Easily convert an SVG file into the various files required to sell things on Society 6.

build_for_society6.rb

#usage: ruby build... [INPUT_FILE]
#what it does: makes a folder named after the input file and builds the necessary versions for S6
#requirements: rsvg-convert to rasterise the SVG and imagemagick to make the versions

file = ARGV[0]  or abort ("No input file specified.")
big_width = 6500
basename = File::basename(file,".svg")

Dir::mkdir(basename,0700) unless File.exists? basename

#make initial big version
#puts "rsvg-convert #{file} -o #{basename}_master.jpg -w #{big_width}"
out = "#{basename}/master.jpg"
puts "building #{out}"
`rsvg-convert #{file} -o #{basename}/master.jpg -w #{big_width}`

sizes = {
	:thumbnail => "600x",
  :laptop_case => "4600x3000",
  :t_shirt => "3300x5100",
  :mobile_device => "1300x2000",
  :throw_pillow_or_clock => "6500x6500",
	:all_over_shirt => "6000x6000",
	:tapestry_portrait => "5525x6500",
	:tapestry_landscape => "6500x5525",
	:travel_mug => "2697x1518px",
  :mug => "4600x2000"
}

#make all sizes
sizes.keys.each do |key|
  output = "#{basename}/#{key.to_s}.jpg"
  puts "Building #{output}"
  `convert #{basename}/master.jpg -resize #{sizes[key]}^ -gravity center -extent #{sizes[key]} #{output}`
end