Fix integer overflow

image-rs · Dec 25, 2023 · 89d31b8 · 89d31b8
1 parent 1c44dd1
commit 89d31b8
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/lossless.rs b/src/lossless.rs
@@ -639,7 +639,8 @@ impl HuffmanInfo {
         if self.bits == 0 {
             return 0;
         }
-        let position = usize::from((y >> self.bits) * self.xsize + (x >> self.bits));
+        let position =
+            usize::from(y >> self.bits) * usize::from(self.xsize) + usize::from(x >> self.bits);
         let meta_huff_code: usize = self.image[position].try_into().unwrap();
         meta_huff_code
     }