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From "Benedikt Ritter (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (IMAGING-112) JpegIptcRewriter.removeIPTC() does not remove all metadata
Date Wed, 10 Jun 2015 05:32:00 GMT

     [ https://issues.apache.org/jira/browse/IMAGING-112?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Benedikt Ritter resolved IMAGING-112.
-------------------------------------
       Resolution: Fixed
    Fix Version/s:     (was: Review Patch)
                   1.0
         Assignee: Benedikt Ritter

{code}
$ svn ci -m "IMAGING-112: JpegIptcRewriter.removeIPTC() does not remove all metadata. Thanks
to Xavier Dury."
Sending        src/changes/changes.xml
Sending        src/main/java/org/apache/commons/imaging/formats/jpeg/iptc/JpegIptcRewriter.java
Adding         src/test/java/org/apache/commons/imaging/formats/jpeg/iptc/IptcFullDiscardTest.java
Transmitting file data ...
Committed revision 1684562.
{code}

Thank you!

> JpegIptcRewriter.removeIPTC() does not remove all metadata
> ----------------------------------------------------------
>
>                 Key: IMAGING-112
>                 URL: https://issues.apache.org/jira/browse/IMAGING-112
>             Project: Commons Imaging
>          Issue Type: Improvement
>    Affects Versions: 1.0
>            Reporter: Xavier Dury
>            Assignee: Benedikt Ritter
>             Fix For: 1.0
>
>         Attachments: ImageTest.java, imaging-112.patch, patch.txt
>
>
> I'm trying to compute hashes from my images to detect duplicates.
> To do so, I strip every metadata (like keywords I may have added) then compute a CRC32.
> My problem is that JpegIptcRewriter.removeIPTC() does not remove all metadata as there
is always a difference of 18 bytes (containing "Photoshop 3.0").
> So could it be possible to remove those 18 bytes as well in removeIPTC() so that I can
compute hashes?
> Thanks,
> Xavier



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