---
title: Core Foundation Structures
framework: corefoundation
role: collectionGroup
role_heading: API Collection
path: corefoundation/core-foundation-structures
---

# Core Foundation Structures

## Topics

### Structures

- [CGAffineTransform](corefoundation/cgaffinetransform.md)
- [CGAffineTransformComponents](corefoundation/cgaffinetransformcomponents.md)
- [CGFloat](corefoundation/cgfloat-swift.struct.md)
- [CGPoint](corefoundation/cgpoint.md)
- [CGRect](corefoundation/cgrect.md)
- [CGSize](corefoundation/cgsize.md)
- [CGVector](corefoundation/cgvector.md)

## See Also

### Reference

- [CFStream](corefoundation/cfstream.md)
- [Core Foundation Enumerations](corefoundation/core-foundation-enumerations.md)
- [Core Foundation Constants](corefoundation/core-foundation-constants.md)
- [Core Foundation Functions](corefoundation/core-foundation-functions.md)
- [Core Foundation Data Types](corefoundation/core-foundation-data-types.md)
- [Core Foundation Macros](corefoundation/corefoundation-macros.md)