public RectangleDefinition(RectangleF rectangle, CornersDefinition corners = null, Stream image = null, bool cutout = false)
 {
     Corners   = corners ?? CornersDefinition.Default;
     Rectangle = rectangle;
     Cutout    = cutout;
     Image     = image;
 }
 public RectangleDefinition(float left, float top, float width, float height, CornersDefinition corners = null,
                            Stream image = null, bool cutout = false) : this(new RectangleF(left, top, width, height), corners, image, cutout)
 {
 }