Shadow Effects for UITableView Cells

Shadows

//  GuestCellView.swift

import UIKit
import DynamicColor

class GuestCellView:UIView {
    
    override func awakeFromNib() {

        //applyCustomShadow(self)
    }
    
    func applyCurvedShadow(view: UIView) {
        let size = view.bounds.size
        let width = size.width
        let height = size.height
        let depth = CGFloat(11.0)
        let lessDepth = 0.8 * depth
        let curvyness = CGFloat(5)
        let radius = CGFloat(1)
        let path = UIBezierPath()
        
        // top left
        path.moveToPoint(CGPoint(x: radius, y: height))
        
        // top right
        path.addLineToPoint(CGPoint(x: width - 2*radius, y: height))
        
        // bottom right + a little extra
        path.addLineToPoint(CGPoint(x: width - 2*radius, y: height + depth))
        
        // path to bottom left via curve
        path.addCurveToPoint(CGPoint(x: radius, y: height + depth),
            controlPoint1: CGPoint(x: width - curvyness, y: height + lessDepth - curvyness),
            controlPoint2: CGPoint(x: curvyness, y: height + lessDepth - curvyness))
        
        let layer = view.layer
        layer.shadowPath = path.CGPath
        layer.shadowColor = UIColor.blackColor().CGColor
        layer.shadowOpacity = 0.3
        layer.shadowRadius = radius
        layer.shadowOffset = CGSize(width: 0, height: -3)
    }
    
    func applyHoverShadow(view: UIView) {
        let size = view.bounds.size
        let width = size.width
        let height = size.height
        
        let ovalRect = CGRect(x: 5, y: height + 5, width: width - 10, height: 15)
        let path = UIBezierPath(roundedRect: ovalRect, cornerRadius: 10)
        
        let layer = view.layer
        layer.shadowPath = path.CGPath
        layer.shadowColor = UIColor.blackColor().CGColor
        layer.shadowOpacity = 0.2
        layer.shadowRadius = 5
        layer.shadowOffset = CGSize(width: 0, height: 0)
    }
    
    func applyCustomShadow(view: UIView) {
        
        let layer = view.layer
        let superview  = view.superview
        
        layer.cornerRadius = 6
        layer.masksToBounds = true
        
        superview!.layer.backgroundColor = UIColor(hex: 0xffffff).CGColor
        superview!.layer.shadowPath = UIBezierPath(roundedRect:superview!.bounds, cornerRadius: 12.0).CGPath
        superview!.layer.shadowColor = UIColor(red: 0, green: 0, blue: 0, alpha:1).CGColor
        superview!.layer.shadowOffset = CGSize(width: 0, height: 1.0)
        superview!.layer.shadowOpacity = 0.3
        superview!.layer.shadowRadius = 2
        superview!.layer.cornerRadius = 12
        superview!.layer.masksToBounds = true
        superview!.clipsToBounds = false
    }
}