The IIOReadProgressListener interface allows for notification of the percentage of an image that has been read successfully.
The IIOReadUpdateListener interface allows for notification of the portions of an image that have been read. This is useful, for example, for implementing dynamic display of an image as it is loaded.
The IIOReadWarningListener interface allows for notification of non-fatal errors during reading.
The IIOWriteWarningListener and IIOWriteProgressListener interfaces perform analogous functions for writers.
| 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). |
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https://docs.oracle.com/en/java/javase/21/docs/api/java.desktop/javax/imageio/event/package-summary.html