detailed instructions how to install lpd and zpl printer on Windows

[Printer-Zebra.git] / pbm2ZPL.pl

diff --git a/pbm2ZPL.pl b/pbm2ZPL.pl
index 5c095af..2556f26 100755 (executable)
--- a/pbm2ZPL.pl
+++ b/pbm2ZPL.pl
@@ -6,19 +6,53 @@ use Data::Dump qw(dump);
 
 # DG compression is documented in ZPL II Programming Guide Volume Two, page 71-72
 
+my $darkness = $ENV{DARKNESS} || 0;
 my $compress = $ENV{COMPRESS} || 1;
 
-my $pnm_file = shift @ARGV || die "usage: $0 print.pnm";
+my $pnm_file = shift @ARGV || die "usage: $0 print.pnm > print.zpl\n";
 
 open(my $fh, '<', $pnm_file);
-my $p4 = <$fh>; chomp $p4;
-die "no P4 header in [$p4] from $pnm_file" unless $p4 eq 'P4';
-my $size = <$fh>; chomp $size;
-my $size = <$fh>; chomp $size if $size =~ m/^#/;
-my ( $w, $h ) = split(/ /,$size,$2);
+my $magic = <$fh>; chomp $magic;
+my $size = <$fh>;
+while ( $size =~ m/^#/ ) { $size = <$fh> }; # skip comments
+chomp $size;
+my ( $w, $h ) = split(/ /,$size,2);
 warn "WARNING: width of $pnm_file not 832 but $w !\n" if $w != 832;
-local $/ = undef;
-my $bitmap = <$fh>;
+
+my $bitmap;
+
+if ( $magic eq 'P4' ) {
+       local $/ = undef;
+       $bitmap = <$fh>;
+} elsif ( $magic eq 'P6' ) {
+       my $max_color = <$fh>; chomp $max_color;
+
+       my $trashold = $max_color / 2;
+
+       local $/ = undef;
+       my $rgb = <$fh>;
+
+       my $mask = 0x80;
+       my $byte = 0;
+
+       my $o = 0;
+       while ( $o < length($rgb) ) {
+               my $px = ord(substr($rgb,$o,1)); $o += 3;
+               $byte ^= $mask if $px < $trashold;
+               $mask >>= 1;
+               if ( ! $mask ) {
+                       $bitmap .= chr($byte);
+                       $byte = 0;
+                       $mask = 0x80;
+               }
+       }
+
+       warn dump $bitmap;
+
+} else {
+       die "$pnm_file magick $magic not supported\n";
+}
+
 
 
 print '^XA';
@@ -32,11 +66,11 @@ print '^PMN'; # print mirror Y/N
 print '^LH0,0'; # label home x,y
 print '^JMA'; # dots/mm A = 24/12/8/6 B = 12/6/4/3
 print '^PR4,4'; # print,slew,backfeed speed in inch/s 2 .. 12 [default: 2,6,2]
-print '^MD13'; # media darkness -30 .. 30 / XiIIIPlus 0..30/0.1 increments
+printf '^MD%d', $darkness ; # media darkness -30 .. 30 / XiIIIPlus 0..30/0.1 increments
 print '^JUS'; # configuration update F = factory default R = recall S = save
 print '^LRN'; # label reverse Y/N
 print '^CI0'; # change international font 0..255
-print '^XZ'; 
+print "^XZ\r\n";
 
 printf "~DG000.GRF,%d,%d,\r\n", $w / 8 * $h, $w / 8;
 
@@ -65,11 +99,12 @@ sub zpl_compress {
 foreach my $y ( 0 .. $h - 1 ) {
        my $line = substr( $bitmap, $y * ( $w / 8 ), $w / 8 );
        if ( $line eq $last_line ) {
-               print ":" && warn "# $y repeat previous line\n";
+               print ':';
+               warn "# $y repeat previous line\n";
        } else {
                my $hex = unpack('H*', $line);
                if ( $compress ) {
-#                      $last_line = $line;
+                       $last_line = $line;
                        $hex =~ s/0+$/,/  && warn "# $y fill 0 to right\n";
                        $hex =~ s/F+$/!/i && warn "# $y fill 1 to right\n";
                        $hex =~ s/((.)\2+)/zpl_compress($1)/egs;
@@ -86,9 +121,9 @@ print '^LS0'; # label shift -9999..9999
 printf '^FT%d,%d', 0, $h; # field typeset x,y graphic origin is bottom-left
 print '^XG000.GRF,1,1^FS'; # recall grapmic source/name,magnification_x,magnification_y
 print '^PQ1,0,1,Y'; # print quantity total,pause/cut,replicates,no_pause
-print '^XZ';
+print "^XZ\r\n";
 
 print '^XA';
 print '^ID000.GRF^FS'; # object delete
-print '^XZ';
+print "^XZ\r\n";