[Windows] Fix FontImageSource resize behavior

src/Controls/samples/Controls.Sample.UITests/Controls.Sample.UITests.csproj

@@ -46,8 +46,8 @@
     <MauiImage Include="Resources\Images\dotnet_bot.svg" Link="Resources\Images\small_dotnet_bot.svg" Color="#FFFFFF" BaseSize="64,64" />
     <MauiImage Include="Resources\AppIcons\appicon.svg" ForegroundFile="Resources\AppIcons\appicon_foreground.svg" IsAppIcon="true" />
     <MauiSplashScreen Include="Resources\Splash\splash.svg" Color="#FFFFFF" BaseSize="168,208" />
+    <MauiFont Include="Resources\Fonts\OpenSans-Regular.ttf" />
   </ItemGroup>
-
+  
   <Import Project="$(MauiSrcDirectory)Maui.InTree.props" Condition=" '$(UseMaui)' != 'true' " />
-
 </Project>

src/Controls/samples/Controls.Sample.UITests/Issues/Issue18242.xaml

@@ -3,36 +3,37 @@
 			 xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
 			 x:Class="Maui.Controls.Sample.Issues.Issue18242"
 			 Title="Issue 18242">
-	<VerticalStackLayout
-		Padding="12">
-		<Label
+    <VerticalStackLayout
+		Padding="12"
+        Grid.Column="0">
+        <Label
 			AutomationId="WaitForStubControl"
 			Text="1. The image must adapt to the size of the Button and be in the position determined by the ContentLayout property."/>
-		<Label 
+        <Label 
 			Text="Button with Height"/>
-		<Button
+        <Button
 			HeightRequest="50"
 			ImageSource="dotnet_bot.png"
 			ContentLayout="Left,10"
 			Text="Button"/>
-		<Label 
+        <Label 
 			Text="Button without Height"/>
-		<Button
+        <Button
 			ImageSource="dotnet_bot.png"
 			ContentLayout="Left,10"
 			Text="Button"/>
-		<Label 
+        <Label 
 			Text="2. The image must adapt to the size of the ImageButton."/>
-		<Label 
+        <Label 
 			Text="ImageButton with Height"/>
-		<ImageButton 
+        <ImageButton 
 			HeightRequest="30" 
 			WidthRequest="50" 
 			Source="dotnet_bot.png"/>
-		<Label 
-		   Text="ImageButton without Height"/>
-		<ImageButton 
-		   WidthRequest="50" 
-		   Source="dotnet_bot.png"/>
-	</VerticalStackLayout>
+        <Label 
+		    Text="ImageButton without Height"/>
+        <ImageButton 
+		    WidthRequest="50" 
+		    Source="dotnet_bot.png"/>
+    </VerticalStackLayout>
 </ContentPage>

src/Controls/samples/Controls.Sample.UITests/Issues/Issue21202.xaml

@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+			 xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+			 x:Class="Maui.Controls.Sample.Issues.Issue21202"
+			 Title="Issue 21202">
+    <VerticalStackLayout
+        Padding="12"
+        Grid.Column="1">
+        <Label
+            AutomationId="WaitForStubControl"
+            Text="1. Font image source should not be stretched on button with height requested."/>
+        <Button
+            FontSize="18"
+            HeightRequest="60"
+            HorizontalOptions="Fill"
+            Text="Button with height request set"
+            TextTransform="Uppercase"
+            FontFamily="OpenSansRegular">
+            <Button.ImageSource>
+                <FontImageSource Glyph="A" Color="Black" FontFamily="OpenSansRegular"/>
+            </Button.ImageSource>
+        </Button>
+        <Label
+            Text="2. Font image source should not be stretched on button without height requested."/>
+        <Button
+            FontSize="18"
+            HorizontalOptions="Fill"
+            Text="Button without height request"
+            TextTransform="Uppercase"
+            FontFamily="OpenSansRegular">
+            <Button.ImageSource>
+                <FontImageSource Glyph="A" Color="Black" FontFamily="OpenSansRegular"/>
+            </Button.ImageSource>
+        </Button>
+        <Label
+            Text="3. Button without height request should resize to font image source size."/>
+        <Button
+            FontSize="18"
+            HorizontalOptions="Fill"
+            Text="Button without height request, resize to font image"
+            TextTransform="Uppercase"
+            FontFamily="OpenSansRegular">
+            <Button.ImageSource>
+                <FontImageSource Glyph="A" Size="60" Color="Black" FontFamily="OpenSansRegular"/>
+            </Button.ImageSource>
+        </Button>
+    </VerticalStackLayout>
+</ContentPage>

src/Controls/samples/Controls.Sample.UITests/Issues/Issue21202.xaml.cs

@@ -0,0 +1,15 @@
+using Microsoft.Maui.Controls;
+using Microsoft.Maui.Controls.Xaml;
+
+namespace Maui.Controls.Sample.Issues
+{
+	[XamlCompilation(XamlCompilationOptions.Compile)]
+	[Issue(IssueTracker.Github, 21202, "FontImageSource incorrectly sized", PlatformAffected.UWP)]
+	public partial class Issue21202 : ContentPage
+	{
+		public Issue21202()
+		{
+			InitializeComponent();
+		}
+	}
+}

src/Controls/samples/Controls.Sample.UITests/MauiProgram.cs

@@ -11,10 +11,14 @@ public static class MauiProgram
 		public static MauiApp CreateMauiApp() =>
 			MauiApp
 				.CreateBuilder()
-#if IOS || ANDROID
+	#if IOS || ANDROID
 				.UseMauiMaps()
-#endif
+	#endif
 				.UseMauiApp<App>()
+				.ConfigureFonts(fonts =>
+				{
+					fonts.AddFont("OpenSans-Regular.ttf", "OpenSansRegular");
+				})
 				.Build();
 	}
 

src/Controls/tests/UITests/Tests/Issues/Issue21202.cs

@@ -0,0 +1,25 @@
+using NUnit.Framework;
+using UITest.Appium;
+using UITest.Core;
+
+namespace Microsoft.Maui.AppiumTests.Issues
+{
+	public class Issue21202 : _IssuesUITest
+	{
+		public Issue21202(TestDevice device) : base(device)
+		{
+		}
+
+		public override string Issue => "FontImageSource incorrectly sized";
+
+		[Test]
+		public void Issue21202Test()
+		{
+			this.IgnoreIfPlatforms(new TestDevice[] { TestDevice.Android, TestDevice.Mac, TestDevice.iOS }, "Only Windows for now");
+
+			App.WaitForElement("WaitForStubControl");
+
+			VerifyScreenshot();
+		}
+	}
+}