metatext/Extensions/NSMutableAttributedString+Extensions.swift
Justin Mazzocchi 9b59e2fbea
wip
2020-08-30 16:33:32 -07:00

28 lines
997 B
Swift

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