Merge pull request #87 from articulate/master

Colors Fix, Perf Improvement, Thread Safety

Source/Painting/SvgColourConverter.cs

@@ -115,7 +115,7 @@ namespace Svg
             if (destinationType == typeof(string))
             {
                 var colour = (Color)value;
-                return ColorTranslator.ToHtml(colour);
+                return "#" + colour.R.ToString("X2", null) + colour.G.ToString("X2", null) + colour.B.ToString("X2", null);
             }
 
             return base.ConvertTo(context, culture, value, destinationType);

Source/Paths/SvgPathBuilder.cs

@@ -276,7 +276,7 @@ namespace Svg
 
         private static IEnumerable<float> ParseCoordinates(string coords)
         {
-            var parts = Regex.Split(coords.Remove(0, 1), @"[\s,]|(?=(?<!e)-)");
+            var parts = Regex.Split(coords.Remove(0, 1), @"[\s,]|(?=(?<!e)-)", RegexOptions.Compiled);
 
             for (int i = 0; i < parts.Length; i++)
             {

Source/SvgElementFactory.cs

@@ -167,12 +167,15 @@ namespace Svg
         }
 
         private static Dictionary<Type, Dictionary<string, PropertyDescriptorCollection>> _propertyDescriptors = new Dictionary<Type, Dictionary<string, PropertyDescriptorCollection>>();
+        private static object syncLock = new object();
 
         private static void SetPropertyValue(SvgElement element, string attributeName, string attributeValue, SvgDocument document)
         {
             var elementType = element.GetType();
 
             PropertyDescriptorCollection properties;
+            lock (syncLock)
+            {
                 if (_propertyDescriptors.Keys.Contains(elementType))
                 {
                     if (_propertyDescriptors[elementType].Keys.Contains(attributeName))
@@ -192,6 +195,7 @@ namespace Svg
 
                     _propertyDescriptors[elementType].Add(attributeName, properties);
                 } 
+            }
 
             if (properties.Count > 0)
             {