The library "libotf" provides the following facilites:
o Read Open Type Layout Tables from OTF file. Currently these
tables are supported; head, name, cmap, GDEF, GSUB, and GPOS.
o Convert a Unicode character sequence to a glyph code sequence
by using the above tables.
PR: ports/66816
Submitted by: Kimura Fuyuki <fuyuki@hadaly.org>