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