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