PolyLine/gon Handler fixes, Path Handler worked on

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Project/Controls/DragListener.cs

@@ -81,6 +81,8 @@ namespace ICSharpCode.WpfDesign.Designer.Controls
 			DeltaDelta = new Vector();
 			IsDown = true;
 			IsCanceled = false;
+			if (MouseDown != null)
+				MouseDown(this);
 		}
 
 		void Target_MouseMove(object sender, MouseEventArgs e)
@@ -125,6 +127,7 @@ namespace ICSharpCode.WpfDesign.Designer.Controls
 			}
 		}
 
+		public event DragHandler MouseDown;
 		public event DragHandler Started;
 		public event DragHandler Changed;
 		public event DragHandler Completed;

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Project/Extensions/PathHandlerExtension.cs

@@ -59,6 +59,7 @@ namespace ICSharpCode.WpfDesign.Designer.Extensions
 
 			WeakEventManager<ResizeThumb, MouseButtonEventArgs>.AddHandler(resizeThumb, "PreviewMouseLeftButtonDown", ResizeThumbOnMouseLeftButtonUp);
 
+			drag.MouseDown += drag_MouseDown;
 			drag.Started += drag_Started;
 			drag.Changed += drag_Changed;
 			drag.Completed += drag_Completed;
@@ -131,6 +132,11 @@ namespace ICSharpCode.WpfDesign.Designer.Extensions
 			}
 		}
 
+		protected void drag_MouseDown(DragListener drag)
+		{
+			
+		}
+		
 		// TODO : Remove all hide/show extensions from here.
 		protected void drag_Started(DragListener drag)
 		{
@@ -222,12 +228,9 @@ namespace ICSharpCode.WpfDesign.Designer.Extensions
 
 				Double theta;
 				//if one point selected snapping angle is calculated in relation to previous point
-				if (_selectedThumbs.Count == 1)
-				{
+				if (_selectedThumbs.Count == 1 && mprt.Index > 0) {
 					theta = (180 / Math.PI) * Math.Atan2(_selectedThumbs[mprt.Index].Y + dy - points[mprt.Index - 1].Y, _selectedThumbs[mprt.Index].X + dx - points[mprt.Index - 1].X);
-				}
-				else//if multiple points snapping angle is calculated in relation to mouse dragging angle
-				{
+				} else { //if multiple points snapping angle is calculated in relation to mouse dragging angle
 					theta = (180 / Math.PI) * Math.Atan2(dy, dx);
 				}
 
@@ -316,7 +319,7 @@ namespace ICSharpCode.WpfDesign.Designer.Extensions
 			var points = GetPoints();
 
 			resizeThumbs = new List<ResizeThumb>();
-			for (int i = 1; i < points.Count; i++)
+			for (int i = 0; i < points.Count; i++)
 			{
 				CreateThumb(PlacementAlignment.BottomRight, Cursors.Cross, i);
 			}
@@ -347,17 +350,23 @@ namespace ICSharpCode.WpfDesign.Designer.Extensions
 			if (geometry!=null) {
 				var figure = geometry.Figures[0] as PathFigure;
 				if (figure != null) {
+					retVal.Add(figure.StartPoint);
 					foreach (var s in figure.Segments) {
 						if (s is LineSegment)
 							retVal.Add(((LineSegment)s).Point);
 						else if (s is PolyLineSegment)
 							retVal.AddRange(((PolyLineSegment)s).Points);
-//						else if (s is BezierSegment)
-//							retVal.Add(((BezierSegment)s).Point3);
-//						else if (s is QuadraticBezierSegment)
-//							retVal.Add(((QuadraticBezierSegment)s).Point2);
-//						else if (s is ArcSegment)
-//							retVal.Add(((ArcSegment)s).Point);
+						else if (s is BezierSegment) {
+							retVal.Add(((BezierSegment)s).Point1);
+							retVal.Add(((BezierSegment)s).Point2);
+							retVal.Add(((BezierSegment)s).Point3);
+						}
+						else if (s is QuadraticBezierSegment) {
+							retVal.Add(((QuadraticBezierSegment)s).Point1);
+							retVal.Add(((QuadraticBezierSegment)s).Point2);
+						}
+						else if (s is ArcSegment)
+							retVal.Add(((ArcSegment)s).Point);
 					}
 				}
 			}

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Project/Extensions/PointTrackerPlacementSupport.cs

@@ -72,13 +72,10 @@ namespace ICSharpCode.WpfDesign.Designer.Extensions
 				var pg = shape as Polyline;
 				p = pg.Points[Index];
 			} else if (shape is Path) {
-				if (Index > 0)
-				{
 					var path = shape as Path;
 					var points = PathHandlerExtension.GetPoints(path);
 					p = points[Index];
 			}
-			}
 			
 			var transform = shape.RenderedGeometry.Transform;
 			p = transform.Transform(p);

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Project/Extensions/PolyLineHandlerExtension.cs

@@ -213,12 +213,9 @@ namespace ICSharpCode.WpfDesign.Designer.Extensions
 
 				Double theta;
 				//if one point selected snapping angle is calculated in relation to previous point
-				if (_selectedThumbs.Count == 1)
-				{
+				if (_selectedThumbs.Count == 1 && mprt.Index > 0) {
 					theta = (180 / Math.PI) * Math.Atan2(_selectedThumbs[mprt.Index].Y + dy - points[mprt.Index - 1].Y, _selectedThumbs[mprt.Index].X + dx - points[mprt.Index - 1].X);
-				}
-				else//if multiple points snapping angle is calculated in relation to mouse dragging angle
-				{
+				} else { //if multiple points snapping angle is calculated in relation to mouse dragging angle
 					theta = (180 / Math.PI) * Math.Atan2(dy, dx);
 				}
 
@@ -307,7 +304,7 @@ namespace ICSharpCode.WpfDesign.Designer.Extensions
 			PointCollection points = GetPointCollection();
 
 			resizeThumbs = new List<ResizeThumb>();
-			for (int i = 1; i < points.Count; i++)
+			for (int i = 0; i < points.Count; i++)
 			{
 				CreateThumb(PlacementAlignment.BottomRight, Cursors.Cross, i);
 			}

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Project/Extensions/ResizeThumbExtension.cs

@@ -150,10 +150,16 @@ namespace ICSharpCode.WpfDesign.Designer.Extensions
 			double dy = 0;
 			var alignment = (drag.Target as ResizeThumb).Alignment;
 			
-			if (alignment.Horizontal == HorizontalAlignment.Left) dx = -drag.Delta.X;
-			if (alignment.Horizontal == HorizontalAlignment.Right) dx = drag.Delta.X;
-			if (alignment.Vertical == VerticalAlignment.Top) dy = -drag.Delta.Y;
-			if (alignment.Vertical == VerticalAlignment.Bottom) dy = drag.Delta.Y;
+			var delta = drag.Delta;
+			
+			var transform = this.ExtendedItem.View.RenderTransform;
+			if (transform != null)
+				delta = (Vector)transform.Inverse.Transform((Point)delta);
+			
+			if (alignment.Horizontal == HorizontalAlignment.Left) dx = -delta.X;
+			if (alignment.Horizontal == HorizontalAlignment.Right) dx = delta.X;
+			if (alignment.Vertical == VerticalAlignment.Top) dy = -delta.Y;
+			if (alignment.Vertical == VerticalAlignment.Bottom) dy = delta.Y;
 			
 			var designPanel = ExtendedItem.Services.DesignPanel as DesignPanel;