Border image configurator class.
The insets at which to place the border relative to the region. A null value results in Insets.EMPTY.
The repeat value for the border image in the x and y direction. If null, defaults to BorderRepeat.STRETCH.
The repeat value for the border image in the x direction. If null, defaults to BorderRepeat.STRETCH.
The repeat value for the border image in the y direction. If null, defaults to the same value as repeatX.
The slices for the image. If null, defaults to BorderWidths.DEFAULT.
The widths of the border in each dimension. A null value results in BorderWidths.EMPTY.
Return border image based on current configuration.