[Gllug] Image cropping from a script

[John Winters]

- Tethys wrote:
> I need to be able to crop an image from within a script, such that the
> resulting image is the smallest possible rectangle containing pixels
> of a given foreground colour. Any ideas?

I'm not sure I've fully understood your requirement here.  Surely the 
smallest possible rectangle containing pixels of a given foreground 
colour is a 1x1 square?

John
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