<!--
{
  "availability" : [
    "iOS: 2.0.0 -",
    "iPadOS: 2.0.0 -",
    "macCatalyst: 13.1.0 -",
    "macOS: 10.4.0 -",
    "tvOS: -",
    "visionOS: 1.0.0 -",
    "watchOS: 2.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "CoreGraphics",
  "identifier" : "/documentation/CoreGraphics/CGAffineTransformIsIdentity(_:)",
  "metadataVersion" : "0.1.0",
  "role" : "Function",
  "symbol" : {
    "kind" : "Function",
    "modules" : [
      "Core Graphics"
    ],
    "preciseIdentifier" : "c:@F@CGAffineTransformIsIdentity"
  },
  "title" : "CGAffineTransformIsIdentity(_:)"
}
-->

# CGAffineTransformIsIdentity(_:)

Checks whether an affine transform is the identity transform.

```
func CGAffineTransformIsIdentity(_ t: CGAffineTransform) -> Bool
```

## Parameters

`t`

The affine transform to check.

## Return Value

Returns `true` if `t` is the identity transform, `false` otherwise.

## Discussion

---

Copyright &copy; 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)