BoxDiagrams.DiagramGestureAnalyzer.AnalyzeGesture C# (CSharp) Метод

		protected override void AnalyzeGesture(Util.WinForms.DragState state_, bool mouseUp)
		{
			// TODO: Analyze on separate thread and maybe even draw on a separate thread.
			//       Otherwise, on slow computers, mouse input may be missed or laggy due to drawing/analysis
			DragState state = (DragState)state_;
			var adorners = Control.DragAdornerShapes;
			adorners.Clear();
			Shape newShape = null;
			IEnumerable<Shape> eraseSet = null;

			if (state.IsDrag)
			{
				if (state.ClickedShape != null && state.ClickedShape.AllowsDrag)
					HandleShapeDrag(state);
				else
				{
					List<PointT> simplified;
					bool cancel;
					eraseSet = RecognizeScribbleForEraseOrCancel(state, out cancel, out simplified);
					if (eraseSet != null)
					{
						ShowEraseDuringDrag(state, adorners, eraseSet, simplified, cancel);
					}
					else
					{
						bool potentialSelection = false;
						newShape = DetectNewShapeDuringDrag(state, adorners, out potentialSelection);
						if (potentialSelection)
						{
							var selecting = ShapesInside(newShape.BBox).ToList();
							if (selecting.Count != 0)
								newShape.Style = SelectorBoxStyle;
						}
					}
				}
			}

			if (mouseUp)
			{
				adorners.Clear();
				HandleMouseUp(state, newShape, eraseSet);
			}
			else if (newShape != null)
			{
				newShape.AddLLShapesTo(adorners);
				newShape.Dispose();
			}

			Control.DragAdornersChanged();
		}