25 lines
563 B
Lua
25 lines
563 B
Lua
--BRUSH Remap: Grayscale (average)
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--by Richard Fhager
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--http://hem.fyristorg.com/dawnbringer/
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-- Copyright 2010 Richard Fhager
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--
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-- This program is free software; you can redistribute it and/or
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-- modify it under the terms of the GNU General Public License
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-- as published by the Free Software Foundation; version 2
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-- of the License. See <http://www.gnu.org/licenses/>
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w, h = getbrushsize()
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for x = 0, w - 1, 1 do
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for y = 0, h - 1, 1 do
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r, g, b = getcolor(getbrushpixel(x,y))
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a = (r+g+b)/3
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putbrushpixel(x, y, matchcolor(a,a,a));
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end
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end
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