From e2413660f52b9b9a01a46f9008b574c8be70034e Mon Sep 17 00:00:00 2001
From: Allan Sandfeld Jensen <allan.jensen@qt.io>
Date: Mon, 18 Mar 2024 11:53:43 +0100
Subject: [PATCH] Fix 8-bit mAB tables

We had no examples of this type, and didn't catch the table was parsed as
-0.5 to 0.5 instead of 0 to 1.

Change-Id: I904937a50deaeecfc89e271bf918eedc521bc8a2
Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
---
 src/gui/painting/qicc.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/gui/painting/qicc.cpp b/src/gui/painting/qicc.cpp
index bd47efdfc0..77f1a7aa08 100644
--- a/src/gui/painting/qicc.cpp
+++ b/src/gui/painting/qicc.cpp
@@ -940,7 +940,8 @@ static bool parseMabData(const QByteArray &data, const TagEntry &tagEntry, QColo
             qFromBigEndian<uint16_t>(data.constData() + tagEntry.offset + mab.clutOffset + 20, clutTable.size(), clutTable.data());
             parseCLUT(clutTable.constData(), (1.f/65535.f), &clutElement);
         } else {
-            parseCLUT(data.constData() + tagEntry.offset + mab.clutOffset + 20, (1.f/255.f), &clutElement);
+            const uint8_t *clutTable = reinterpret_cast<const uint8_t *>(data.constData() + tagEntry.offset + mab.clutOffset + 20);
+            parseCLUT(clutTable, (1.f/255.f), &clutElement);
         }
     }