On Sat, Nov 21, 2009 at 4:00 AM, Chris <for...@gimpusers.com> wrote:
> I want to create a straight line that's two pixels wide. There's a brush
> that's 1px, and another that's 3px, so I created a new brush, made it a square
> one and selected a radius of 1.0px. If I do this, the brush appears to be 3px
> in width.
> So I tried various values. 0.7px radius still gives me a brush that is 3px
> wide. However, 0.6px radius gives me one that is 1px wide. I don't seem to be
> able to find any setting that makes it 2px wide, and neither can I understand
> the relationship between "radius" and the actual size of the brush. The same
> thing happens with higher values - anything from 0.7 up to 1.6 gives me a
> brush that's 3px wide, then at 1.7 it jumps to 5 pixels.
> Is it impossible to have a brush that is an even number of pixels wide, and
> if so, why?
No, but it may be impossible to have an even sized 'virtual' brush,
which is the type you're editing.
You may need to create a 2x2 grayscale image filled with black* and
save it with a 'gbr' extension to your brushes directory.(then refresh
the brushes dialog)

* or is it white? one of those two.
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