1 files changed, 81 insertions, 0 deletions
diff --git a/gr-qtgui/include/qtgui/waterfallGlobalData.h b/gr-qtgui/include/qtgui/waterfallGlobalData.h
new file mode 100644
index 0000000000..8ab9590d0b
--- /dev/null
+++ b/gr-qtgui/include/qtgui/waterfallGlobalData.h
@@ -0,0 +1,81 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2012 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_GLOBAL_DATA_HPP
+#define WATERFALL_GLOBAL_DATA_HPP
+
+#include <qwt_raster_data.h>
+#include <inttypes.h>
+
+#if QWT_VERSION >= 0x060000
+#include <qwt_point_3d.h>  // doesn't seem necessary, but is...
+#include <qwt_compat.h>
+#endif
+
+class WaterfallData: public QwtRasterData
+{
+public:
+  WaterfallData(const double, const double, const uint64_t, const unsigned int);
+  virtual ~WaterfallData();
+
+  virtual void reset();
+  virtual void copy(const WaterfallData*);
+
+  virtual void resizeData(const double, const double, const uint64_t);
+
+  virtual QwtRasterData *copy() const;
+
+#if QWT_VERSION < 0x060000
+  virtual QwtDoubleInterval range() const;
+  virtual void setRange(const QwtDoubleInterval&);
+#endif
+
+  virtual double value(double x, double y) const;
+
+  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 */