UBB.threads WIP Forums Testing Section Test Section [TEST] iPhone image rotation by exif data

The images in this set of three posts were taken by an iPhone.


UBB.threads 7.7.2 and older
Without JPEG image orientation fixes

IMAGE 1 ORIENTATION with GD2
Firefox: Wrong
Chrome: Wrong
Safari: Wrong
Edge: Wrong.

vs

IMAGE 2 ORIENTATION with ImageMagick
Firefox: Wrong
Chrome: Wrong
Safari: Good, but displays incorrectly in Lightbox viewer because of wrong EXIF data.
Edge: Wrong

This is a demo of the PHP exif_read_data function installed and enabled.
https://www.php.net/manual/en/function.exif-read-data.php


UBB.threads 7.7.3 and newer, with jpeg image orientation fixes

IMAGE 1 ORIENTATION with GD2, function_exists('exif_read_data') = true
Firefox: Good
Chrome: Good
Safari: Good
Edge: Good

vs

IMAGE 2 ORIENTATION with ImageMagick, function_exists('exif_read_data') = true
Firefox: Good
Chrome: Good
Safari: Good
Edge: Good