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Last active Aug 14, 2019
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NSImageView with rounded corners
// XCode 8.3
// Swift 3.1
import Cocoa
class SomeViewController: NSViewController {
@IBOutlet weak var artwork: NSImageView!
override func viewDidLoad() {
artwork.wantsLayer = true // Use a layer as backing store for this view
artwork.canDrawSubviewsIntoLayer = true // Important, flatten all subviews into layer
artwork.layer?.cornerRadius = 4.0
artwork.layer?.masksToBounds = true // Mask layer
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