增加AreaStyle的高亮相关参数配置鼠标悬浮时高亮之前区域

Scripts/UI/Internal/AreaStyle.cs

@@ -36,7 +36,10 @@ namespace XCharts
         [SerializeField] private AreaOrigin m_Origin;
         [SerializeField] private Color m_Color;
         [SerializeField] private Color m_ToColor;
-        [SerializeField][Range(0,1)] private float m_Opacity;
+        [SerializeField] [Range(0, 1)] private float m_Opacity;
+        [SerializeField] private bool m_TooltipHighlight;
+        [SerializeField] private Color m_HighlightColor;
+        [SerializeField] private Color m_HighlightToColor;
 
         /// <summary>
         /// Set this to false to prevent the areafrom showing.
@@ -57,13 +60,26 @@ namespace XCharts
         /// Gradient color, start color to toColor.
         /// 渐变色的终点颜色。
         /// </summary>
-        /// <value></value>
         public Color toColor { get { return m_ToColor; } set { m_ToColor = value; } }
         /// <summary>
         /// Opacity of the component. Supports value from 0 to 1, and the component will not be drawn when set to 0.
         /// 图形透明度。支持从 0 到 1 的数字，为 0 时不绘制该图形。
         /// </summary>
         public float opacity { get { return m_Opacity; } set { m_Opacity = value; } }
+        /// <summary>
+        /// 鼠标悬浮时是否高亮之前的区域
+        /// </summary>
+        public bool tooltipHighlight { get { return m_TooltipHighlight; } set { m_TooltipHighlight = value; } }
+        /// <summary>
+        /// the color of area,default use serie color.
+        /// 高亮时区域填充的颜色，如果highlightToColor不是默认值，则表示渐变色的起点颜色。
+        /// </summary>
+        public Color highlightColor { get { return m_HighlightColor; } set { m_HighlightColor = value; } }
+        /// <summary>
+        /// Gradient color, start highlightColor to highlightToColor.
+        /// 高亮时渐变色的终点颜色。
+        /// </summary>
+        public Color highlightToColor { get { return m_HighlightToColor; } set { m_HighlightToColor = value; } }
 
         public static AreaStyle defaultAreaStyle
         {