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require 'ttfunk/table'
module TTFunk
class Table
class Head < TTFunk::Table
attr_reader :version
attr_reader :font_revision
attr_reader :checksum_adjustment
attr_reader :magic_number
attr_reader :flags
attr_reader :units_per_em
attr_reader :created
attr_reader :modified
attr_reader :x_min
attr_reader :y_min
attr_reader :x_max
attr_reader :y_max
attr_reader :mac_style
attr_reader :lowest_rec_ppem
attr_reader :font_direction_hint
attr_reader :index_to_loc_format
attr_reader :glyph_data_format
def self.encode(head, loca)
table = head.raw
table[8,4] = "\0\0\0\0" # set checksum adjustment to 0 initially
table[-4,2] = [loca[:type]].pack("n") # set index_to_loc_format
return table
end
private
def parse!
@version, @font_revision, @check_sum_adjustment, @magic_number,
@flags, @units_per_em, @created, @modified = read(36, "N4n2q2")
@x_min, @y_min, @x_max, @y_max = read_signed(4)
@mac_style, @lowest_rec_ppem, @font_direction_hint,
@index_to_loc_format, @glyph_data_format = read(10, "n*")
end
end
end
end
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