From 0b8cfb19d9dce75de8ff446c878ae1a5b9d889db Mon Sep 17 00:00:00 2001
From: Stefan Nikolei <stefan@nikolei.eu>
Date: Wed, 4 Jun 2025 16:53:41 +0200
Subject: [PATCH 1/2] Fix Typo and Offset

* While checking ChunkedMemoryStream i saw differences in the Seek method.
---
 src/ImageSharp/IO/BufferedReadStream.cs | 21 +++++++--------------
 1 file changed, 7 insertions(+), 14 deletions(-)

diff --git a/src/ImageSharp/IO/BufferedReadStream.cs b/src/ImageSharp/IO/BufferedReadStream.cs
index 1aa53d65e..59e8b0d02 100644
--- a/src/ImageSharp/IO/BufferedReadStream.cs
+++ b/src/ImageSharp/IO/BufferedReadStream.cs
@@ -69,7 +69,7 @@ internal sealed class BufferedReadStream : Stream
     }
 
     /// <summary>
-    /// Gets the number indicating the EOF hits occured while reading from this instance.
+    /// Gets the number indicating the EOF hits occurred while reading from this instance.
     /// </summary>
     public int EofHitCount { get; private set; }
 
@@ -213,20 +213,13 @@ internal sealed class BufferedReadStream : Stream
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
     public override long Seek(long offset, SeekOrigin origin)
     {
-        switch (origin)
+        this.Position = origin switch
         {
-            case SeekOrigin.Begin:
-                this.Position = offset;
-                break;
-
-            case SeekOrigin.Current:
-                this.Position += offset;
-                break;
-
-            case SeekOrigin.End:
-                this.Position = this.Length - offset;
-                break;
-        }
+            SeekOrigin.Begin => (int)offset,
+            SeekOrigin.Current => (int)(this.Position + offset),
+            SeekOrigin.End => (int)(this.Length + offset),
+            _ => throw new ArgumentOutOfRangeException(nameof(offset)),
+        };
 
         return this.readerPosition;
     }

From ddd4f8c3ec11c024451e8dbdcb6a669fb592300e Mon Sep 17 00:00:00 2001
From: Stefan Nikolei <stefan@nikolei.eu>
Date: Thu, 5 Jun 2025 09:38:43 +0200
Subject: [PATCH 2/2] Remove casting to int

---
 src/ImageSharp/IO/BufferedReadStream.cs  | 6 +++---
 src/ImageSharp/IO/ChunkedMemoryStream.cs | 6 +++---
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/ImageSharp/IO/BufferedReadStream.cs b/src/ImageSharp/IO/BufferedReadStream.cs
index 59e8b0d02..8080aab87 100644
--- a/src/ImageSharp/IO/BufferedReadStream.cs
+++ b/src/ImageSharp/IO/BufferedReadStream.cs
@@ -215,9 +215,9 @@ internal sealed class BufferedReadStream : Stream
     {
         this.Position = origin switch
         {
-            SeekOrigin.Begin => (int)offset,
-            SeekOrigin.Current => (int)(this.Position + offset),
-            SeekOrigin.End => (int)(this.Length + offset),
+            SeekOrigin.Begin => offset,
+            SeekOrigin.Current => this.Position + offset,
+            SeekOrigin.End => this.Length + offset,
             _ => throw new ArgumentOutOfRangeException(nameof(offset)),
         };
 
diff --git a/src/ImageSharp/IO/ChunkedMemoryStream.cs b/src/ImageSharp/IO/ChunkedMemoryStream.cs
index 760d1d334..a5a401144 100644
--- a/src/ImageSharp/IO/ChunkedMemoryStream.cs
+++ b/src/ImageSharp/IO/ChunkedMemoryStream.cs
@@ -76,9 +76,9 @@ internal sealed class ChunkedMemoryStream : Stream
 
         this.Position = origin switch
         {
-            SeekOrigin.Begin => (int)offset,
-            SeekOrigin.Current => (int)(this.Position + offset),
-            SeekOrigin.End => (int)(this.Length + offset),
+            SeekOrigin.Begin => offset,
+            SeekOrigin.Current => this.Position + offset,
+            SeekOrigin.End => this.Length + offset,
             _ => throw new ArgumentOutOfRangeException(nameof(offset)),
         };