From ccc19cc539dd836aa3b55ec55f3db2b6f1be1798 Mon Sep 17 00:00:00 2001
From: Sergey Luzyanin <Sergey.Luzyanin@onlyoffice.com>
Date: Fri, 6 Feb 2026 18:05:56 +0300
Subject: [PATCH] [bug] fix bug 79551

---
 .../Paragraph/draw/highlight-draw-state.js    | 33 ++++++++++++-------
 word/Editor/Styles.js                         |  9 ++++-
 2 files changed, 29 insertions(+), 13 deletions(-)

diff --git a/word/Editor/Paragraph/draw/highlight-draw-state.js b/word/Editor/Paragraph/draw/highlight-draw-state.js
index 761362b5b1..b92b6ab143 100644
--- a/word/Editor/Paragraph/draw/highlight-draw-state.js
+++ b/word/Editor/Paragraph/draw/highlight-draw-state.js
@@ -447,21 +447,30 @@
 		this.run = run;
 		
 		let textPr = run.getCompiledPr();
-		let shd = this.DrawShd ? textPr.Shd : null;
-		
-		this.shd = shd;
-		this.shdColor = shd && !shd.IsNil() ? shd.GetSimpleColor(this.drawState.getTheme(), this.drawState.getColorMap()) : null;
-		this.shdAlpha = shd && !shd.IsNil() ? shd.GetAlpha(this.drawState.getTheme(), this.drawState.getColorMap(), this.Paragraph.GetLogicDocument()) : 255;
-		if (!this.shdColor || this.shdColor.IsAuto() || (run.IsMathRun() && run.IsPlaceholder()))
-			this.shdColor = null;
-		
-		this.highlight = textPr.HighLight;
+		let shd = null;
+		if (this.DrawShd)
+		{
+			shd = textPr.Shd;
+		}
 		if (textPr.HighlightColor)
 		{
-			textPr.HighlightColor.check(this.drawState.getTheme(), this.drawState.getColorMap());
-			let RGBA = textPr.HighlightColor.RGBA;
-			this.highlight = new CDocumentColor(RGBA.R, RGBA.G, RGBA.B, false);
+			shd = new CDocumentShd();
+			shd.Value = Asc.c_oAscShd.Clear;
+			shd.ThemeFill = AscFormat.CreateUniFillByUniColor(textPr.HighlightColor);
 		}
+		this.shd = shd;
+		this.shdColor = null;
+		this.shdAlpha = 255;
+		if (shd && !shd.IsNil())
+		{
+			this.shdColor = shd.GetSimpleColor(this.drawState.getTheme(), this.drawState.getColorMap());
+			this.shdAlpha = shd.GetAlpha(this.drawState.getTheme(), this.drawState.getColorMap());
+			if (!this.shdColor || this.shdColor.IsAuto() || (run.IsMathRun() && run.IsPlaceholder()))
+				this.shdColor = null;
+		}
+
+
+		this.highlight = textPr.HighLight;
 	};
 	/**
 	 *
diff --git a/word/Editor/Styles.js b/word/Editor/Styles.js
index d81d9dbf0e..b911cab80c 100644
--- a/word/Editor/Styles.js
+++ b/word/Editor/Styles.js
@@ -10089,8 +10089,15 @@ CDocumentShd.prototype.GetSimpleColor = function(oTheme, oColorMap)
 
 	return oResultColor;
 };
-CDocumentShd.prototype.GetAlpha = function(theme, colorMap, logicDocument)
+CDocumentShd.prototype.GetAlpha = function(theme, colorMap)
 {
+	let unifill = this.ThemeFill;
+	if (unifill)
+	{
+		unifill.check(theme, colorMap);
+		let rgba = unifill.getRGBAColor();
+		return (rgba.A !== undefined && rgba.A !== null) ? rgba.A : 255;
+	}
 	return 255;
 };
 CDocumentShd.prototype.private_GetPctShdColor = function(nPct, strokeColor, fillColor)