From 4e0739315443e2c91a1a33e442f3cd0c7e6e9f81 Mon Sep 17 00:00:00 2001
From: maforget <11904426+maforget@users.noreply.github.com>
Date: Tue, 27 Aug 2024 01:19:38 -0400
Subject: [PATCH] Fix corner issue when zoom out on page change and RTL reading
 are both enabled

---
 ComicRack.Engine/Display/ComicDisplay.cs | 19 +++++++------------
 1 file changed, 7 insertions(+), 12 deletions(-)

diff --git a/ComicRack.Engine/Display/ComicDisplay.cs b/ComicRack.Engine/Display/ComicDisplay.cs
index c6a3e33..3aafe8b 100644
--- a/ComicRack.Engine/Display/ComicDisplay.cs
+++ b/ComicRack.Engine/Display/ComicDisplay.cs
@@ -1641,19 +1641,14 @@ private void display_PageChanged(object sender, BookPageEventArgs e)
 		{
 			if (zoomInOutOnPageChange && oldZoom != 0f)
 			{
-				bool flag = e.OldPage < e.Page;
-				if (RightToLeftReading && RightToLeftReadingMode == RightToLeftReadingMode.FlipParts)
-				{
-					flag = !flag;
-				}
-				if (flag)
-				{
-					ZoomTo(new Point(-500000, -500000), oldZoom);
-				}
+				bool goingForward = e.OldPage < e.Page;
+				bool RTL = RightToLeftReading && RightToLeftReadingMode == RightToLeftReadingMode.FlipParts;
+				int corner = RTL ? -1 : 1;
+
+				if (goingForward)
+					ZoomTo(new Point(corner * -500000, -500000), oldZoom); //Next page: Arrive on Upper Left Corner, Upper Right with RTL
 				else
-				{
-					ZoomTo(new Point(500000, 500000), oldZoom);
-				}
+					ZoomTo(new Point(corner * 500000, 500000), oldZoom); //Previous Page: Arrive on Bottom Right Corner, Bottom Left with RTL
 			}
 			oldZoom = 0f;
 		}