---
title: NSAlphaFirstBitmapFormat
framework: appkit
role: symbol
role_heading: Global Variable
path: appkit/nsalphafirstbitmapformat
---

# NSAlphaFirstBitmapFormat

A format where the alpha value comes first.

## Declaration

```occ
static const NSBitmapFormat NSAlphaFirstBitmapFormat;
```

## Discussion

Discussion If this option is not specified, alpha values are the last component specified, as in CMYKA and RGBA.

## See Also

### Deprecated Constants

- [NSAlphaNonpremultipliedBitmapFormat](appkit/nsalphanonpremultipliedbitmapformat.md)
- [NSFloatingPointSamplesBitmapFormat](appkit/nsfloatingpointsamplesbitmapformat.md)
- [NS16BitLittleEndianBitmapFormat](appkit/ns16bitlittleendianbitmapformat.md)
- [NS32BitLittleEndianBitmapFormat](appkit/ns32bitlittleendianbitmapformat.md)
- [NS16BitBigEndianBitmapFormat](appkit/ns16bitbigendianbitmapformat.md)
- [NS32BitBigEndianBitmapFormat](appkit/ns32bitbigendianbitmapformat.md)