---
title: "scale(_:)"
framework: foundation
role: symbol
role_heading: Instance Method
path: "foundation/affinetransform/scale(_:)"
---

# scale(_:)

Mutates an affine transformation matrix to apply scaling in both x and y dimensions.

## Declaration

```swift
mutating func scale(_ scale: CGFloat)
```

## Parameters

- `scale`: The scale factor.

## See Also

### Accumulating Tranformations

- [rotate(byDegrees:)](foundation/affinetransform/rotate(bydegrees:).md)
- [rotate(byRadians:)](foundation/affinetransform/rotate(byradians:).md)
- [scale(x:y:)](foundation/affinetransform/scale(x:y:).md)
- [translate(x:y:)](foundation/affinetransform/translate(x:y:).md)
- [append(_:)](foundation/affinetransform/append(_:).md)
- [prepend(_:)](foundation/affinetransform/prepend(_:).md)
- [invert()](foundation/affinetransform/invert().md)
- [inverted()](foundation/affinetransform/inverted().md)