Class: Pdfrb::Font::TrueType::Name

Inherits:
Object
  • Object
show all
Defined in:
lib/pdfrb/font/true_type/name.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(data) ⇒ Name

Returns a new instance of Name.



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# File 'lib/pdfrb/font/true_type/name.rb', line 9

def initialize(data)
  @records = {}
  return unless data && data.bytesize >= 6

  @format = u16(data, 0)
  @count = u16(data, 2)
  string_offset = u16(data, 4)

  @count.times do |i|
    offset = 6 + (i * 12)
    break if offset + 12 > data.bytesize

    platform_id = u16(data, offset)
    u16(data, offset + 2)
    _lang_id = u16(data, offset + 4)
    name_id = u16(data, offset + 6)
    length = u16(data, offset + 8)
    str_offset = u16(data, offset + 10)

    next unless [1, 3].include?(platform_id)

    raw = data.byteslice(string_offset + str_offset, length)
    next unless raw

    str = if platform_id == 3
            raw.bytes.each_slice(2).map { |b| (b[0] << 8) | (b[1] || 0) }.pack("U*")
          else
            raw.force_encoding("UTF-8")
          end
    @records[name_id] = str
  end
end

Instance Attribute Details

#count ⇒ Object (readonly)

Returns the value of attribute count.



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# File 'lib/pdfrb/font/true_type/name.rb', line 7

def count
  @count
end

#format ⇒ Object (readonly)

Returns the value of attribute format.



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# File 'lib/pdfrb/font/true_type/name.rb', line 7

def format
  @format
end

#records ⇒ Object (readonly)

Returns the value of attribute records.



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# File 'lib/pdfrb/font/true_type/name.rb', line 7

def records
  @records
end

Instance Method Details

#family ⇒ Object 



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# File 'lib/pdfrb/font/true_type/name.rb', line 42

def family; @records[1] || @records[16]; end

#full_name ⇒ Object 



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# File 'lib/pdfrb/font/true_type/name.rb', line 45

def full_name; @records[4]; end

#ps_name ⇒ Object 



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# File 'lib/pdfrb/font/true_type/name.rb', line 44

def ps_name; @records[6]; end

#subfamily ⇒ Object 



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# File 'lib/pdfrb/font/true_type/name.rb', line 43

def subfamily; @records[2] || @records[17]; end