Use generated swatches for saved colors

src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.PowerToys/Helpers/ColorSwatchIconFactory.cs

@@ -2,44 +2,12 @@
 // The Microsoft Corporation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
-using System.Drawing;
-using System.Drawing.Drawing2D;
-using System.Drawing.Imaging;
-using System.IO;
-using System.Runtime.InteropServices.WindowsRuntime;
 using Microsoft.CommandPalette.Extensions.Toolkit;
-using Windows.Storage.Streams;
 
 namespace PowerToysExtension.Helpers;
 
 internal static class ColorSwatchIconFactory
 {
     public static IconInfo Create(byte r, byte g, byte b, byte a)
-    {
-        try
-        {
-            using var bmp = new Bitmap(32, 32, PixelFormat.Format32bppArgb);
-            using var gfx = Graphics.FromImage(bmp);
-            gfx.SmoothingMode = SmoothingMode.AntiAlias;
-            gfx.Clear(Color.Transparent);
-
-            using var brush = new SolidBrush(Color.FromArgb(a, r, g, b));
-            const int padding = 4;
-            gfx.FillEllipse(brush, padding, padding, bmp.Width - (padding * 2), bmp.Height - (padding * 2));
-
-            using var ms = new MemoryStream();
-            bmp.Save(ms, ImageFormat.Png);
-            var ras = new InMemoryRandomAccessStream();
-            var writer = new DataWriter(ras);
-            writer.WriteBytes(ms.ToArray());
-            writer.StoreAsync().GetResults();
-            ras.Seek(0);
-            return IconInfo.FromStream(ras);
-        }
-        catch
-        {
-            // Fallback to a simple colored glyph when drawing fails.
-            return new IconInfo("\u25CF"); // Black circle glyph
-        }
-    }
+        => new($"|Swatch|#{a:X2}{r:X2}{g:X2}{b:X2}|");
 }