Can a Custom Pencil Brush include Transparency?

[rich2005]

@pha3z It would help if you gave an example of the brush you are using. Even then Gimp is a raster (bitmap) editor so you are constrained to pixel sizes. The best way to learn Gimp capabilities is experiment, so set up a small image and make a 1-pixel grid.

You might make a brush like this, a mixture of 'solid' and 50% opacity pixels. Never going to work as a pencil as previous posts.



With that brush active, (1) is using the pencil - this will snap to a pixel. (2) Using the brush tool if the brush center is not on a pixel (sub-pixel) you get anti-aliasing. (3) To avoid that ensure the brush coincides with a pixel boundary.



Not easy to guarantee, but some steps to take.
(4) When you make the bush, make it symmetrical (preferably both ways )



(5) (6) Set up snap to grid. This can be done on an image-per-image basis but you might want to set up globally in Edit -> Preferences. The grid does not have to be visible to be active All in the View menu.



Edit: Just seen the reason - Making a game, Gimp / PSP / Krita - all probably overkill. Although, a look around at what is available, I can see the problem is making a bespoke brush