             }
         }
         
+        /// 点列表，用于定义形状，如 [[22, 44], [44, 55], [11, 44], ...]
         public var point: [[Float]]?
+        /// 是否平滑曲线
         public var smooth: Smooth?
+        /// 是否将平滑曲线约束在包围盒中。smooth 为 number（bezier）时生效。
         public var smoothConstraint: Bool?
         
         public init() {}
     }
     
+    /// <#Description#>
     public var type: SECGraphicType {
         return .polygon
     }
-    
     public var id: String?
     public var action: SECGraphicAction?
     public var left: SECPosition?

//  Copyright © 2017 com.pluto-y. All rights reserved.
//

public struct SECPolylineGraphic : SECGraphic {
    
    public struct Shape {
        
        public enum Smooth : SECJsonable {
            case val(Float)
            case spline

    public var cursor: String?
    public var draggable: Bool?
    public var progressiv: Bool?
    
    /// 折线的位置节点
    public var shape: Shape?
    /// 折线的样式
    public var style: SECCommonGraphicStyle?
    
    public init() {}
