From c9d7ffdad21e5e1b5c70459379a7191c7be8b3df Mon Sep 17 00:00:00 2001
From: Joakim Hulthe <joakim@hulthe.net>
Date: Mon, 14 Jul 2025 18:09:21 +0200
Subject: [PATCH] Off by one...

---
 src/main.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main.rs b/src/main.rs
index b13dfc5..fc96ec1 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -119,7 +119,7 @@ fn image_to_offimage_buffer(image: GrayAlphaImage) -> eyre::Result<Box<[u8; IOCT
     );
 
     // Iterate over pixels and copy them into `buf`.
-    for (i, pixel) in (0..buf.len()).rev().zip(image.chunks_exact(2)) {
+    for (i, pixel) in (0..buf.len() - 1).rev().zip(image.chunks_exact(2)) {
         let &[gray, alpha] = pixel else {
             unreachable!()
         };