Parent

TTFunk::Table::Loca

Attributes

offsets[R]

Public Class Methods

encode(offsets) click to toggle source

Accepts an array of offsets, with each index corresponding to the glyph id with that index.

Returns a hash containing:

  • :table - the string representing the table's contents

  • :type - the type of offset (to be encoded in the 'head' table)

# File lib/ttfunk/table/loca.rb, line 15
def self.encode(offsets)
  if offsets.any? { |ofs| ofs > 0xFFFF }
    { :type => 1, :table => offsets.pack("N*") }
  else
    { :type => 0, :table => offsets.map { |o| o/2 }.pack("n*") }
  end
end

Public Instance Methods

index_of(glyph_id) click to toggle source
# File lib/ttfunk/table/loca.rb, line 23
def index_of(glyph_id)
  @offsets[glyph_id]
end
size_of(glyph_id) click to toggle source
# File lib/ttfunk/table/loca.rb, line 27
def size_of(glyph_id)
  @offsets[glyph_id+1] - @offsets[glyph_id]
end

[Validate]

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