new()
cff:Stbtt__buf
charstrings:Stbtt__buf
data:Blob
fdselect:Stbtt__buf
fontdicts:Stbtt__buf
fontstart:Int
glyf:Int
gpos:Int
gsubrs:Stbtt__buf
head:Int
hhea:Int
hmtx:Int
indexToLocFormat:Int
index_map:Int
kern:Int
loca:Int
numGlyphs:Int
subrs:Stbtt__buf