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- making pdf files look good on screen

    1: # The LearningOnline Network with CAPA
    2: # Perl script to render texxml files to a dvi
    3: #
    4: # Copyright Michigan State University Board of Trustees
    5: #
    6: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    7: #
    8: # LON-CAPA is free software; you can redistribute it and/or modify
    9: # it under the terms of the GNU General Public License as published by
   10: # the Free Software Foundation; either version 2 of the License, or
   11: # (at your option) any later version.
   12: #
   13: # LON-CAPA is distributed in the hope that it will be useful,
   14: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   15: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   16: # GNU General Public License for more details.
   17: #
   18: # You should have received a copy of the GNU General Public License
   19: # along with LON-CAPA; if not, write to the Free Software
   20: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   21: #
   22: # /home/httpd/html/adm/gpl.txt
   23: #
   24: # http://www.lon-capa.org/
   25: #
   26: # 7-16-2002 Jeremy Bowers
   27: 
   28: use strict;
   29: use Fcntl;
   30: use POSIX qw(tmpnam);
   31: 
   32: if ( scalar(@ARGV) < 2 )
   33: {
   34:     print (<<USAGE);
   35: Usage: $0 texxml_file_name or
   36:        perl $0 -- texxml_file_name
   37:        where "texxml_file_name" optionally includes the extension
   38: Output: texxml_file_name.dvi
   39: 
   40: $0 renders texxml files into dvi files by copying the tex file
   41: resulting from from texxml2latex.pl and the referenced eps files
   42: into a temporary directory and running LaTeX on the .tex file.
   43: 
   44: If a second argument is passed, it is used as the location of the 
   45: .eps files the document uses.
   46: 
   47: Must be run as somebody with permissions to write temp files and 
   48: access /home/httpd/html/adm/help/eps.
   49: USAGE
   50: 
   51:     exit();
   52: }
   53: 
   54: my $tmpdir = tmpnam();
   55: my $fileroot = $ARGV[1];
   56: 
   57: if (substr($fileroot, -7) eq ".texxml")
   58: {
   59:     $fileroot = substr($fileroot, 0, -7);
   60: }
   61: 
   62: my $epssource = "/home/httpd/html/adm/help/eps";
   63: 
   64: if ( defined ( $ARGV[2] ) ) # override eps source, for build on install
   65: {
   66:     $epssource = $ARGV[2];
   67: }
   68: 
   69: my $redir = ">& /dev/null"; # empty this for easier debugging
   70: #my $redir = ">> /home/jerf/work/loncapa/doc/help/error_log.txt";
   71: 
   72: mkdir $tmpdir, 0755;
   73: 
   74: print "Converting texxml to tex...\n";
   75: system ( "perl texxml2latex.pl $fileroot.texxml > $tmpdir/$fileroot.tex" );
   76: 
   77: print "Copying .eps files...\n";
   78: system ( "cp $epssource/* $tmpdir/" );
   79: 
   80: print "Running Latex...\n";
   81: system ( "cd $tmpdir; echo | latex $fileroot $redir; echo | latex $fileroot $redir; echo | latex $fileroot\ $redir; " );
   82: 
   83: print "Running dvips...\n";
   84: system ( "cd $tmpdir; dvips -Ppdf -G0 -f $fileroot.dvi > $fileroot.ps  " );
   85: 
   86: print "Copying ps file...\n";
   87: system ( "cp $tmpdir/$fileroot.ps .");
   88: 
   89: print "Converting to PDF (may take a bit)...\n";
   90: system ( "ps2pdf $fileroot.ps $fileroot.pdf" );
   91: 
   92: print "Clearing temp directory...\n";
   93: system ( "rm -rf $tmpdir" );
   94: 
   95: if ( -e $fileroot . ".ps" )
   96: {
   97:     print "$fileroot.ps and $fileroot.pdf are ready.\n";
   98: }
   99: else
  100: {
  101:     print "Generationr of $fileroot.ps failed.\n";
  102: }