1 files changed, 55 insertions, 0 deletions
diff --git a/Xamarin.Forms.Build.Tasks/CompiledConverters/ColorTypeConverter.cs b/Xamarin.Forms.Build.Tasks/CompiledConverters/ColorTypeConverter.cs
new file mode 100644
index 00000000..39527954
--- /dev/null
+++ b/Xamarin.Forms.Build.Tasks/CompiledConverters/ColorTypeConverter.cs
@@ -0,0 +1,55 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+using Mono.Cecil;
+using Mono.Cecil.Cil;
+
+using Xamarin.Forms.Xaml;
+
+namespace Xamarin.Forms.Core.XamlC
+{
+	class ColorTypeConverter : ICompiledTypeConverter
+	{
+		public IEnumerable<Instruction> ConvertFromString(string value, ModuleDefinition module, BaseNode node)
+		{
+			do {
+				if (string.IsNullOrEmpty(value))
+					break;
+
+				value = value.Trim();
+
+				if (value.StartsWith("#", StringComparison.Ordinal)) {
+					var color = Color.FromHex(value);
+					yield return Instruction.Create(OpCodes.Ldc_R8, color.R);
+					yield return Instruction.Create(OpCodes.Ldc_R8, color.G);
+					yield return Instruction.Create(OpCodes.Ldc_R8, color.B);
+					yield return Instruction.Create(OpCodes.Ldc_R8, color.A);
+					var colorCtor = module.Import(typeof(Color)).Resolve().Methods.FirstOrDefault(
+						md => md.IsConstructor && md.Parameters.Count == 4 &&
+						md.Parameters.All(p => p.ParameterType.FullName == "System.Double"));
+					var colorCtorRef = module.Import(colorCtor);
+					yield return Instruction.Create(OpCodes.Newobj, colorCtorRef);
+					yield break;
+				}
+				var parts = value.Split('.');
+				if (parts.Length == 1 || (parts.Length == 2 && parts [0] == "Color")) {
+					var color = parts [parts.Length - 1];
+
+					var field = module.Import(typeof(Color)).Resolve().Fields.SingleOrDefault(fd => fd.Name == color && fd.IsStatic);
+					if (field != null) {
+						yield return Instruction.Create(OpCodes.Ldsfld, module.Import(field));
+						yield break;
+					}
+					var propertyGetter = module.Import(typeof(Color)).Resolve().Properties.SingleOrDefault(pd => pd.Name == color && pd.GetMethod.IsStatic)?.GetMethod;
+					if (propertyGetter != null) {
+						yield return Instruction.Create(OpCodes.Call, module.Import(propertyGetter));
+						yield break;
+					}
+				}
+			} while (false);
+
+			throw new XamlParseException($"Cannot convert \"{value}\" into {typeof(Color)}", node);
+		}
+	}
+}
+\ No newline at end of file