---
title: ImmersiveDynamicMask.EdgeTreatment.linear
framework: Immersive Media Support
role: symbol
role_heading: Case
platforms: [iOS 26.4+, iPadOS 26.4+, Mac Catalyst 26.4+, macOS 26.0+, visionOS 26.0+]
path: immersivemediasupport/immersivedynamicmask/edgetreatment-swift.enum/linear
---

# ImmersiveDynamicMask.EdgeTreatment.linear

## Declaration

```swift
case linear
```