Add IStringEncodable

UIX/Microsoft/Iris/Drawing/Color.cs

@@ -12,7 +12,7 @@ using System.Text;
 namespace Microsoft.Iris.Drawing
 {
     [Serializable]
-    public struct Color : ISerializable
+    public struct Color : ISerializable, IStringEncodable
     {
         private const int ARGBAlphaShift = 24;
         private const int ARGBRedShift = 16;
@@ -230,6 +230,8 @@ namespace Microsoft.Iris.Drawing
             info.AddValue(nameof(Value), Value);
         }
 
+        public string EncodeString() => string.Join(", ", A, R, G, B);
+
         internal static Color Transparent => new(0U);
 
         internal static Color Black => new(0xFF00_0000U);

UIX/Microsoft/Iris/Drawing/Font.cs

@@ -6,7 +6,7 @@
 
 namespace Microsoft.Iris.Drawing
 {
-    internal sealed class Font
+    internal sealed class Font : IStringEncodable
     {
         private string _fontName;
         private float _fontHeight;
@@ -70,6 +70,22 @@ namespace Microsoft.Iris.Drawing
             set => _fontName = value;
         }
 
+        public string EncodeString()
+        {
+            System.Collections.Generic.List<object> props = new(4)
+            {
+                FontName,
+                _fontHeight
+            };
+
+            if (_altFontHeight != default)
+                props.Add(_altFontHeight);
+            if (_fontStyle != default)
+                props.Add(_fontStyle);
+
+            return string.Join(", ", props);
+        }
+
         public override bool Equals(object obj) => obj is Font font && _fontName == font._fontName && (_fontHeight == (double)font._fontHeight && _altFontHeight == (double)font._altFontHeight) && _fontStyle == font._fontStyle;
 
         public override int GetHashCode() => _fontName.GetHashCode() ^ _fontHeight.GetHashCode() ^ _altFontHeight.GetHashCode() ^ _fontStyle.GetHashCode();