---
title: "init(contextSize:isBitmap:drawUsing:)"
framework: QuickLook UI
role: symbol
role_heading: Initializer
platforms: [macOS 12.0+]
path: "quicklookui/qlpreviewreply/init(contextsize:isbitmap:drawusing:)"
---

# init(contextSize:isBitmap:drawUsing:)

## Declaration

```swift
convenience init(contextSize: CGSize, isBitmap: Bool, drawUsing closure: @escaping (CGContext, QLPreviewReply) throws -> Void)
```