From b0f64a341c43ed93fc8374a2dccd5c145dd19dcc Mon Sep 17 00:00:00 2001
From: pekspro <msn@pekspro.com>
Date: Sat, 4 Jul 2020 17:23:12 +0200
Subject: [PATCH] Adds async and methods supporting paths in
 Bmp-ImageExtensions.

---
 src/ImageSharp/Formats/Bmp/ImageExtensions.cs | 72 +++++++++++++++++--
 1 file changed, 68 insertions(+), 4 deletions(-)

diff --git a/src/ImageSharp/Formats/Bmp/ImageExtensions.cs b/src/ImageSharp/Formats/Bmp/ImageExtensions.cs
index 93e2b3fb1..8d97c8b46 100644
--- a/src/ImageSharp/Formats/Bmp/ImageExtensions.cs
+++ b/src/ImageSharp/Formats/Bmp/ImageExtensions.cs
@@ -1,8 +1,8 @@
-// Copyright (c) Six Labors.
+// Copyright (c) Six Labors.
 // Licensed under the Apache License, Version 2.0.
 
 using System.IO;
-
+using System.Threading.Tasks;
 using SixLabors.ImageSharp.Advanced;
 using SixLabors.ImageSharp.Formats.Bmp;
 
@@ -13,13 +13,64 @@ namespace SixLabors.ImageSharp
     /// </summary>
     public static partial class ImageExtensions
     {
+        /// <summary>
+        /// Saves the image to the given stream with the bmp format.
+        /// </summary>
+        /// <param name="source">The image this method extends.</param>
+        /// <param name="path">The file path to save the image to.</param>
+        /// <exception cref="System.ArgumentNullException">Thrown if the path is null.</exception>
+        public static void SaveAsBmp(this Image source, string path) => SaveAsBmp(source, path, null);
+
+        /// <summary>
+        /// Saves the image to the given stream with the bmp format.
+        /// </summary>
+        /// <param name="source">The image this method extends.</param>
+        /// <param name="path">The file path to save the image to.</param>
+        /// <exception cref="System.ArgumentNullException">Thrown if the path is null.</exception>
+        /// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
+        public static Task SaveAsBmpAsync(this Image source, string path) => SaveAsBmpAsync(source, path, null);
+
+        /// <summary>
+        /// Saves the image to the given stream with the bmp format.
+        /// </summary>
+        /// <param name="source">The image this method extends.</param>
+        /// <param name="path">The file path to save the image to.</param>
+        /// <param name="encoder">The encoder to save the image with.</param>
+        /// <exception cref="System.ArgumentNullException">Thrown if the path is null.</exception>
+        public static void SaveAsBmp(this Image source, string path, BmpEncoder encoder) =>
+            source.Save(
+                path,
+                encoder ?? source.GetConfiguration().ImageFormatsManager.FindEncoder(BmpFormat.Instance));
+
+        /// <summary>
+        /// Saves the image to the given stream with the bmp format.
+        /// </summary>
+        /// <param name="source">The image this method extends.</param>
+        /// <param name="path">The file path to save the image to.</param>
+        /// <param name="encoder">The encoder to save the image with.</param>
+        /// <exception cref="System.ArgumentNullException">Thrown if the path is null.</exception>
+        /// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
+        public static Task SaveAsBmpAsync(this Image source, string path, BmpEncoder encoder) =>
+            source.SaveAsync(
+                path,
+                encoder ?? source.GetConfiguration().ImageFormatsManager.FindEncoder(BmpFormat.Instance));
+
+        /// <summary>
+        /// Saves the image to the given stream with the bmp format.
+        /// </summary>
+        /// <param name="source">The image this method extends.</param>
+        /// <param name="stream">The stream to save the image to.</param>
+        /// <exception cref="System.ArgumentNullException">Thrown if the stream is null.</exception>
+        public static void SaveAsBmp(this Image source, Stream stream) => SaveAsBmp(source, stream, null);
+
         /// <summary>
         /// Saves the image to the given stream with the bmp format.
         /// </summary>
         /// <param name="source">The image this method extends.</param>
         /// <param name="stream">The stream to save the image to.</param>
         /// <exception cref="System.ArgumentNullException">Thrown if the stream is null.</exception>
-        public static void SaveAsBmp(this Image source, Stream stream) => source.SaveAsBmp(stream, null);
+        /// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
+        public static Task SaveAsBmpAsync(this Image source, Stream stream) => SaveAsBmpAsync(source, stream, null);
 
         /// <summary>
         /// Saves the image to the given stream with the bmp format.
@@ -32,5 +83,18 @@ namespace SixLabors.ImageSharp
             source.Save(
                 stream,
                 encoder ?? source.GetConfiguration().ImageFormatsManager.FindEncoder(BmpFormat.Instance));
+
+        /// <summary>
+        /// Saves the image to the given stream with the bmp format.
+        /// </summary>
+        /// <param name="source">The image this method extends.</param>
+        /// <param name="stream">The stream to save the image to.</param>
+        /// <param name="encoder">The encoder to save the image with.</param>
+        /// <exception cref="System.ArgumentNullException">Thrown if the stream is null.</exception>
+        /// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
+        public static Task SaveAsBmpAsync(this Image source, Stream stream, BmpEncoder encoder) =>
+            source.SaveAsync(
+                stream,
+                encoder ?? source.GetConfiguration().ImageFormatsManager.FindEncoder(BmpFormat.Instance));
     }
-}
\ No newline at end of file
+}