I also played around with Cocoa Script “shaders” for shape graphics in Acorn. This won’t ship in 4.4 (or maybe ever?), but it was fun to code up and might be something awesome some day. How it works is a little hard to explain, but I'll try. Basically, instead of a rectangle having just a stroke and a fill when it draws, it will call a snippet of Cocoa Script code in place of the normal drawing routines. That snippet of code then has access to a bunch of libraries, and can do whatever it wants in the context it is drawing into.
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