f4bfaeca89
Scripts for various Thomson machines, Oric and ZX. All the hard work of Samuel Devulder, with extensive research on color palette reduction algorithms, lots of testing, research and debugging. Thanks a lot!
21 lines
656 B
Lua
21 lines
656 B
Lua
-- ostro_mo5.lua : converts a color image into a
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-- TO7 image (8 fixed colors with color clash)
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-- using Ostromoukhov's error diffusion algorithm.
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--
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-- Version: 02-jan-2017
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--
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-- Copyright 2016-2017 by Samuel Devulder
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--
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-- This program is free software; you can redistribute
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-- it and/or modify it under the terms of the GNU
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-- General Public License as published by the Free
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-- Software Foundation; version 2 of the License.
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-- See <http://www.gnu.org/licenses/>
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run('lib/ostromoukhov.lua')
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OstroDither:new():dither40cols(function(w,h,getLinearPixel)
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local pal={}
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for i=0,7 do pal[i+1] = thomson.palette(i) end
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return pal
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end) |