EyeDisplayPlot.h

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/* -*- c++ -*- */
/*
 * Copyright 2020 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 EYE_DISPLAY_PLOT_H
#define EYE_DISPLAY_PLOT_H
 
#include <gnuradio/qtgui/DisplayPlot.h>
#include <gnuradio/tags.h>
#include <stdint.h>
#include <cstdio>
#include <vector>
 
/*!
 * \brief QWidget for displaying eye pattern plots.
 * \ingroup qtgui_blk
 */
class EyeDisplayPlot : public DisplayPlot
{
    Q_OBJECT
 
    Q_PROPERTY(QColor tag_text_color READ getTagTextColor WRITE setTagTextColor)
    Q_PROPERTY(QColor tag_background_color READ getTagBackgroundColor WRITE
                   setTagBackgroundColor)
    Q_PROPERTY(Qt::BrushStyle tag_background_style READ getTagBackgroundStyle WRITE
                   setTagBackgroundStyle)
 
public:
    EyeDisplayPlot(unsigned int nplots, unsigned int curve_index, QWidget* parent);
    virtual ~EyeDisplayPlot();
 
    void plotNewData(const std::vector<double*> dataPoints,
                     const int64_t numDataPoints,
                     int d_sps,
                     const double timeInterval,
                     const std::vector<std::vector<gr::tag_t>>& tags =
                         std::vector<std::vector<gr::tag_t>>());
 
    void replot();
 
    void stemPlot(bool en);
 
    double sampleRate() const;
 
    const QColor getTagTextColor();
    const QColor getTagBackgroundColor();
    const Qt::BrushStyle getTagBackgroundStyle();
    void setLineColor(unsigned int which, QColor color);
    void setLineWidth(unsigned int which, int width);
    void setLineMarker(unsigned int which, QwtSymbol::Style marker);
    void setLineStyle(unsigned int which, Qt::PenStyle style);
    void setMarkerAlpha(unsigned int which, int alpha);
 
public slots:
    void setSampleRate(double sr, double units, const std::string& strunits);
 
    void setAutoScale(bool state);
    void setAutoScaleShot();
 
    void legendEntryChecked(QwtPlotItem* plotItem, bool on);
    void legendEntryChecked(const QVariant& plotItem, bool on, int index);
 
    void enableTagMarker(unsigned int which, bool en);
 
    void setYLabel(const std::string& label, const std::string& unit = "");
 
    void attachTriggerLines(bool en);
    void setTriggerLines(double x, double y);
 
    void setTagTextColor(QColor c);
    void setTagBackgroundColor(QColor c);
    void setTagBackgroundStyle(Qt::BrushStyle b);
 
    void setLineLabel(unsigned int which, QString label);
 
private:
    void _resetXAxisPoints();
    void _autoScale(double bottom, double top);
 
    std::vector<double*> d_ydata;
 
    double* d_xdata;
 
    double d_sample_rate;
 
    unsigned int d_curve_index;
    unsigned int nplots;
    int d_sps;
    unsigned int d_numPointsPerPeriod;
    unsigned int d_numPeriods;
 
    bool d_autoscale_shot;
 
    std::vector<std::vector<QwtPlotMarker*>> d_tag_markers;
    std::vector<bool> d_tag_markers_en;
 
    QList<QColor> colors;
    QColor d_tag_text_color;
    QColor d_tag_background_color;
    Qt::BrushStyle d_tag_background_style;
 
    QwtPlotMarker* d_trigger_lines[2];
};
 
#endif /* EYE_DISPLAY_PLOT_H */