Got mirror working as a source object

MatterControlLib/ApplicationView/ApplicationController.cs

@@ -786,12 +786,13 @@ namespace MatterHackers.MatterControl
 					{
 						var scene = sceneContext.Scene;
 						var selectedItem = scene.SelectedItem;
-						scene.SelectedItem = null;
+						using (new SelectionMaintainer(scene))
+						{
 							var fit = FitToBoundsObject3D_2.Create(selectedItem.Clone());
 							fit.MakeNameNonColliding();
 
 							scene.UndoBuffer.AddAndDo(new ReplaceCommand(new[] { selectedItem }, new[] { fit }));
-						scene.SelectedItem = fit;
+						}
 					},
 					Icon = AggContext.StaticData.LoadIcon("fit.png", 16, 16, theme.InvertIcons),
 					IsEnabled = (scene) => scene.SelectedItem != null && !(scene.SelectedItem is SelectionGroupObject3D),
@@ -1149,11 +1150,11 @@ namespace MatterHackers.MatterControl
 					ResultType = typeof(TranslateObject3D),
 					Operation = (sceneItem, scene) =>
 					{
-						var selectedItem = scene.SelectedItem;
-						scene.SelectedItem = null;
+						using (new SelectionMaintainer(scene))
+						{
 							var scale = new TranslateObject3D();
-						scale.WrapItem(selectedItem, scene.UndoBuffer);
-						scene.SelectedItem = scale;
+							scale.WrapItem(sceneItem, scene.UndoBuffer);
+						}
 
 						return Task.CompletedTask;
 					},
@@ -1169,11 +1170,11 @@ namespace MatterHackers.MatterControl
 					ResultType = typeof(RotateObject3D_2),
 					Operation = (sceneItem, scene) =>
 					{
-						var selectedItem = scene.SelectedItem;
-						scene.SelectedItem = null;
+						using (new SelectionMaintainer(scene))
+						{
 							var rotate = new RotateObject3D_2();
-						rotate.WrapItem(selectedItem, scene.UndoBuffer);
-						scene.SelectedItem = rotate;
+							rotate.WrapItem(sceneItem, scene.UndoBuffer);
+						}
 
 						return Task.CompletedTask;
 					},
@@ -1261,10 +1262,10 @@ namespace MatterHackers.MatterControl
 					OperationID = "Mirror",
 					Title = "Mirror".Localize(),
 					MappedTypes = new List<Type> { typeof(IObject3D) },
-					ResultType = typeof(MirrorObject3D),
+					ResultType = typeof(MirrorObject3D_2),
 					Operation = (sceneItem, scene) =>
 					{
-						var mirror = new MirrorObject3D();
+						var mirror = new MirrorObject3D_2();
 						mirror.WrapSelectedItemAndSelect(scene);
 
 						return Task.CompletedTask;

MatterControlLib/DesignTools/Operations/CurveObject3D_2.cs

@@ -110,6 +110,7 @@ namespace MatterHackers.MatterControl.DesignTools
 		public override Task Rebuild()
 		{
 			this.DebugDepth("Rebuild");
+
 			bool propertyUpdated = Diameter == double.MinValue;
 			if (StartPercent < 0
 				|| StartPercent > 100)

