Added an Inflate Path Object

Added new icons for smooth and inflate

DesignTools/Operations/Path/InflatePathObject3D.cs

@@ -0,0 +1,111 @@
+/*
+Copyright (c) 2018, Lars Brubaker, John Lewin
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+The views and conclusions contained in the software and documentation are those
+of the authors and should not be interpreted as representing official policies,
+either expressed or implied, of the FreeBSD Project.
+*/
+
+using System.Collections.Generic;
+using ClipperLib;
+using MatterHackers.Agg.UI;
+using MatterHackers.DataConverters3D;
+using MatterHackers.Localizations;
+using MatterHackers.MatterControl.DesignTools.Operations;
+
+namespace MatterHackers.MatterControl.DesignTools.Operations
+{
+	using MatterHackers.Agg.VertexSource;
+	using MatterHackers.DataConverters2D;
+	using Newtonsoft.Json;
+	using System;
+	using System.ComponentModel;
+	using System.Linq;
+	using Polygons = List<List<IntPoint>>;
+
+	public class InflatePathObject3D : Object3D, IPathObject, IEditorDraw
+	{
+		public IVertexSource VertexSource { get; set; } = new VertexStorage();
+
+		public InflatePathObject3D()
+		{
+			Name = "Inflate Path".Localize();
+		}
+
+		[Description("Change the width of the image lines.")]
+		public double Inflate { get; set; }
+
+		public override bool CanRemove => true;
+
+		public override void OnInvalidate(InvalidateArgs invalidateType)
+		{
+			if ((invalidateType.InvalidateType == InvalidateType.Content
+				|| invalidateType.InvalidateType == InvalidateType.Matrix
+				|| invalidateType.InvalidateType == InvalidateType.Path)
+				&& invalidateType.Source != this
+				&& !RebuildLocked)
+			{
+				Rebuild(null);
+			}
+			else if (invalidateType.InvalidateType == InvalidateType.Properties
+				&& invalidateType.Source == this)
+			{
+				Rebuild(null);
+			}
+			else
+			{
+				base.OnInvalidate(invalidateType);
+			}
+		}
+
+		private void Rebuild(UndoBuffer undoBuffer)
+		{
+			this.DebugDepth("Rebuild");
+			using (RebuildLock())
+			{
+				InsetPath();
+			}
+
+			Invalidate(new InvalidateArgs(this, InvalidateType.Path));
+		}
+
+		private void InsetPath()
+		{
+			var path = this.Children.OfType<IPathObject>().FirstOrDefault();
+			if(path == null)
+			{
+				// cleare our existing data
+				VertexSource = new VertexStorage();
+				return;
+			}
+
+			VertexSource = path.VertexSource.Offset(Inflate);
+		}
+
+		public void DrawEditor(object sender, DrawEventArgs e)
+		{
+			ImageToPathObject3D.DrawPath(this);
+		}
+	}
+}

DesignTools/Operations/Path/SmoothPathObject3D.cs

@@ -92,10 +92,13 @@ namespace MatterHackers.MatterControl.DesignTools.Operations
 
 		private void DoSmoothing(long maxDist, int interations)
 		{
+
 			bool closedPath = true;
 			var path = this.Children.OfType<IPathObject>().FirstOrDefault();
 			if(path == null)
 			{
+				// cleare our existing data
+				VertexSource = new VertexStorage();
 				return;
 			}
 			var sourceVertices = path.VertexSource;