THPDFBarLineType Type

Describes the ink and height of a single bar element within a generated barcode pattern

Declaration

THPDFBarLineType= (white, black, black_half);

HPDFBarcode

Value	Meaning
`white`	An unfilled bar, rendered as a gap between inked bars
`black`	A filled bar at full height
`black_half`	A filled bar at half height, used for the short bars of POSTNET

Barcode pattern builders map each module of the symbol to one of these values
Drawing regards white as unfilled, black as full-height ink and black_half as short ink marked with the Short flag of the bar record