private void ReleaseClippingPath(SceneElement sceneElement, SceneEditTransaction editTransaction)
{
if (sceneElement.IsSet(Base2DElement.ClipProperty) != PropertyState.Set)
{
return;
}
SceneNode sceneNode = (SceneNode)sceneElement;
for (SceneNode parent = sceneElement.Parent; parent != null; parent = parent.Parent)
{
PanelElement panelElement = parent as PanelElement;
if (panelElement != null)
{
MatrixTransform matrixTransform = new MatrixTransform(sceneElement.GetComputedTransformToElement((SceneElement)panelElement));
PathGeometry pathGeometry1 = new PathGeometry();
System.Windows.Media.Geometry geometry = (System.Windows.Media.Geometry)sceneElement.GetLocalOrDefaultValueAsWpf(Base2DElement.ClipProperty);
if (geometry != null)
{
pathGeometry1 = PathGeometryUtilities.TransformGeometry(geometry, (Transform)matrixTransform);
}
PathElement pathElement = (PathElement)this.SceneViewModel.CreateSceneNode(PlatformTypes.Path);
using (pathElement.ViewModel.ForceBaseValue())
{
this.DesignerContext.AmbientPropertyManager.ApplyAmbientProperties((SceneNode)pathElement);
pathElement.SetValueAsWpf(ShapeElement.StrokeProperty, (object)Brushes.Black);
pathElement.ClearValue(ShapeElement.FillProperty);
pathElement.ClearValue(ShapeElement.StrokeThicknessProperty);
panelElement.Children.Insert(panelElement.Children.IndexOf(sceneNode) + 1, (SceneNode)pathElement);
ReferenceStep singleStep1 = (ReferenceStep)pathElement.ProjectContext.ResolveProperty(Base2DElement.ClipProperty);
ReferenceStep singleStep2 = (ReferenceStep)pathElement.ProjectContext.ResolveProperty(PathElement.DataProperty);
PathCommandHelper.MoveVertexAnimations(sceneElement, new PropertyReference(singleStep1), (SceneElement)pathElement, new PropertyReference(singleStep2), (Transform)matrixTransform);
Rect bounds = PathCommandHelper.InflateRectByStrokeWidth(pathGeometry1.Bounds, pathElement, false);
Rect maxAnimatedExtent = PathCommandHelper.FindMaxAnimatedExtent((SceneElement)pathElement, bounds, new PropertyReference(singleStep2));
editTransaction.Update();
Vector vector = new Vector(-maxAnimatedExtent.Left, -maxAnimatedExtent.Top);
panelElement.LayoutDesigner.SetChildRect((BaseFrameworkElement)pathElement, maxAnimatedExtent);
Transform transform = (Transform) new TranslateTransform(vector.X, vector.Y);
PathGeometry pathGeometry2 = PathGeometryUtilities.TransformGeometry((System.Windows.Media.Geometry)pathGeometry1, transform);
pathElement.PathGeometry = pathGeometry2;
PathCommandHelper.TransformPointKeyframes((SceneElement)pathElement, new PropertyReference(singleStep2), transform);
pathElement.SetValueAsWpf(ShapeElement.StretchProperty, (object)(Stretch)(pathElement.HasVertexAnimations ? 0 : 1));
break;
}
}
else
{
sceneNode = parent;
}
}
}
public override void Execute()
{
AnimationEditor animationEditor = this.SceneViewModel.AnimationEditor;
SceneElement pathTarget = this.GetPathTarget(this.SceneViewModel.ElementSelectionSet);
BaseFrameworkElement frameworkElement = (BaseFrameworkElement)this.GetAnimationTarget(this.SceneViewModel.ElementSelectionSet);
if (frameworkElement == null)
{
SceneElement root = this.SceneViewModel.ActiveEditingContainer as SceneElement;
if (root != null)
{
frameworkElement = PathTargetDialog.ChooseMotionPathTarget(root, pathTarget);
}
}
if (frameworkElement == null)
{
return;
}
PathGeometry geometry = PathConversionHelper.ConvertToPathGeometry(pathTarget);
if (PathGeometryUtilities.TotalSegmentCount(geometry) == 0)
{
this.DesignerContext.MessageDisplayService.ShowError(StringTable.ConvertToMotionPathNoSegmentsMessage);
}
else
{
using (SceneEditTransaction editTransaction = this.SceneViewModel.CreateEditTransaction(StringTable.ConvertToMotionPathUndo, false))
{
StoryboardTimelineSceneNode targetTimeline = this.GetTargetTimeline();
if (targetTimeline == null)
{
this.SceneViewModel.AnimationEditor.CreateNewTimeline(TriggerCreateBehavior.Default);
}
else if (targetTimeline != this.SceneViewModel.ActiveStoryboardTimeline)
{
this.SceneViewModel.SetActiveStoryboardTimeline(targetTimeline.StoryboardContainer, targetTimeline, (TriggerBaseNode)null);
}
this.SceneViewModel.ElementSelectionSet.Clear();
Point elementCoordinates = frameworkElement.RenderTransformOriginInElementCoordinates;
Matrix matrix = new TranslateTransform(-elementCoordinates.X, -elementCoordinates.Y).Value;
Transform transform = (Transform) new MatrixTransform(pathTarget.GetComputedTransformToElement((SceneElement)frameworkElement) * frameworkElement.GetEffectiveRenderTransform(false) * matrix);
PathGeometry path = PathGeometryUtilities.TransformGeometry((System.Windows.Media.Geometry)geometry, transform);
double animationTime = animationEditor.AnimationTime;
animationEditor.SetMotionPath((SceneElement)frameworkElement, path, new double?(animationTime), new double?(animationTime + 2.0));
this.SceneViewModel.ElementSelectionSet.SetSelection((SceneElement)frameworkElement);
editTransaction.Commit();
}
}
}
private Transform GetGeometryTransform(SceneElement clipper, SceneElement elementToBeClipped)
{
Transform identity = Transform.Identity;
return(elementToBeClipped == null?clipper.GetComputedValueAsWpf(Base2DElement.RenderTransformProperty) as Transform : (Transform) new MatrixTransform(clipper.GetComputedTransformToElement(elementToBeClipped)));
}