Improve notification icon rendering.

source/SylphyHorn/ApplicationPreparation.cs

@@ -127,6 +127,9 @@ public TaskTrayIcon CreateTaskTrayIcon()
 				{
 					new TaskTrayIconItem(Resources.TaskTray_Menu_Settings, ShowSettings, () => Application.Args.CanSettings),
 					new TaskTrayIconItem(Resources.TaskTray_Menu_Exit, this._shutdownAction),
+#if DEBUG
+					new TaskTrayIconItem("Tasktray Icon Test", () => new TaskTrayTestWindow().Show()),
+#endif
 				};
 
 				this._taskTrayIcon = new TaskTrayIcon(icon, lightIcon, menus);

source/SylphyHorn/Interop/ColorHelper.cs

@@ -0,0 +1,12 @@
+using System.Windows.Media;
+
+namespace SylphyHorn.Interop
+{
+	public static class ColorHelper
+	{
+		public static System.Drawing.Color ToGDIColor(this Color color)
+		{
+			return System.Drawing.Color.FromArgb(color.A, color.R, color.G, color.B);
+		}
+	}
+}

source/SylphyHorn/Interop/IconHelper.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Drawing;
-using System.Windows;
+using System.IO;
+using System.Windows.Media.Imaging;
 using MetroRadiance.Interop;
 
 namespace SylphyHorn.Interop
@@ -20,6 +21,35 @@ public static Icon GetIconFromResource(Uri uri)
 			}
 		}
 
+		public static RenderTargetBitmap ToRenderTargetBitmap(this System.Windows.Media.DrawingVisual drawingVisual, Size size, Dpi? dpi = null)
+		{
+			var imageDpi = dpi ?? new Dpi(96, 96);
+			var imageSize = ScaleSizeByDpi(size, imageDpi);
+			var renderTarget = new RenderTargetBitmap(imageSize.Width, imageSize.Height, imageDpi.X, imageDpi.Y, System.Windows.Media.PixelFormats.Default);
+			renderTarget.Render(drawingVisual);
+			return renderTarget;
+		}
+
+		public static Bitmap ToBitmap(this System.Windows.Media.DrawingVisual drawingVisual, Size size, Dpi? dpi = null, Color? transparentColor = null)
+		{
+			var renderTarget = drawingVisual.ToRenderTargetBitmap(size, dpi);
+			var encoder = new BmpBitmapEncoder();
+			var frame = BitmapFrame.Create(renderTarget);
+			encoder.Frames.Add(frame);
+
+			using (var stream = new MemoryStream())
+			{
+				encoder.Save(stream);
+
+				var bitmap = new Bitmap(stream, useIcm: true);
+				if (transparentColor.HasValue)
+				{
+					bitmap.MakeTransparent(transparentColor.Value);
+				}
+				return bitmap;
+			}
+		}
+
 		public static Icon ToIcon(this Bitmap bitmap)
 		{
 			var iconHandle = bitmap.GetHicon();
@@ -28,21 +58,43 @@ public static Icon ToIcon(this Bitmap bitmap)
 			return icon;
 		}
 
+#if DEBUG
+		internal static BitmapSource ToBitmapSource(this Icon icon)
+		{
+			using (var bitmap = icon.ToBitmap())
+			using (var stream = new MemoryStream())
+			{
+				bitmap.Save(stream, System.Drawing.Imaging.ImageFormat.Png);
+				stream.Seek(0, SeekOrigin.Begin);
+
+				var bitmapSource = BitmapFrame.Create(stream, BitmapCreateOptions.None, BitmapCacheOption.OnLoad);
+				return bitmapSource;
+			}
+		}
+#endif
+
 		private static Icon ScaleIconToDpi(Icon targetIcon)
 		{
-			var dpi = GetMonitorDpi();
+			var dpi = GetSystemDpi();
 
-			return new Icon(targetIcon, new System.Drawing.Size((int)(16 * dpi.ScaleX), (int)(16 * dpi.ScaleY)));
+			return new Icon(targetIcon, new Size((int)(16 * dpi.ScaleX), (int)(16 * dpi.ScaleY)));
 		}
 
-		public static System.Windows.Size GetIconSize()
+		public static Size GetIconSize()
 		{
-			var dpi = GetMonitorDpi();
+			return new Size(
+				(int)System.Windows.SystemParameters.SmallIconWidth,
+				(int)System.Windows.SystemParameters.SmallIconHeight);
+		}
 
-			return new System.Windows.Size(SystemParameters.SmallIconWidth * dpi.ScaleX, SystemParameters.SmallIconHeight * dpi.ScaleY);
+		private static Size ScaleSizeByDpi(Size size, Dpi dpi)
+		{
+			return new Size(
+				(int)Math.Round(size.Width * dpi.ScaleX),
+				(int)Math.Round(size.Height * dpi.ScaleY));
 		}
-		
-		private static Dpi GetMonitorDpi()
+
+		public static Dpi GetSystemDpi()
 		{
 			return PerMonitorDpi.GetDpi(IntPtr.Zero);
 		}

source/SylphyHorn/SylphyHorn.csproj

@@ -230,6 +230,7 @@
     <Compile Include="Annotations\LightAttribute.cs" />
     <Compile Include="ApplicationPreparation.cs" />
     <Compile Include="CommandLineArgs.cs" />
+    <Compile Include="Interop\ColorHelper.cs" />
     <Compile Include="Interop\DotnetVersion.cs" />
     <Compile Include="Interop\IconHelper.cs" />
     <Compile Include="Interop\IDesktopWallpaper.cs" />
@@ -282,6 +283,9 @@
       <DependentUpon>SettingsWindow.xaml</DependentUpon>
     </Compile>
     <Compile Include="Interop\UwpBridge.cs" />
+    <Compile Include="UI\TaskTrayTestWindow.xaml.cs" Condition="'$(Configuration)' == 'Debug'">
+      <DependentUpon>TaskTrayTestWindow.xaml</DependentUpon>
+    </Compile>
     <Page Include="Styles\Controls.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
@@ -324,6 +328,10 @@
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
     </Page>
+    <Page Include="UI\TaskTrayTestWindow.xaml" Condition="'$(Configuration)' == 'Debug'">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Services\ShortcutKeyDetector.cs" />