add extension method to resolve issue dotnet#1488

mikeebowen · Jul 19, 2023 · 242263a · 242263a
1 parent 6463a51
commit 242263a
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Showing 2 changed files with 12 additions and 2 deletions.
diff --git a/src/DocumentFormat.OpenXml/Packaging/ImagePartExtensions.cs b/src/DocumentFormat.OpenXml/Packaging/ImagePartExtensions.cs
@@ -11,10 +11,10 @@ public static class ImagePartExtensions
         /// <summary>
         /// Extends an overloaded AddImagePart method that
         /// handles the process of determining the ImagePartType
-        /// for you based on a provided file extension.
+        /// for you based on a provided file extension or mime type.
         /// </summary>
         /// <param name="main">The source MainDocumentPart that is adding the ImagePart.</param>
-        /// <param name="extension">The file extension of the image.</param>
+        /// <param name="extension">The file extension or mime type of the image.</param>
         /// <see cref="MainDocumentPart.AddImagePart(ImagePartType)" />
         public static ImagePart AddImagePart(this MainDocumentPart main, string extension) =>
             main.AddImagePart(ImagePartTypeInfo.GetImagePartType(extension));

diff --git a/src/DocumentFormat.OpenXml/Packaging/ImagePartTypeInfo.cs b/src/DocumentFormat.OpenXml/Packaging/ImagePartTypeInfo.cs
@@ -62,6 +62,16 @@ internal static ImagePartType GetImagePartType(string extension)
                 ".svg" => ImagePartType.Svg,
                 ".tiff" => ImagePartType.Tiff,
                 ".wmf" => ImagePartType.Wmf,
+                "image/bmp" => ImagePartType.Bmp,
+                "image/gif" => ImagePartType.Gif,
+                "image/png" => ImagePartType.Png,
+                "image/tiff" => ImagePartType.Tiff,
+                "image/x-icon" => ImagePartType.Icon,
+                "image/x-pcx" => ImagePartType.Pcx,
+                "image/jpeg" => ImagePartType.Jpeg,
+                "image/x-emf" => ImagePartType.Emf,
+                "image/x-wmf" => ImagePartType.Wmf,
+                "image/svg+xml" => ImagePartType.Svg,
                 _ => throw new NotSupportedException($"{extension} is not supported"),
             };
     }