world_cup_icons.rb

require 'rubygems'
require 'RMagick'
require 'pp'
include Magick

CURRENT_DIR = File.dirname(File.expand_path(__FILE__)) + "/"

country_names = [
 "Algeria",
 "Argentina",
 "Australia",
 "Brazil",
 "Cameroon",
 "Chile",
 "Cote d' Ivoire",
 "Denmark",
 "England",
 "France",
 "Germany",
 "Ghana",
 "Greece",
 "Honduras",
 "Italy",
 "Japan",
 "Korea DPR",
 "Korea Republic",
 "Mexico",
 "Netherlands",
 "New Zealand",
 "Nigeria",
 "Paraguay",
 "Portugal",
 "Serbia",
 "Slovakia",
 "Slovenia",
 "South Africa",
 "Spain",
 "Switzerland",
 "United States",
 "Uruguay"
]

ImageSide = 15
height = country_names.size * ImageSide
width = ImageSide

country_filenames = country_names.map {|country| "#{CURRENT_DIR}/worldcuplogos/#{country}.png"}.sort

composition = ImageList.new

country_filenames.each do |country_filename|
  image = Image.read(country_filename).first
  composition.push(image)
end

sprites = composition.append(true)
sprites_resized = sprites.resize_to_fit(width, height)
sprites_resized.write("#{CURRENT_DIR}/sprites.png")