MatterControlLib/DesignTools/Operations/MirrorObject3D_2.cs

@@ -0,0 +1,134 @@
+/*
+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.Threading;
+using System.Threading.Tasks;
+using MatterHackers.DataConverters3D;
+using MatterHackers.Localizations;
+using MatterHackers.MatterControl.DesignTools.Operations;
+using MatterHackers.MatterControl.PartPreviewWindow.View3D;
+using MatterHackers.PolygonMesh;
+using MatterHackers.VectorMath;
+
+namespace MatterHackers.MatterControl.DesignTools
+{
+	public class MirrorObject3D_2 : OperationSourceContainerObject3D
+	{
+		public MirrorObject3D_2()
+		{
+			Name = "Mirror".Localize();
+		}
+
+		public enum MirrorAxis { X_Axis, Y_Axis, Z_Axis };
+
+		public MirrorAxis MirrorOn { get; set; } = MirrorAxis.X_Axis;
+
+		public override async void OnInvalidate(InvalidateArgs invalidateType)
+		{
+			if ((invalidateType.InvalidateType == InvalidateType.Content
+				|| invalidateType.InvalidateType == InvalidateType.Matrix
+				|| invalidateType.InvalidateType == InvalidateType.Mesh)
+				&& invalidateType.Source != this
+				&& !RebuildLocked)
+			{
+				await Rebuild();
+				invalidateType = new InvalidateArgs(this, InvalidateType.Content);
+			}
+			else if (invalidateType.InvalidateType == InvalidateType.Properties
+				&& invalidateType.Source == this)
+			{
+				await Rebuild();
+				invalidateType = new InvalidateArgs(this, InvalidateType.Content);
+			}
+
+			base.OnInvalidate(invalidateType);
+		}
+
+		public override Task Rebuild()
+		{
+			this.DebugDepth("Rebuild");
+
+			var rebuildLock = this.RebuildLock();
+
+			return ApplicationController.Instance.Tasks.Execute(
+				"Mirror".Localize(),
+				null,
+				(reporter, cancellationToken) =>
+				{
+					SourceContainer.Visible = true;
+					RemoveAllButSource();
+
+					var oldMatrix = this.Matrix;
+					this.Matrix = Matrix4X4.Identity;
+
+					var mirrorMatrix = Matrix4X4.Identity;
+					switch (MirrorOn)
+					{
+						case MirrorAxis.X_Axis:
+							mirrorMatrix = this.ApplyAtBoundsCenter(Matrix4X4.CreateScale(-1, 1, 1));
+							break;
+
+						case MirrorAxis.Y_Axis:
+							mirrorMatrix = this.ApplyAtBoundsCenter(Matrix4X4.CreateScale(1, -1, 1));
+							break;
+
+						case MirrorAxis.Z_Axis:
+							mirrorMatrix = this.ApplyAtBoundsCenter(Matrix4X4.CreateScale(1, 1, -1));
+							break;
+					}
+
+					foreach (var sourceItem in SourceContainer.VisibleMeshes())
+					{
+						var originalMesh = sourceItem.Mesh;
+						var transformedMesh = originalMesh.Copy(CancellationToken.None);
+
+						var sourceToThisMatrix = sourceItem.WorldMatrix(this);
+
+						// move it to us then mirror then move it back
+						transformedMesh.Transform(sourceToThisMatrix * mirrorMatrix * sourceToThisMatrix.Inverted);
+
+						transformedMesh.ReverseFaces();
+
+						var newMesh = new Object3D()
+						{
+							Mesh = transformedMesh
+						};
+						newMesh.CopyWorldProperties(sourceItem, this, Object3DPropertyFlags.All);
+						this.Children.Add(newMesh);
+					}
+
+					this.Matrix = oldMatrix;
+					SourceContainer.Visible = false;
+					rebuildLock.Dispose();
+					return Task.CompletedTask;
+				});
+		}
+	}
+}

MatterControlLib/DesignTools/Operations/OperationSourceObject3D.cs

@@ -208,11 +208,13 @@ namespace MatterHackers.MatterControl.DesignTools.Operations
 							new List<IObject3D> { this }));
 
 					await this.Rebuild();
+				}
+			}
 
 			// and select this
 			scene.SelectedItem = this;
-				}
-			}
+
+			this.Invalidate(new InvalidateArgs(this, InvalidateType.Content));
 		}
 	}
 

MatterControlLib/DesignTools/Primitives/TextObject3D.cs

@@ -110,9 +110,14 @@ namespace MatterHackers.MatterControl.DesignTools
 
 		public override Task Rebuild()
 		{
-			return Task.Run((System.Action)(() =>
-			{
-				using (RebuildLock())
+			this.DebugDepth("Rebuild");
+
+			var rebuildLock = RebuildLock();
+
+			return ApplicationController.Instance.Tasks.Execute(
+				"Mirror".Localize(),
+				null,
+				(reporter, cancellationToken) =>
 				{
 					var aabb = (this).GetAxisAlignedBoundingBox();
 
@@ -146,8 +151,10 @@ namespace MatterHackers.MatterControl.DesignTools
 						// If the part was already created and at a height, maintain the height.
 						PlatingHelper.PlaceMeshAtHeight(this, (double)aabb.MinXYZ.Z);
 					}
-				}
-			}));
+
+					rebuildLock.Dispose();
+					return Task.CompletedTask;
+				});
 		}
 	}
 }

Submodules/MatterSlice

@@ -1 +1 @@
-Subproject commit 6255d2b5e0e17930db124efa20473710ebd369f7
+Subproject commit 87ca9b3afa0fa4f0effe7eba4930c0497d2daaa0

Submodules/agg-sharp

@@ -1 +1 @@
-Subproject commit 045286c0b438e8af0fc102b53202bd8ca61d60a1
+Subproject commit 0b872ee19fd448a5f459982dcef5e7559405abfe