[Digikam-devel] Image Metadata extraction : implementation progress...

[Gilles Caulier]

Le Mardi 28 Février 2006 11:09, Gilles Caulier a écrit :
> Hi all digiKam users/team,
>
> Like you have seen last week, I have started a new implementation of
> metadata viewer using libExiv2 instead the current Exif viewer using
> libkexif.
>
> A fresh screenshot can be seen here :
>
> http://digikam3rdparty.free.fr/Screenshots/digikam0.9.0-alpha6.png
>
> After any days of indeep testing, the implementation is more mature. Like
> you can see in this screenshot, we have :
>
> - A standard Exif metatada viewer.
> - An Exif  Maker Notes viewer
> - An IPTC metadata viewer.
> - Support of CRW metadata (thanks exiv2)
> - Support of Raw profiles embedded (Exif/IPTC) in PNG files built by
> ImageMagick during JPEG -> PNG conversion.
> - Each sidebar tab can be filtered to "Simple" (user friendly: the more
> important for photograph) and to "Full" (all metadata).
> - All metadata groups are more visible than old Exif viewer.
>
> The implementation is based on 2 parts :
>
> -> One metadata extractor witch detect the file type and use a dedicaced
> loader to construct Exiv2 metadata container. Actually JPEG, PNG and CRW
> files are supported. I have planed to do TIFF/DNG files and any others RAW
> files like NEF (Paco if you is interresed (:=)))) and MRW. The
> implementation is similar to Digikam::DImg container (about loader)...
>
> -> A large collection of widgets to display metadata in sidebar.
>
> I will provide a patch against svn in a near future...
>

Here we are a patch against current digikam from svn 'trunk' branch :

http://digikam3rdparty.free.fr/misc.tarballs/metadata.diff

Gilles Caulier