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21 lines
824 B
21 lines
824 B
//
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// UIImage.swift
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// MyFirstProject
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//
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// Created by etudiant on 11/05/2023.
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//
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import Foundation
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import UIKit
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extension UIImage {
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var averageColor: UIColor? {
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guard let inputImage = CIImage(image: self) else { return nil }
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let extent = inputImage.extent
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let context = CIContext(options: nil)
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let ciFilter = CIFilter(name: "CIAreaAverage", parameters: [kCIInputImageKey: inputImage, kCIInputExtentKey: CIVector(cgRect: extent)])!
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var bitmap = [UInt8](repeating: 0, count: 4)
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context.render(ciFilter.outputImage!, toBitmap: &bitmap, rowBytes: 4, bounds: CGRect(x: 0, y: 0, width: 1, height: 1), format: .RGBA8, colorSpace: nil)
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return UIColor(red: CGFloat(bitmap[0]) / 255, green: CGFloat(bitmap[1]) / 255, blue: CGFloat(bitmap[2]) / 255, alpha: 1.0)
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}
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}
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