// // UIImage.swift // MyFirstProject // // Created by etudiant on 11/05/2023. // import Foundation import UIKit extension UIImage { var averageColor: UIColor? { guard let inputImage = CIImage(image: self) else { return nil } let extent = inputImage.extent let context = CIContext(options: nil) let ciFilter = CIFilter(name: "CIAreaAverage", parameters: [kCIInputImageKey: inputImage, kCIInputExtentKey: CIVector(cgRect: extent)])! var bitmap = [UInt8](repeating: 0, count: 4) context.render(ciFilter.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: 1.0) } }