---
title: CIToneMapHeadroom
framework: coreimage
role: symbol
role_heading: Protocol
path: coreimage/citonemapheadroom
---

# CIToneMapHeadroom

## Declaration

```swift
protocol CIToneMapHeadroom : CIFilterProtocol
```

## Topics

### Instance Properties

- [inputImage](coreimage/citonemapheadroom/inputimage.md)
- [sourceHeadroom](coreimage/citonemapheadroom/sourceheadroom.md)
- [targetHeadroom](coreimage/citonemapheadroom/targetheadroom.md)

## Relationships

### Inherits From

- [CIFilterProtocol](coreimage/cifilterprotocol.md)

## See Also

### Protocols

- [CIAreaBoundsRed](coreimage/ciareaboundsred.md)
- [CIMaximumScaleTransform](coreimage/cimaximumscaletransform.md)