fel88#12 upd (hull clipping + simplification draw)

# Conflicts:
#	DeepNestLib/Background.cs
#	DeepNestLib/DeepNestLib.csproj
#	DeepNestLib/DxfParser.cs
#	DeepNestLib/NFP.cs
#	DeepNestLib/NestingContext.cs
#	DeepNestLib/RawDetail.cs
#	DeepNestLib/SvgNest.cs
#	DeepNestLib/SvgNestConfig.cs
#	DeepNestLib/SvgPoint.cs
#	DeepNestPort/Form1.Designer.cs
#	DeepNestPort/Form1.cs
#	DeepNestPort/Form1.resx

DeepNestLib/NFP.cs

@@ -31,7 +31,7 @@ public NFP()
     {
       this.points = new SvgPoint[0];
     }
-
+        
     public NFP(IEnumerable<SvgPoint> points)
     {
       this.points = points.DeepClone();

DeepNestLib/NestingContext.cs

@@ -323,49 +323,15 @@ public void LoadInputData(string path, int count)
 
     public bool TryImportFromRawDetail(RawDetail raw, int src, out NFP loadedNfp)
     {
-      NFP po = null;
-      List<NFP> nfps = new List<NFP>();
-      foreach (var item in raw.Outers)
+      loadedNfp = raw.ToNfp();
+      if (loadedNfp == null)
       {
-        var nn = new NFP();
-        nfps.Add(nn);
-        foreach (var pitem in item.Points)
-        {
-          nn.AddPoint(new SvgPoint(pitem.X, pitem.Y));
-        }
-      }
-
-      if (nfps.Any())
-      {
-        var tt = nfps.OrderByDescending(z => z.Area).First();
-        po = tt; // Reference caution needed here; should be cloning not messing with the original object?
-        po.Name = raw.Name;
-
-        foreach (var r in nfps)
-        {
-          if (r == tt)
-          {
-            continue;
-          }
-
-          if (po.Children == null)
-          {
-            po.Children = new List<NFP>();
-          }
-
-          po.Children.Add(r);
-        }
-
-        po.Source = src;
-        Polygons.Add(po);
-        loadedNfp = po;
-        return true;
-      }
-      else
-      {
-        loadedNfp = null;
         return false;
       }
+
+      loadedNfp.Source = src;
+      Polygons.Add(loadedNfp);
+      return true;
     }
 
     public int GetNextSource()
@@ -376,6 +342,7 @@ public int GetNextSource()
       }
       return 0;
     }
+
     public int GetNextSheetSource()
     {
       if (Sheets.Any())

DeepNestLib/RawDetail.cs

@@ -1,12 +1,64 @@
 namespace DeepNestLib
 {
-    using System.Collections.Generic;
+  using System.Collections.Generic;
+  using System.Drawing;
+  using System.Drawing.Drawing2D;
+  using System.Linq;
 
-    public class RawDetail
+  public class RawDetail
+  {
+    public List<LocalContour> Outers = new List<LocalContour>();
+    public List<LocalContour> Holes = new List<LocalContour>();
+
+    public RectangleF BoundingBox()
     {
-        public List<LocalContour> Outers = new List<LocalContour>();
-        public List<LocalContour> Holes = new List<LocalContour>();
+      GraphicsPath gp = new GraphicsPath();
+      foreach (var item in Outers)
+      {
+        gp.AddPolygon(item.Points.ToArray());
+      }
+
+      return gp.GetBounds();
+    }
+
+    public string Name { get; set; }
+
+    public NFP ToNfp()
+    {
+      NFP po = null;
+      List<NFP> nfps = new List<NFP>();
+      foreach (var item in this.Outers)
+      {
+        var nn = new NFP();
+        nfps.Add(nn);
+        foreach (var pitem in item.Points)
+        {
+          nn.AddPoint(new SvgPoint(pitem.X, pitem.Y));
+        }
+      }
+
+      if (nfps.Any())
+      {
+        var tt = nfps.OrderByDescending(z => z.Area).First();
+        po = tt; // Reference caution needed here; should be cloning not messing with the original object?
+        po.Name = Name;
+
+        foreach (var r in nfps)
+        {
+          if (r == tt)
+          {
+            continue;
+          }
+
+          if (po.Children == null)
+          {
+            po.Children = new List<NFP>();
+          }
+          po.Children.Add(r);
+        }
+      }
 
-        public string Name { get; set; }
+      return po;
     }
-}
+  }
+}

DeepNestLib/SvgNestConfig.cs

@@ -11,6 +11,9 @@ public class SvgNestConfig
     public double TimeRatio = 0.5;
     public bool MergeLines = false;
 
+    // port features (don't exist in the original DeepNest project)
+    public bool clipByHull = false;
+
     public double CurveTolerance
     {
       get