1 files changed, 86 insertions, 0 deletions
diff --git a/gr-qtgui/src/lib/qtgui_sink_c.h b/gr-qtgui/src/lib/qtgui_sink_c.h
new file mode 100644
index 0000000000..a6bd59f279
--- /dev/null
+++ b/gr-qtgui/src/lib/qtgui_sink_c.h
@@ -0,0 +1,86 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2008 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 INCLUDED_QTGUI_SINK_C_H
+#define INCLUDED_QTGUI_SINK_C_H
+
+#include <gr_block.h>
+#include <gr_firdes.h>
+#include <gri_fft.h>
+#include <qapplication.h>
+#include <qtgui.h>
+#include "SpectrumGUIClass.h"
+
+
+class qtgui_sink_c;
+typedef boost::shared_ptr<qtgui_sink_c> qtgui_sink_c_sptr;
+
+qtgui_sink_c_sptr qtgui_make_sink_c (int fftsize, int wintype,
+				     float fmin=-0.5, float fmax=0.5, const std::string &name="Display");
+
+class qtgui_sink_c : public gr_block
+{
+private:
+  friend qtgui_sink_c_sptr qtgui_make_sink_c (int fftsize, int wintype,
+					      float fmin, float fmax, const std::string &name);
+  qtgui_sink_c (int fftsize, int wintype,
+		float fmin, float fmax, const std::string &name);
+  
+  int d_fftsize;
+  gr_firdes::win_type d_wintype;
+  std::vector<float> d_window;
+  float d_fmin;
+  float d_fmax;
+  std::string d_name;
+  
+  pthread_mutex_t d_pmutex;
+
+  bool d_shift;
+  gri_fft_complex *d_fft;
+  gr_complex *d_fftdata;
+
+  int d_index;
+  gr_complex *d_residbuf;
+
+  SpectrumGUIClass *d_main_gui; 
+
+  void windowreset();
+  void buildwindow();
+  void fftresize();
+  void fft(const gr_complex *data_in, int size, gr_complex *data_out);
+  
+public:
+  ~qtgui_sink_c();
+  void start_app();
+  void lock();
+  void unlock();
+
+  QApplication *d_qApplication
+;
+
+  int general_work (int noutput_items,
+		    gr_vector_int &ninput_items,
+		    gr_vector_const_void_star &input_items,
+		    gr_vector_void_star &output_items);
+};
+
+#endif /* INCLUDED_QTGUI_SINK_C_H */