waterfallGlobalData.h

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/* -*- c++ -*- */
/*
 * Copyright 2012 Free Software Foundation, Inc.
 *
 * This file is part of GNU Radio
 *
 * SPDX-License-Identifier: GPL-3.0-or-later
 *
 */
 
#ifndef WATERFALL_GLOBAL_DATA_HPP
#define WATERFALL_GLOBAL_DATA_HPP
 
#include <qwt_raster_data.h>
#include <cinttypes>
 
#if QWT_VERSION >= 0x060000
#include <qwt_compat.h>
#include <qwt_point_3d.h> // doesn't seem necessary, but is...
#endif
 
class WaterfallData : public QwtRasterData
{
public:
    WaterfallData(const double, const double, const uint64_t, const unsigned int);
    ~WaterfallData() override;
 
    virtual void reset();
    virtual void copy(const WaterfallData*);
 
    virtual void
    resizeData(const double, const double, const uint64_t, const int history = 0);
 
    virtual QwtRasterData* copy() const;
 
#if QWT_VERSION < 0x060000
    virtual QwtDoubleInterval range() const;
    virtual void setRange(const QwtDoubleInterval&);
#endif
 
    double value(double x, double y) const override;
 
    virtual uint64_t getNumFFTPoints() const;
    virtual void addFFTData(const double*, const uint64_t, const int);
 
    virtual double* getSpectrumDataBuffer() const;
    virtual void setSpectrumDataBuffer(const double*);
 
    virtual int getNumLinesToUpdate() const;
    virtual void setNumLinesToUpdate(const int);
    virtual void incrementNumLinesToUpdate();
 
protected:
    double* _spectrumData;
    uint64_t _fftPoints;
    uint64_t _historyLength;
    int _numLinesToUpdate;
 
#if QWT_VERSION < 0x060000
    QwtDoubleInterval _intensityRange;
#else
    QwtInterval _intensityRange;
#endif
 
private:
};
 
#endif /* WATERFALL_GLOBAL_DATA_HPP */