fix(skia): Correctly handle SolidColorBrush opacity in inlines

src/Uno.UI.RuntimeTests/Tests/Windows_UI_Xaml_Controls/Given_TextBlock.cs

@@ -1,11 +1,15 @@
-using System.Linq;
+using System;
+using System.Linq;
 using System.Threading.Tasks;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
+using Uno.UI.RuntimeTests.Helpers;
 using Windows.Foundation;
+using Windows.UI;
 using Windows.UI.Xaml;
 using Windows.UI.Xaml.Controls;
 using Windows.UI.Xaml.Documents;
 using Windows.UI.Xaml.Media;
+using Windows.UI.Xaml.Media.Imaging;
 using static Private.Infrastructure.TestServices;
 
 namespace Uno.UI.RuntimeTests.Tests.Windows_UI_Xaml_Controls
@@ -207,5 +211,25 @@ public async Task When_FontFamily_In_AndroidAsset()
 
 			Assert.AreNotEqual(originalSize, SUT.DesiredSize);
 		}
+
+		[TestMethod]
+		[RunsOnUIThread]
+		public async Task When_SolidColorBrush_With_Opacity()
+		{
+			var SUT = new TextBlock
+			{
+				Text = "••••••••",
+				FontSize = 24,
+				Foreground = new SolidColorBrush(Colors.Red) { Opacity = 0.5 },
+			};
+
+			WindowHelper.WindowContent = SUT;
+			await WindowHelper.WaitForIdle();
+
+			var renderer = new RenderTargetBitmap();
+			await renderer.RenderAsync(SUT);
+			var bitmap = await RawBitmap.From(renderer, SUT);
+			ImageAssert.HasColorInRectangle(bitmap, new System.Drawing.Rectangle(0, 0, bitmap.Width, bitmap.Height), Color.FromArgb(127, 127, 0, 0));
+		}
 	}
 }

src/Uno.UI/UI/Xaml/Documents/InlineCollection.skia.cs

@@ -322,7 +322,7 @@ internal void Render(SKSurface surface, Compositor compositor)
 							red: scb.Color.R,
 							green: scb.Color.G,
 							blue: scb.Color.B,
-							alpha: (byte)(scb.Color.A * compositor.CurrentOpacity));
+							alpha: (byte)(scb.Color.A * scb.Opacity * compositor.CurrentOpacity));
 					}
 
 					var decorations = segment.Inline.TextDecorations;