---
title: CGToneMapping.referenceWhiteBased
framework: coregraphics
role: symbol
role_heading: Case
path: coregraphics/cgtonemapping/referencewhitebased
---

# CGToneMapping.referenceWhiteBased

## Declaration

```swift
case referenceWhiteBased
```

## See Also

### Enumeration Cases

- [CGToneMapping.default](coregraphics/cgtonemapping/default.md)
- [CGToneMapping.exrGamma](coregraphics/cgtonemapping/exrgamma.md)
- [CGToneMapping.imageSpecificLumaScaling](coregraphics/cgtonemapping/imagespecificlumascaling.md)
- [CGToneMapping.ituRecommended](coregraphics/cgtonemapping/iturecommended.md)
- [CGToneMapping.none](coregraphics/cgtonemapping/none.md)