THE WORLD'S FINEST AND MOST ACCURATE SVG TO RAPHAËL CONVERTER

svg2raphael.rb

#!/usr/bin/env ruby
#
# 1304046900  CONVERTS SVG TO RAPHAËL

require "nokogiri"

file = "world.svg"
tree = Nokogiri::XML(File.open(file))

str =
  "function render_map(R, map, attr) {\n\n" +

  tree.search('g').map do |gs|
    "map.#{ gs[:id] } = R.path(\"" +

    gs.search('path').map{ |paths|
      paths[:d].tr(' ', '')
    }.join +

    gs.search('line').map { |lines|
      x1 = lines[:x1]
      y1 = lines[:y1]

      "M%d, %dl%.3f, %.3fz" % [x1, y1, lines[:x2] - x1, lines[:y2] - y1]
    }.join +

    gs.search('polygon').map{ |polygons|
      points = polygons[:points].tr(' ', '').split

      prev_x = prev_y = 0
      "M" + (points+[points[-1]]).map{ |point|
        x, y = point.split(', ')

        s, prev_x, prev_y = "%.3f,%.3f" % [x - prev_x, y - prev_y], x, y
        s
      }.join("l") +
      "z"
    }.join +

    '").attr(attr);'
  end.join("\n") +
  "\n}\n"

puts str