Class: Pdfrb::Model::Type::MDPDict

Inherits:
Cos::Dictionary show all
Defined in:
lib/pdfrb/model/type/mdp_dict.rb

Overview

MDP (Modification Detection and Prevention) dict (s12.8.2.2). The /Reference entry on a Signature, with /TransformMethod /DocMDP or /UR (Usage Rights).

Instance Attribute Summary

Attributes inherited from Object

#document, #gen, #oid, #value

Instance Method Summary collapse

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::Dictionary

Instance Method Details

#doc_mdp? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pdfrb/model/type/mdp_dict.rb', line 14

def doc_mdp?; transform_method == :DocMDP; end

#field_mdp? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pdfrb/model/type/mdp_dict.rb', line 16

def field_mdp?; transform_method == :FieldMDP; end

#identity? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pdfrb/model/type/mdp_dict.rb', line 17

def identity?; transform_method == :Identity; end

#resolved_transform_params ⇒ Object 



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# File 'lib/pdfrb/model/type/mdp_dict.rb', line 19

def resolved_transform_params
  ref = transform_params
  return nil unless ref && document

  document.object(ref)
end

#transform_method ⇒ Object 



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

def transform_method; self[:TransformMethod]&.to_sym; end

#transform_params ⇒ Object 



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# File 'lib/pdfrb/model/type/mdp_dict.rb', line 12

def transform_params; self[:TransformParams]; end

#type ⇒ Object 



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# File 'lib/pdfrb/model/type/mdp_dict.rb', line 10

def type; self[:Type]; end

#ur? ⇒ Boolean

Returns:

  • (Boolean) 


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

def ur?; transform_method == :UR; end