#12從程式製作簡易國旗圖案

1.立陶宛

左為成品

程式碼：

import UIKit
import PlaygroundSupport
let rect1 = CGRect(x: 0, y: 0, width: 600, height: 402)
let flag = UIView(frame: rect1)
let rect2 = CGRect(x: 0, y: 0, width: 600, height: 134)
let yellowRectView = UIView(frame: rect2)
yellowRectView.layer.backgroundColor = UIColor(red: 253/255, green: 185/255, blue: 19/255, alpha: 1).cgColor
let rect3 = CGRect(x: 0, y: 134, width: 600, height: 134)
let greenRectView = UIView(frame: rect3)
greenRectView.layer.backgroundColor = UIColor(red: 0, green: 106/255, blue: 68/255, alpha: 1).cgColor
let rect4 = CGRect(x: 0, y: 268, width: 600, height: 134)
let redRectView = UIView(frame: rect4)
redRectView.layer.backgroundColor = UIColor(red: 193/255, green: 39/255, blue: 45/255, alpha: 1).cgColor
flag.addSubview(yellowRectView)
flag.addSubview(greenRectView)
flag.addSubview(redRectView)
PlaygroundPage.current.liveView = flag

2.日本

左為成品

程式碼：

import UIKit
import PlaygroundSupport
let rect = CGRect(x: 0, y: 0, width: 600, height: 400)
let flag = UIView(frame: rect)
flag.layer.backgroundColor = UIColor(red: 1, green: 1, blue: 1, alpha: 1).cgColor
let circle = CGRect(x: 200, y: 100, width: 200, height: 200)
let redCircle = UIView(frame: circle)
redCircle.layer.cornerRadius = 100
redCircle.layer.backgroundColor = UIColor(red: 1, green: 0, blue: 0, alpha: 1).cgColor
flag.layer.borderWidth = 1
flag.layer.borderColor = UIColor(red: 214/255, green: 214/255, blue: 214/255, alpha: 1).cgColor
flag.addSubview(redCircle)
PlaygroundPage.current.liveView = flag

3.法國

左為成品

程式碼：

import UIKit
import PlaygroundSupport
let rect1 = CGRect(x: 0, y: 0, width: 600, height: 400)
let flag = UIView(frame: rect1)
let rect2 = CGRect(x: 0, y: 0, width: 200, height: 400)
let blueRectView = UIView(frame: rect2)
blueRectView.layer.backgroundColor = UIColor(red: 0, green: 85/255, blue: 164/255, alpha: 1).cgColor
let rect3 = CGRect(x: 200, y: 0, width: 200, height: 400)
let whiteRectView = UIView(frame: rect3)
whiteRectView.layer.backgroundColor = UIColor(red: 0, green: 0, blue: 0, alpha: 0).cgColor
let rect4 = CGRect(x: 400, y: 0, width: 200, height: 400)
let redRectView = UIView(frame: rect4)
redRectView.layer.backgroundColor = UIColor(red: 239/255, green: 65/255, blue: 53/255, alpha: 1).cgColor
flag.addSubview(blueRectView)
flag.addSubview(whiteRectView)
flag.addSubview(redRectView)
PlaygroundPage.current.liveView = flag

參考資料：

#43 從程式製作國旗圖案