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EXIF orientation info in PNGs isn't used for image-orientation: from-image

(bugzilla.mozilla.org)
94 points justin-reeves | 1 comments | 21 Nov 25 13:29 UTC | HN request time: 0.231s | source
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qwertyuiop12 ◴[21 Nov 25 21:47 UTC] No.46009369[source]▶
I don’t know “why”. Why the format defines a way to set the orientation instead of set a pixels matrix as it is.
replies(1): >>46010018 #
1. viraptor ◴[21 Nov 25 22:54 UTC] No.46010018[source]▶
It's setting one bit vs transforming each block with potential further loss of precision.