Re: color border in image, drop everything outside of it

[Emanuel Berg <moasenwood@zoho.eu>]

tomas wrote:

>> Well, in computing, the details are everything.
>
> Yes, that's it -- and they are usually left... to the reader :)
>
> Why should I deprive you of your fun?
>
> Actually it's that my stack is too high: I just wanted to help
> you avoid barking up too many wrong trees; in this long thread
> I've already seen you & Andrey trying to develop (erroneous)
> variants of flood fill. If you have fun in it, I won't spoil
> that any longer.

OK, but one step at a time then!

How do you/what do you use to do this

for pixel (x y) in image; do
  if (pixel.color == BLACK) { pixel.color = GREEN }
done

(made up syntax)

?

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