/// <summary>
/// Creates and pushes a D2D layer if necessary. Returns the layer or null if not required.
/// </summary>
/// <param name="element">The element.</param>
/// <param name="renderTarget">The render target.</param>
/// <param name="rootElement"></param>
/// <returns></returns>
public static D2D.Layer CreateAndPushLayerIfNecessary(this Jupiter.FrameworkElement element, D2D.RenderTarget renderTarget, Jupiter.FrameworkElement rootElement)
{
if (element.Opacity >= 1)
//element.Clip == null &&
//element.RenderTransform == null)
{
return(null);
}
var layer = new D2D.Layer(renderTarget);
var layerParameters = new D2D.LayerParameters();
layerParameters.Opacity = (float)element.Opacity;
layerParameters.ContentBounds = element.GetBoundingRect(rootElement).ToSharpDX();
renderTarget.PushLayer(ref layerParameters, layer);
return(layer);
}
