When using the Zoom function of Compiz, the zoomed-in pixels are anti-aliased (smoothed), which I guess is helpful for accessibility, however I want to actually see an accurate representation of the pixels (for graphic design purposes). Is there a way to disable the anti-alias feature?
Which zoom plugin are you using?
Only 1 of them has options for linear filtering, so if you are using the Zoom Desktop plugin, disable Linear filter. You'll need CCSM for this
Also make sure Bicubic filter is not enabled
From this confirmed bug-report:
This answer currently does not apply to 12.04 or later.