Directly blend image in UIImageView with specific color in XCode Interface Builder

BlendImageView.swift

import UIKit

@IBDesignable
open class BlendImageView:UIImageView {
    
    @IBInspectable open var color:UIColor? {
        didSet {
            if self.image != nil {
                self.image = self.image?.image(withTint: color!)
            }
        }
    }
    
    @IBInspectable open var blendAlpha:CGFloat = 1 {
        didSet {
            if self.image != nil && self.color != nil {
                self.image = self.image?.image(withTint: color!, blendAlpha: alpha, blendMode: .destinationIn)
            }
        }
    }
    
}

extension UIImage {
    
    //Reference: https://onevcat.com/2013/04/using-blending-in-ios/
    open func image(withTint color:UIColor, blendAlpha alpha:CGFloat, blendMode mode:CGBlendMode) -> UIImage {
        UIGraphicsBeginImageContextWithOptions(size, false, 0)
        color.setFill()
        let bounds = CGRect(origin: .zero, size: size)
        UIRectFill(bounds)
        draw(in: bounds, blendMode: mode, alpha: alpha)
        let tinted = UIGraphicsGetImageFromCurrentImageContext()
        UIGraphicsEndImageContext()
        return tinted!
    }
    
}