Adding in pinch object

ApplicationView/ApplicationController.cs

@@ -493,6 +493,19 @@ namespace MatterHackers.MatterControl
 				Icon = AggContext.StaticData.LoadIcon("array_advanced.png").SetPreMultiply(),
 				IsEnabled = (scene) => scene.HasSelection && !(scene.SelectedItem is SelectionGroup),
 			},
+			new SceneSelectionSeparator(),
+			new SceneSelectionOperation()
+			{
+				TitleResolver = () => "Pinch".Localize(),
+				Action = (scene) =>
+				{
+					var pinch = new PinchObject3D();
+					MeshWrapperObject3D.WrapSelection(pinch, scene);
+					pinch.MakeNameNonColliding();
+				},
+				Icon = AggContext.StaticData.LoadIcon("pinch.png", 16, 16),
+				IsEnabled = (scene) => scene.HasSelection,
+			},
 			new SceneSelectionOperation()
 			{
 				TitleResolver = () => "Fit to Bounds".Localize(),
@@ -534,13 +547,6 @@ namespace MatterHackers.MatterControl
 				Action = (scene) => new BendObject3D(scene.SelectedItem),
 				IsEnabled = (scene) => scene.HasSelection,
 			},
-			new SceneSelectionOperation()
-			{
-				// Should be a pinch command that makes a pinch object with the correct controls
-				TitleResolver = () => "Pinch".Localize(),
-				//Action = (scene) => scene.UndoBuffer.AddAndDo(new GroupCommand(scene, scene.SelectedItem)),
-				IsEnabled = (scene) => scene.HasSelection,
-			}
 #endif
 		};
 

DesignTools/Operations/PinchEditor.cs

@@ -0,0 +1,87 @@
+/*
+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;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using MatterHackers.Agg;
+using MatterHackers.Agg.Font;
+using MatterHackers.Agg.UI;
+using MatterHackers.DataConverters3D;
+using MatterHackers.Localizations;
+using MatterHackers.MatterControl.PartPreviewWindow;
+using MatterHackers.MatterControl.PartPreviewWindow.View3D;
+using MatterHackers.PolygonMesh;
+using MatterHackers.VectorMath;
+
+namespace MatterHackers.MatterControl.DesignTools
+{
+	public class PinchObject3D : MeshWrapperObject3D, IRebuildable
+	{
+		[DisplayName("Back Ratio")]
+		public double PinchRatio { get; set; } = 1;
+
+		public PinchObject3D()
+		{
+		}
+
+		public void Rebuild(UndoBuffer undoBuffer)
+		{
+			var aabb = this.GetAxisAlignedBoundingBox();
+
+			var meshWrapper = this.Descendants()
+				.Where((obj) => obj.OwnerID == this.ID).ToList();
+
+			foreach (var meshes in meshWrapper.Select((mw) => (Original: mw.Children.First().Mesh,
+				 Transformed: mw.Mesh)))
+			{
+				for (int i = 0; i < meshes.Original.Vertices.Count; i++)
+				{
+					var pos = meshes.Original.Vertices[i].Position;
+
+					var ratioToApply = PinchRatio;
+
+					var distFromCenter = pos.X - aabb.Center.X;
+					var distanceToPinch = distFromCenter * (1 - PinchRatio);
+					var delta = (aabb.Center.X + distFromCenter * ratioToApply) - pos.X;
+
+					// find out how much to pinch based on y position
+					var amountOfRatio = (pos.Y - aabb.minXYZ.Y) / aabb.YSize;
+					meshes.Transformed.Vertices[i].Position = new Vector3(pos.X + delta * amountOfRatio, pos.Y, pos.Z);
+				}
+
+				meshes.Transformed.MarkAsChanged();
+				meshes.Transformed.CalculateNormals();
+			}
+		}
+	}
+}

DesignTools/PublicPropertyEditor.cs

@@ -136,10 +136,35 @@ namespace MatterHackers.MatterControl.DesignTools
 			return nameAttribute?.DisplayName ?? prop.Name.SplitCamelCase();
 		}
 
-		private string GetDescription(PropertyInfo prop)
+		public class EditableProperty
 		{
-			var nameAttribute = prop.GetCustomAttributes(true).OfType<DescriptionAttribute>().FirstOrDefault();
-			return nameAttribute?.Description ?? null;
+			public Object Item { get; private set; }
+			public PropertyInfo PropertyInfo { get; private set; }
+			public EditableProperty(PropertyInfo p, object item)
+			{
+				this.Item = item;
+				this.PropertyInfo = p;
+			}
+
+			private string GetDescription(PropertyInfo prop)
+			{
+				var nameAttribute = prop.GetCustomAttributes(true).OfType<DescriptionAttribute>().FirstOrDefault();
+				return nameAttribute?.Description ?? null;
+			}
+
+			public object Value => PropertyInfo.GetGetMethod().Invoke(Item, null);
+			public string DisplayName => GetDisplayName(PropertyInfo);
+			public string Description => GetDescription(PropertyInfo);
+			public Type ptype => PropertyInfo.PropertyType;
+		}
+
+		public static IEnumerable<EditableProperty> GetEditablePropreties(Object item)
+		{
+			return item.GetType().GetProperties(OwnedPropertiesOnly)
+				.Where(pi => (allowedTypes.Contains(pi.PropertyType) || pi.PropertyType.IsEnum)
+					&& pi.GetGetMethod() != null
+					&& pi.GetSetMethod() != null)
+				.Select(p => new EditableProperty(p, item));
 		}
 
