I finally stumbled across the correct Google search that yielded some results!
The solution was:
- use select by color tool, with treshold of 0, no feathering and no
antialiasing. Click on the background. This will select only pure white
pixels in the background
- grow the selection by 2 pixels. The selection now includes the background,
and the border pixels (anti-aliasing)
- use Color/Color to alpha with white (it will only applies to background and
logo border)
Tried it a few minutes ago and it sorted the issue for me.
Stu
________________________________
From: COX Derek <[email protected]>
To: Stuart Bird <[email protected]>; Peterborough LUG - No commercial posts
<[email protected]>
Sent: Tuesday, 10 April 2012, 13:46
Subject: Re: [Peterboro] Any GIMP Guru's On-List
Not a guru (not even a beginner) but I think it’s down to layers, adding a new
layer and making it the transparent layer or something along those lines
Pls repost if you sort it out J
Derek
From:[email protected]
[mailto:[email protected]] On Behalf Of Stuart Bird
Sent: 10 April 2012 13:05
To: Peterborough LUG - No commercial posts
Subject: [Peterboro] Any GIMP Guru's On-List
Hi All
I hope this will be a simple thing to resolve!
I have a small graphic (jpg) which has a plain white background. What i would
like to do (if possible) is make the background transparent so that I can use
the foreground as an overlay.
Sounds simple, been scratching my head for hours now :)
Stu
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