Improve credential provider mascot fidelity

src/SGU.CredentialProvider/ProviderTileIcon.cs

@@ -6,7 +6,9 @@ namespace SGU.CredentialProvider;
 
 internal static class ProviderTileIcon
 {
-    public const int Size = 72;
+    // LogonUI enlarges the dedicated-tile artwork. Supply a dense source image
+    // so the mascot remains crisp at the large sign-in surface.
+    public const int Size = 256;
     private const string MascotResourceName = "SGU.CredentialProvider.Branding.LaSalleMascot.png";
 
     public static Bitmap Create()

src/SGU.CredentialProvider/SGU.CredentialProvider.csproj

@@ -24,7 +24,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <EmbeddedResource Include="..\..\assets\branding\lasalle-mascot-provider.png"
+    <EmbeddedResource Include="..\..\assets\branding\lasalle-mascot-provider-v2.png"
                       LogicalName="SGU.CredentialProvider.Branding.LaSalleMascot.png" />
   </ItemGroup>
 

tests/SGU.CredentialProvider.Tests/ProviderTileIconTests.cs

@@ -7,7 +7,7 @@ namespace SGU.CredentialProvider.Tests;
 public sealed class ProviderTileIconTests
 {
     [Fact]
-    public void ProviderPublishesASeventyTwoPixelLogoForSignInOptions()
+    public void ProviderPublishesAHighResolutionLogoForSignInOptions()
     {
         SguCredentialProvider provider = new();
 
@@ -39,8 +39,8 @@ public sealed class ProviderTileIconTests
             }
         }
 
-        Assert.InRange(redPixels, 100, 2_000);
+        Assert.InRange(redPixels, 1_000, 30_000);
-        Assert.InRange(navyPixels, 100, 4_000);
+        Assert.InRange(navyPixels, 1_000, 50_000);
     }
 
     [Fact]