CIFilter_CompositeOperation_SaturationBlendMode - linhay/Stem GitHub Wiki

CIFilter.CompositeOperation.SaturationBlendMode

Discussion Areas of the background that have no saturation (that is, pure gray areas) do not produce a change. The formula used to create this filter is described in the PDF specification, which is available online from the Adobe Developer Center. See PDF Reference and Adobe Extensions to the PDF Specification.

public struct SaturationBlendMode: CIFilterContainerProtocol

Inheritance

CIFilterContainerProtocol

Initializers

init()

init()

Properties

filter

var filter: CIFilter

image

A CIImage object whose display name is Image.

var image: CIImage?

backgroundImage

A CIImage object whose display name is Background Image.

var backgroundImage: CIImage?