Re: Saving information into exiv

Johannes Zarl-Zierl <[email protected]> Fri, 23 Aug 2019 00:26:05 +0200

Newsgroups	gmane.comp.kde.kimdaba
Message-ID	<6969850.LmCv1EgiK6@johannes-slimbook>

Hi Joan,

Am Donnerstag, 22. August 2019, 18:33:38 CEST schrieb Joan:
> Then, maybe the best way to accomplish what I want would be to add a new
> plugin.
> I would like that the Metadata crated in kphotoalbum was stored in the
> photo exiv field, so I could reuse it on any other program, file explorer,
> etc..
> Where should I start? I have no experience developing in kde

KPhotoAlbum currently supports two plugin types: KIPI plugins and purpose 
plugins.

KIPI was specifically created with support for image metadata in mind, but is 
basically obsolete by now and will be removed from KPhotoAlbum some time in 
the future.

Purpose, is a new plugin system that was created for much simpler needs 
(exporting images to websites). It does not currently support metadata export 
as you would need. The good news though is that purpose plugins can be 
improved to support this use-case.

This means that you need to:
1. Add support for metadata-exports to purpose
2. Write a purpose plugin that exports the data to exif.

If you're still interested I can put you in contact with the purpose 
maintainer and help you along the way (as far as my time allows).

I should also mention that there's a different approach that may work for you: 
You could parse the index.xml file and use a script to write the info to the 
image files (don't forget to recompute the md5 sums in kphotoalbum 
afterwards).

Cheers,
  Johannes

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