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Graphics Interchange Format  |  1999-07-12  |  23.0 KB  |  443x198  |  4-bit (16 colors)
   ocr: observers Ooserver Subect attach(Observer) updater: detach/Observer) notityo o: for all o. in observers : o->update0 concreteSubject ConcreteObserver ConcreteSubject geto e return value: updatel)d sei(v)o value valueev process new: value notly0 ConcreteSubject-sgety Farample - 1e Onserer PALGTTE