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Getting String width and height for provided UIFont
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| import UIKit | |
| extension String { | |
| func height(withConstrainedWidth width: CGFloat, font: UIFont) -> CGFloat { | |
| let constraintRect = CGSize(width: width, height: .greatestFiniteMagnitude) | |
| let boundingBox = self.boundingRect(with: constraintRect, options: .usesLineFragmentOrigin, attributes: [.font: font], context: nil) | |
| return ceil(boundingBox.height) | |
| } | |
| func width(withConstrainedHeight height: CGFloat, font: UIFont) -> CGFloat { | |
| let constraintRect = CGSize(width: .greatestFiniteMagnitude, height: height) | |
| let boundingBox = self.boundingRect(with: constraintRect, options: .usesLineFragmentOrigin, attributes: [.font: font], context: nil) | |
| return ceil(boundingBox.width) | |
| } | |
| } | |
| extension NSAttributedString { | |
| func height(withConstrainedWidth width: CGFloat) -> CGFloat { | |
| let constraintRect = CGSize(width: width, height: .greatestFiniteMagnitude) | |
| let boundingBox = boundingRect(with: constraintRect, options: .usesLineFragmentOrigin, context: nil) | |
| return ceil(boundingBox.height) | |
| } | |
| func width(withConstrainedHeight height: CGFloat) -> CGFloat { | |
| let constraintRect = CGSize(width: .greatestFiniteMagnitude, height: height) | |
| let boundingBox = boundingRect(with: constraintRect, options: .usesLineFragmentOrigin, context: nil) | |
| return ceil(boundingBox.width) | |
| } | |
| } |
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