Here is a controller I wrote that spits out rounded corners. It utilizes RMagick and operates nearly identical (width and height limited to 256) to the Google implementation as discovered by xach on LiveJournal.

You can see it below (or see it in action), or grab it from here: http://furui.org/tools_controller.rb

If you use it or see it in the wild, post a comment here. Thanks!

Read the rest of this entry »