/* GfxCanvas::onAnnouncement * Called when an announcement is recieved from the image that this * GfxCanvas is displaying *******************************************************************/ void GfxCanvas::onAnnouncement(Announcer* announcer, string event_name, MemChunk& event_data) { if (announcer == image && event_name.Cmp("image_changed") == 0) update_texture = true; }