sheerun/githubsocial

#!/usr/bin/env ruby

require 'chunky_png'

colors = [
  '#6cdd58', '#d1828f', '#dcc494', '#d387e7', '#ceb760', '#e498cb',
  '#98a0da', '#49a4da', '#d05581', '#e0b29c', '#a2d481', '#dbcf97',
  '#8178e3', '#dcc055', '#c3da43', '#c3da43', '#d9a076', '#9fe284',
  '#c373dc', '#95d6de', '#e6a18b', '#dc638c', '#dc638c', '#d16e87'
]

size = 15
size2 = 4
size3 = 3
tiles = 12

image = ChunkyPNG::Image.new(120, 120, ChunkyPNG::Color.from_hex('#f0f0f0'))
favicon = ChunkyPNG::Image.new(32, 32, ChunkyPNG::Color.from_hex('#f0f0f0'))
favicon2 = ChunkyPNG::Image.new(24, 24, ChunkyPNG::Color.from_hex('#f0f0f0'))
rand = Random.new(42)

(1...(tiles - 1)).each do |x|
  (1...(tiles - 1)).each do |y|
    color = ChunkyPNG::Color.from_hex(colors.sample(random: rand))
    # image.rect(x*size, y*size, x*size+size-1, y*size+size-1, color, color)

    if x.between?(3, (tiles - 4)) && y.between?(3, (tiles - 4))
      image.rect((x-2)*size, (y - 2)*size, (x-2)*size+size-1, (y-2)*size+size-1, color, color)
      favicon.rect((x-2)*size2, (y - 2)*size2, (x-2)*size2+size2-1, (y-2)*size2+size2-1, color, color)
      favicon2.rect((x-2)*size3, (y - 2)*size3, (x-2)*size3+size3-1, (y-2)*size3+size3-1, color, color)
    end
  end
end

dir = ::File.expand_path('../..',  __FILE__)
image.save(File.join(dir, 'app/assets/images/logo.png'))
favicon.save(File.join(dir, 'public/favicon.png'))
favicon2.save(File.join(dir, 'public/favicon-24.png'))