Method: PDF::Reader::Filter::Flate#filter

Defined in:
lib/pdf/reader/filter/flate.rb

#filter(data) ⇒ Object

Decode the specified data with the Zlib compression algorithm : (String) -> String



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# File 'lib/pdf/reader/filter/flate.rb', line 24

def filter(data)
  deflated = zlib_inflate(data) || zlib_inflate(data[0, data.bytesize-1])

  if deflated.nil?
    raise MalformedPDFError,
      "Error while inflating a compressed stream (no suitable inflation algorithm found)"
  end
  Depredict.new(@options).filter(deflated)
end