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#!/usr/bin/perl
## File: backcite.dtx Copyright (C) 1995--1999 Michael Mehlich
## This program can be redistributed and/or modified under the terms
## of the LaTeX Project Public License Distributed from CTAN
## archives in directory macros/latex/base/lppl.txt; either
## version 1 of the License, or any later version.
### DESCRIPTION:
### This script transforms dvi-files to pdf-files using dvihps and ghostscripts pdfwriter
### It has been tested with emtex's dvips and ghostscript 4.01 on WindowsNT
### Usage: dvi2pdf <options>
### where <options> are the usual dvips options and/or one of the following ones
### -nopdf produce only the ps-file not the pdf-file
### (this option is automatically used if output file has suffix .ps)
### -noborder produces an outputfile where the hyper-links don't have borders
### -s<x>,<y> shifts the hyper-links by (<x>,<y>)
#Note: This script overwrites eventually existing files named
# $$.ps, $pdffile.ps, $pdffile.pdf
# where $$ is the process id (as provided by perl)
# and $pdffile is the output file name given with the option -o or
# derived from the input file name, i.e. the input file name without suffix
### CONFIGURATION:
#Access paths for the programs dvihps and ghostscript
$GHOSTSCRIPT = "gswin32c"; #how to call ghostscript
$DVIHPS = "dvips"; #how to call hyper postscript capable dvips
$REMOVEFILE = "del"; #command to delete file
### Probably no changes necessary below this line
#some local initializations
$argno = 0;
$arglist = "";
$dvifile = "";
$psfile = "";
$pdffile = "";
$xshift = 0; $yshift = 0; #shift for hyper references
$referenceborder = 1; #do we want to have a border surrounding hyper references?
$nopdf = 0; #we just patch the ps-file if ($nopdf == 1)
#scan arguments for input and output file and preserver rest for forwarding to dvips
while ($argno <= $#ARGV)
{ if ($ARGV[$argno] eq "")
{ #empty argument, ignore
}
elsif ($ARGV[$argno] =~ m/^-s([\+\-0-9]+)\,([\+\-0-9]+)$/)
{ $xshift = $1;
$yshift = $2;
}
elsif ($ARGV[$argno] =~ m/^-nopdf$/)
{ $nopdf = 1;
}
elsif ($ARGV[$argno] =~ m/^-noborder$/)
{ $referenceborder = 0;
}
elsif ($ARGV[$argno] =~ m/^-(.)(.+)$/)
{ #argument follows flag directly
if ($1 eq "o")
{ #argument is output file
($pdffile ne "") && die("Sorry, multiple output files cannot be handled");
$pdffile = $2;
}
else
{ #argument is dvi-argument
if ($ARGV[$argno] =~ m/ /)
{ $arglist .= ' '.'"'.$ARGV[$argno].'"';
}
else
{ $arglist .= ' '.$ARGV[$argno];
}
}
}
elsif ($ARGV[$argno] =~ m/^-(.)$/)
{ #flag without directly following argument
if ( ($1 eq "a") || ($1 eq "k") || ($1 eq "m") || ($1 eq "q") || ($1 eq "r")
|| ($1 eq "s") || ($1 eq "z") || ($1 eq "A") || ($1 eq "B") || ($1 eq "E")
|| ($1 eq "F") || ($1 eq "K") || ($1 eq "M") || ($1 eq "N") || ($1 eq "R")
|| ($1 eq "U") || ($1 eq "V") || ($1 eq "Z")
)
{ #flag without argument
if (!($1 eq "z"))
{ $arglist .= ' '.$ARGV[$argno];
}
}
elsif ($1 eq "i")
{ die("Sorry, separate file per section cannot be handled");
}
elsif ($1 eq "f")
{ die("Sorry, run in filter mode not possible");
}
else
{ #flag with argument
if ($1 eq "o")
{ #argument is output file
($pdffile ne "") && die("Sorry, multiple output files cannot be handled");
$pdffile = $ARGV[$argno+1];
}
else
{ #argument is dvi-argument
if ($ARGV[$argno+1] =~ m/ /)
{ $arglist .= ' '.$ARGV[$argno].' '.'"'.$ARGV[$argno+1].'"';
}
else
{ $arglist .= ' '.$ARGV[$argno].' '.$ARGV[$argno+1];
}
}
$argno++;
}
}
else
{ #nonflag argument
($dvifile ne "") && die("Sorry, multiple input files cannot be handled");
$dvifile = $ARGV[$argno];
}
$argno++;
}
$arglist = substr($arglist,1,length($arglist)-1);
($dvifile eq "") && die("Sorry, no input file");
if (!($dvifile =~ m/\.[^\.\:\\\/]*$/))
{ $dvifile .= '.dvi';
}
(!($dvifile =~ m/\.dvi$/)) && die("Sorry, input file has illegal suffix different from .dvi");
if ($pdffile eq "")
