Magic kernel resizing

The “magic kernel” is a method of resampling images that gives clear results free of artifacts.

The “magic kernel” is a method of resampling images that gives amazingly clear results (free of “aliasing” artifacts, free of “ringing”, and free of “width beat” for thin features) yet is lightning fast (the simplest version only requires a few integer additions and bit-shifts).
The full method description is available at: https://web.archive.org/web/20170707165835/http://johncostella.webs.com/magic/