framework/common/config/barcode/DefaultBarcode.xml
<?xml version="1.0"?>
<!--
This file is subject to the terms and conditions defined in the
files 'LICENSE' and 'NOTICE', which are part of this source
code package.
-->
<barcode>
<code39>
<height>15mm</height>
<module-width>0.45mm</module-width>
<wide-factor>2</wide-factor>
<interchar-gap-width>1mm</interchar-gap-width>
<checksum>add</checksum>
</code39>
</barcode>