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All the Perl that's Practical to Extract and Report

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  • Is iPhoto's storage format known? I read somewhere that starting with Keynote (and following up on the preferences and stuff), Apple was to use XML as the storage format for an increasing number of its apps. Not to over-pitch XML (especially as Keynote's format could be much improved upon, notably by using SVG instead of copying it) but it would make export trivial, could be used directly in AxKit's image gallery, would allow one to search for pics using Find::File::Rule::XPath, etc.

    robin, who's to

    --

    -- Robin Berjon [berjon.com]

    • It looks like most, but not all, of the info I need is in AlbumData.xml, including a list of all the images, with title, date, filename, comment, and unique iPhoto ID.

      It does not include heigh/width, though, which is important for my use; however, I could get all the info from the XML and from there query iPhoto via Apple events for the dimensions. Actually, what I really need is not dimensions, but degrees of clockwise rotation. It looks like iPhoto does not store that information at all, or at least no
      • Is there any chance that the rotation would be in the EXIF data? There's a field for orientation [perl.org] so there could well be more info.

        For my needs I don't mind throwing in a small SAX filter to add the dimensions, it's cool to know that it's XML so that I can think about building drop in apps for AxKit and that kind of stuff I use. Thanks for the info, hopefully I'll have my iBook soon enough to play with that kind of stuff :)

        --

        -- Robin Berjon [berjon.com]

        • A good idea, but apparently not.

          $ exifdump ./iPhoto\ Library/2001/07/23/Originals/DSCN0357.JPG | grep Orientation
          Orientation -> top_left
          $ exifdump ./iPhoto\ Library/2001/07/23/DSCN0357.JPG | grep Orientation
          Orientation -> [top_left,top_left]
          $ exifdump ./iPhoto\ Library/2001/07/23/Thumbs/10.jpg | grep Orientation

          So even in iPhoto's copy of this image, which was flipped upside down in iPhoto, the orientation remains unchanged in the EXIF data (for some value of "unchanged" ... it rewrites the EXIF dat