Arguments for one-dimensional bar codes
76
How to use the symbology ID for ISBN and ISSN
ISBN and ISSN bar codes are normally 10 digits in length (see the PCL5 section above for a
complete description), but they have “extensions” known as ISSN+2, ISSN+5, and ISBN+5.
Obtaining these variants is not done by adding a “-5” or “-2” to the end of the Symbology ID, but by
adding 2 or 5 more characters to the string that defines the bar code. For example, an ISSN+5 bar
code would be defined in PostScript as follows:
%!PS
%
/Courier findfont
12 scalefont
200 400 moveto
(012345678934567)
<< /Symbology /ISSN >> barcodeshow
showpage
/CG-Times-BoldItalic bold italic
/OCR-B only one style
/FontName Font attribute for HRT
Example: /FontName /Courier
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