From aeb08744cb7c6f042400a4e4958f6c7b8659feef Mon Sep 17 00:00:00 2001
From: GiovanniNova <89094883+GiovanniNova@users.noreply.github.com>
Date: Tue, 21 Mar 2023 11:13:48 -0300
Subject: [PATCH] Fixes #567, ReadShort now casts to and returns an ushort

---
 src/UglyToad.PdfPig/Images/JpegHandler.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/UglyToad.PdfPig/Images/JpegHandler.cs b/src/UglyToad.PdfPig/Images/JpegHandler.cs
index eb4c70af..74d7dd11 100644
--- a/src/UglyToad.PdfPig/Images/JpegHandler.cs
+++ b/src/UglyToad.PdfPig/Images/JpegHandler.cs
@@ -129,7 +129,7 @@
             throw new InvalidOperationException();
         }
 
-        private static short ReadShort(Stream stream, byte[] buffer)
+        private static ushort ReadShort(Stream stream, byte[] buffer)
         {
             var read = stream.Read(buffer, 0, 2);
 
@@ -138,7 +138,7 @@
                 throw new InvalidOperationException("Failed to read a short where expected in the JPEG stream.");
             }
 
-            return (short)((buffer[0] << 8) + buffer[1]);
+            return (ushort)((buffer[0] << 8) + buffer[1]);
         }
     }
 }