[racket] how can I change image's tint?

Two hours ago, synx wrote:
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> On 10/23/2010 08:38 PM, 김태윤 wrote:
> > there must be easy way to change tint(hue, shade) of image but how
> > to?  thanks in advanced
> 
> A way, sure, but not an easy way. [...] I'd just use the GIMP
> honestly.

You could write an interface to imagemagick.  (And there's even an old
one in the distribution that is probably not too hard to update.)

-- 
          ((lambda (x) (x x)) (lambda (x) (x x)))          Eli Barzilay:
                    http://barzilay.org/                   Maze is Life!