Created
May 13, 2019 13:59
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Swift String type extension for a height and width estimation
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| extension String { | |
| func height(withConstraintWidth width: CGFloat, font: UIFont = UIFont.systemFont(ofSize: 17)) -> CGFloat { | |
| let constraintRect = CGSize(width: width, height: .greatestFiniteMagnitude) | |
| let boundingBox = self.boundingRect(with: constraintRect, | |
| options: .usesLineFragmentOrigin, | |
| attributes: [NSAttributedString.Key.font: font], | |
| context: nil) | |
| return ceil(boundingBox.height) | |
| } | |
| func width(withConstraintHeight height: CGFloat, font: UIFont = UIFont.systemFont(ofSize: 17)) -> CGFloat { | |
| let constraintRect = CGSize(width: .greatestFiniteMagnitude, height: height) | |
| let boundingBox = self.boundingRect(with: constraintRect, | |
| options: .usesLineFragmentOrigin, | |
| attributes: [NSAttributedString.Key.font: font], | |
| context: nil) | |
| return ceil(boundingBox.width) | |
| } | |
| } |
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