TileObserver (Java Platform SE 7 )

```
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

Methods
Modifier and Type	Method and Description
`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
```
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.

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Interface TileObserver

Method Summary

Method Detail

tileUpdate