Picture crop does not handle EXIF

[sagotch]

Trying to upload a jpg with exif info may lead to wrong crop (e.g., the drawn orientation is not the real one). This is easy to see cropping a portrait picture taken from a smartphone.

I did not read the full spec of exif, but I started to try to reimplement exif parsing in https://github.com/exif-js/exif-js with js_of_ocaml for using a canvas and properly handling metadata, but this is not working yet.

(You can see it at https://github.com/sagotch/ocsigen-toolkit/tree/picture-uploader-fixing).

Note: even my ubuntu file browser does not handle exif when previewing images.
Note 2: http://www.daveperrett.com/articles/2012/07/28/exif-orientation-handling-is-a-ghetto/

[dannywillems]

@sagotch Is it fixed?

[sagotch]

Nope...