Sha256: fe3dcfbe9e7814dfb38db0fd45d98a06b0a77db22ee683d2a25e8716c17a52e7
Contents?: true
Size: 517 Bytes
Versions: 28
Compression:
Stored size: 517 Bytes
Contents
#!/usr/bin/env ruby
Dir.chdir(File.dirname(__FILE__))
require 'shellwords'
palettes = [64]
side = 256
palettes.each do |palette|
IO.popen(%W[
convert
-depth 8
-size #{side}x#{side}
-strip
rgb:-
PNG24:#{palette}.png
].shelljoin, 'w') do |f|
(side * side).times do |i|
color = i * palette / (side * side) * 0x10000 / palette
f << [color / 0x100, color % 0x100, 0].pack('C*')
end
end
system "identify -format 'Wrote %f with %k unique colors\n' #{palette}.png"
end
Version data entries
28 entries across 28 versions & 3 rubygems