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Image I/O / kCGImagePropertyASTCBlockSize

kCGImagePropertyASTCBlockSize

Declaration

let kCGImagePropertyASTCBlockSize: CFString

Open on developer.apple.com

Image I/OGlobal Variable

iOS 10.0+iPadOS 10.0+Mac Catalyst 13.1+macOS 10.12+tvOS 10.0+visionOS 1.0+watchOS 3.0+

Built on 2026-05-07