From c921d1e097c1dced3b0ded4deb267929876a2fd9 Mon Sep 17 00:00:00 2001
From: Benedikt Stebner <Gillibald@users.noreply.github.com>
Date: Fri, 22 Jul 2022 15:34:14 +0200
Subject: [PATCH] Fix center alignment for RTL

---
 src/Avalonia.Base/Media/TextFormatting/TextLineImpl.cs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/Avalonia.Base/Media/TextFormatting/TextLineImpl.cs b/src/Avalonia.Base/Media/TextFormatting/TextLineImpl.cs
index 67c8f0c88c..f3c62f4994 100644
--- a/src/Avalonia.Base/Media/TextFormatting/TextLineImpl.cs
+++ b/src/Avalonia.Base/Media/TextFormatting/TextLineImpl.cs
@@ -1317,8 +1317,14 @@ namespace Avalonia.Media.TextFormatting
             switch (textAlignment)
             {
                 case TextAlignment.Center:
-                    return Math.Max(0, (_paragraphWidth - width) / 2);
+                    var start = (_paragraphWidth - width) / 2;
 
+                    if(paragraphFlowDirection == FlowDirection.RightToLeft)
+                    {
+                        start -= (widthIncludingTrailingWhitespace - width);
+                    }
+
+                    return Math.Max(0,  start);                         
                 case TextAlignment.Right:
                     return Math.Max(0, _paragraphWidth - widthIncludingTrailingWhitespace);