---
title: vImageCVImageFormat.Format.format2IndexedGray_WhiteIsZero
framework: accelerate
role: symbol
role_heading: Case
path: accelerate/vimagecvimageformat/format/format2indexedgray_whiteiszero
---

# vImageCVImageFormat.Format.format2IndexedGray_WhiteIsZero

A 2-bit indexed pixel format with white equal to zero.

## Declaration

```swift
case format2IndexedGray_WhiteIsZero
```

## Discussion

Discussion This pixel format supports color spaces that are CGColorSpaceModel.indexed.

## See Also

### Indexed color format constants

- [vImageCVImageFormat.Format.format1Monochrome](accelerate/vimagecvimageformat/format/format1monochrome.md)
- [vImageCVImageFormat.Format.format1IndexedGray_WhiteIsZero](accelerate/vimagecvimageformat/format/format1indexedgray_whiteiszero.md)
- [vImageCVImageFormat.Format.format2Indexed](accelerate/vimagecvimageformat/format/format2indexed.md)
- [vImageCVImageFormat.Format.format4Indexed](accelerate/vimagecvimageformat/format/format4indexed.md)
- [vImageCVImageFormat.Format.format4IndexedGray_WhiteIsZero](accelerate/vimagecvimageformat/format/format4indexedgray_whiteiszero.md)
- [vImageCVImageFormat.Format.format8Indexed](accelerate/vimagecvimageformat/format/format8indexed.md)
- [vImageCVImageFormat.Format.format8IndexedGray_WhiteIsZero](accelerate/vimagecvimageformat/format/format8indexedgray_whiteiszero.md)