畫一條垂直線

Question

我想在我的狀態欄應用中放置一個圖像（我將創建），並且此圖像應該由垂直線構成，但我現在不會如何繪製它們。

Answer 1

實測值

let graphWidth: CGFloat = 22.0; 
let graphHeight: CGFloat = 22.0 
let size = NSMakeSize(graphWidth, graphHeight) 
let image = NSImage(size: size) 
image.lockFocus() 

let path = NSBezierPath() 
path.move(to: NSPoint(x: 20.0, y: 0)) 
path.line(to: NSPoint(x: 20.0, y: 20.0)) 
path.stroke() 
image.unlockFocus() 

statusItem.image = image