增加Treemap扩展支持

Runtime/Component/Main/Serie.cs

@@ -1188,6 +1188,7 @@ namespace XCharts
         public float runtimeY { get; internal set; }
         public float runtimeWidth { get; internal set; }
         public float runtimeHeight { get; internal set; }
+        public Rect runtimeRect { get; internal set; }
         public List<SerieData> runtimeSortedData { get { return m_SortedData; } }
         public bool nameDirty { get { return m_NameDirty; } }
 
@@ -1645,6 +1646,31 @@ namespace XCharts
             return null;
         }
 
+        public SerieData GetSerieData(string uuid, DataZoom dataZoom = null)
+        {
+            var data = GetDataList(dataZoom);
+            foreach (var serieData in data)
+            {
+                var target = GetSerieData(serieData, uuid);
+                if (target != null) return target;
+            }
+            return null;
+        }
+
+        public SerieData GetSerieData(SerieData parent, string uuid)
+        {
+            if (uuid.Equals(parent.uuid)) return parent;
+            foreach (var child in parent.children)
+            {
+                var data = GetSerieData(child, uuid);
+                if (data != null)
+                {
+                    return data;
+                }
+            }
+            return null;
+        }
+
         /// <summary>
         /// 获得指定索引的维度X和维度Y的数据
         /// </summary>