Brand credential provider with La Salle mascot

src/SGU.CredentialProvider/ProviderTileIcon.cs

@@ -1,35 +1,30 @@
 using System.Drawing;
-using System.Drawing.Drawing2D;
 using System.Drawing.Imaging;
+using System.Drawing.Drawing2D;
 
 namespace SGU.CredentialProvider;
 
 internal static class ProviderTileIcon
 {
     public const int Size = 72;
+    private const string MascotResourceName = "SGU.CredentialProvider.Branding.LaSalleMascot.png";
 
     public static Bitmap Create()
     {
         Bitmap bitmap = new(Size, Size, PixelFormat.Format32bppArgb);
         using Graphics graphics = Graphics.FromImage(bitmap);
-        graphics.SmoothingMode = SmoothingMode.AntiAlias;
+        graphics.CompositingQuality = CompositingQuality.HighQuality;
+        graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
         graphics.PixelOffsetMode = PixelOffsetMode.HighQuality;
         graphics.Clear(Color.Transparent);
 
-        using SolidBrush background = new(Color.FromArgb(0, 83, 155));
-        graphics.FillEllipse(background, 1, 1, Size - 2, Size - 2);
-
-        using Pen key = new(Color.White, 5.5f)
-        {
-            StartCap = LineCap.Round,
-            EndCap = LineCap.Round,
-            LineJoin = LineJoin.Round
-        };
-
-        graphics.DrawEllipse(key, 14, 14, 25, 25);
-        graphics.DrawLine(key, 35, 35, 57, 57);
-        graphics.DrawLine(key, 47, 47, 55, 39);
-        graphics.DrawLine(key, 53, 53, 61, 45);
+        using Stream sourceStream = typeof(ProviderTileIcon).Assembly.GetManifestResourceStream(MascotResourceName)
+            ?? throw new InvalidOperationException($"The branded Credential Provider logo '{MascotResourceName}' is unavailable.");
+        using Bitmap mascot = new(sourceStream);
+        using GraphicsPath circularMask = new();
+        circularMask.AddEllipse(0, 0, Size, Size);
+        graphics.SetClip(circularMask);
+        graphics.DrawImage(mascot, new Rectangle(0, 0, Size, Size));
 
         return bitmap;
     }