问题
Is there any method for per pixel manipulation in the Shoes GUI toolkit? The manual is a tad bit suboptimal.
回答1:
Yep, there is. Most elements accept a :top and :right that let you pick an offset per pixel, and lots of the drawing and shape stuff is per-pixel as well.
来源：https://stackoverflow.com/questions/4981810/shoes-gui-toolkit-per-pixel-manipulation-possible