From fdca608c89499920bd71f128942668d2c6495861 Mon Sep 17 00:00:00 2001
From: Dirk Lemstra <dirk@git.imagemagick.org>
Date: Mon, 19 Dec 2016 14:19:00 +0100
Subject: [PATCH] Minor refactoring inside some of the IsSupportedFileFormat
 methods.

---
 src/ImageSharp/Formats/Bmp/BmpFormat.cs  | 11 +++--------
 src/ImageSharp/Formats/Jpg/JpegFormat.cs | 16 ++--------------
 2 files changed, 5 insertions(+), 22 deletions(-)

diff --git a/src/ImageSharp/Formats/Bmp/BmpFormat.cs b/src/ImageSharp/Formats/Bmp/BmpFormat.cs
index c0ed5aabac..bf73d31621 100644
--- a/src/ImageSharp/Formats/Bmp/BmpFormat.cs
+++ b/src/ImageSharp/Formats/Bmp/BmpFormat.cs
@@ -33,14 +33,9 @@ public class BmpFormat : IImageFormat
         /// <inheritdoc/>
         public bool IsSupportedFileFormat(byte[] header)
         {
-            bool isBmp = false;
-            if (header.Length >= this.HeaderSize)
-            {
-                isBmp = header[0] == 0x42 && // B
-                        header[1] == 0x4D;   // M
-            }
-
-            return isBmp;
+            return header.Length >= this.HeaderSize &&
+                   header[0] == 0x42 && // B
+                   header[1] == 0x4D;   // M
         }
     }
 }
diff --git a/src/ImageSharp/Formats/Jpg/JpegFormat.cs b/src/ImageSharp/Formats/Jpg/JpegFormat.cs
index 6712de54b7..b93c6ae690 100644
--- a/src/ImageSharp/Formats/Jpg/JpegFormat.cs
+++ b/src/ImageSharp/Formats/Jpg/JpegFormat.cs
@@ -33,20 +33,8 @@ public class JpegFormat : IImageFormat
         /// <inheritdoc/>
         public bool IsSupportedFileFormat(byte[] header)
         {
-            Guard.NotNull(header, "header");
-
-            bool isSupported = false;
-
-            if (header.Length >= this.HeaderSize)
-            {
-                bool isJfif = IsJfif(header);
-                bool isExif = IsExif(header);
-                bool isJpeg = IsJpeg(header);
-
-                isSupported = isJfif || isExif || isJpeg;
-            }
-
-            return isSupported;
+            return header.Length >= this.HeaderSize &&
+                   (IsJfif(header) || IsExif(header) || IsJpeg(header));
         }
 
         /// <summary>