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#!/usr/local/bin/perl
######################################################################
# Perl font split impose
#
# Copyright (C) 1999 Dov Grobgeld <dov@imagic.weizmann.ac.il>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# For more details see the file COPYING.
######################################################################
# Get options
while($_ = $ARGV[0], /^-/) {
shift;
/^-lastbbox/ and do { $lastbbox="-lastbbox"; next; };
/^-lpi/ and do { $lpi = shift; next; };
/^-impose_options/ and do { $impose_options = shift; next; };
/^-max(_pages)?/ and do { $max_pages_per_signature = shift; next; };
/^-help/ and print<<HELP and exit;
psbl -- A program for automatic booklet formatting of postscript files
SYNTAX:
psbl [-lastbbox] [-lpi] [-impose_options io] [-max_pages mp]
postscript.file
SEEALSO:
impose
HELP
die "Unknown option $_!\n";
}
$lpi = 80 unless $lpi;
# Defaults
$max_pages_per_signature = 60 unless $max_pages_per_signature;
# Get the name of the orginial file
$psname = shift || die "Need name of ps file!\n";
# Get number of pages in file
$pages = get_num_pages($psname);
# Split it nicely
$num_signatures = int($pages/$max_pages_per_signature + 0.9999999);
$q_per_signature = int($pages/4/$num_signatures+0.999);
print "num_signatures = $num_signatures\n";
print "q_per_signature = $q_per_signature\n";
for $i (0..$num_signatures-1) {
my $start = $i * $q_per_signature * 4 + 1;
my $end = ($i+1) * $q_per_signature * 4;
if ($end > $pages) {
$end = $pages;
}
$cmd = "psselect $start-$end $psname | fixtd -tumble | psbook > $psname.$start-$end";
print "$cmd\n";
system $cmd;
$lastbbox = "-lastbbox" if $i > 0;
$cmd = "impose $impose_options $lastbbox $psname.$start-$end";
print "$cmd\n";
system $cmd;
unlink "$psname.$start-$end";
}
print "Done!\n";
sub get_num_pages {
my $fn = shift;
my $pages;
open(PS, $fn) || die "Couldn't open $fn: $!\n";
while(<PS>) {
if ($. == 1) {
die "Not a Postscript file!\n" unless /^%!/;
}
$pages = $_ and last if /^%%Pages:/;
}
die "Couldn't find %%Pages!\n" unless $pages;
if ($pages =~ /atend/) {
seek(PS, -2000, 2);
read(PS, $_, 2000);
/^%%Pages:.*$/m or die "Couldn't find %%Pages at end of file!\n";
$pages = $&;
}
$pages=~ /(\d+)\S*(\d*)/;
return $1;
}
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