Class: Pdfrb::Model::Type::ToUnicodeCMapStream

Inherits:

Cos::Stream

• Object
• Object
• Cos::Dictionary
• Cos::Stream
• Pdfrb::Model::Type::ToUnicodeCMapStream

Defined in:

lib/pdfrb/model/type/to_unicode_cmap_stream.rb

Overview

ToUnicode CMap stream (s9.10.3). Maps glyph codes to Unicode strings for text extraction.

Instance Attribute Summary

Attributes inherited from Cos::Stream

#stream

Attributes inherited from Object

#document, #gen, #oid, #value

Instance Method Summary

• #cmap_source ⇒ Object
• #has_codespace? ⇒ Boolean
• #type ⇒ Object

Methods inherited from Cos::Stream

#decoded_stream, #encoded_stream=, #initialize

Methods inherited from Cos::Dictionary

#[], #[]=, arlington_available?, arlington_default, arlington_key_to_symbol, arlington_loaded_for?, arlington_mark_loaded, arlington_object, arlington_one_type_to_ruby, arlington_required?, arlington_types_to_ruby, arlington_version, define_field, define_field_from_arlington, #delete, #each, each_field, #each_raw, #empty?, field, #initialize, #key?, #keys, lookup_type, own_fields, #pdf_type, register_type, type_map, #validate

Methods inherited from Object

#==, define_type, #deref, #indirect?, #initialize, #must_be_indirect?, #pdf_type, pdf_type

Constructor Details

This class inherits a constructor from Pdfrb::Model::Cos::Stream

Instance Method Details

#cmap_source ⇒ Object

# File 'lib/pdfrb/model/type/to_unicode_cmap_stream.rb', line 11

def cmap_source
  decoded_stream&.force_encoding(Encoding::BINARY)
end

#has_codespace? ⇒ Boolean

Returns:

• (Boolean)

# File 'lib/pdfrb/model/type/to_unicode_cmap_stream.rb', line 15

def has_codespace?
  return false unless cmap_source

  cmap_source.include?("begincodespacerange")
end

#type ⇒ Object

# File 'lib/pdfrb/model/type/to_unicode_cmap_stream.rb', line 9

def type; self[:Type]; end