this post was submitted on 23 Nov 2023
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retrocomputing
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I don't understand the question. Are you looking for a tool which converts images to 1-bit? With dithering to simulate greys?
This art is super cool, btw! Where can I find more?
yes I'm looking for C algorithms for that. I just searched for "1bit old-school image"
Search for Floyd Steinberg dithering. That's the algorithm used by a lot of classic Mac software.
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.