#!/usr/bin/perl
use warnings;
use strict;
+use autodie;
-# 5166 px = 1000 dpi
+# sudo apt-get install librsvg2-bin netpbm
-my $w = 832;
+my $size = $ENV{SIZE} || '105x40';
+my $width = $ENV{WIDTH} || 832;
-my $density = $w / 5166 * 1000;
-warn "# density = $density\n";
+my $args = join(' ', @ARGV);
+die "usage: $0 1301272944 callnumber > label.pbm\n" unless $args;
-my $from = shift @ARGV || die "usage: $0 template.svg\n";
+my ( $barcode, $call1, $call2, $call3, $call4 ) = split(/\s+/, $args, 5);
-system "convert -density $density $from $from.pbm";
+open(my $from, '<', "templates/$size.svg");
+open(my $to, '|-', "rsvg-convert --width=$width --format=png --background-color=white | pngtopnm | pnmdepth 2");
+while(<$from>) {
+ no warnings 'uninitialized';
+ s/1301272944/$barcode/gs && warn "# barcode $barcode\n";
+ s/##call1##/$call1/gs && warn "# 1: $call1\n";
+ s/##call2##/$call2/gs && warn "# 2: $call2\n";
+ s/##call3##/$call3/gs && warn "# 3: $call3\n";
+ s/##call4##/$call4/gs && warn "# 4: $call4\n";
+ print $to $_;
+}
+close($from);
+close($to);