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27 lines
964 B
Swift
27 lines
964 B
Swift
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@objc(LKIdenticon)
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public final class Identicon : NSObject {
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@objc public static func generatePlaceholderIcon(seed: String, text: String, size: CGFloat) -> UIImage {
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let icon = PlaceholderIcon(seed: seed)
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var content = text
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if content.count > 2 && content.hasPrefix("05") {
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content.removeFirst(2)
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}
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let initials: String = content
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.split(separator: " ")
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.compactMap { word in word.first.map { String($0) } }
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.joined()
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let layer = icon.generateLayer(
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with: size,
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text: (initials.count >= 2 ?
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initials.substring(to: 2).uppercased() :
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content.substring(to: 2).uppercased()
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)
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)
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let rect = CGRect(origin: CGPoint.zero, size: layer.frame.size)
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let renderer = UIGraphicsImageRenderer(size: rect.size)
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return renderer.image { layer.render(in: $0.cgContext) }
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}
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}
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