# File lib/ttfunk/table/cmap/format10.rb, line 9 def self.encode(charmap) next_id = 0 glyph_map = { 0 => 0 } sorted_chars = charmap.keys.sort low_char, high_char = sorted_chars.first, sorted_chars.last entry_count = (1+high_char-low_char) glyph_indexes = Array.new(entry_count, 0) new_map = charmap.keys.sort.inject({}) do |map, code| glyph_map[charmap[code]] ||= next_id += 1 map[code] = { :old => charmap[code], :new => glyph_map[charmap[code]] } glyph_indexes[code - low_char] = glyph_map[charmap[code]] map end subtable = [10, 0, 20+entry_count*4, 0, low_char, entry_count, *glyph_indexes].pack('nnN*') { :charmap => new_map, :subtable => subtable, :max_glyph_id => next_id+1 } end
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