[Gambas-user] Comparing 2 pictures

[richard terry]

On Mon, 10 Aug 2009 10:15:20 pm Werner wrote:
> richard terry wrote:
> > Hi all,
> >
> > i wondered if anyone could tell me how to comparea picture1 to picture 2
> > and tell if they were different (ie one had been changed in some way?
> >
> > thanks in anticipation.
> >
> > Richard
> >
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> If they are supposed to be identical and the size matches maybe md5sum?
>
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good idea, I'll try that.

I'm just writing my skin excision module and I've set it up so that I can load 
a photo-graph into the drawing editor and add lines etc, or shapes to outline 
the exicision, but want to be able to know if there were actually any 
changes.

Will post how I got on.

Regards

richard