follmann/favicon_maker

module FaviconMaker
  class IcoCommand

    include BaseCommand

    def initialize(template_file_path, output_file_path, size, options)

      convert_settings = [
        [ :quiet,       nil      ],
      ]

      center_settings = [
        [ :gravity,     "center" ],
        [ :background,  "none"   ],
      ]

      compose(template_file_path, output_file_path, convert_settings, options, :ico) do |ico_cmd|
        escapes = "\\" unless on_windows?
        size.split(',').sort_by{|s| s.split('x')[0].to_i}.each do |s|
          ico_cmd += [ "#{escapes}( -clone 0 -resize #{s}  #{options_to_args(center_settings)} -extent #{s} #{escapes})" ]
        end
        ico_cmd += [ "-delete 0" ]
      end

    end

  end
end