RomanEsin
/ replaceColor.swift
Last active
October 20, 2022 19:35
— forked from andrey-str/replaceColor.swift
Replace color in UIImage with give tolerance value
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| // color - source color, which is must be replaced | |
| // withColor - target color | |
| // tolerance - value in range from 0 to 1 | |
| func replaceColor(color: UIColor, withColor: UIColor, image: UIImage, tolerance: CGFloat) -> UIImage { | |
| // This function expects to get source color(color which is supposed to be replaced) | |
| // and target color in RGBA color space, hence we expect to get 4 color components: r, g, b, a | |
| assert(color.cgColor.numberOfComponents == 4 && withColor.cgColor.numberOfComponents == 4, | |
| "Must be RGBA colorspace") |