28 lines
981 B
Swift
28 lines
981 B
Swift
// Copyright © 2020 Metabolist. All rights reserved.
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import UIKit
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import Kingfisher
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extension NSMutableAttributedString {
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func insert(emoji: [Emoji], view: UIView) {
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for emoji in emoji {
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let token = ":\(emoji.shortcode):"
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while let tokenRange = string.range(of: token) {
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let attachment = NSTextAttachment()
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attachment.kf.setImage(with: emoji.url, attributedView: view)
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replaceCharacters(in: NSRange(tokenRange, in: string), with: NSAttributedString(attachment: attachment))
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}
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}
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}
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func resizeAttachments(toLineHeight lineHeight: CGFloat) {
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enumerateAttribute(.attachment, in: NSRange(location: 0, length: length), options: []) { attribute, _, _ in
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guard let attachment = attribute as? NSTextAttachment else { return }
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attachment.bounds = CGRect(x: 0, y: lineHeight * -0.25, width: lineHeight, height: lineHeight)
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}
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}
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}
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