TMPL_129_PIC#.txt
Version: 2-byte integer (hex) (257 = Default)
InUse: 2-byte zero fill
Offset X: 1-byte integer (decimal)
Offset Y: 1-byte integer (decimal)
PICT Resources: list (2-byte one-based item count)
  Depth Mask: 1-byte integer (hex)
  Reserved: 1-byte zero fill
  ResNum: 2-byte integer (decimal)
  … or ResID (4-letter name): 4-byte integer (char)
  Pict: 4-byte zero fill