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import UIKit | |
extension UIImage { | |
// colorize image with given tint color | |
// this is similar to Photoshop's "Color" layer blend mode | |
// this is perfect for non-greyscale source images, and images that have both highlights and shadows that should be preserved | |
// white will stay white and black will stay black as the lightness of the image is preserved | |
func tint(tintColor: UIColor) -> UIImage? { | |