Class: Pdfrb::Model::Type::FunctionStitching

Inherits:
Function show all
Defined in:
lib/pdfrb/model/type/function_stitching.rb

Overview

Type 3 Stitching function (s8.9.5). Concatenates multiple sub-functions over a stitched input domain.

Instance Attribute Summary

Attributes inherited from Object

#document, #gen, #oid, #value

Instance Method Summary collapse

Methods inherited from Function

#domain, #exponential?, #function_type, #input_dimension, #output_dimension, #postscript?, #range, #sampled?, #stitching?

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

#bounds ⇒ Object 



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

def bounds; self[:Bounds]; end

#each_subfunction ⇒ Object 



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

def each_subfunction
  return enum_for(:each_subfunction) unless block_given?
  return unless sub_functions && document

  arr = sub_functions.is_a?(Pdfrb::Model::PdfArray) ? sub_functions.to_a : sub_functions
  arr.each do |ref|
    obj = ref.is_a?(Pdfrb::Model::Reference) ? document.object(ref) : ref
    yield obj if obj
  end
end

#encode ⇒ Object 



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

def encode; self[:Encode]; end

#sub_functions ⇒ Object 



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

def sub_functions; self[:Functions]; end

#subfunction_count ⇒ Object 



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

def subfunction_count
  return 0 unless sub_functions

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