=0: The bars of the barcode are drawn in their default shape.
Attention: For average use we strongly recommend to use only bar shape "eBarShape_Default". Using another mode can endanger readability.
A change does make only sense for special applications like advertisements, fun barcodes, etc. that do not enforce the readability of the barcodes.
eBarShape_Rectangle
=1: The bars of the barcode are drawn as rectangles.
eBarShape_Ellipse
=2: The bars of the barcode are drawn as circles or ellipses.
eBarShape_BigEllipse
=3: The bars of the barcode are drawn as big circles or ellipses.
eBarShape_RoundedRectangle
=4: The bars of the barcode are drawn as rounded rectangles.