Treatise on Font Rasterisation
freddie.witherden.org/pages/font-rasterisation
From the page
Saved with the link. Notes from 2007 to 2016 are mostly the page's own words, so this is probably an excerpt.
Font rasterisation is, in the authors opinion, one of the most interesting fields of computer science. If music is the subjective application of physics, then font rasterisation is almost certainly the subjective application of computer science. The purpose of this article is threefold: firstly, to provide an introduction into the various methods available to aid in the rasterisation process; secondly, to provide a critical analysis of these methods against the needs of desktop applications; and finally, to relate this analysis to free software.