version 1.99, 2006/06/06 11:04:18
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version 1.107, 2006/06/30 01:24:41
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Line 161 END
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Line 161 END
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} |
} |
&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')); |
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print(&Apache::loncommon::start_page('Creating PDF')); |
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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=\"$backref\"><b>Return</b
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Line 234 print "<a href=\"$backref\"><b>Return</b
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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 '.$prettyname); |
&Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state, |
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'Converting to EPS '.$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) {
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Line 477 foreach $texfile (@texfile) {
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"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 $new_name_file) { |
&repaginate_postscript($new_name_file); |
my $latex_file = $name_file; |
print "<h1>PDF output file (see link below)</h1>\n"; |
$latex_file =~ s/\.dvi/\.tex/; |
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&repaginate($new_name_file, $latex_file, $numberofcolumns); |
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# |
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# Now have to re-latex, re dvips again to |
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# get the repaginated postscript. |
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# |
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&busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null", |
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"for $status_statement first latex to repaginate", |
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\%prog_state, $name_file); |
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if ($tableofcontents eq 'yes') { |
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&busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null", |
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"for $status_statement second latex to repaginate", |
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\%prog_state, $name_file); |
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&busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null", |
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"for $status_statement third latex to repaginate", |
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\%prog_state, $name_file); |
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} |
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if ($tableofindex eq 'yes') { |
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my $idxname = $latex_file; |
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$idxname =~ s/\.tex$/\.idx/; |
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&busy_wait_command("makindex $idxname", |
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"Re-creating index file", |
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\%prog_state, $idxname); |
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&busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null", |
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"for $status_statement now Recreting index (latex)", |
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\%prog_state, $dvi_file); |
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} |
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&busy_wait_command("$comma $name_file 1>dev/null 2>/dev/null", |
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"for $status_statement dvips to repaginate", |
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\%prog_state, $new_name_file); |
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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 550 foreach $texfile (@texfile) {
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Line 583 foreach $texfile (@texfile) {
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"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 $new_name_file) { |
&repaginate_postscript($new_name_file); |
my $latex_file = $name_file; |
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$latex_file =~ s/\.dvi/\.tex/; |
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&repaginate($new_name_file, $latex_file, $numberofcolumns); |
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&busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null", |
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"for $status_statement first latex to repaginate", |
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\%prog_state, $name_file); |
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if ($tableofcontents eq 'yes') { |
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&busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null", |
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"for $status_statement second latex to repaginate", |
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\%prog_state, $name_file); |
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&busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null", |
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"for $status_statement third latex to repaginate", |
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\%prog_state, $name_file); |
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} |
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if ($tableofindex eq 'yes') { |
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my $idxname = $latex_file; |
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$idxname =~ s/\.tex$/\.idx/; |
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&busy_wait_command("makeindex $idxname", |
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"Re-creating index file", |
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\%prog_state, $idxname); |
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&busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null", |
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"for $status_statement now Recreting index (latex)", |
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\%prog_state, $dvi_file); |
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} |
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&busy_wait_command("$comma $name_file 1>/dev/null 2>/dev/null", |
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"for $status_statement dvips to repaginate", |
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\%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 = $1.'temporar.ps'; |
Line 631 if ($number_of_files>1) {
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Line 690 if ($number_of_files>1) {
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if ($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; |
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sub REAPER { |
sub REAPER { |
$done=1; |
$done=1; |
} |
} |
Line 660 sub busy_wait_command {
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Line 720 sub busy_wait_command {
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close(CMD); |
close(CMD); |
} |
} |
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# Repagninate |
# Repagninate a postscript file. |
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# What we need to do: |
# What we need to do: |
# - Count the number of pages in each student. |
# - Count the number of pages in each student. |
# - Add pages between each student so that each student's output is |
# - Rewrite the latex file replacing the \specials that |
# the maximum number of pages. |
# mark the end of student with an appropriate number of newlines. |
# |
# parameters: |
sub repaginate_postscript { |
# psfile - Postscript filename |
# For now just strip out the STARTOFSTUDENTSTAMP |
# latexfile - LaTeX filename |
# ENDOFSTUDENTSTAMP markers in the postscript. |
# columns - number of columns. |
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sub repaginate { |
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# We will try to do this in 2 passes through the postscript since |
