Sha256: 56b03a1dfbc60c454fe7b3d517cb38d4bf50bb5ce5a05029c7c6477a2a573ae4
Contents?: true
Size: 467 Bytes
Versions: 7
Compression:
Stored size: 467 Bytes
Contents
#!/usr/bin/env ruby
# frozen_string_literal: true
Dir.chdir(File.dirname(__FILE__))
require 'shellwords'
side = 64
IO.popen(%W[
convert
-depth 8
-size #{side}x#{side}
-strip
rgba:-
PNG32:image.png
].shelljoin, 'w') do |f|
side.times do |a|
side.times do |b|
alpha = [0, 1, 0x7f, 0xff][(a / 8 + b / 8) % 4]
f << [rand(256), rand(256), rand(256), alpha].pack('C*')
end
end
end
system 'image_optim --pngcrush-blacken=n image.png'
Version data entries
7 entries across 7 versions & 1 rubygems