def on_file_quit_activate(self, menuitem):
if self.current_iter is not None:
chunk = self.current_view.save_chunk()
if chunk: self.store.set_value(self.current_iter, 1, chunk)
chunks = []
self.store.foreach(lambda model, path, iter: chunks.append(model.get_value(iter, 1)))
Png(chunks).write(file("test.png", "wb"))
gtk.main_quit()
