---
title: NSAffineTransformStruct
framework: foundation
role: symbol
role_heading: Structure
path: foundation/nsaffinetransformstruct
---

# NSAffineTransformStruct

A structure that defines the three-by-three matrix that performs an affine transform between two coordinate systems.

## Declaration

```swift
struct NSAffineTransformStruct
```

## Overview

Overview For more details, see Cocoa Drawing Guide.

## Topics

### Initializers

- [init()](foundation/nsaffinetransformstruct/init().md)
- [init(m11:m12:m21:m22:tX:tY:)](foundation/nsaffinetransformstruct/init(m11:m12:m21:m22:tx:ty:).md)

### Instance Properties

- [m11](foundation/nsaffinetransformstruct/m11.md)
- [m12](foundation/nsaffinetransformstruct/m12.md)
- [m21](foundation/nsaffinetransformstruct/m21.md)
- [m22](foundation/nsaffinetransformstruct/m22.md)
- [tX](foundation/nsaffinetransformstruct/tx.md)
- [tY](foundation/nsaffinetransformstruct/ty.md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Accessing the Transformation Matrix

- [transformStruct](foundation/nsaffinetransform/transformstruct.md)