Class: Pdfrb::Model::Type::HalftoneType1

Inherits:
Halftone show all
Defined in:
lib/pdfrb/model/type/halftone_type1.rb

Overview

Type 1 halftone: a 1-bit tile sampled from a halftone screen cell defined by frequency, angle, and spot function.

Instance Attribute Summary

Attributes inherited from Object

#document, #gen, #oid, #value

Instance Method Summary collapse

Methods inherited from Halftone

#halftone_name, #halftone_type, #type10?, #type16?, #type1?, #type5?, #type6?

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

#accurate_screens? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pdfrb/model/type/halftone_type1.rb', line 12

def accurate_screens?; truthy?(self[:AccurateScreens]); end

#angle ⇒ Object 



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# File 'lib/pdfrb/model/type/halftone_type1.rb', line 10

def angle; self[:Angle]; end

#frequency ⇒ Object 



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# File 'lib/pdfrb/model/type/halftone_type1.rb', line 9

def frequency; self[:Frequency]; end

#spot_function ⇒ Object 



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# File 'lib/pdfrb/model/type/halftone_type1.rb', line 11

def spot_function; self[:SpotFunction]; end

#transfer_function ⇒ Object 



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# File 'lib/pdfrb/model/type/halftone_type1.rb', line 13

def transfer_function; self[:TransferFunction]; end