1 files changed, 117 insertions, 0 deletions
diff --git a/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Highlighting/HighlightingBrush.cs b/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Highlighting/HighlightingBrush.cs
new file mode 100644
index 000000000..2e99013f3
--- /dev/null
+++ b/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Highlighting/HighlightingBrush.cs
@@ -0,0 +1,117 @@
+// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
+// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
+
+using System;
+using System.Diagnostics;
+using System.Globalization;
+using System.Reflection;
+using System.Runtime.Serialization;
+using System.Windows;
+using System.Windows.Media;
+
+using Tango.Scripting.Editors.Rendering;
+
+namespace Tango.Scripting.Editors.Highlighting
+{
+	/// <summary>
+	/// A brush used for syntax highlighting. Can retrieve a real brush on-demand.
+	/// </summary>
+	[Serializable]
+	public abstract class HighlightingBrush
+	{
+		/// <summary>
+		/// Gets the real brush.
+		/// </summary>
+		/// <param name="context">The construction context. context can be null!</param>
+		public abstract Brush GetBrush(ITextRunConstructionContext context);
+		
+		/// <summary>
+		/// Gets the color of the brush.
+		/// </summary>
+		/// <param name="context">The construction context. context can be null!</param>
+		public virtual Color? GetColor(ITextRunConstructionContext context)
+		{
+			SolidColorBrush scb = GetBrush(context) as SolidColorBrush;
+			if (scb != null)
+				return scb.Color;
+			else
+				return null;
+		}
+	}
+	
+	/// <summary>
+	/// Highlighting brush implementation that takes a frozen brush.
+	/// </summary>
+	[Serializable]
+	sealed class SimpleHighlightingBrush : HighlightingBrush, ISerializable
+	{
+		readonly SolidColorBrush brush;
+		
+		public SimpleHighlightingBrush(SolidColorBrush brush)
+		{
+			brush.Freeze();
+			this.brush = brush;
+		}
+		
+		public SimpleHighlightingBrush(Color color) : this(new SolidColorBrush(color)) {}
+		
+		public override Brush GetBrush(ITextRunConstructionContext context)
+		{
+			return brush;
+		}
+		
+		public override string ToString()
+		{
+			return brush.ToString();
+		}
+		
+		SimpleHighlightingBrush(SerializationInfo info, StreamingContext context)
+		{
+			this.brush = new SolidColorBrush((Color)ColorConverter.ConvertFromString(info.GetString("color")));
+			brush.Freeze();
+		}
+		
+		void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context)
+		{
+			info.AddValue("color", brush.Color.ToString(CultureInfo.InvariantCulture));
+		}
+	}
+	
+	/// <summary>
+	/// HighlightingBrush implementation that finds a brush using a resource.
+	/// </summary>
+	[Serializable]
+	sealed class SystemColorHighlightingBrush : HighlightingBrush, ISerializable
+	{
+		readonly PropertyInfo property;
+		
+		public SystemColorHighlightingBrush(PropertyInfo property)
+		{
+			Debug.Assert(property.ReflectedType == typeof(SystemColors));
+			Debug.Assert(typeof(Brush).IsAssignableFrom(property.PropertyType));
+			this.property = property;
+		}
+		
+		public override Brush GetBrush(ITextRunConstructionContext context)
+		{
+			return (Brush)property.GetValue(null, null);
+		}
+		
+		public override string ToString()
+		{
+			return property.Name;
+		}
+		
+		SystemColorHighlightingBrush(SerializationInfo info, StreamingContext context)
+		{
+			property = typeof(SystemColors).GetProperty(info.GetString("propertyName"));
+			if (property == null)
+				throw new ArgumentException("Error deserializing SystemColorHighlightingBrush");
+		}
+		
+		void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context)
+		{
+			info.AddValue("propertyName", property.Name);
+		}
+	}
+}