public LayoutPathChildWrapper(FrameworkElement child, ChildAlignment alingment, Orientations orientation)
{
Content = child;
DefaultStyleKey = typeof(LayoutPathChildWrapper);
RenderTransform = Transform = new CompositeTransform();
Loaded += delegate
{
UpdateAlignment(alingment, orientation);
};
}
internal void UpdateAlignment(ChildAlignment alignment, Orientations orientation)
{
if (ALIGNMENT == null)
{
return;
}
var translate = ALIGNMENT.RenderTransform as TranslateTransform;
if (translate == null)
{
return;
}
if (alignment == ChildAlignment.Center)
{
translate.X = translate.Y = 0;
}
else
{
int flipValue = 1;
if (orientation == Orientations.ToPathReversed || orientation == Orientations.VerticalReversed)
{
flipValue = -1;
}
var child = (FrameworkElement)Content;
if (orientation == Orientations.ToPath || orientation == Orientations.ToPathReversed)
{
translate.X = 0;
if (alignment == ChildAlignment.Outer)
{
translate.Y = child.ActualHeight * flipValue * -1 / 2.0;
}
else
{
translate.Y = child.ActualHeight * flipValue / 2.0;
}
}
else
{
translate.Y = 0;
if (alignment == ChildAlignment.Outer)
{
translate.X = child.ActualWidth * flipValue * -1 / 2.0;
}
else
{
translate.X = child.ActualWidth * flipValue / 2.0;
}
}
}
}
public override void Reset()
{
gameObject = null;
childAlignment = ChildAlignment.UpperLeft;
everyFrame = false;
}
