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# rotate(by:)

Rotates subsequent drawing operations by an angle.

```
mutating func rotate(by angle: Angle)
```

## Parameters

`angle`

The amount to rotate.

## Discussion

Calling this method is equivalent to updating the context’s
[`transform`](/documentation/SwiftUI/GraphicsContext/transform) directly using the `angle` parameter:

```
transform = transform.rotated(by: angle.radians)
```

---

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