 		private void CreateEditor(View3DWidget view3DWidget, FlowLayoutWidget editControlsContainer, ThemeConfig theme)
@@ -150,18 +175,7 @@ namespace MatterHackers.MatterControl.DesignTools
 			var rebuildable = item as IRebuildable;
 			var propertyGridModifier = item as IPropertyGridModifier;
 
-			var editableProperties = this.item.GetType().GetProperties(OwnedPropertiesOnly)
-				.Where(pi => (allowedTypes.Contains(pi.PropertyType) || pi.PropertyType.IsEnum)
-					&& pi.GetGetMethod() != null
-					&& pi.GetSetMethod() != null)
-				.Select(p => new
-				{
-					Value = p.GetGetMethod().Invoke(this.item, null),
-					DisplayName = GetDisplayName(p),
-					Description = GetDescription(p),
-					PropertyType = p.PropertyType,
-					PropertyInfo = p
-				});
+			var editableProperties = GetEditablePropreties(item);
 
 			AddWebPageLinkIfRequired(editControlsContainer, theme);
 			AddUnlockLinkIfRequired(editControlsContainer, theme);
@@ -453,16 +467,16 @@ namespace MatterHackers.MatterControl.DesignTools
 					editControlsContainer.AddChild(rowContainer);
 				}
 				// create an enum editor
-				else if (property.PropertyType.IsEnum)
+				else if (property.ptype.IsEnum)
 				{
 					rowContainer = CreateEnumEditor(rebuildable,
-							property.PropertyInfo, property.PropertyType, property.Value, property.DisplayName,
+							property.PropertyInfo, property.ptype, property.Value, property.DisplayName,
 							theme, undoBuffer);
 					editControlsContainer.AddChild(rowContainer);
 				}
 				// Use known IObject3D editors
 				else if (property.Value is IObject3D object3D
-					&& ApplicationController.Instance.GetEditorsForType(property.PropertyType)?.FirstOrDefault() is IObject3DEditor editor)
+					&& ApplicationController.Instance.GetEditorsForType(property.ptype)?.FirstOrDefault() is IObject3DEditor editor)
 				{
 					rowContainer = editor.Create( object3D, view3DWidget, theme);
 					editControlsContainer.AddChild(rowContainer);

MatterControl.csproj

@@ -105,6 +105,7 @@
     <Compile Include="DesignTools\Operations\FitToBounds3D.cs" />
     <Compile Include="DesignTools\Operations\Object3DExtensions.cs" />
     <Compile Include="DesignTools\Operations\Package3D.cs" />
+    <Compile Include="DesignTools\Operations\PinchEditor.cs" />
     <Compile Include="DesignTools\Operations\Rotate.cs" />
     <Compile Include="DesignTools\Operations\Scale.cs" />
     <Compile Include="DesignTools\Operations\SmoothPath.cs" />

PartPreviewWindow/View3D/Actions/MeshWrapperObject3D.cs

@@ -86,18 +86,31 @@ namespace MatterHackers.MatterControl.PartPreviewWindow.View3D
 			base.Bake();
 		}
 
-		public static void WrapSelection(MeshWrapperObject3D meshWrapper,  InteractiveScene scene)
+		public static void WrapSelection(MeshWrapperObject3D meshWrapper, InteractiveScene scene)
 		{
-			if (scene.HasSelection && scene.SelectedItem.Children.Count() > 1)
+			if (scene.HasSelection)
 			{
-				var children = scene.SelectedItem.Children;
+				var selectedItem = scene.SelectedItem;
 				scene.SelectedItem = null;
 
-				meshWrapper.WrapAndAddAsChildren(new List<IObject3D>(children.Select((i) => i.Clone())));
+				List<IObject3D> originalItems;
+
+				if (selectedItem.Children.Count() > 1)
+				{
+					originalItems = selectedItem.Children.ToList();
+
+				}
+				else
+				{
+					originalItems = new List<IObject3D> { selectedItem.Clone() };
+				}
+
+				var itemsToAdd = new List<IObject3D>(originalItems.Select((i) => i.Clone()));
+				meshWrapper.WrapAndAddAsChildren(itemsToAdd);
 
 				scene.UndoBuffer.AddAndDo(
 					new ReplaceCommand(
-						new List<IObject3D>(children),
+						new List<IObject3D>(originalItems),
 						new List<IObject3D> { meshWrapper }));
 
 				meshWrapper.MakeNameNonColliding();

Submodules/MatterSlice

@@ -1 +1 @@
-Subproject commit 58899e2087aefac4fe3ea0a480288f37cedb4c74
+Subproject commit ab428fa57ac66a7030b6bb15106ad55ee26c63d9