---
title: "init(sizeOfLayoutData:textLayoutLength:offsetToLayoutControls:offsetToLineInfo:)"
framework: Application Services
role: symbol
role_heading: Initializer
platforms: [Mac Catalyst 13.0+, macOS 10.9+, xcode 9.0+]
path: applicationservices/atsflatdatatextlayoutdataheader/1463703-init
---

# init(sizeOfLayoutData:textLayoutLength:offsetToLayoutControls:offsetToLineInfo:)

## Declaration

```swift
init(sizeOfLayoutData: UInt32, textLayoutLength: UInt32, offsetToLayoutControls: UInt32, offsetToLineInfo: UInt32)
```