Barcode fonts

The kit includes TrueType barcode fonts of 5 height/width ratios – with the UNAxxx fonts being the tall and thin variety and UNExxx being short and fat! The fonts are required for displaying or printing font-based barcodes created with the BarCodewF() calls.

Each font is supplied with full or correct width bars (the UNxWxx fonts -wide), and fonts in which the bar width is reduced by 8% (UnxRxx - regular), 16% (UnxNxx - narrow) and 24% (UnxTxx - thin). For most modern printers the wide fonts are suitable, while for older printers and those which have problems with fine lines, the regular fonts are recommended. The narrow and thin fonts are primarily intended for systems in which ink spreads.

The fonts are supplied in five height/width ratios; the narrowest being UNA and the widest being UNE. It is, of course, not necessary to install all the fonts if only a limited number of height/width ratios are required.

The ratios (for the narrowest bar) are:

UNA    50:1
UNB    33:1
UNC    25:1
UND    20:1
UNE    15:1
UNF    33:1 (Clocked codes only)

While most barcode can be printed at any size beyond a certain minimum, so have standard widths (such as the EAN and UPC retail codes) which should be followed.

The clocked codes (such as PostNet, RM4SCC, etc) are more critical, in that both the number of bars per inch and the height of the bars must be within certain limits. The characters for the clocked code are provided ONLY in the UNF fonts, and should be reproduced at the following sizes:

Australia Post 16-17 point
Korean PA 26-28 point
PostNet/Planet 18 point
RM4SCC 16-17 point

 

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API Reference