@:value(cast 0)@:enum@:implinlineread onlyBUTT:CairoLineCap = 0
@:value(cast 1)@:enum@:implinlineread onlyROUND:CairoLineCap = 1
@:value(cast 2)@:enum@:implinlineread onlySQUARE:CairoLineCap = 2