style_name:String
num_glyphs:Int
kerning:Array<NativeKerningData>
is_italic:Bool
is_fixed_width:Bool
is_bold:Bool
height:Int
has_kerning:Bool
has_glyph_names:Bool
glyphs:Array<NativeGlyphData>
family_name:String
em_size:Int
descend:Int
ascend:Int