assembly trimming support

src/ImageSharp/ImageSharp.csproj

@@ -24,11 +24,13 @@
     <When Condition="$(SIXLABORS_TESTING_PREVIEW) == true">
       <PropertyGroup>
         <TargetFrameworks>net7.0;net6.0</TargetFrameworks>
+        <IsTrimmable>true</IsTrimmable>
       </PropertyGroup>
     </When>
     <Otherwise>
       <PropertyGroup>
         <TargetFrameworks>net6.0</TargetFrameworks>
+        <IsTrimmable>true</IsTrimmable>
       </PropertyGroup>
     </Otherwise>
   </Choose>

src/ImageSharp/Metadata/Profiles/Exif/ExifTagDescriptionAttribute.cs

@@ -32,7 +32,7 @@ namespace SixLabors.ImageSharp.Metadata.Profiles.Exif
         public static string GetDescription(ExifTag tag, object value)
         {
             var tagValue = (ExifTagValue)(ushort)tag;
-            FieldInfo field = tagValue.GetType().GetTypeInfo().GetDeclaredField(tagValue.ToString());
+            FieldInfo field = typeof(ExifTagValue).GetField(tagValue.ToString(), BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static);
 
             if (field is null)
             {