Class: Cryptopunks::Tool

Inherits:
Object
  • Object
show all
Defined in:
lib/cryptopunks.rb

Instance Method Summary collapse

Instance Method Details

#run(args) ⇒ Object 



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# File 'lib/cryptopunks.rb', line 24

def run( args )
  opts = { zoom: 1,
           outdir: '.',
           file:  './punks.png',
         }

  parser = OptionParser.new do |cmd|
    cmd.banner = "Usage: punk (or cryptopunk) [options] IDs"

    cmd.separator "  Mint punk characters from composite (#{opts[:file]}) - for IDs use 0 to 9999"
    cmd.separator ""
    cmd.separator "  Options:"

    cmd.on("-z", "--zoom=ZOOM", "Zoom factor x2, x4, x8, etc. (default: #{opts[:zoom]})", Integer ) do |zoom|
      opts[:zoom] = zoom
    end

    cmd.on("-d", "--dir=DIR", "Output directory (default: #{opts[:outdir]})", String ) do |outdir|
      opts[:outdir] = outdir
    end

    cmd.on("-f", "--file=FILE", "True Official Genuine CryptoPunks™ composite image (default: #{opts[:file]})", String ) do |file|
      opts[:file] = file
    end


    cmd.on("-h", "--help", "Prints this help") do
      puts cmd
      exit
    end
  end

  parser.parse!( args )

  puts "opts:"
  pp opts

  puts "==> reading >#{opts[:file]}<..."
  punks = Image.read( opts[:file] )


  puts "    setting zoom to #{opts[:zoom]}x"   if opts[:zoom] != 1
  punks.zoom = opts[:zoom]   ## note: always reset zoom even if 1


  ## make sure outdir exits (default is current working dir e.g. .)

  FileUtils.mkdir_p( opts[:outdir] )  unless Dir.exist?( opts[:outdir] )

  args.each_with_index do |arg,index|
    punk_index = arg.to_i
    punk_name  = "punk-" + "%04d" % punk_index

    ##  if zoom - add x2,x4 or such

    punk_name << "x#{opts[:zoom]}"   if opts[:zoom] != 1

    path  = "#{opts[:outdir]}/#{punk_name}.png"
    puts "==> (#{index+1}/#{args.size}) minting punk ##{punk_index}; writing to >#{path}<..."

    punks[ punk_index ].save( path )
  end

  puts "done"
end