From 210dcfe502b0701000e40c97387a3df5e6add6f9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=BA=91=E5=82=B2=E5=B4=96-=E5=BF=98=E9=9C=84?=
 <702099480@qq.com>
Date: Fri, 12 Aug 2022 03:19:11 +0000
Subject: [PATCH] =?UTF-8?q?update=20src/IFoxCAD.Cad/ExtensionMethod/CurveE?=
 =?UTF-8?q?x.cs.=20=E6=B7=BB=E5=8A=A0=E6=89=93=E6=96=AD=E7=82=B9=E8=A1=A8(?=
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Signed-off-by: 云傲崖-忘霄 <702099480@qq.com>
---
 src/IFoxCAD.Cad/ExtensionMethod/CurveEx.cs | 61 ++++++++++++++++++++--
 1 file changed, 58 insertions(+), 3 deletions(-)

diff --git a/src/IFoxCAD.Cad/ExtensionMethod/CurveEx.cs b/src/IFoxCAD.Cad/ExtensionMethod/CurveEx.cs
index 4056bc5..2a73a76 100644
--- a/src/IFoxCAD.Cad/ExtensionMethod/CurveEx.cs
+++ b/src/IFoxCAD.Cad/ExtensionMethod/CurveEx.cs
@@ -1,4 +1,4 @@
-namespace IFoxCAD.Cad;
+namespace IFoxCAD.Cad;
 
 /// <summary>
 /// 实体类曲线扩展类
@@ -20,15 +20,45 @@ public static double GetLength(this Curve curve)
     /// </summary>
     /// <param name="curve">曲线</param>
     /// <param name="pars">打断参数表</param>
+    /// <param name="func">参数表排序委托
+    /// <para>
+    /// 默认：<see langword="null"/> 按所提供的参数表进行分割打断<br/>
+    /// 否则：按委托排序后的参数表进行分割打断
+    /// </para>
+    /// </param>
     /// <returns>打断后曲线的集合</returns>
-    public static IEnumerable<Curve> GetSplitCurves(this Curve curve, IEnumerable<double> pars)
+    public static IEnumerable<Curve> GetSplitCurves(this Curve curve,
+                                                    IEnumerable<double> pars,
+                                                    Func<IEnumerable<double>, IEnumerable<double>> func = null)
     {
+        if (func != null)
+            pars = func.Invoke(pars);
         return
             curve
             .GetSplitCurves(new DoubleCollection(pars.ToArray()))
             .Cast<Curve>();
     }
-
+ 
+    /// <summary>
+    /// 获取分割曲线集合
+    /// </summary>
+    /// <param name="curve">曲线</param>
+    /// <param name="pars">打断参数表</param>
+    /// <param name="isOrder">对参数表是否进行排序
+    /// <para>
+    /// <see langword="true"/>：按参数值升序排序；<br/>
+    /// <see langword="false"/>：不排序，默认值
+    /// </para>
+    /// </param>
+    /// <returns>打断后曲线的集合</returns>
+    public static IEnumerable<Curve> GetSplitCurves(this Curve curve, IEnumerable<double> pars, bool isOrder = false)
+    {
+        return
+            curve
+            .GetSplitCurves(new DoubleCollection(isOrder ? pars.OrderBy(x => x).ToArray() : pars.ToArray()))
+            .Cast<Curve>();
+    }
+ 
     /// <summary>
     /// 获取分割曲线集合
     /// </summary>
@@ -42,6 +72,31 @@ public static IEnumerable<Curve> GetSplitCurves(this Curve curve, IEnumerable<Po
             .GetSplitCurves(new Point3dCollection(points.ToArray()))
             .Cast<Curve>();
     }
+ 
+    /// <summary>
+    /// 获取分割曲线集合
+    /// </summary>
+    /// <param name="curve">曲线</param>
+    /// <param name="points">打断点表</param>
+    /// <param name="isOrder">对点表是否进行排序
+    /// <para>
+    /// <see langword="true"/>：按参数值升序排序；<br/>
+    /// <see langword="false"/>：不排序，默认值
+    /// </para>
+    /// </param>
+    /// <returns>打断后曲线的集合</returns>
+    public static IEnumerable<Curve> GetSplitCurves(this Curve curve,
+                                                    IEnumerable<Point3d> points,
+                                                    bool isOrder = false)
+    {
+        if (isOrder)
+            points = points.OrderBy(point => curve.GetParameterAtPoint(
+                curve.GetClosestPointTo(point, false)));
+        return
+            curve
+            .GetSplitCurves(new Point3dCollection(points.ToArray()))
+            .Cast<Curve>();
+    }
 
     /// <summary>
     /// 获取曲线集所围成的封闭区域的曲线集，注意此函数不能处理平行边（两个点及两条线组成的闭合环）
-- 
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