irig_keys.rb

#!/usr/bin/env ruby

puts <<EOL
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg xmlns="http://www.w3.org/2000/svg"
  width="1200" height="240">
    <!-- body -->
  <rect x="0" y="0" width="1152" height="60" style="fill: #000; stroke-width: 4; stroke: #555" />
  <rect x="0" y="60" width="96" height="180" style="fill: #222; stroke-width: 4; stroke: #AAA" />
  <text x="30" y="36" font-family="arial" font-weight="bold" font-size="32" fill="#888">iRig KEYS 37</text>

  <!-- white keys -->
EOL

width = 48
height = 180
x = width * 2
y = 60
22.times do
  puts "  <rect x=\"#{x}\" y=\"#{y}\" width=\"#{width}\" height=\"#{height}\" style=\"fill: #FFF; stroke-width: 4; stroke: #777\" />"
  x += width
end

bk_width = 20
bk_height = 110
x = width * 2 + width / 2 + bk_width / 2 + 4
count = 0
21.times do
  count += 1

  if count == 3 || count == 7
    # skip render rect
  else
    puts "  <rect x=\"#{x}\" y=\"#{y}\" width=\"#{bk_width}\" height=\"#{bk_height}\" style=\"fill: #111; stroke-width: 4; stroke: #555\" />"
  end
  x += width

  count = 0 if count == 7
end

x = width * 2 + 6
y = 230
notes = %w{C D E F G A B}
22.times do |i|
  note = notes[i % 7]
  text = "#{note}#{i / 7 + 2}"
  puts "    <text x=\"#{x}\" y=\"#{y}\" font-family=\"arial\" font-weight=\"bold\" font-size=\"24\" fill=\"#111\">#{text}</text>"
  x += width
end

x = width * 2.5 + 5
y = 50
notes = %w{C# D# E# F# G# A# B#}
count = 0
21.times do |i|
  count += 1

  if count == 3 || count == 7
    # skip
  else
    note = notes[i % 7]
    text = "#{note}#{i / 7 + 2}"
    puts "    <text x=\"#{x}\" y=\"#{y}\" font-family=\"arial\" font-weight=\"bold\" font-size=\"20\" fill=\"#FFF\">#{text}</text>"
  end

  count = 0 if count == 7
  x += width
end

puts "</svg>"