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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_interval.h>
typedef QwtInterval QwtDoubleInterval;
#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&);
#elif QWT_VERSION >= 0x060200
virtual QwtInterval interval(Qt::Axis) const;
void setInterval(Qt::Axis, const QwtInterval&);
#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 const double* getSpectrumDataBuffer() const;
virtual void setSpectrumDataBuffer(const double*);
virtual int getNumLinesToUpdate() const;
virtual void setNumLinesToUpdate(const int);
virtual void incrementNumLinesToUpdate();
protected:
std::vector<double> _spectrumData;
uint64_t _fftPoints;
uint64_t _historyLength;
int _numLinesToUpdate;
#if QWT_VERSION < 0x060000
QwtDoubleInterval _intensityRange;
#else
QwtInterval _intensityRange;
#endif
#if QWT_VERSION >= 0x060200
QwtInterval d_intervals[3];
#endif
private:
};
#endif /* WATERFALL_GLOBAL_DATA_HPP */
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