From d278d7ee5524bd91efef3d6ea27a41fe54edf986 Mon Sep 17 00:00:00 2001
From: Abdelrahman <said.abdelrahman89@gmail.com>
Date: Mon, 6 May 2024 00:37:23 +0100
Subject: [PATCH] Multiply RGB when reading image with unassociated alpha

---
 src/tiff/tiffread.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/tiff/tiffread.c b/src/tiff/tiffread.c
index 7c16161..20ed256 100644
--- a/src/tiff/tiffread.c
+++ b/src/tiff/tiffread.c
@@ -606,6 +606,12 @@ internal void read_strips(TiffReader *reader) {
         p->a = 255;
       } else {
         fread_with_offset(reader->fp, &(p->a), 1, alpha_offset);
+
+        if (alpha.type == ALPHA_TYPE_UNASSOCIATED) {
+          p->r *= p->a;
+          p->g *= p->a;
+          p->b *= p->a;
+        }
       }
 
       ++position;