5 use Data::Dump qw(dump);
7 # DG compression is documented in ZPL II Programming Guide Volume Two, page 71-72
9 my $darkness = $ENV{DARKNESS} || 0;
10 my $compress = $ENV{COMPRESS} || 1;
12 my $pnm_file = shift @ARGV || die "usage: $0 print.pnm > print.zpl\n";
14 open(my $fh, '<', $pnm_file);
15 my $p4 = <$fh>; chomp $p4;
16 die "no P4 header in [$p4] from $pnm_file" unless $p4 eq 'P4';
18 while ( $size =~ m/^#/ ) { $size = <$fh> }; # skip comments
20 my ( $w, $h ) = split(/ /,$size,$2);
21 warn "WARNING: width of $pnm_file not 832 but $w !\n" if $w != 832;
27 printf '~TA%03d', 0; # tear-off
28 print '~JSN'; # sensor detect N = normal, 90%
29 print '^LT18'; # label top -120 .. 120
30 print '^MNW'; # media tracking N = continuous Y/W = web sensing M = mark sensing
31 print '^MTD'; # media type T = termal D = direct (ribbon!)
32 print '^PON'; # print orientation N = normal I = invert
33 print '^PMN'; # print mirror Y/N
34 print '^LH0,0'; # label home x,y
35 print '^JMA'; # dots/mm A = 24/12/8/6 B = 12/6/4/3
36 print '^PR4,4'; # print,slew,backfeed speed in inch/s 2 .. 12 [default: 2,6,2]
37 printf '^MD%d', $darkness ; # media darkness -30 .. 30 / XiIIIPlus 0..30/0.1 increments
38 print '^JUS'; # configuration update F = factory default R = recall S = save
39 print '^LRN'; # label reverse Y/N
40 print '^CI0'; # change international font 0..255
43 printf "~DG000.GRF,%d,%d,\r\n", $w / 8 * $h, $w / 8;
49 my $repeat = length($compress);
51 while ( $repeat >= 400 ) {
55 if ( $repeat >= 20 ) {
56 $out .= chr( ord('f') + ( $repeat / 20 ) );
60 $out .= chr( ord('F') + $repeat );
62 $out .= substr($compress,0,1); # char
63 warn "## zpl_compress $repeat = $compress -> $out\n";
67 foreach my $y ( 0 .. $h - 1 ) {
68 my $line = substr( $bitmap, $y * ( $w / 8 ), $w / 8 );
69 if ( $line eq $last_line ) {
71 warn "# $y repeat previous line\n";
73 my $hex = unpack('H*', $line);
76 $hex =~ s/0+$/,/ && warn "# $y fill 0 to right\n";
77 $hex =~ s/F+$/!/i && warn "# $y fill 1 to right\n";
78 $hex =~ s/((.)\2+)/zpl_compress($1)/egs;
85 print '^MMT'; # print mode,prepeel T=tear-off P=peel-off R=rewind A=applicator C=cutter, Y/N
86 printf '^LL%d', $h; # label length FIXME ignore empty bottom
87 printf '^PW%d', $w; # print width
88 print '^LS0'; # label shift -9999..9999
89 printf '^FT%d,%d', 0, $h; # field typeset x,y graphic origin is bottom-left
90 print '^XG000.GRF,1,1^FS'; # recall grapmic source/name,magnification_x,magnification_y
91 print '^PQ1,0,1,Y'; # print quantity total,pause/cut,replicates,no_pause
95 print '^ID000.GRF^FS'; # object delete