Creates a bitmap image using JPEG-encoded data supplied by a data provider.
SDKs
- iOS 2.0+
- macOS 10.1+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 2.0+
Framework
- Core Graphics
Declaration
init?(jpegDataProviderSource source: CGData Provider, decode: Unsafe Pointer<CGFloat>?, shouldInterpolate: Bool, intent: CGColor Rendering Intent)
Parameters
source
A data provider supplying JPEG-encoded data.
decode
The decode array for the image. Typically a decode array is unnecessary, and you should pass
NULL
.shouldInterpolate
A Boolean value that specifies whether interpolation should occur. The interpolation setting specifies whether a pixel-smoothing algorithm should be applied to the image.
intent
A CGColorRenderingIntent constant that specifies how to handle colors that are not located within the gamut of the destination color space of a graphics context.
Return Value
A new CGImage. You are responsible for releasing this object by calling CGImage
.