버튼 내의 이미지가 조절이 안될 때 (1)

//이미지 리사이징이 꼭 필요하다!! extension UIImage { func resizeImage(size: CGSize) -> UIImage { let originalSize = self.size let ratio: CGFloat = { return originalSize.width > originalSize.height ? 1 / (size.width / originalSize.width) : 1 / (size.height / originalSize.height) }() return UIImage(cgImage: self.cgImage!, scale: self.scale * ratio, orientation: self.imageOrientation) } }