[racket] problem with get-argb-pixels (or underlying drawing software)

On Nov 28, 2012, at 5:40 PM, Robby Findler wrote:

> I think the first step to understanding this is to operate at the dc% level. That is, make a little program that draws (simpler) shapes, cropped and uncropped, via calls directly to the dc object and see if you can find a minimalist program. Well, that's how I tackle these problems, generally. 

One question about this: how do I examine the dc% to see what's in it? It seems that 'get-pixel' doesn't actually produce the correct values....

John

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