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 $magic = <$fh>; chomp $magic;
17 while ( $size =~ m/^#/ ) { $size = <$fh> }; # skip comments
19 my ( $w, $h ) = split(/ /,$size,2);
20 warn "WARNING: width of $pnm_file not 832 but $w !\n" if $w != 832;
24 if ( $magic eq 'P4' ) {
27 } elsif ( $magic eq 'P6' ) {
28 my $max_color = <$fh>; chomp $max_color;
30 my $trashold = $max_color / 2;
39 while ( $o < length($rgb) ) {
40 my $px = ord(substr($rgb,$o,1)); $o += 3;
41 $byte ^= $mask if $px < $trashold;
44 $bitmap .= chr($byte);
53 die "$pnm_file magick $magic not supported\n";
59 printf '~TA%03d', 0; # tear-off
60 print '~JSN'; # sensor detect N = normal, 90%
61 print '^LT18'; # label top -120 .. 120
62 print '^MNW'; # media tracking N = continuous Y/W = web sensing M = mark sensing
63 print '^MTD'; # media type T = termal D = direct (ribbon!)
64 print '^PON'; # print orientation N = normal I = invert
65 print '^PMN'; # print mirror Y/N
66 print '^LH0,0'; # label home x,y
67 print '^JMA'; # dots/mm A = 24/12/8/6 B = 12/6/4/3
68 print '^PR4,4'; # print,slew,backfeed speed in inch/s 2 .. 12 [default: 2,6,2]
69 printf '^MD%d', $darkness ; # media darkness -30 .. 30 / XiIIIPlus 0..30/0.1 increments
70 print '^JUS'; # configuration update F = factory default R = recall S = save
71 print '^LRN'; # label reverse Y/N
72 print '^CI0'; # change international font 0..255
75 printf "~DG000.GRF,%d,%d,\r\n", $w / 8 * $h, $w / 8;
81 my $repeat = length($compress);
83 while ( $repeat >= 400 ) {
87 if ( $repeat >= 20 ) {
88 $out .= chr( ord('f') + ( $repeat / 20 ) );
92 $out .= chr( ord('F') + $repeat );
94 $out .= substr($compress,0,1); # char
95 warn "## zpl_compress $repeat = $compress -> $out\n";
99 foreach my $y ( 0 .. $h - 1 ) {
100 my $line = substr( $bitmap, $y * ( $w / 8 ), $w / 8 );
101 if ( $line eq $last_line ) {
103 warn "# $y repeat previous line\n";
105 my $hex = unpack('H*', $line);
108 $hex =~ s/0+$/,/ && warn "# $y fill 0 to right\n";
109 $hex =~ s/F+$/!/i && warn "# $y fill 1 to right\n";
110 $hex =~ s/((.)\2+)/zpl_compress($1)/egs;
117 print '^MMT'; # print mode,prepeel T=tear-off P=peel-off R=rewind A=applicator C=cutter, Y/N
118 printf '^LL%d', $h; # label length FIXME ignore empty bottom
119 printf '^PW%d', $w; # print width
120 print '^LS0'; # label shift -9999..9999
121 printf '^FT%d,%d', 0, $h; # field typeset x,y graphic origin is bottom-left
122 print '^XG000.GRF,1,1^FS'; # recall grapmic source/name,magnification_x,magnification_y
123 print '^PQ1,0,1,Y'; # print quantity total,pause/cut,replicates,no_pause
127 print '^ID000.GRF^FS'; # object delete