bool get_canceled()const { return canceled_; }
bool get_queued()const { return queued; }
bool get_rendering()const { return rendering; }
+#ifdef SINGLE_THREADED
bool get_updating()const;
void stop_updating(bool cancel = false);
+#endif
bool get_full_frame()const { return full_frame; }
//int get_w()const { return w; }
//int get_h()const { return h; }