Sha256: dd90d43d8feaeb51aee1051e6599c9e4ca9b9bbdc094286a862fc47e1dd8a0b3
Contents?: true
Size: 437 Bytes
Versions: 21
Compression:
Stored size: 437 Bytes
Contents
#!/usr/bin/env ruby
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
21 entries across 21 versions & 3 rubygems