BarCellRenderer displays the value of the data cell and the percentage of the minimum and maximum range of the renderer with a rectangular bar starting from origin. If maximum is below minimum, this bar will not be drawn.
In the example below, BarCellRenderer.origin of "Unit Price" column is "left", and origin of "Quantity" column is "right". The bar is drawn with the background color specified through GridStyles.shapeColor and the border specified through GridStyles.shapeBorder. The width of the bar is drawn through GridStyles.shapeSize.