prolooks/LineGraphDemo.vala

   1 /*
   2     Copyright 2009 by Hans Baier, Krzysztof Foltman
   3     License: LGPLv2+
   4 */
   5
   6 using Gtk;
   7
   8 namespace Prolooks {
   9
  10     class TestFrequencyResponseSource : IHasFrequencyResponse, GLib.Object {
  11         public float freq_gain (int subindex, float freq, float srate) {
  12             return freq / srate;
  13         }
  14         public int   sampling_rate() {
  15             return 44100;
  16         }
  17     }
  18
  19     static int main (string[] args) {
  20         Gtk.init (ref args);
  21         var window = new Window (WindowType.TOPLEVEL);
  22         var graph = new LineGraph ();
  23         var freq_resp_src = new TestFrequencyResponseSource();
  24         var freq_resp_grph_src = new FrequencyResponseGraphSource();
  25         freq_resp_grph_src.freq_response_source = freq_resp_src;
  26         graph.source = freq_resp_grph_src;
  27         window.add (graph);
  28         window.destroy += Gtk.main_quit;
  29         window.show_all ();
  30         Gtk.main ();
  31         return 0;
  32     }
  33 }
  34
  35 } // namespace Prolooks