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package org.distorted.library;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* This interface lets users of the Distorted library get notified when something happens to one of the effects.
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* To receive the notifications, we first have to register with a call to {@link DistortedBitmap#addEventListener(EffectListener)}.
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* List of all possible events that can happen is defined in {@link EffectMessage}
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*/
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public interface EffectListener
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{
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/**
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* Gets called when event of type 'em' happens to effect 'effectID'.
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*
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* @param eventMessage Type of event that happened.
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* @param effectID ID of the effect the event happened to. This ID must have been previously returned by one
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* of the DistortedBitmap.{deform,distort,move,...} functions.
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* @param effectType Type of the effect as defined in EffectNames, e.g. if effectType==EffectNames.MOVE.ordinal(),
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* then the event happened to a MOVE effect.
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* @param bitmapID the ID of the DistortedBitmap object, as returned by {@link DistortedBitmap#getID()}, this event
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* happened to. If the object has been created using a copy constructor from another instance of
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* DistortedBitmap, the ID here will be the one of the original object.
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*
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* @see EffectMessage
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* @see EffectNames
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*/
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void effectMessage(EffectMessage eventMessage, long effectID, int effectType, long bitmapID);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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