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# the postscript is potentially large, to do 2 passes, the first pass |
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# must be able to calculate the total number of document pages so that |
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# at the beginning of the second pass we already know how to replace |
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# %%Pages: |
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# Figure out |
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# 1. Number of pages in the document |
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# 2. Maximum number of pages in a student |
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# 3. Number of pages in each student. |
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my ($postscript_filename) = @_; |
my ($postscript_filename, $latex_filename, $num_columns) = @_; |
open(PSFILE, "<$postscript_filename"); |
open(PSFILE, "<$postscript_filename"); |
my @psfilelines = <PSFILE>; |
my $line; |
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my $total_pages; # Total pages in document. |
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my $seen_pages = 0; # There are several %%Pages only the first is useful |
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my $student_number = 0; # Index of student we're working on. |
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my @pages_in_student; # For each student his/her initial page count. |
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my $max_pages = 0; # Pages in 'longest' student. |
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my $page_number = 0; |
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&Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state, |
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"Counting pages for student: ".$student_number+1); |
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while ($line = <PSFILE>) { |
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# Check for total pages (%%Pages:) |
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if (($line =~ /^%%Pages:/) && (!$seen_pages)) { |
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my @pageinfo = split(/ /,$line); |
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$total_pages = $pageinfo[1]; |
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$seen_pages = 1; |
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} |
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# Check for %%Page: n m $page_number will be the |
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# biggest of these until we see an endofstudent. |
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# Note that minipages generate spurious %Page: 1 1's so |
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# we only are looking for the largest n (n is page number at the |
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# bottom of the page, m the page number within the document. |
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# |
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if ($line =~ /^%%Page:/) { |
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my @pageinfo = split(/ /, $line); |
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if ($page_number < $pageinfo[1]) { |
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$page_number = $pageinfo[1]; |
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} |
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} |
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# ENDOFSTUDENTSTAMP - save the page_number, reset and, if necessary |
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# udpate max_pages. |
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# |
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if ($line =~ /ENDOFSTUDENTSTAMP/) { |
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$pages_in_student[$student_number] = $page_number; |
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$student_number++; |
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&Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state, |
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"Counting pages for student: ".$student_number+1); |
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if ($page_number > $max_pages) { |
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$max_pages = $page_number; |
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} |
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$page_number = 0; |
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} |
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} |
close(PSFILE); |
close(PSFILE); |
my $psbody = join('', @psfilelines); |
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$psbody =~ s/STARTOFSTUDENTSTAMP//g; |
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$psbody =~ s/ENDOFSTUDENTSTAMP//g; |
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open(PSFILE, ">$postscript_filename"); |
# If 2 columns, max_pages must go to an even number of columns: |
print PSFILE $psbody; |
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&Apache::lonnet::logthis("Before 2 col adjust max-pages = $max_pages"); |
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if ($num_columns == 2) { |
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if ($max_pages % 2) { |
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$max_pages++; |
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} |
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} |
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&Apache::lonnet::logthis("after adjust: $max_pages"); |
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# Now rewrite the LaTex file, substituting our \special |
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# with an appropriate number of \newpage directives. |
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my $outfilename = $latex_filename."temp"; |
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open(LATEXIN, "<$latex_filename"); |
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open(LATEXOUT, ">$outfilename"); |
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$student_number = 0; # first student... |
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&Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state, |
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"Repaginating student ".$student_number+1); |
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while (my $line = <LATEXIN>) { |
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if ($line eq "\\special{ps:ENDOFSTUDENTSTAMP}\n") { |
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# only end of student stamp if next line is ENDOFSTUDENTSTAMP: |
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# End of student replace with 0 or more newpages. |
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my $addlines = $max_pages - $pages_in_student[$student_number]; |
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&Apache::lonnet::logthis("student: $pages_in_student[$student_number] add: $addlines"); |
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while($addlines) { |
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print LATEXOUT '\linebreak \strut \pagebreak'; |
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$addlines--; |
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} |
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$student_number++; |
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&Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state, |
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"Repaginating student ".$student_number+1); |
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} else { |
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print LATEXOUT $line; |
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} |
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} |
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close(LATEXIN); |
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close(LATEXOUT); |
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rename($outfilename, $latex_filename); |
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close PSFILE; |
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} |
} |
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