64 lines
2.1 KiB
Swift
64 lines
2.1 KiB
Swift
//
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// NSAttributedString.swift
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// VDS
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//
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// Created by Matt Bruce on 5/30/23.
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//
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import Foundation
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import UIKit
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extension NSAttributedString {
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public static func spacer(for width: CGFloat) -> NSAttributedString {
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let spacerImage = UIImage()
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let spacerAttachment = NSTextAttachment()
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spacerAttachment.bounds = .init(x: 0, y: 0, width: width, height: 1)
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spacerAttachment.image = spacerImage
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return NSAttributedString(attachment: spacerAttachment)
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}
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}
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extension NSMutableAttributedString {
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public static var useScaledLineHeight: Bool = false
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public static func mutableText(for text: String, textStyle: TextStyle, useScaledFont: Bool = true, textColor: UIColor, alignment: NSTextAlignment = .left, lineBreakMode: NSLineBreakMode) -> NSMutableAttributedString {
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//var for if you can scale or not
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let scaledMode = useScaledFont && TextStyle.canScaleFonts
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//create the paragraph for specific properties
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let paragraph = NSMutableParagraphStyle()
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paragraph.alignment = alignment
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paragraph.lineBreakMode = lineBreakMode
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var defaultFont = textStyle.font
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var lineHeight = textStyle.lineHeight
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if scaledMode {
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defaultFont = defaultFont.scaledFont
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if useScaledLineHeight {
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lineHeight = textStyle.scaledLineHeight
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}
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}
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//set lineHeight
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if textStyle.lineHeight > 0.0 {
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paragraph.minimumLineHeight = lineHeight
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paragraph.maximumLineHeight = lineHeight
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}
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//create the attributeArray
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var attributes: [NSAttributedString.Key : Any] = [.font: defaultFont,
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.foregroundColor: textColor,
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.paragraphStyle: paragraph]
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//set letterSpacing
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if textStyle.letterSpacing > 0.0 {
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attributes[.kern] = textStyle.letterSpacing
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}
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return NSMutableAttributedString(string: text, attributes: attributes)
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}
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}
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