README change

1 files changed, 127 insertions, 0 deletions

diff --git a/gr-qtgui/lib/WaterfallDisplayPlot.h b/gr-qtgui/lib/WaterfallDisplayPlot.h
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+++ b/gr-qtgui/lib/WaterfallDisplayPlot.h
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+/* -*- c++ -*- */
+/*
+ * Copyright 2008,2009,2010,2011 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 WATERFALL_DISPLAY_PLOT_HPP
+#define WATERFALL_DISPLAY_PLOT_HPP
+
+#include <stdint.h>
+#include <cstdio>
+#include <qwt_plot.h>
+#include <qwt_plot_spectrogram.h>
+#include <qwt_plot_zoomer.h>
+#include <qwt_plot_panner.h>
+#include <qtgui_util.h>
+#include <waterfallGlobalData.h>
+
+#include <gruel/high_res_timer.h>
+
+#if QWT_VERSION < 0x060000
+#include <plot_waterfall.h>
+#else
+#include <qwt_compat.h>
+#endif
+
+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 gruel::high_res_timer_type 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;
+
+  enum{
+    INTENSITY_COLOR_MAP_TYPE_MULTI_COLOR = 0,
+    INTENSITY_COLOR_MAP_TYPE_WHITE_HOT = 1,
+    INTENSITY_COLOR_MAP_TYPE_BLACK_HOT = 2,
+    INTENSITY_COLOR_MAP_TYPE_INCANDESCENT = 3,
+    INTENSITY_COLOR_MAP_TYPE_USER_DEFINED = 4
+  };
+
+public slots:
+  void resizeSlot( QSize *s );
+
+  // Because of the preprocessing of slots in QT, these are no
+  // easily separated by the version check. Make one for each
+  // version until it's worked out.
+  void OnPickerPointSelected(const QwtDoublePoint & p);
+  void OnPickerPointSelected6(const QPointF & p);
+
+signals:
+  void UpdatedLowerIntensityLevel(const double);
+  void UpdatedUpperIntensityLevel(const double);
+  void plotPointSelected(const QPointF p);
+
+protected:
+
+private:
+  void _UpdateIntensityRangeDisplay();
+
+  double _startFrequency;
+  double _stopFrequency;
+  int    _xAxisMultiplier;
+
+  QwtPlotPanner* _panner;
+  QwtPlotZoomer* _zoomer;
+
+  QwtDblClickPlotPicker *_picker;
+
+  WaterfallData *d_data;
+
+#if QWT_VERSION < 0x060000
+  PlotWaterfall *d_spectrogram;
+#else
+  QwtPlotSpectrogram *d_spectrogram;
+#endif
+
+  gruel::high_res_timer_type _lastReplot;
+
+  bool _useCenterFrequencyFlag;
+
+  int64_t _numPoints;
+
+  int _intensityColorMapType;
+  QColor _userDefinedLowIntensityColor;
+  QColor _userDefinedHighIntensityColor;
+};
+
+#endif /* WATERFALL_DISPLAY_PLOT_HPP */