private void AddAdorner(UIElement element)
{
var adornerLayer = AdornerLayer.GetAdornerLayer(element);
if (adornerLayer != null)
{
var adorner = new SizeAdorner(element);
adornerLayer.Add(adorner);
adorner.Visibility = Visibility.Visible;
}
}
private void DrawFeedback(Point pointBegin, Point pointEnd)
{
Rect rect = new Rect(pointBegin, pointEnd);
this.ToolBehaviorContext.SnappingEngine.UpdateTargetBounds(rect);
DrawingContext drawingContext = this.OpenFeedback();
Pen thinPen = FeedbackHelper.GetThinPen(this.ActiveView.Zoom);
System.Windows.Media.Geometry rectangleGeometry = Adorner.GetTransformedRectangleGeometry(this.ActiveView, this.ActiveSceneInsertionPoint.SceneElement, rect, thinPen.Thickness, false);
drawingContext.DrawGeometry((Brush)null, thinPen, rectangleGeometry);
if (!Adorner.NonAffineTransformInParentStack(this.ActiveSceneInsertionPoint.SceneElement))
{
Matrix computedTransformToRoot = this.ActiveView.GetComputedTransformToRoot(this.ActiveSceneInsertionPoint.SceneElement);
double scale = 1.0 / this.ActiveView.Zoom;
SizeAdorner.DrawDimension(drawingContext, ElementLayoutAdornerType.Right, computedTransformToRoot, computedTransformToRoot, thinPen, rect, scale);
SizeAdorner.DrawDimension(drawingContext, ElementLayoutAdornerType.Bottom, computedTransformToRoot, computedTransformToRoot, thinPen, rect, scale);
}
this.CloseFeedback();
}
