4 ms·
Yes, but the algorithm isn't that great... That's what I'm using now
by glimshe 1y ago
Yes, but the algorithm isn't that great... That's what I'm using now
- snvzz 1y ago"Positional" is a single, relatively boring hardcoded pattern, and the other options are Floyd–Steinberg error diffusion. I do agree it would be nice to extend gimp to do all sorts of fancy dithering, and imagine it's just that nobody has put on the work yet.
- kragen 1y agoFloyd–Steinberg is pretty great when your palette has reasonably-close colors.
- snvzz 1y agoIn my own experience playing with dithering, generating a palette is often harder than the dithering itself.
- kragen 1y agoHeckbert's median-cut algorithm usually does a great job. See https://web.cs.wpi.edu/~matt/courses/cs563/talks/color_quant/CQindex.html https://web.cs.wpi.edu/~matt/courses/cs563/talks/color_quant.... There's probably something improved since then, though.