[Gambas-user] Is exif Orientation obtainable without any exif libs/commands?

Fabien Bodard gambas.fr at gmail.com
Wed Dec 7 22:07:16 CET 2022

Le mer. 7 déc. 2022 à 12:45, Bruce Steers <bsteers4 at gmail.com> a écrit :

> I did try it Fab it's er, Fab :)
> Looks awesome but i think i will have to carry on down this exif path for
> now.
> The core of what i am doing is making something to help my girlfriend sort
> through her 6x 4tb hard drives that are FULL of many years worth of badly
> organized and many duplicates phone camera pictures. :-\
> exif seems to have all that's needed if i can figure an interface.
> the fact the jpeg files may contain their own ready made thumbnails seems
> a real bonus that can be utilized.
> But that's just a secondary function that will speed up viewing previews.
> Your function does seem pretty cool but (of course) it has to generate the
> thumbnails the first run and on some of her huge folders it took quite a
> while so i would want to utilize Task.class or something like fileview does
> to load thumbnails in the background.
> But..
> I need more, I also want a function to rotate pictures to their correct
> orientation, not just for the preview but the actual image on the disk so i
> need a bit more than thumbnail generation. Also date info/etc may be useful.
> i think I'm going to continue with trying to read/write the exif data as I
> think it could be pretty good if i can extract it's own thumbnails quicker.
> plus there's other info in the exif that could be useful for a photo
> organiser
> Much respect.
> BruceS

 it's an interesting work 🙂.

> You need to work on the jpeg file structure or use an external tool to
extract all that datas.

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