63 lines
2.0 KiB
Swift
63 lines
2.0 KiB
Swift
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//
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// AttributeString.swift
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// Crush
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//
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// Created by Leon on 2025/8/26.
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//
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/// 业务经常用到的一些AttributeString生成方法
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extension NSAttributedString{
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/// 图片+文字的AttribueString。默认黑色vip+黑色文字
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static func getIconTitleAttributeByWords(
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words: String,
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icon: IconCode? = nil,
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iconImage: UIImage? = nil,
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iconSize: CGSize = CGSize(width: 24, height: 24),
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iconColor: UIColor = .black,
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textFont: UIFont = .t.tbsl,
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textColor: UIColor = .black
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) -> NSAttributedString {
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let attributedString = NSMutableAttributedString()
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// 公共方法：生成 icon 的 NSTextAttachment
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func makeAttachment(with image: UIImage) -> NSAttributedString {
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let attachment = NSTextAttachment()
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attachment.image = image
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// 计算垂直偏移，使图标和文字基线对齐
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let yOffset = (textFont.capHeight - iconSize.height) / 2
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attachment.bounds = CGRect(
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x: 0,
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y: yOffset,
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width: iconSize.width,
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height: iconSize.height
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)
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return NSAttributedString(attachment: attachment)
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}
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// 1. 如果传了外部 image
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if let customImage = iconImage {
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attributedString.append(makeAttachment(with: customImage))
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}
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// 2. 否则使用 iconFont 生成的 image
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else if let iconCode = icon, let fontImage = MWIconFont.image(fromIcon: iconCode, size: iconSize, color: iconColor) {
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attributedString.append(makeAttachment(with: fontImage))
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}
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// 3. 拼接文字
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let text = " \(words)"
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let textAttributedString = NSAttributedString(
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string: text,
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attributes: [
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.font: textFont,
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.foregroundColor: textColor
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]
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)
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attributedString.append(textAttributedString)
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return attributedString
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}
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}
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