#ifndef WATERFALL_DISPLAY_PLOT_HPP
#define WATERFALL_DISPLAY_PLOT_HPP

#include <cstdio>
#include <qwt_plot.h>
#include <qwt_plot_zoomer.h>
#include <qwt_plot_panner.h>

#include <plot_waterfall.h>

#include <highResTimeFunctions.h>

class WaterfallDisplayPlot:public QwtPlot{
  Q_OBJECT

public:
  WaterfallDisplayPlot(QWidget*);
  virtual ~WaterfallDisplayPlot();

  void Reset();

  void SetFrequencyRange(const double, const double, 
			 const double, const bool,
			 const double units=1000.0, 
			 const std::string &strunits = "kHz");
  double GetStartFrequency()const;
  double GetStopFrequency()const;

  void PlotNewData(const double* dataPoints, const int64_t numDataPoints,
		   const double timePerFFT, const timespec timestamp,
		   const int droppedFrames);

  void SetIntensityRange(const double minIntensity, const double maxIntensity);

  virtual void replot(void);

  int GetIntensityColorMapType()const;
  void SetIntensityColorMapType( const int, const QColor, const QColor );
  const QColor GetUserDefinedLowIntensityColor()const;
  const QColor GetUserDefinedHighIntensityColor()const;

  static const int INTENSITY_COLOR_MAP_TYPE_MULTI_COLOR = 0;
  static const int INTENSITY_COLOR_MAP_TYPE_WHITE_HOT = 1;
  static const int INTENSITY_COLOR_MAP_TYPE_BLACK_HOT = 2;
  static const int INTENSITY_COLOR_MAP_TYPE_INCANDESCENT = 3;
  static const int INTENSITY_COLOR_MAP_TYPE_USER_DEFINED = 4;

signals:
  void UpdatedLowerIntensityLevel(const double);
  void UpdatedUpperIntensityLevel(const double);

protected:

private:
  void _UpdateIntensityRangeDisplay();

  double _startFrequency;
  double _stopFrequency;

  PlotWaterfall *d_spectrogram;

  QwtPlotPanner* _panner;
  QwtPlotZoomer* _zoomer;

  WaterfallData* _waterfallData;

  timespec _lastReplot;

  int64_t _numPoints;

  double _displayIntervalTime;

  int _intensityColorMapType;
  QColor _userDefinedLowIntensityColor;
  QColor _userDefinedHighIntensityColor;
};

#endif /* WATERFALL_DISPLAY_PLOT_HPP */