Refactored the Create method for the encoder/decoder options.

src/ImageSharp.Formats.Bmp/BmpEncoderOptions.cs

@@ -39,13 +39,7 @@ namespace ImageSharp.Formats
         /// <returns>The options for the <see cref="BmpEncoder"/>.</returns>
         internal static IBmpEncoderOptions Create(IEncoderOptions options)
         {
-            IBmpEncoderOptions bmpOptions = options as IBmpEncoderOptions;
-            if (bmpOptions != null)
-            {
-                return bmpOptions;
-            }
-
-            return new BmpEncoderOptions(options);
+            return options as IBmpEncoderOptions ?? new BmpEncoderOptions(options);
         }
     }
 }

src/ImageSharp.Formats.Gif/GifDecoderOptions.cs

@@ -41,13 +41,7 @@ namespace ImageSharp.Formats
         /// <returns>The options for the <see cref="GifDecoder"/>.</returns>
         internal static IGifDecoderOptions Create(IDecoderOptions options)
         {
-            IGifDecoderOptions gifOptions = options as IGifDecoderOptions;
-            if (gifOptions != null)
-            {
-                return gifOptions;
-            }
-
-            return new GifDecoderOptions(options);
+            return options as IGifDecoderOptions ?? new GifDecoderOptions(options);
         }
     }
 }

src/ImageSharp.Formats.Gif/GifEncoderOptions.cs

@@ -59,13 +59,7 @@ namespace ImageSharp.Formats
         /// <returns>The options for the <see cref="GifEncoder"/>.</returns>
         internal static IGifEncoderOptions Create(IEncoderOptions options)
         {
-            IGifEncoderOptions gifOptions = options as IGifEncoderOptions;
-            if (gifOptions != null)
-            {
-                return gifOptions;
-            }
-
-            return new GifEncoderOptions(options);
+            return options as IGifEncoderOptions ?? new GifEncoderOptions(options);
         }
     }
 }

src/ImageSharp.Formats.Jpeg/JpegEncoderOptions.cs

@@ -50,13 +50,7 @@ namespace ImageSharp.Formats
         /// <returns>The options for the <see cref="JpegEncoder"/>.</returns>
         internal static IJpegEncoderOptions Create(IEncoderOptions options)
         {
-            IJpegEncoderOptions jpegOptions = options as IJpegEncoderOptions;
-            if (jpegOptions != null)
-            {
-                return jpegOptions;
-            }
-
-            return new JpegEncoderOptions(options);
+            return options as IJpegEncoderOptions ?? new JpegEncoderOptions(options);
         }
     }
 }

src/ImageSharp.Formats.Png/PngDecoderOptions.cs

@@ -43,13 +43,7 @@ namespace ImageSharp.Formats
         /// <returns>The options for the <see cref="PngDecoder"/>.</returns>
         internal static IPngDecoderOptions Create(IDecoderOptions options)
         {
-            IPngDecoderOptions pngOptions = options as IPngDecoderOptions;
-            if (pngOptions != null)
-            {
-                return pngOptions;
-            }
-
-            return new PngDecoderOptions(options);
+            return options as IPngDecoderOptions ?? new PngDecoderOptions(options);
         }
     }
 }

src/ImageSharp.Formats.Png/PngEncoderOptions.cs

@@ -76,13 +76,7 @@ namespace ImageSharp.Formats
         /// <returns>The options for the <see cref="PngEncoder"/>.</returns>
         internal static IPngEncoderOptions Create(IEncoderOptions options)
         {
-            IPngEncoderOptions pngOptions = options as IPngEncoderOptions;
-            if (pngOptions != null)
-            {
-                return pngOptions;
-            }
-
-            return new PngEncoderOptions(options);
+            return options as IPngEncoderOptions ?? new PngEncoderOptions(options);
         }
     }
 }