The documentation is a little sparse, but after a
bit of digging through the sources, I've managed to come up
with something that at least looks like a barcode... :)
You probably want to play with the parameters. Good luck!
my $pdf = PDF::API2->new();
my $page = $pdf->page();
my $gfx = $page->gfx();
my $barcode = $pdf->xo_ean13( # EAN-13 type
-code => "0123456789012", # message
-zone => 20, # size of bars
-umzn => 25, # upper "mending zone"
-lmzn => 15, # lower "mending zone"
#-quzn => 0, # quiet zone
#-ofwt => 0.5, # overflow width
-font => $pdf->corefont('Helvetica'),
-fnsz => 12, # font size
#-ext => 1, # extended character set
#-extn => '...', # barcode extension
#-text => '', # alternative text
$gfx->formimage($barcode, 250, 400, 1);
# x y size (scaling)
(other available types are codabar, code128,
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