---
title: CGImageAlphaInfo.last
framework: coregraphics
role: symbol
role_heading: Case
path: coregraphics/cgimagealphainfo/last
---

# CGImageAlphaInfo.last

The alpha component is stored in the least significant bits of each pixel. For example, non-premultiplied RGBA.

## Declaration

```swift
case last
```

## See Also

### Constants

- [CGImageAlphaInfo.first](coregraphics/cgimagealphainfo/first.md)
- [CGImageAlphaInfo.none](coregraphics/cgimagealphainfo/none.md)
- [CGImageAlphaInfo.noneSkipFirst](coregraphics/cgimagealphainfo/noneskipfirst.md)
- [CGImageAlphaInfo.alphaOnly](coregraphics/cgimagealphainfo/alphaonly.md)
- [CGImageAlphaInfo.noneSkipLast](coregraphics/cgimagealphainfo/noneskiplast.md)
- [CGImageAlphaInfo.premultipliedFirst](coregraphics/cgimagealphainfo/premultipliedfirst.md)
- [CGImageAlphaInfo.premultipliedLast](coregraphics/cgimagealphainfo/premultipliedlast.md)