增加Serie的clip参数控制是否超出坐标系外裁剪

Runtime/Component/Main/Serie.cs

@@ -246,6 +246,7 @@ namespace XCharts
         [SerializeField] [Range(1, 10)] private int m_ShowDataDimension;
         [SerializeField] private bool m_ShowDataName;
         [SerializeField] private bool m_ShowDataIcon;
+        [SerializeField] private bool m_Clip = false;
 
         [SerializeField] private List<SerieData> m_Data = new List<SerieData>();
 
@@ -498,9 +499,13 @@ namespace XCharts
         /// <summary>
         /// 数据项里的数据维数。
         /// </summary>
-        /// <value></value>
         public int showDataDimension { get { return m_ShowDataDimension; } }
         /// <summary>
+        /// If clip the overflow on the coordinate system.
+        /// 是否裁剪超出坐标系部分的图形。
+        /// </summary>
+        public bool clip { get { return m_Clip; } set { m_Clip = value; } }
+        /// <summary>
         /// 系列中的数据内容数组。SerieData可以设置1到n维数据。
         /// </summary>
         public List<SerieData> data { get { return m_Data; } }

Runtime/Component/Main/Series.cs

@@ -179,6 +179,19 @@ namespace XCharts
             return false;
         }
 
+        /// <summary>
+        /// 是否有需裁剪的serie。
+        /// </summary>
+        /// <returns></returns>
+        internal bool IsAnyClipSerie()
+        {
+            foreach (var serie in m_Series)
+            {
+                if (serie.clip) return true;
+            }
+            return false;
+        }
+
         internal bool IsAnyUpdateAnimationSerie()
         {
             foreach (var serie in m_Series)