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# UIHDRHeadroomUsageLimit

```
enum UIHDRHeadroomUsageLimit
```

## Topics

### Enumeration Cases

[`case active`](/documentation/UIKit/UIHDRHeadroomUsageLimit/active)

Headroom usage limits are in effect, HDR headroom usage should be restricted

[`case inactive`](/documentation/UIKit/UIHDRHeadroomUsageLimit/inactive)

Headroom usage limits are disabled, HDR headroom usage is unrestricted.

[`case unspecified`](/documentation/UIKit/UIHDRHeadroomUsageLimit/unspecified)

Headroom usage limits are not defined

### Initializers

[`init?(rawValue: Int)`](/documentation/UIKit/UIHDRHeadroomUsageLimit/init(rawValue:))

## Relationships

### Conforms To

[`BitwiseCopyable`](/documentation/Swift/BitwiseCopyable)

[`RawRepresentable`](/documentation/Swift/RawRepresentable)

[`Hashable`](/documentation/Swift/Hashable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`Sendable`](/documentation/Swift/Sendable)

[`Equatable`](/documentation/Swift/Equatable)

---

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