Draws the outline of a rectangle, to this Image.
Draws the outline of a rectangle. The x/y location refers to either the top-left corner, or the middle, depending on if 'isCentred' is false or true. The 'width' and 'height' are the total size of the rectangle.
Draws a rectangle outline, but also provides x and y alignment options. See the article on How Alignment Works for more information.