Java(TM) 2 Platform, Standard Edition, v1.2.2 API Specification: Interface TileObserver - JDK 5 Documentation v1.2.2, Java 2 SDK 英文文档

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Java^TM 2 Platform
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java.awt.image
Interface TileObserver

public interface TileObserver

An interface for objects that wish to be informed when tiles of a WritableRenderedImage become modifiable by some writer via a call to getWritableTile, and when they become unmodifiable via the last call to releaseWritableTile.

See Also:: WritableRenderedImage

Method Summary

void tileUpdate(WritableRenderedImage source, int tileX, int tileY, boolean willBeWritable)
A tile is about to be updated (it is either about to be grabbed for writing, or it is being released from writing).

Method Detail

tileUpdate

public void tileUpdate(WritableRenderedImage source,
                       int tileX,
                       int tileY,
                       boolean willBeWritable)

A tile is about to be updated (it is either about to be grabbed for writing, or it is being released from writing).

Parameters:: source - the image that owns the tile.; tileX - the X index of the tile that is being updated.; tileY - the Y index of the tile that is being updated.; willBeWritable - If true, the tile will be grabbed for writing; otherwise it is being released.