# `hhea`: Horizontal Header Table

class fontTools.ttLib.tables._h_h_e_a.table__h_h_e_a(tag=None)
  property ascender
  compile(ttFont)
  decompile(data, ttFont)
  dependencies = ['hmtx', 'glyf', 'CFF ', 'CFF2']
  property descender
  fromXML(name, attrs, content, ttFont)
  merge(m, tables)
  mergeMap = {'*': <function equal>, 'advanceWidthMax': <built-in function max>, 'ascent': <built-in function max>, 'caretOffset': <function first>, 'caretSlopeRise': <function first>, 'caretSlopeRun': <function first>, 'descent': <built-in function min>, 'lineGap': <built-in function max>, 'minLeftSideBearing': <built-in function min>, 'minRightSideBearing': <built-in function min>, 'numberOfHMetrics': <function recalculate>, 'tableTag': <function equal>, 'tableVersion': <built-in function max>, 'xMaxExtent': <built-in function max>}
  recalc(ttFont)
  toXML(writer, ttFont)