>On 9/24/07, William Ramsay <[EMAIL PROTECTED]> wrote:
> That's the problem, I don't know what to use.    I've tried call-with-values
> and receive, but both give me errors, mostly because I have no idea what
> I'm doing.
> The call to (imlib:pixel img x y) should return the  r, g, b, a  values
> of the  pixel.   Just calling it produces r.   The others are there, but how 
> do  I get them?

I don't know imlib; but try:
(receive (r g b a) (imlib:pixel img x y)
  (print "r is " r)
  (print "b is " b))

Graham


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