this post was submitted on 23 Nov 2023
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Has anyone C code to filter frames to 1bit color depth approximation? (fed.dyne.org)
submitted 11 months ago by jaromil@fed.dyne.org to c/retrocomputing@lemmy.sdf.org
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[–] jaromil@fed.dyne.org 3 points 11 months ago (2 children)

yes I'm looking for C algorithms for that. I just searched for "1bit old-school image"

[–] mrkite@programming.dev 3 points 11 months ago

Search for Floyd Steinberg dithering. That's the algorithm used by a lot of classic Mac software.

[–] GrappleHat@lemmy.ml 2 points 11 months ago

This web utility seems like exactly what you're describing. I think this was a small app someone made for themselves while developing a game for Playdate. The source might be available on their Github. If not they seem friendly, you could ask for it.