---
title: kCGImagePropertyTIFFTransferFunction
framework: imageio
role: symbol
role_heading: Global Variable
path: imageio/kcgimagepropertytifftransferfunction
---

# kCGImagePropertyTIFFTransferFunction

The transfer function, in tabular format, used to map pixel components from a nonlinear form into a linear form.

## Declaration

```swift
let kCGImagePropertyTIFFTransferFunction: CFString
```

## See Also

### Image Quality

- [kCGImagePropertyTIFFCompression](imageio/kcgimagepropertytiffcompression.md)
- [kCGImagePropertyTIFFPhotometricInterpretation](imageio/kcgimagepropertytiffphotometricinterpretation.md)