
    Q_PROPERTY(bool marker_upper_intensity_visible READ getMarkerUpperIntensityVisible
                   WRITE setMarkerUpperIntensityVisible)
    Q_PROPERTY(QColor marker_peak_amplitude_color READ getMarkerPeakAmplitudeColor WRITE
                   setMarkerPeakAmplitudeColor)
    Q_PROPERTY(
        QColor marker_noise_floor_amplitude_color READ getMarkerNoiseFloorAmplitudeColor
            WRITE setMarkerNoiseFloorAmplitudeColor)
    Q_PROPERTY(
        bool marker_noise_floor_amplitude_visible READ getMarkerNoiseFloorAmplitudeVisible
            WRITE setMarkerNoiseFloorAmplitudeVisible)
    Q_PROPERTY(QColor marker_CF_color READ getMarkerCFColor WRITE setMarkerCFColor)

public:
    FrequencyDisplayPlot(int nplots, QWidget*);
    virtual ~FrequencyDisplayPlot();

    void setFrequencyRange(const double,
                           const double,
                           const double units = 1000.0,
                           const std::string& strunits = "kHz");
    double getStartFrequency() const;
    double getStopFrequency() const;

    void plotNewData(const std::vector<double*> dataPoints,
                     const int64_t numDataPoints,
                     const double noiseFloorAmplitude,
                     const double peakFrequency,
                     const double peakAmplitude,
                     const double timeInterval);

    // Old method to be removed
    void plotNewData(const double* dataPoints,
                     const int64_t numDataPoints,
                     const double noiseFloorAmplitude,
                     const double peakFrequency,
                     const double peakAmplitude,
                     const double timeInterval);

    void replot();

    void setYaxis(double min, double max);
    double getYMin() const;
    double getYMax() const;

    void setTraceColour(QColor);
    void setBGColour(QColor c);
    void showCFMarker(const bool);

    const bool getMaxFFTVisible() const;
    const bool getMinFFTVisible() const;
    const QColor getMinFFTColor() const;
    const QColor getMaxFFTColor() const;
    const QColor getMarkerLowerIntensityColor() const;
    const bool getMarkerLowerIntensityVisible() const;
    const QColor getMarkerUpperIntensityColor() const;
    const bool getMarkerUpperIntensityVisible() const;
    const QColor getMarkerPeakAmplitudeColor() const;
    const bool getMarkerNoiseFloorAmplitudeVisible() const;
    const QColor getMarkerNoiseFloorAmplitudeColor() const;
    const QColor getMarkerCFColor() const;

public slots:
    void setMaxFFTVisible(const bool);
    void setMinFFTVisible(const bool);
    void setMinFFTColor(QColor c);
    void setMaxFFTColor(QColor c);
    void setMarkerLowerIntensityColor(QColor c);
    void setMarkerLowerIntensityVisible(bool visible);
    void setMarkerUpperIntensityColor(QColor c);
    void setMarkerUpperIntensityVisible(bool visible);
    void setMarkerPeakAmplitudeColor(QColor c);
    void setMarkerNoiseFloorAmplitudeVisible(bool visible);
    void setMarkerNoiseFloorAmplitudeColor(QColor c);
    void setMarkerCFColor(QColor c);

    void setLowerIntensityLevel(const double);
    void setUpperIntensityLevel(const double);

    void onPickerPointSelected(const QwtDoublePoint& p);
    void onPickerPointSelected6(const QPointF& p);

    void setAutoScale(bool state);
    void setAutoScaleShot();

    void setPlotPosHalf(bool half);

    void setYLabel(const std::string& label, const std::string& unit);

    void clearMaxData();
    void clearMinData();

    void attachTriggerLine(bool en);
    void setTriggerLine(double value);

private:
    void _resetXAxisPoints();
    void _autoScale(double bottom, double top);

    std::vector<double*> d_ydata;

    QwtPlotCurve* d_min_fft_plot_curve;
    QwtPlotCurve* d_max_fft_plot_curve;
    QColor d_min_fft_color;
    bool d_min_fft_visible;
    QColor d_max_fft_color;
    bool d_max_fft_visible;
    QColor d_marker_lower_intensity_color;
    bool d_marker_lower_intensity_visible;
    QColor d_marker_upper_intensity_color;
    bool d_marker_upper_intensity_visible;
    QColor d_marker_peak_amplitude_color;
    QColor d_marker_noise_floor_amplitude_color;
    bool d_marker_noise_floor_amplitude_visible;
    QColor d_marker_cf_color;

    double d_start_frequency;
    double d_stop_frequency;
    double d_center_frequency;
    double d_ymax;
    double d_ymin;
    bool d_half_freq;

    QwtPlotMarker* d_lower_intensity_marker;
    QwtPlotMarker* d_upper_intensity_marker;

    QwtPlotMarker* d_marker_peak_amplitude;
    QwtPlotMarker* d_marker_noise_floor_amplitude;
    QwtPlotMarker* d_marker_cf;

    double* d_xdata;
    int d_xdata_multiplier;

    double* d_min_fft_data;
    double* d_max_fft_data;

    double d_peak_frequency;
    double d_peak_amplitude;

    double d_noise_floor_amplitude;

    bool d_autoscale_shot;

    QwtPlotMarker* d_trigger_line;
};

#endif /* FREQUENCY_DISPLAY_PLOT_HPP */