remove the shadow padding and draw the shadow out of the bound instead

[yangweigbh]

remove the shadow padding and draw the shadow out of the bound instead

[JlUgia]

Well, there's an inconvenient of doing it this way and this is that it'd be necessary to have the shadowWidth into account when placing your subviews inside of the sliding layer, because otherwise they'll appear above the shadow.
The right approach here would be to limit the content to the boundaries of the container (without shadow) while still drawing the shadow with a certain offset.
Up until now I've tried but I haven't been able to get something that I was happy with.
Count on me if you give it a try :)