From 1ddab42edb1c244b57ecb307e2fe54741a56aa0a Mon Sep 17 00:00:00 2001
From: Andrew <andrew@digerati.co.nz>
Date: Thu, 28 Mar 2024 18:20:27 +1300
Subject: [PATCH] Always fix palette even if it would be larger

---
 src/reduction/palette.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/reduction/palette.rs b/src/reduction/palette.rs
index e7619bc4..150e2526 100644
--- a/src/reduction/palette.rs
+++ b/src/reduction/palette.rs
@@ -43,8 +43,9 @@ pub fn reduced_palette(png: &PngImage, optimize_alpha: bool) -> Option<PngImage>
     let data = if did_change {
         // Reassign data bytes to new indices
         png.data.iter().map(|b| byte_map[*b as usize]).collect()
-    } else if condensed.len() < palette.len() {
-        // Data is unchanged but palette will be truncated
+    } else if condensed.len() != palette.len() {
+        // Data is unchanged but palette is different size
+        // Note the new palette could potentially be larger if the original had a missing entry
         png.data.clone()
     } else {
         // Nothing has changed