---
title: kCGImagePropertyDNGMaskedAreas
framework: imageio
role: symbol
role_heading: Global Variable
path: imageio/kcgimagepropertydngmaskedareas
---

# kCGImagePropertyDNGMaskedAreas

A list of non-overlapping rectangles that contain fully masked pixels in the image.

## Declaration

```swift
let kCGImagePropertyDNGMaskedAreas: CFString
```

## See Also

### Crop Data

- [kCGImagePropertyDNGActiveArea](imageio/kcgimagepropertydngactivearea.md)
- [kCGImagePropertyDNGDefaultCropOrigin](imageio/kcgimagepropertydngdefaultcroporigin.md)
- [kCGImagePropertyDNGDefaultCropSize](imageio/kcgimagepropertydngdefaultcropsize.md)
- [kCGImagePropertyDNGDefaultUserCrop](imageio/kcgimagepropertydngdefaultusercrop.md)