The source project of this merge request has been removed.
Add Macintosh filter
This filter implements the dithering used on early Macintosh computers. It doesn't downscale like cga does, since the Macintosh uses a much more organic dithering pattern, making the resolution (at least in my opinion) less important.
This filter is much faster than cga since it doesn't involve either the somewhat slow multiplies (for cga/cga_unscaled) or the very slow CIEDE2000 comparisons (for cga_hq).
Edited by leo60228