The Old New Thing

Microspeak: Turds

June 5, 2012 Jun 5, 2012 06/5/12

Raymond Chen

In Microspeak, a turd is a graphics glitch which results in old pixels appearing on the screen when they shouldn't. Perhaps they are not being erased properly, or instead of being erased, they move to an unwanted location. The source of the problem could be failing to mark a region for redrawing after something changed, or it could be that the...