Class: Pdfrb::Model::Type::DeviceN

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

Overview

DeviceN color space (s8.6.6.4). Multiple custom colorants mapped through a single tint-transform function. Generalises Separation.

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

#alternate_space ⇒ Object 



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

def alternate_space; self[:AlternateSpace]; end

#attributes ⇒ Object 



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

def attributes; self[:Attributes]; end

#colorant_count ⇒ Object 



14
15
16
17
18
19
 
# File 'lib/pdfrb/model/type/device_n.rb', line 14

def colorant_count
  return 0 unless colorants

  arr = colorants.is_a?(Pdfrb::Model::PdfArray) ? colorants.to_a : colorants
  arr.is_a?(Array) ? arr.size : 0
end

#colorants ⇒ Object 



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

def colorants; self[:Names]; end

#components ⇒ Object 



21
22
23
 
# File 'lib/pdfrb/model/type/device_n.rb', line 21

def components
  colorant_count
end

#each_colorant ⇒ Object 



25
26
27
28
29
30
31
32
33
 
# File 'lib/pdfrb/model/type/device_n.rb', line 25

def each_colorant(&)
  return enum_for(:each_colorant) unless block_given?
  return unless colorants

  arr = colorants.is_a?(Pdfrb::Model::PdfArray) ? colorants.to_a : colorants
  return unless arr.is_a?(Array)

  arr.each(&)
end

#tint_transform ⇒ Object 



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

def tint_transform; self[:TintTransform]; end