---
title: vImageCVImageFormat.Format.format32AlphaGray
framework: accelerate
role: symbol
role_heading: Case
path: accelerate/vimagecvimageformat/format/format32alphagray
---

# vImageCVImageFormat.Format.format32AlphaGray

A big-endian 16-bit grayscale with alpha pixel format with black equal to zero.

## Declaration

```swift
case format32AlphaGray
```

## See Also

### Monochrome format constants

- [vImageCVImageFormat.Format.format16Gray](accelerate/vimagecvimageformat/format/format16gray.md)