---
title: contentHeadroom
framework: coregraphics
role: symbol
role_heading: Instance Property
path: coregraphics/cgimage/contentheadroom
---

# contentHeadroom

## Declaration

```swift
var contentHeadroom: Float { get }
```

## See Also

### Adopting high dynamic range (HDR)

- [Enhancing high dynamic range image rendering](coregraphics/adopting-advancements-in-hdr-image-rendering.md)
- [calculatedContentHeadroom](coregraphics/cgimage/calculatedcontentheadroom.md)
- [contentAverageLightLevel](coregraphics/cgimage/contentaveragelightlevel.md)
- [calculatedContentAverageLightLevel](coregraphics/cgimage/calculatedcontentaveragelightlevel.md)
- [copy(contentAverageLightLevel:)](coregraphics/cgimage/copy(contentaveragelightlevel:).md)
- [copyWithCalculatedHDRStats()](coregraphics/cgimage/copywithcalculatedhdrstats().md)