# Uses of Package
javax.imageio.event

- Packages that use javax.imageio.event
  Package | Description
  --- | ---
  javax.imageio | The main package of the Java Image I/O API.

- Classes in javax.imageio.event used by javax.imageio
  Class | Description
  --- | ---
  IIOReadProgressListener | An interface used by `ImageReader` implementations to notify callers of their image and thumbnail reading methods of progress.
  IIOReadUpdateListener | An interface used by `ImageReader` implementations to notify callers of their image and thumbnail reading methods of pixel updates.
  IIOReadWarningListener | An interface used by `ImageReader` implementations to notify callers of their image and thumbnail reading methods of warnings (non-fatal errors).
  IIOWriteProgressListener | An interface used by `ImageWriter` implementations to notify callers of their image writing methods of progress.
  IIOWriteWarningListener | An interface used by `ImageWriter` implementations to notify callers of their image and thumbnail reading methods of warnings (non-fatal errors).