Re: [Gimp-user] How do I trim or add x pixels from/to every edge?

["Rick Strong" <rnstrong primus ca>]

Assuming you don't want the fabric of the Tee to show through anywhere in 
the interior of the tux, you only need one solid white screen of the whole 
tux with no bleed. Overprint the yellow details then the black.

Or, put the white down in the area where you need white and yellow. 
Overprint the yellow on, then the black.

RS

-----Original Message----- 
From: Pat David
Sent: Thursday, October 13, 2016 4:57 PM
To: qnr ; gimp-user-list gnome org
Cc: notifications gimpusers com
Subject: Re: [Gimp-user] How do I trim or add x pixels from/to every edge?

Possibly try the Erode or Dilate commands?

Or make a selection of all of the areas based on color, then use selection
Grow or Shrink?

On Thu, Oct 13, 2016 at 3:52 PM qnr <forums gimpusers com> wrote:

> Two apologies - I accidentally posted this in the wrong forum earlier, I'm
> looking to see how to delete that post - also, this might be a duplicate,
> I did
> some searches but could not find the information that I was looking for.
>
> I am looking for the best way to trim or add a set number of pixels to
> every
> edge (interior and exterior) of an image.
>
> This is for creating stencils for screen printing. Say, for example, that 
> I
> wanted to screen a simple image of Tux on a dark tee. I'd want to put a
> base
> layer of white down so that the white and yellow show up clearly; however,
> I
> don't want that white to bleed out past the black of the body of Tux.
> Scaling
> wouldn't work of course, because it would change the position of items in
> other
> areas.
>
> Thanks!
>
> --
> qnr (via www.gimpusers.com/forums)
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