parent
d507d327c6
commit
947969a248
@ -0,0 +1,25 @@
|
||||
//
|
||||
// Extensions.swift
|
||||
// PodcastsApp
|
||||
//
|
||||
// Created by BREUIL Yohann on 20/05/2023.
|
||||
//
|
||||
|
||||
import Foundation
|
||||
import UIKit
|
||||
|
||||
extension UIImage {
|
||||
var averageColor: UIColor? {
|
||||
guard let inputImage = CIImage(image: self) else { return nil }
|
||||
let extentVector = CIVector(x: inputImage.extent.origin.x, y: inputImage.extent.origin.y, z: inputImage.extent.size.width, w: inputImage.extent.size.height)
|
||||
|
||||
guard let filter = CIFilter(name: "CIAreaAverage", parameters: [kCIInputImageKey: inputImage, kCIInputExtentKey: extentVector]) else { return nil }
|
||||
guard let outputImage = filter.outputImage else { return nil }
|
||||
|
||||
var bitmap = [UInt8](repeating: 0, count: 4)
|
||||
let context = CIContext(options: [.workingColorSpace: kCFNull])
|
||||
context.render(outputImage, toBitmap: &bitmap, rowBytes: 4, bounds: CGRect(x: 0, y: 0, width: 1, height: 1), format: .RGBA8, colorSpace: nil)
|
||||
|
||||
return UIColor(red: CGFloat(bitmap[0]) / 255, green: CGFloat(bitmap[1]) / 255, blue: CGFloat(bitmap[2]) / 255, alpha: CGFloat(bitmap[3]) / 255)
|
||||
}
|
||||
}
|
Loading…
Reference in new issue