From f46237536f446942d18478355682cf832f9c0aa4 Mon Sep 17 00:00:00 2001
From: SmallMain <smallmain@outlook.com>
Date: Fri, 27 Dec 2024 15:44:35 +0800
Subject: [PATCH] Fix the character spacing error in the rendering of Label
 under Char Mode (#17925)

---
 cocos2d/core/renderer/utils/label/bmfont.js      | 4 ++++
 cocos2d/core/renderer/utils/label/letter-font.js | 6 +++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/cocos2d/core/renderer/utils/label/bmfont.js b/cocos2d/core/renderer/utils/label/bmfont.js
index 0b91a2745ce..529c2774b2e 100644
--- a/cocos2d/core/renderer/utils/label/bmfont.js
+++ b/cocos2d/core/renderer/utils/label/bmfont.js
@@ -187,6 +187,10 @@ export default class BmfontAssembler extends Assembler2D {
         }
     }
 
+    _clearHorizontalKerning() {
+        _horizontalKernings.length = 0;
+    }
+
     _multilineTextWrap (nextTokenFunc) {
         let textLen = _string.length;
 
diff --git a/cocos2d/core/renderer/utils/label/letter-font.js b/cocos2d/core/renderer/utils/label/letter-font.js
index 5e46af03649..a0f26abcb4c 100644
--- a/cocos2d/core/renderer/utils/label/letter-font.js
+++ b/cocos2d/core/renderer/utils/label/letter-font.js
@@ -306,7 +306,11 @@ export default class LetterFontAssembler extends WebglBmfontAssembler {
 
         return fontDesc;
     }
-    _computeHorizontalKerningForText () {}
+
+    _computeHorizontalKerningForText () {
+        this._clearHorizontalKerning();
+    }
+
     _determineRect (tempRect) {
         return false;
     }