{ ($pdffile = $dvifile) =~ s/\.[^\:\\\/\.]*$/\.pdf/;
if ($pdffile eq $dvifile)
{ $pdffile = $dvifile.'.pdf';
}
}
else
{ if ($pdffile =~ m/\.ps$/)
{ $nopdf = 1;
}
}
($psfile = $pdffile) =~ s/\.[^\:\\\/\.]*$/\.ps/;
$tmpfile = "$$.ps";
#output arguments
print STDERR "DVI file: $dvifile\n";
print STDERR "PS file: $psfile\n";
if ($nopdf == 0)
{ print STDERR "PDF file: $pdffile\n";
}
print STDERR "TMP file: $tmpfile\n";
print STDERR "Arg list: $arglist\n";
print STDERR "Shifting: ($xshift,$yshift)\n";
print STDERR "HyBorder: "; if ($referenceborder) { print STDERR "preserve"; } else { print STDERR "none"; }; print STDERR "\n";
#call dvips
print STDERR "*** $DVIHPS -z $arglist -o $tmpfile $dvifile\n";
system("$DVIHPS -z $arglist -o $tmpfile $dvifile");
(!(-f "$tmpfile")) && die("Error, $DVIHPS could not generate '$tmpfile'");
#path postscript file because we want to use a different fitheight for references to pages
print STDERR "*** PATCH $tmpfile $psfile\n";
open(STDIN,"<$tmpfile") || die("Input file '$tmpfile' not found.\n");
open(STDOUT,">$psfile") || do { close(STDIN); die("Cannot open file '$psfile' for writing.\n") };
while (<STDIN>)
{ if (/^\s*\((.+)\)\s+\[([0-9]+)\s+\[([0-9]+)\s+([0-9]+)\s+([0-9]+)\s+([0-9]+)\]\s+([0-9]+)\]\s+def\s*$/)
{ $name = $1; # name of an anchor
$page = $2; # page the anchor is on
$xa = $3 + $xshift; # rectangular box of anchor
$ya = $4 + $yshift;
$xb = $5 + $xshift;
$yb = $6 + $yshift;
$fitheight = (($ya > $yb) ? $ya : $yb) + 10; # screen top to show when reference to this anchor is choosen
print STDOUT "($name) [$page [$xa $ya $xb $yb] $fitheight] def\n";
}
elsif (/^(.*)\s+\((.+)\)\s+\[\[([0-9]+)\s+([0-9]+)\s+([0-9]+)\s+([0-9]+)\]\s+\[(.+)\]\s+\[(.+)\]\] pdfm\s+(.*)$/)
{ $before = $1;
$name = $2; # name of the reference
$xa = $3 + $xshift; # rectangular box of reference
$ya = $4 + $yshift;
$xb = $5 + $xshift;
$yb = $6 + $yshift;
$borderinfo = $7; #horizontal_corner_radius vertical_corner_radius box_line_width [dash_on_size] [dash_off_size]
$bordercolor = $8; #red green blue
$after = $9;
if ($borderinfo =~ m/^\s*([0-9]+)\s+([0-9]+)\s+([0-9]+)\s*\[\s*([0-9]+)\s+([0-9]+)\s*\]\s*$/)
{ $horizontalcornerradius = $1;
$verticalcornerradius = $2;
$boxlinewidth = $3;
$dashonsize = $4;
$dashoffsize = $5;
if ($referenceborder == 0)
{ $boxlinewidth = 0;
}
$borderinfo = "$horizontalcornerradius $verticalcornerradius $boxlinewidth [$dashonsize $dashoffsize]";
}
print STDOUT "$before ($name) [[$xa $ya $xb $yb] [$borderinfo] [$bordercolor]] pdfm $after\n";
}
elsif (/^(.*)\s+\[\[([0-9]+)\s+([0-9]+)\s+([0-9]+)\s+([0-9]+)\]\s+\[(.+)\]\s+\[(.+)\]\]\s+\((.+)\)\s+pdfm\s+(.*)$/)
{ $before = $1;
$xa = $2 + $xshift; # rectangular box of reference
$ya = $3 + $yshift;
$xb = $4 + $xshift;
$yb = $5 + $yshift;
$borderinfo = $6; #horizontal_corner_radius vertical_corner_radius box_line_width [dash_on_size] [dash_off_size]
$bordercolor = $7; #red green blue
$name = $8;
$after = $9;
if ($borderinfo =~ m/^\s*([0-9]+)\s+([0-9]+)\s+([0-9]+)\s*\[\s*([0-9]+)\s+([0-9]+)\s*\]\s*$/)
{ $horizontalcornerradius = $1;
$verticalcornerradius = $2;
$boxlinewidth = $3;
$dashonsize = $4;
$dashoffsize = $5;
if ($referenceborder == 0)
{ $boxlinewidth = 0;
}
$borderinfo = "$horizontalcornerradius $verticalcornerradius $boxlinewidth [$dashonsize $dashoffsize]";
}
print STDOUT "$before [[$xa $ya $xb $yb] [$borderinfo] [$bordercolor]] ($name) pdfm $after\n";
}
else
{ print STDOUT $_;
}
}
close(STDIN);
close(STDOUT);
# delete auxiliary file
print STDERR "*** $REMOVEFILE $tmpfile\n";
system("$REMOVEFILE $tmpfile");
if ($nopdf == 0)
{ # create pdf-file by calling ghostscript
print STDERR "*** $GHOSTSCRIPT -q -dNOPAUSE -sDEVICE#pdfwrite -sOutputFile#$pdffile $psfile -c quit\n";
system("$GHOSTSCRIPT -q -dNOPAUSE -sDEVICE#pdfwrite -sOutputFile#$pdffile $psfile -c quit");
(!(-f "$pdffile")) && die("Error, $DVIHPS could not generate '$pdffile'");
}
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