Making Object3D classes consistent

issue: MatterHackers/MCCentral#3702
Consider adding 'Object3D' suffix to Object3D types or use consistent format

DesignTools/Operations/Image/LinearExtrudeObject3D.cs

@@ -0,0 +1,128 @@
+/*
+Copyright (c) 2017, 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 MatterHackers.Agg.VertexSource;
+using MatterHackers.DataConverters3D;
+using Newtonsoft.Json;
+using System.Linq;
+
+namespace MatterHackers.MatterControl.DesignTools
+{
+	using MatterHackers.Agg.UI;
+	using MatterHackers.DataConverters3D.UndoCommands;
+	using MatterHackers.Localizations;
+	using MatterHackers.MatterControl.DesignTools.Operations;
+	using MatterHackers.PolygonMesh;
+	using System.Collections.Generic;
+	using System.Threading;
+
+	public class LinearExtrudeObject3D : Object3D
+	{
+		public double Height { get; set; } = 5;
+
+		public override bool CanApply => true;
+		public override bool CanRemove => true;
+
+		[JsonIgnore]
+		private IVertexSource VertexSource
+		{
+			get
+			{
+				var item = this.Descendants().Where((d) => d is IPathObject).FirstOrDefault();
+				if (item is IPathObject pathItem)
+				{
+					return pathItem.VertexSource;
+				}
+
+				return null;
+			}
+		}
+
+		public override void Apply(UndoBuffer undoBuffer)
+		{
+			// only keep the mesh and get rid of everything else
+			using (RebuildLock())
+			{
+				var meshOnlyItem = new Object3D()
+				{
+					Mesh = this.Mesh.Copy(CancellationToken.None)
+				};
+
+				meshOnlyItem.CopyProperties(this, Object3DPropertyFlags.All);
+
+				// and replace us with the children 
+				undoBuffer.AddAndDo(new ReplaceCommand(new List<IObject3D> { this }, new List<IObject3D> { meshOnlyItem }));
+			}
+
+			Invalidate(new InvalidateArgs(this, InvalidateType.Content));
+		}
+
+		public LinearExtrudeObject3D()
+		{
+			Name = "Linear Extrude".Localize();
+		}
+
+		public override void OnInvalidate(InvalidateArgs invalidateType)
+		{
+			if ((invalidateType.InvalidateType == InvalidateType.Content
+				|| invalidateType.InvalidateType == InvalidateType.Matrix
+				|| invalidateType.InvalidateType == InvalidateType.Mesh
+				|| 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)
+		{
+			using (RebuildLock())
+			{
+				var vertexSource = this.VertexSource;
+				Mesh = VertexSourceToMesh.Extrude(this.VertexSource, Height);
+				if (Mesh.Vertices.Count == 0)
+				{
+					Mesh = null;
+				}
+			}
+
+			Invalidate(new InvalidateArgs(this, InvalidateType.Mesh));
+		}
+	}
+}