Files
simplex-chat/apps/ios/Shared/Views/Chat/Emoji.swift
Stanislav Dmitrenko b4de9c266b ios: Ability to add stickers (#1593)
* ios: Ability to add stickers

* fix text alignment for correct input field height

* refactor

Co-authored-by: Evgeny Poberezkin <2769109+epoberezkin@users.noreply.github.com>
2022-12-17 09:01:49 +00:00

34 lines
1.1 KiB
Swift

//
// Emoji.swift
// SimpleX
//
// Created by Evgeny Poberezkin on 04/02/2022.
// Copyright © 2022 SimpleX Chat. All rights reserved.
//
import Foundation
import SwiftUI
private func isSimpleEmoji(_ c: Character) -> Bool {
guard let firstScalar = c.unicodeScalars.first else { return false }
return firstScalar.properties.isEmoji && firstScalar.value > 0x238C
}
private func isCombinedIntoEmoji(_ c: Character) -> Bool {
c.unicodeScalars.count > 1 && c.unicodeScalars.first?.properties.isEmoji ?? false
}
func isEmoji(_ c: Character) -> Bool {
isSimpleEmoji(c) || isCombinedIntoEmoji(c)
}
func isShortEmoji(_ str: String) -> Bool {
let s = str.trimmingCharacters(in: .whitespaces)
return s.count > 0 && s.count <= 5 && s.allSatisfy(isEmoji)
}
let largeEmojiFont = Font.custom("Emoji", size: 48, relativeTo: .largeTitle)
let largeEmojiUIFont: UIFont = UIFont(name: "Emoji", size: 48) ?? UIFont.systemFont(ofSize: 48)
let mediumEmojiFont = Font.custom("Emoji", size: 36, relativeTo: .largeTitle)
let mediumEmojiUIFont: UIFont = UIFont(name: "Emoji", size: 36) ?? UIFont.systemFont(ofSize: 36)