/usr/lib/ruby/vendor_ruby/pdf/reader/filter/lzw.rb is in ruby-pdf-reader 1.3.3-1.
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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
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