# cgRect(for:) Returns a Core Graphics rectangle structure corresponding to the data in a given string. ``` class func cgRect(for string: String) -> CGRect ``` ## Parameters `string` A string whose contents are of the form “{{*x*,*y*},{*w*, *h*}}”, where *x* is the x coordinate, *y* is the y coordinate, *w* is the width, and *h* is the height. These components can represent integer or float values. An example of a valid string is @”{{3,2},{4,5}}”. The string is not localized, so items are always separated with a comma. ## Return Value A Core Graphics structure that represents a rectangle. If the string is not well-formed, the function returns . ## Discussion In general, you should use this function only to convert strings that were previously created using the [`string(for:)`](/documentation/Foundation/NSCoder/string(for:)-4qz0a) function. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)