Fix support for rgba() and rgb() in tts:textShadow (#221)

Author: palemieux

src/main/js/utils.js

@@ -135,8 +135,8 @@
 
     imscUtils.parseTextShadow = function (str) {
 
-        var shadows = str.split(",");
-
+        var shadows = str.match(/([^\(,\)]|\([^\)]+\))+/g);
+        
         var r = [];
 
         for (var i in shadows) {

src/test/js/ParseTextShadowTest.js

@@ -18,8 +18,8 @@ QUnit.test("ParseTextShadow",
 
             /* four components */
 
-            ["10% -20% 5% lime", [shadow(10, "%", -20, "%", 5, "%", [0, 255, 0, 255])]]
-            
+            ["10% -20% 5% lime", [shadow(10, "%", -20, "%", 5, "%", [0, 255, 0, 255])]],
+            ["+10% 0% -1% rgba(233,30,99,255)", [shadow(10, "%", 0, "%", -1, "%", [233, 30, 99, 255])]]
 
 
         ];