Class: Pdfrb::Model::Type::CIDFont

Inherits:
Font show all
Defined in:
lib/pdfrb/model/type/cid_font.rb

Overview

CID-keyed font (s9.7.3). Inner font of a /Type0 composite. /Subtype /CIDFontType0 or /CIDFontType2.

Direct Known Subclasses

FontCIDType0, FontCIDType2

Instance Attribute Summary

Attributes inherited from Object

#document, #gen, #oid, #value

Instance Method Summary collapse

Methods inherited from Font

#cid?, #descendant_font, #embedded?, #encoding, #first_char, #font_file, #glyph_width, #last_char, #simple?, #subtype, #to_unicode, #type3?, #widths

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

#base_font ⇒ Object 



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

def base_font; self[:BaseFont]; end

#cid_subtype ⇒ Object 



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

def cid_subtype; self[:Subtype]; end

#cid_system_info ⇒ Object 



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

def cid_system_info; self[:CIDSystemInfo]; end

#cid_to_gid_map ⇒ Object 



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

def cid_to_gid_map; self[:CIDToGIDMap]; end

#default_width ⇒ Object 



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# File 'lib/pdfrb/model/type/cid_font.rb', line 29

def default_width
  dw || 1000
end

#dw ⇒ Object 



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

def dw; self[:DW]; end

#dw2 ⇒ Object 



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

def dw2; self[:DW2]; end

#font_descriptor ⇒ Object 



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

def font_descriptor; self[:FontDescriptor]; end

#type0? ⇒ Boolean

Returns:

  • (Boolean) 


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

def type0?
  cid_subtype&.to_sym == :CIDFontType0
end

#type2? ⇒ Boolean

Returns:

  • (Boolean) 


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

def type2?
  cid_subtype&.to_sym == :CIDFontType2
end

#w ⇒ Object 



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

def w; self[:W]; end

#w2 ⇒ Object 



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

def w2; self[:W2]; end

#width_for_cid(cid) ⇒ Object 



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# File 'lib/pdfrb/model/type/cid_font.rb', line 33

def width_for_cid(cid)
  return default_width unless w

  entries = w.is_a?(Pdfrb::Model::PdfArray) ? w.to_a : w
  i = 0
  while i < entries.size
    first = entries[i]
    second = entries[i + 1]
    return nil unless first && second

    case second.to_s
    when /\A[\[\]]\z/
      array = entries[i + 2]
      return nil unless first.is_a?(Integer) && array.is_a?(Array)

      offset = cid - first
      return array[offset] if offset >= 0 && offset < array.size

    else
      value = entries[i + 2]
      return value if cid.between?(first, second)

    end
    i += 3
  end

  default_width
end