ASDisplayNode draw shadow & border

ASDisplayNodeDraw

    override class func drawRect(
        bounds: CGRect,
        withParameters parameters: NSObjectProtocol!,
        isCancelled isCancelledBlock: asdisplaynode_iscancelled_block_t!,
        isRasterizing: Bool) {

        let context = UIGraphicsGetCurrentContext()
        CGContextSaveGState(context)
            
        CGContextSetShadowWithColor(context, CGSize (width: 0, height: 1), 10, UIColor.TitleColor().CGColor)

        super.drawRect(
            bounds,
            withParameters: parameters,
            isCancelled: isCancelledBlock,
            isRasterizing: isRasterizing)

        let path = UIBezierPath (roundedRect: bounds, cornerRadius: 5)
        UIColor.redColor().setStroke()
        path.stroke()

        CGContextRestoreGState(context)
    }