On 25/08/14 15:43, wizzythegrape wrote:
The marching ants are not the limit of the selection, they are where the
selection has a 50% value, so pixels outside the area marked by the ants
can be partially selected. Each time you paint over them they are
painted slightly. This isn't noticeable on the first strokes but become
more visible after several strokes.
I have a picture I'm editing with gimp. I've made a selection of part of this
picture that I'm trying to paint. When I do this, it effects pixels outside of
the boundaries of my selection. This is the first time I've seen this. Does
anyone know how to prevent/solve this?
For what you want to do, protecting pixels with a selection isn't an
efficient technique (problems such a the one above, halos, jagged
edges...). You should be using Color-to-alpha (or paint in Color Erase
mode) to remove the old color, and apply the new color in "Behind" mode.
Some more explanations here:
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