#14從 playground 調色去背圖片

成品：

1.僅更改背景顏色（左圖）

程式碼：

import UIKit
let rimuruImage = UIImage(named: "rimuru.png")
let rimuruImageView =  UIImageView(image: rimuruImage)
rimuruImageView.backgroundColor = UIColor(red: 1, green: 1, blue: 0, alpha: 0.3)

2.結合星空背景，並更改顏色（右圖）

程式碼：

import UIKit
let rimuruImage = UIImage(named: "rimuru.png")
let rimuruImageView =  UIImageView(image: rimuruImage)
let starskyImageView = UIImageView(image: UIImage(named: "starsky.jpg"))
starskyImageView.frame = rimuruImageView.frame
starskyImageView.addSubview(rimuruImageView)
rimuruImageView.backgroundColor = UIColor(red:1 , green: 0, blue:1 , alpha: 0.3)
starskyImageView

參考資料：

從 playground 調色去背圖片