File: lzw.rb

package info (click to toggle)
ruby-pdf-reader 2.1.0-1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 14,028 kB
  • sloc: ruby: 8,673; makefile: 10
file content (19 lines) | stat: -rw-r--r-- 492 bytes parent folder | download | duplicates (3) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
 
# coding: utf-8
#
class PDF::Reader
  module Filter # :nodoc:
    # implementation of the LZW stream filter
    class Lzw
      def initialize(options = {})
        @options = options
      end

      ################################################################################
      # Decode the specified data with the LZW compression algorithm
      def filter(data)
        data = PDF::Reader::LZW.decode(data)
        Depredict.new(@options).filter(data)
      end
    end
  end
end