---
title: alphaNonpremultiplied
framework: appkit
role: symbol
role_heading: Type Property
path: appkit/nsbitmapimagerep/format/alphanonpremultiplied
---

# alphaNonpremultiplied

A format where alpha values are not premultiplied.

## Declaration

```swift
static var alphaNonpremultiplied: NSBitmapImageRep.Format { get }
```

## Discussion

Discussion If this option is not specified, alpha values are premultiplied.

## See Also

### Constants

- [alphaFirst](appkit/nsbitmapimagerep/format/alphafirst.md)
- [floatingPointSamples](appkit/nsbitmapimagerep/format/floatingpointsamples.md)
- [sixteenBitBigEndian](appkit/nsbitmapimagerep/format/sixteenbitbigendian.md)
- [sixteenBitLittleEndian](appkit/nsbitmapimagerep/format/sixteenbitlittleendian.md)
- [thirtyTwoBitBigEndian](appkit/nsbitmapimagerep/format/thirtytwobitbigendian.md)
- [thirtyTwoBitLittleEndian](appkit/nsbitmapimagerep/format/thirtytwobitlittleendian.md)