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# CIDynamicRangeOption

An enum string type that your code can use to select different System Tone Mapping modes.

```
struct CIDynamicRangeOption
```

## Overview

These options are consistent with the analogous options available in Core Graphics,
Core Animation, AppKit, UIKit, and SwiftUI,
In Core Image, this option can be set on the `CISystemToneMap` filter.

## Topics

### Enumeration Cases

[`standard`](/documentation/CoreImage/CIDynamicRangeOption/standard)

Use Standard dynamic range.

[`constrainedHigh`](/documentation/CoreImage/CIDynamicRangeOption/constrainedHigh)

Use extended dynamic range, but brightness is modulated to optimize for
co-existence with other composited content.

[`high`](/documentation/CoreImage/CIDynamicRangeOption/high)

Use High dynamic range.


---

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