Instance Propertyswift-png 4.4.5PNG
b
The chromaticity of the blue component of an image, expressed as a pair of fractions.
PNG.Chromaticity.swift:23let b: (x: Percentmille, y: Percentmille)Other members in extension
Type members
init(parsing: [UInt8]) throws Creates a chromaticity descriptor by parsing the given chunk data.
init(w: (x: Percentmille, y: Percentmille), r: (x: Percentmille, y: Percentmille), g: (x: Percentmille, y: Percentmille), b: (x: Percentmille, y: Percentmille)) Creates a chromaticity descriptor with the given values.
Instance members
var description: Stringlet g: (x: Percentmille, y: Percentmille)The chromaticity of the green component of an image, expressed as a pair of fractions.
let r: (x: Percentmille, y: Percentmille)The chromaticity of the red component of an image, expressed as a pair of fractions.
var serialized: [UInt8]Encodes this chromaticity descriptor as the contents of a
cHRMchunk.let w: (x: Percentmille, y: Percentmille)The white point of an image, expressed as a pair of fractions.