ruby loco hack night project to convert an image to ascii art

convert_from_image.rb

require 'rmagick'
require 'paint'
unless File.exists? './o-AMERICAN-FLAG-facebook.jpg'
  `curl -O http://i.huffpost.com/gen/1649894/images/o-AMERICAN-FLAG-facebook.jpg`
end
resource = open('./o-AMERICAN-FLAG-facebook.jpg')
image = Magick::ImageList.new
image.from_blob resource.read
image = image.scale(150 / image.columns.to_f)
image = image.scale(image.columns, image.rows / 1.7)
cur_row = 0
image.each_pixel do |pixel, col, row|
  color = pixel.to_color(Magick::AllCompliance, false, 8)
  if cur_row != row
    puts
    cur_row = row
  end
  print Paint[' ', '', color]
end
puts

Gemfile

source "https://rubygems.org"
gem 'pry'
# gem "ascii-image"
gem "rmagick", "=2.13.1"
gem "rainbow", "= 1.1.4"
gem "pry-rescue"
gem "paint"

here's the image I used:

http://i.huffpost.com/gen/1649894/images/o-AMERICAN-FLAG-facebook.jpg