---
title: kCGImagePropertyJFIFDensityUnit
framework: imageio
role: symbol
role_heading: Global Variable
path: imageio/kcgimagepropertyjfifdensityunit
---

# kCGImagePropertyJFIFDensityUnit

The units for the x and y density fields.

## Declaration

```swift
let kCGImagePropertyJFIFDensityUnit: CFString
```

## See Also

### Quality Information

- [kCGImagePropertyJFIFXDensity](imageio/kcgimagepropertyjfifxdensity.md)
- [kCGImagePropertyJFIFYDensity](imageio/kcgimagepropertyjfifydensity.md)
- [kCGImagePropertyJFIFIsProgressive](imageio/kcgimagepropertyjfifisprogressive.md)