spectrogramplotdata.h

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/*
 * This program 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 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program; if not, see <http://www.gnu.org/licenses/>
 */

#ifndef SPECTROGRAMDATA_H
#define SPECTROGRAMDATA_H

#include "scopes3d/plotdata3d.h"
#include "uavobjects/uavobject.h"
#include "qwt/src/qwt_plot_spectrogram.h"
#include "qwt/src/qwt_matrix_raster_data.h"

#include <QTimer>
#include <QTime>
#include <QVector>

#include "ffft/FFTReal.h"

class SpectrogramData : public Plot3dData
{
    Q_OBJECT
public:
    SpectrogramData(QString uavObject, QString uavField, double samplingFrequency,
                    unsigned int windowWidth, double timeHorizon);
    ~SpectrogramData() {}

    bool append(UAVObject *obj);

    virtual void removeStaleData() {}

    double readAndResetAutoscaleValue()
    {
        double tmpVal = autoscaleValueUpdated;
        autoscaleValueUpdated = 0;
        return tmpVal;
    }

    virtual void plotNewData(PlotData *, ScopeConfig *, ScopeGadgetWidget *);
    virtual void deletePlots(PlotData *);
    virtual void setXMaximum(double val);
    virtual void setYMaximum(double val);
    virtual void setZMaximum(double val);
    void clearPlots();

    QwtMatrixRasterData *getRasterData() { return rasterData; }
    void setSpectrogram(QwtPlotSpectrogram *val) { spectrogram = val; }

private:
    void resetAxisRanges();

    QwtPlotSpectrogram *spectrogram;
    QwtMatrixRasterData *rasterData;

    double samplingFrequency;
    double timeHorizon;
    unsigned int windowWidth;
    double autoscaleValueUpdated;
    ffft::FFTReal<double> *fft_object;
    QVector<double> plotData;
    int lastInstanceIndex;
};

#endif // SPECTROGRAMDATA_H