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