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Custom brush nightmare
#1
Hello,

I created my own bitmap brushes

but it only draws as black, cant get any color no matter which front/back color I choose

I use grayscale gbr files

also is there a way to change size automaticaly by selecting the brush, otherwise I always have to adjust the size when changing brush, really annoying for pixel art

what am I missing ?

regards
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#2
I see a bit of editing going on while I prepared this, never mind, might help someone later.

Pixel Art? Are you working in an Indexed color space with a limited (black/ grays) colour map?

There is a way to use the mouse scroll wheel to adjust brush size. see: https://docs.gimp.org/en/gimp-using-vari...brush.html

-------
Did you export as a grayscale, name.gbr otherwise the brush will not take the foreground colour.

[Image: AUca6U8.jpg]

The paint tool will affect the painted edge. Pencil is hard - no antialiasing. Paint brush has anti-aliasing and is smoother. Use the size slider to scale.

[Image: F1gPQ5J.jpg]

Did you read up before you started?

https://docs.gimp.org/en/gimp-concepts-brushes.html
https://docs.gimp.org/en/gimp-using-vari...ating.html
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#3
Just to add a little to what Rich said.

1) grayscale gbr is correct. Black will be foreground colour. White will be transparent.

2) Have a look at presets: https://docs.gimp.org/en/gimp-tools-presets.html
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#4
Are you using the clipboard brush, by any chance? It doesn't seem to work (possibly because the clibboard is always RGB). Exporting a grayscale-mode image to GBR ought to work. Can you attach the brush here? (either as GBR or in a ZIP)

PS: The Reset button at the end of the Size slider in the Tool options resets the tool brush size to the native size of the brush.
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#5
wish I could add an attachement becos grayscale gbr files dont work

https://imgur.com/a/Ih0nu

ok, I made another try, and now I have colors, I guess the refresh button in the brushes editor in gimp does not do anything
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#6
(04-05-2018, 08:35 PM)phil123456 Wrote: wish I could add an attachement becos grayscale gbr files dont work

Explained here: https://www.gimp-forum.net/misc.php?action=help&hid=11

(04-05-2018, 08:35 PM)phil123456 Wrote: ok, I made another try, and now I have colors, I guess the refresh button in the brushes editor in gimp does not do anything

Works OK for me...
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