[BACK]Return to printout.pl CVS log [TXT] [DIR] Up to [LON-CAPA] / loncom / interface

Diff for /loncom/interface/printout.pl between versions 1.98 and 1.104

version 1.98, 2006/04/24 21:30:06 version 1.104, 2006/06/20 09:39:47
Line 161  END Line 161  END
 }  }
  &Apache::lonlocal::get_language_handle();   &Apache::lonlocal::get_language_handle();
  &Apache::loncommon::content_type(undef,'text/html');   &Apache::loncommon::content_type(undef,'text/html');
  print(&Apache::loncommon::start_page('Creating PDF'));  
     print(&Apache::loncommon::start_page('Creating PDF'));
   
   my $identifier = $ENV{'QUERY_STRING'};    my $identifier = $ENV{'QUERY_STRING'};
   my $texfile = $env{'cgi.'.$identifier.'.file'};    my $texfile = $env{'cgi.'.$identifier.'.file'};
Line 233  print "<a href=\"$backref\"><b>Return</b Line 234  print "<a href=\"$backref\"><b>Return</b
   my $prettyname=$not_eps;    my $prettyname=$not_eps;
   $prettyname=~s|/home/([^/]+)/public_html|/priv/$1|;    $prettyname=~s|/home/([^/]+)/public_html|/priv/$1|;
   $prettyname=~s|$Apache::lonnet::perlvar{'lonDocRoot'}/|/|;    $prettyname=~s|$Apache::lonnet::perlvar{'lonDocRoot'}/|/|;
   &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,'Converting to EPS '.$prettyname);    &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,
    'Converting to EPS '.$prettyname);
       }        }
       $done_conversion{$not_eps}=1;        $done_conversion{$not_eps}=1;
       # print "Converting $not_eps -> $eps_f"; # Debugging        # print "Converting $not_eps -> $eps_f"; # Debugging
Line 475  foreach $texfile (@texfile) { Line 477  foreach $texfile (@texfile) {
      "for $status_statement now Converting to PS",       "for $status_statement now Converting to PS",
      \%prog_state,$new_name_file);       \%prog_state,$new_name_file);
   if (-e $new_name_file) {    if (-e $new_name_file) {
       print "<h1>PDF output file (see link below)</h1>\n";        my $latex_file = $name_file;
         $latex_file    =~ s/\.dvi/\.tex/;
         &repaginate($new_name_file, $latex_file, $numberofcolumns);
         #
         #  Now have to re-latex, re dvips again to 
         #  get the repaginated postscript.
         #
         &busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null",
    "for $status_statement first latex to repaginate",
    \%prog_state, $name_file);
         &busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null",
    "for $status_statement second latex to repaginate",
    \%prog_state, $name_file);
         &busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null",
    "for $status_statement third latex to repaginate",
    \%prog_state, $name_file);
         &busy_wait_command("$comma $name_file 1>dev/null 2>/dev/null",
    "for $status_statement dvips to repaginate",
    \%prog_state, $new_name_file);
   
         print "\n<h1>PDF output file (see link below)</h1>\n";
       $new_name_file =~ m/^(.*)\./;        $new_name_file =~ m/^(.*)\./;
       my $ps_file = my $tempo_file = $1.'temporar.ps';        my $ps_file = my $tempo_file = $1.'temporar.ps';
       my $pdf_file = $1.'.pdf';        my $pdf_file = $1.'.pdf';
Line 549  foreach $texfile (@texfile) { Line 571  foreach $texfile (@texfile) {
      "for $status_statement now Converting to PS",       "for $status_statement now Converting to PS",
      \%prog_state,$new_name_file);       \%prog_state,$new_name_file);
   if (-e $new_name_file) {    if (-e $new_name_file) {
         my $latex_file = $name_file;
         $latex_file =~ s/\.dvi/\.tex/;
         &repaginate($new_name_file, $latex_file,  $numberofcolumns);
         &busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null",
    "for $status_statement first latex to repaginate",
    \%prog_state, $name_file);
         &busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null",
    "for $status_statement second latex to repaginate",
    \%prog_state, $name_file);
         &busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null",
    "for $status_statement third latex to repaginate",
    \%prog_state, $name_file);
         &busy_wait_command("$comma $name_file 1>/dev/null 2>/dev/null",
    "for $status_statement dvips to repaginate",
    \%prog_state, $new_name_file);
       print "<br />";        print "<br />";
       $new_name_file =~ m/^(.*)\./;        $new_name_file =~ m/^(.*)\./;
       my $ps_file = my $tempo_file = $1.'temporar.ps';        my $ps_file = my $tempo_file = $1.'temporar.ps';
Line 629  if ($number_of_files>1) { Line 666  if ($number_of_files>1) {
 if ($advanced_role) { &Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state); }  if ($advanced_role) { &Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state); }
 print(&Apache::loncommon::end_page());  print(&Apache::loncommon::end_page());
 my $done;  my $done;
   
 sub REAPER {  sub REAPER {
     $done=1;      $done=1;
 }  }
Line 638  sub busy_wait_command { Line 676  sub busy_wait_command {
           
