private static void TransformPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
CanvasShape cs = ((CanvasShape)d);
if (!cs.DisplayGeometry.IsFrozen)
{
cs.DisplayGeometry.Transform = cs.Transform;
}
}
private static object GeometryCoerceValueCallback(DependencyObject d, object baseValue)
{
CanvasShape cs = ((CanvasShape)d);
if (baseValue == null)
{
cs.creatingNewShape = true;
return(null);
}
cs.creatingNewShape = false;
return(baseValue);
}
private void CanvasShape_PreviewMouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
if (leftClickingOnShape)
{
CanvasShape canvasShape = (CanvasShape)sender;
CollectionViewSource.GetDefaultView(Layers).MoveCurrentTo(canvasShape.Layer);
CollectionViewSource.GetDefaultView(canvasShape.Layer.Shapes).MoveCurrentTo(canvasShape.DataContext);
Deselect();
selectedShapes.Add(canvasShape);
PlaceThumbs(canvasShape.DisplayGeometry);
}
leftClickingOnShape = false;
}
private static void GeometryPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
if (e.NewValue == null)
{
return;
}
CanvasShape cs = ((CanvasShape)d);
if (!cs.isCommiting)
{
cs.geoPathGeometry = pathGeometryWriter.ToShape(e.NewValue as IGeometry) as PathGeometry;
cs.path.Data = cs.DisplayGeometry = cs.geoPathGeometry.Clone();
cs.RebuildShape();
}
}