akdubya/rack-thumb — pull request #7 by max-power (2012-11-10 22:50:31+00:00)
Title: added size modifier

Hi,

i added the "@2x" size modifier to the regexp.
request for retina images will be processed with the specified multiplier.
e.g. img_50x50@2x.jpg will return a 100x100 pixel img.

also switched the test suite to minutest, which is integrated in ruby 1.9.