[plt-scheme] 2htdp/image questions

On Thu, Apr 22, 2010 at 02:08:21PM -0400, Stephen Bloch wrote:
> 
> On Apr 22, 2010, at 10:54 AM, Matthias Felleisen wrote:
> 
> > 
> > 
> >> ; INSERT HI-RES IMAGE HERE ********
> >> ;; I used a 1200x900 cut-n-paste of a digicam photo via MS Paint
> >> (define HI-RES {text "Insert large bitmap here" 20 "black"})
> > 
> > 
> > Yes, a 1200 x 900 photo will impose a heavy burden on the universe drawing as implemented.
> 
> No, that's one of the cases that did NOT impose a (visibly) heavy burden.  The burden came from a complex background made up of hundreds or thousands of rectangles.

So, one question is: are those rectangles passed to the graphics engine 
one at a time, or all at once?

-- hendrik