     $SIG{CHLD} = \&REAPER;      $SIG{CHLD} = \&REAPER;
     $done=0;      $done=0;
       print("<p> Doing : <tt>$command</tt>");
     my $pid=open(CMD,"$command |");      my $pid=open(CMD,"$command |");
     if ($advanced_role) {      if ($advanced_role) {
  &Apache::lonhtmlcommon::Update_PrgWin('',$progress_win,$message);   &Apache::lonhtmlcommon::Update_PrgWin('',$progress_win,$message);
Line 657  sub busy_wait_command { Line 696  sub busy_wait_command {
     $SIG{CHLD}='IGNORE';      $SIG{CHLD}='IGNORE';
     close(CMD);      close(CMD);
 }  }
       print("<p> End</p>");
   
   #  Repagninate
   #  What we need to do:
   #   - Count the number of pages in each student.
   #   - Rewrite the latex file replacing the \specials that
   #     mark the end of student with an appropriate number of newlines.
   #   parameters:
   #     psfile     - Postscript filename
   #     latexfile  - LaTeX filename
   #     columns    - number of columns.
   sub repaginate {
   
       # We will try to do this in 2 passes through the postscript since
       # the postscript is potentially large, to do 2 passes, the first pass
       # must be able to calculate the total number of document pages so that
       # at the beginning of the second pass we already know how to replace
       #  %%Pages:
   
       #  Figure out
       #    1. Number of pages in the document
       #    2. Maximum number of pages in a student
       #    3. Number of pages in each student.
   
       my ($postscript_filename, $latex_filename, $num_columns) = @_;
       open(PSFILE, "<$postscript_filename");
       my $line;
       my $total_pages; # Total pages in document.
       my $seen_pages        = 0; # There are several %%Pages only the first is useful
       my $student_number    = 0; # Index of student we're working on.
       my @pages_in_student; # For each student his/her initial page count.
       my $max_pages = 0; # Pages in 'longest' student.
       my $page_number = 0;
       &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state, 
     "Counting pages for student: ".$student_number+1);
   
       while ($line = <PSFILE>) {
   
    # Check for total pages (%%Pages:)
   
    if (($line =~ /^%%Pages:/) && (!$seen_pages)) {
       my @pageinfo = split(/ /,$line);
       $total_pages = $pageinfo[1];
       $seen_pages  = 1;
    }
    #  Check for %%Page: n m  $page_number will be the
    #  biggest of these until we see an endofstudent.
    #  Note that minipages generate spurious %Page: 1 1's so
    #  we only are looking for the largest n (n is page number at the
    #  bottom of the page, m the page number within the document.
    #
   
    if ($line =~ /^%%Page:/) {
       my @pageinfo = split(/ /, $line);
       if ($page_number < $pageinfo[1]) {
    $page_number = $pageinfo[1];
       }
    }
    #  ENDOFSTUDENTSTAMP - save the page_number, reset and, if necessary
    #                      udpate max_pages.
    #
    if ($line =~ /ENDOFSTUDENTSTAMP/) {
       $pages_in_student[$student_number] = $page_number;
       $student_number++;
       &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state, 
     "Counting pages for student: ".$student_number+1);
       
       if ($page_number > $max_pages) {
    $max_pages = $page_number;
       }
       $page_number = 0;
     
    }
   
   
       }
       close(PSFILE);
   
       #  If 2 columns, max_pages must go to an even number of columns:
   
       &Apache::lonnet::logthis("Before 2 col adjust max-pages = $max_pages");
      
       if ($num_columns == 2) {
    if ($max_pages % 2) {
       $max_pages++;
    }
       }
       &Apache::lonnet::logthis("after adjust: $max_pages");
       
       #  Now rewrite the LaTex file, substituting our \special
       #  with an appropriate number of \newpage directives.
   
       my $outfilename = $latex_filename."temp";
   
       open(LATEXIN, "<$latex_filename");
       open(LATEXOUT, ">$outfilename");
   
   
       $student_number = 0; # first student...
       &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state, 
     "Repaginating student ".$student_number+1);
   
       while (my $line = <LATEXIN>) {
    if ($line eq "\\special{ps:ENDOFSTUDENTSTAMP}\n") {
       # only end of student stamp if next line is ENDOFSTUDENTSTAMP:
   
   
       # End of student replace with 0 or more newpages.
       
       my $addlines = $max_pages - $pages_in_student[$student_number];
       &Apache::lonnet::logthis("student: $pages_in_student[$student_number] add: $addlines");
       while($addlines)  {
    print LATEXOUT '\pagebreak';
    $addlines--;
       }
       
       $student_number++;
       &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state, 
     "Repaginating student ".$student_number+1);
       
    } else {
       print LATEXOUT $line;
    }
       }
   
       close(LATEXIN);
       close(LATEXOUT);
      rename($outfilename, $latex_filename);
   
   }
   
Removed from v.1.98  
changed lines
  Added in v.1.104

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