[racket] Opacity of borders in slideshow/pict

From: Jens Axel Søgaard (jensaxel at soegaard.net)
Date: Sun Jun 10 13:10:39 EDT 2012

2012/6/10 Robby Findler <robby at eecs.northwestern.edu>:
> I think it does, actually. What's happening is that it is drawing the
> interior with the specified alpha value and then drawing the border
> with the specified alpha, which means that pixels near the border are
> drawn twice and so appear twice as dark.
> I've just pushed a change so that you can pass the #:draw-border?
> argument to disk and filled-ellipse to avoid drawing the border.


Jens Axel

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