整理，准备曲线算法

AIStudio.Wpf.DiagramDesigner/PathGenerators/StraightLinePathFinder.cs

@@ -0,0 +1,37 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Windows;
+
+namespace AIStudio.Wpf.DiagramDesigner
+{
+    public class StraightLinePathFinder : IPathFinder
+    {
+
+
+        public List<PointInfoBase> UpdateConnectionPoints(IDiagramViewModel diagramViewModel, Point sourceA, Point sourceB, FullyCreatedConnectorInfo sourceConnectorInfo, ConnectorInfoBase sinkConnectorInfo)
+        {
+            var area = new Rect(sourceA, sourceB);
+            var connectionPoints = PointInfoBase.ToList(new List<Point>()
+                                   {
+
+                                       new Point(sourceA.X  <  sourceB.X ? 0d : area.Width, sourceA.Y  <  sourceB.Y ? 0d : area.Height ),
+                                       new Point(sourceA.X  >  sourceB.X ? 0d : area.Width, sourceA.Y  >  sourceB.Y ? 0d : area.Height)
+                                   });
+
+            return connectionPoints;
+        }
+
+        public List<Point> GetConnectionLine(IDiagramViewModel diagramViewModel, ConnectorInfo source, ConnectorInfo sink, bool showLastLine, bool sourceInnerPoint = false)
+        {
+            throw new NotImplementedException();
+        }
+
+        public List<Point> GetConnectionLine(IDiagramViewModel diagramViewModel, ConnectorInfo source, Point sinkPoint, ConnectorOrientation preferredOrientation, bool showLastLine, bool isInnerPoint = false)
+        {
+            throw new NotImplementedException();
+        }
+
+
+    }
+}