Class: Pdfrb::Model::Type::XObjectForm

Inherits:
Cos::Stream show all
Defined in:
lib/pdfrb/model/type/xobject_form.rb

Overview

Form XObject (s8.10). /Type /XObject, /Subtype /Form, /BBox, /Matrix, /Resources, /Group, /Filter, etc.

Instance Attribute Summary

Attributes inherited from Cos::Stream

#stream

Attributes inherited from Object

#document, #gen, #oid, #value

Instance Method Summary collapse

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

#associated_files ⇒ Object 



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# File 'lib/pdfrb/model/type/xobject_form.rb', line 24

def associated_files; self[:AF]; end

#bbox ⇒ Object 



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

def bbox; self[:BBox]; end

#decode_parms ⇒ Object 



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

def decode_parms; self[:DecodeParms]; end

#default_color_space ⇒ Object 



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# File 'lib/pdfrb/model/type/xobject_form.rb', line 39

def default_color_space
  group && group[:CS]
end

#filter ⇒ Object 



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

def filter; self[:Filter]; end

#form_type ⇒ Object 



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# File 'lib/pdfrb/model/type/xobject_form.rb', line 18

def form_type; self[:FormType] || 1; end

#group ⇒ Object 



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

def group; self[:Group]; end

#identity_matrix? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pdfrb/model/type/xobject_form.rb', line 43

def identity_matrix?
  return true unless matrix

  arr = matrix.is_a?(Pdfrb::Model::PdfArray) ? matrix.to_a : matrix
  return true unless arr.is_a?(Array) && arr.size == 6

  arr[0] == 1 && arr[1].zero? && arr[2].zero? && arr[3] == 1 && arr[4].zero? && arr[5].zero?
end

#isolated? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pdfrb/model/type/xobject_form.rb', line 31

def isolated?
  group && !!group[:I]
end

#knockout? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pdfrb/model/type/xobject_form.rb', line 35

def knockout?
  group && !!group[:K]
end

#last_modified ⇒ Object 



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# File 'lib/pdfrb/model/type/xobject_form.rb', line 21

def last_modified; self[:LastModified]; end

#mark_stream_data? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pdfrb/model/type/xobject_form.rb', line 25

def mark_stream_data?; truthy?(self[:MS]); end

#matrix ⇒ Object 



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# File 'lib/pdfrb/model/type/xobject_form.rb', line 13

def matrix; self[:Matrix]; end

#name ⇒ Object 



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# File 'lib/pdfrb/model/type/xobject_form.rb', line 20

def name; self[:Name]; end

#oc ⇒ Object 



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

def oc; self[:OC]; end

#piece_info ⇒ Object 



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# File 'lib/pdfrb/model/type/xobject_form.rb', line 22

def piece_info; self[:PieceInfo]; end

#resources ⇒ Object 



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

def resources; self[:Resources]; end

#struct_parent ⇒ Object 



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# File 'lib/pdfrb/model/type/xobject_form.rb', line 23

def struct_parent; self[:StructParent]; end

#subtype ⇒ Object 



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

def subtype; self[:Subtype]; end

#transparency_group? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pdfrb/model/type/xobject_form.rb', line 27

def transparency_group?
  !!group
end