Callback


public interface AnimatedImageCompositor.Callback

Callback for caching.

Method Summary

Modifier and Type	Method	Description
`abstract void`	`onIntermediateResult(int frameNumber, Bitmap bitmap)`	Called from within renderFrame to let the caller know that while trying generate therequested frame, an earlier frame was generated.
`abstract CloseableReference<Bitmap>`	`getCachedBitmap(int frameNumber)`	Called from within renderFrame to ask the caller for a cached bitmap for thespecified frame number.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - onIntermediateResult
```
 abstract void onIntermediateResult(int frameNumber, Bitmap bitmap)
```
    Called from within renderFrame to let the caller know that while trying generate therequested frame, an earlier frame was generated. This allows the caller to optionally cachethe intermediate result. The caller must copy the Bitmap if it wishes to cache it as will continue using it generate the requested frame.
    
    Parameters:
    
    frameNumber - the frame number of the intermediate result
    
    bitmap - the bitmap which must not be modified or directly cached
  - getCachedBitmap
```
@Nullable() abstract CloseableReference<Bitmap> getCachedBitmap(int frameNumber)
```
    Called from within renderFrame to ask the caller for a cached bitmap for thespecified frame number. If the caller has the bitmap cached, it can greatly reduce the workrequired to render the requested frame.
    
    Parameters:
    
    frameNumber - the frame number to get