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Inventory Interface supports printing the following barcodes:

code 3 of 9

interleaved 2 of 5

upc a

upc e

code 128


To print any of the above barcodes requires a single call to the bc_print() function. The bc_print function is configurable via the parameters that are passed to it and the style defaults that establish the format of the barcode. The following is a description of the syntax to use bc_print().


~bc_print(<row>, <col>, <message>, <type>, <characters_per_inch>, <height>, <printer_type>, <printer_lines_per_inch>)~

<row>=numeric value

laser: placement of barcode in inches from the top of page

dot matrix: placement of barcode by row number.

<col>=Numeric value

laser: Placement of barcode in inches from the left side of page

dot matrix: Placement of barcode by column.

<message>=String: Information to be encoded

<type>=Barcode type: "CODE39", "INTERLEAVED25", "UPC_A", "UPC_E", "CODE128", "POSTNET"

<characters_per_inch>=numeric value:

CODE39 & INTERLEAVED25 - number of barcode characters to print per inch. Defaults to 5.0 inches.

UPC A & E - Overall width of entire barcode. Defaults to 4.0 inches.

<height>=numeric value:

Laser: height of barcode in inches. Defaults to 0.5, except for POSTNET which defaults to 0.135 inches.

Dot Matrix: Number of Rows for the barcode to use. Defaults to 4 except for POSTNET with defaults to 1.

<printer_type>="HPLASER", "POSTSCRIPT", "EPSON", "IBMPRO"

<printer_lines_per_inch>=numeric value:

Laser: Not Used

Dot Matrix: Number of lines per inch the dot matrix printer is in. Used to calculate the height of the barcode. Default is 6 lines per inch.

Inventory Interface is a trademark of Gerald Drouillard.  All other products mentioned are registered trademarks or trademarks of their respective companies.
Questions or problems regarding this web site should be directed to
Copyright 2001 Gerald Drouillard. All rights reserved.
Last modified: Friday December 28, 2001.