code: def _load_encoding(self):
      # map character code to bitmap index
      encoding = [None] * 256
  
      fp, format, i16, i32 = self._getformat(PCF_BDF_ENCODINGS)
  
      firstCol, lastCol = i16(fp.read(2)), i16(fp.read(2))
      firstRow, lastRow = i16(fp.read(2)), i16(fp.read(2))
  
      i16(fp.read(2))  # default
  
      nencoding = (lastCol - firstCol + 1) * (lastRow - firstRow + 1)
  
      for i in range(nencoding):
          encodingOffset = i16(fp.read(2))
          if encodingOffset != 0xFFFF:
              try:
                  encoding[i + firstCol] = encodingOffset
              except IndexError:
                  break  # only load ISO-8859-1 glyphs
  
      return encoding
  
file_path: catboost/contrib/python/Pillow/py2/PIL/PcfFontFile.py
imports: import io
  from .None import FontFile, Image
  from ._binary import i8, i16be, i16le, i32be, i32le
label_desc: Use image node_id 6 for calling the PcfFontFile obj's underlying member method code with example usage: obj._load_encoding() and returns: encoding