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Posted to issues@commons.apache.org by "Henry Qin (Jira)" <ji...@apache.org> on 2022/06/09 06:26:00 UTC

[jira] [Created] (IMAGING-336) Allow editing GIF metadata without re-encoding

Henry Qin created IMAGING-336:
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             Summary: Allow editing GIF metadata without re-encoding
                 Key: IMAGING-336
                 URL: https://issues.apache.org/jira/browse/IMAGING-336
             Project: Commons Imaging
          Issue Type: Improvement
          Components: Format: GIF
            Reporter: Henry Qin


Today, if we try to remove or change metadata in GIF images and then convert the GIF back into a bytes, it causes a re-encoding of the entire GIF, which can increase its file size.

I think it would helpful if there was a way to edit or remove metadata on a GIF without reencoding the other blocks. This should guarantee that GIFs cannot grow after removing metadata.

If the maintainers of this project feel like this is a worthwhile improvement and are willing to do a new minor release when it's done, I'm interested in helping to bring this functionality into the library.



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