[Digikam-devel] [Bug 220545] Cannot write XMP sidecar files

Jakob Malm jakob.malm at gmail.com
Wed May 5 07:09:19 BST 2010


https://bugs.kde.org/show_bug.cgi?id=220545





--- Comment #16 from Jakob Malm <jakob malm gmail com>  2010-05-05 08:09:14 ---
Just to let you know that I'm still working on this. I have some working code,
but am right now thinking of how to make Exif and IPTC tags be written to the
XMP sidecar. In the KExiv2::save function, before these tags are put in the
Image object, it is checked whether the file has support for them. For XMP
sidecar files, this is not the case and these fields are never set, and hence,
information only found in Exif and IPTC tags are not written to the XMP
sidecar. Perhaps I should just add a check to see if we're using XMP sidecar
and write the fields anyway.

But it may be a question that actually is worth considering more generally.
Can't we let exiv2 handle the issue of whether Exif and IPTC fields can be
written to the file? In the XMP sidecar case, exiv2 will do the conversion.
What about other cases? Will it convert, skip, or produce an error?

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