Sha256: 0a16508e6194a330b9fe27c4507ba616c2ebe4dc38aa3ae047277b1af45ab6b6
Contents?: true
Size: 907 Bytes
Versions: 9
Compression:
Stored size: 907 Bytes
Contents
# coding: utf-8
# typed: strict
# frozen_string_literal: true
require 'ascii85'
class PDF::Reader
module Filter # :nodoc:
# implementation of the Ascii85 filter
class Ascii85
def initialize(options = {})
@options = options
end
################################################################################
# Decode the specified data using the Ascii85 algorithm. Relies on the AScii85
# rubygem.
#
def filter(data)
data = "<~#{data}" unless data.to_s[0,2] == "<~"
if defined?(::Ascii85Native)
::Ascii85Native::decode(data)
else
::Ascii85::decode(data)
end
rescue Exception => e
# Oops, there was a problem decoding the stream
raise MalformedPDFError,
"Error occured while decoding an ASCII85 stream (#{e.class.to_s}: #{e.to_s})"
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems