From 7b9f49233e7d514c5909a3563a0aa69f228bb947 Mon Sep 17 00:00:00 2001
From: EunsuSeo01 <eunsu0613@naver.com>
Date: Mon, 30 Dec 2024 04:54:32 +0900
Subject: [PATCH] =?UTF-8?q?[Feat]=20#319=20-=20text=EC=97=90=20=EB=94=B0?=
 =?UTF-8?q?=EB=9D=BC=20UILabel=20=EC=A4=84=EB=B0=94=EA=BF=88=EC=9D=B4=20?=
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UILabel+에 추가함
---
 .../Global/Extensions/UILabel+.swift          | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/Hankkijogbo/Hankkijogbo/Global/Extensions/UILabel+.swift b/Hankkijogbo/Hankkijogbo/Global/Extensions/UILabel+.swift
index a9eb10ae..8461efa5 100644
--- a/Hankkijogbo/Hankkijogbo/Global/Extensions/UILabel+.swift
+++ b/Hankkijogbo/Hankkijogbo/Global/Extensions/UILabel+.swift
@@ -101,4 +101,26 @@ extension UILabel {
         formatter.numberStyle = .decimal
         self.text = (formatter.string(from: NSNumber(value: price)) ?? "\(price)") + StringLiterals.Common.won
     }
+    
+    /// 텍스트 양에 따른 Label의 줄바꿈이 몇 번 될지 알려주는 함수
+    /// - maxWidth : label이 차지하게 되는 최대 width
+    func calculateNumberOfLines(maxWidth: CGFloat) -> Int {
+        guard let text = text, let font = font else { return 0 }
+        
+        // UILabel의 텍스트와 폰트로 텍스트가 차지하는 전체 높이 계산
+        let textAttributes: [NSAttributedString.Key: Any] = [.font: font]
+        let size = CGSize(width: maxWidth, height: CGFloat.greatestFiniteMagnitude)
+        let boundingBox = NSString(string: text).boundingRect(
+            with: size,
+            options: .usesLineFragmentOrigin,
+            attributes: textAttributes,
+            context: nil
+        )
+        
+        // 한 줄이 차지하는 높이
+        let singleLineHeight = font.lineHeight
+        
+        // 전체 텍스트 높이를 한 줄 높이로 나눈 값을 줄 수로 리턴
+        return Int(ceil(boundingBox.height / singleLineHeight))
+    }
 }