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 sample code for java.awt.image.WritableRenderedImage definition code for java.awt.image.WritableRenderedImage

Method Summary
 void tileUpdate sample code for java.awt.image.TileObserver.tileUpdate(java.awt.image.WritableRenderedImage, int, int, boolean) definition code for java.awt.image.TileObserver.tileUpdate(java.awt.image.WritableRenderedImage, int, int, boolean) (WritableRenderedImage sample code for java.awt.image.WritableRenderedImage definition code for java.awt.image.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 sample code for java.awt.image.TileObserver.tileUpdate(java.awt.image.WritableRenderedImage, int, int, boolean) definition code for java.awt.image.TileObserver.tileUpdate(java.awt.image.WritableRenderedImage, int, int, boolean)

void tileUpdate(WritableRenderedImage sample code for java.awt.image.WritableRenderedImage definition code for java.awt.image.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.