From df170c83f818f918cbd77db6207f01cc77509b7f Mon Sep 17 00:00:00 2001
From: Ross Johnson <159597299+rosco54@users.noreply.github.com>
Date: Wed, 14 Aug 2024 16:43:19 +1000
Subject: [PATCH] Fix issue 4630: a regression bug introduced by commit 686266c
 (3.49.0) Reduce the calculation of zeroH.

---
 src/charts/BarStacked.js | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/charts/BarStacked.js b/src/charts/BarStacked.js
index e5fdf65ea..b6ba8c55f 100644
--- a/src/charts/BarStacked.js
+++ b/src/charts/BarStacked.js
@@ -255,10 +255,11 @@ class BarStacked extends Bar {
         barWidth *= parseInt(userColumnWidth, 10) / 100
       }
 
-      zeroH =
-        w.globals.gridHeight -
-        this.baseLineY[translationsIndex] -
-        (this.isReversed ? w.globals.gridHeight : 0)
+      if (this.isReversed) {
+        zeroH = this.baseLineY[translationsIndex]
+      } else {
+        zeroH = w.globals.gridHeight - this.baseLineY[translationsIndex]
+      }
 
       // initial x position is the left-most edge of the first bar relative to
       // the left-most side of the grid area.