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Image I/O / kCGImageDestinationEncodeGainMapSubsampleFactor

kCGImageDestinationEncodeGainMapSubsampleFactor

Declaration

let kCGImageDestinationEncodeGainMapSubsampleFactor: CFString

Open on developer.apple.com

Image I/OGlobal Variable

iOS 26.0+iPadOS 26.0+Mac Catalyst 26.0+macOS 26.0+tvOS 26.0+visionOS 26.0+watchOS 26.0+

Built on 2026-05-07