version 1.105, 2006/06/26 10:11:48
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version 1.115, 2006/12/06 12:10:16
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Line 29 use lib '/home/httpd/lib/perl';
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Line 29 use lib '/home/httpd/lib/perl';
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use LONCAPA::loncgi; |
use LONCAPA::loncgi; |
use File::Path; |
use File::Path; |
use File::Basename; |
use File::Basename; |
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use File::Copy; |
use IO::File; |
use IO::File; |
use Image::Magick; |
use Image::Magick; |
use Apache::lonhtmlcommon(); |
use Apache::lonhtmlcommon(); |
Line 204 print "<a href=\"$backref\"><b>Return</b
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Line 205 print "<a href=\"$backref\"><b>Return</b
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foreach my $not_eps (@content_of_file) { |
foreach my $not_eps (@content_of_file) { |
chomp($not_eps); |
chomp($not_eps); |
if ($not_eps ne '') { |
if ($not_eps ne '') { |
# print "Converting $not_eps"; # Debugging. |
# print "Converting $not_eps"; # Debugging. |
my $status_statement='EPS picture for '.$not_eps; |
my $status_statement='EPS picture for '.$not_eps; |
# print "$status_statement\n"; |
# print "$status_statement\n"; |
$not_eps=~s|\/\.\/|\/|g; |
$not_eps=~s|\/\.\/|\/|g; |
my $eps_f = $not_eps; |
my $eps_f = $not_eps; |
# $eps_f =~ s/\.[^.]*$/\.eps/i; |
# $eps_f =~ s/\.[^.]*$/\.eps/i; |
$eps_f .= '.eps'; # Just append the eps ext. |
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if ($eps_f=~/\/home\/([^\/]+)\/public_html\//) { |
if ($eps_f=~/\/home\/([^\/]+)\/public_html\//) { |
$eps_f=~s/\/home\/([^\/]+)\/public_html/$1/; |
$eps_f=~s/\/home\/([^\/]+)\/public_html/$1/; |
$eps_f = '/home/httpd/prtspool/'.$eps_f; |
$eps_f = '/home/httpd/prtspool/'.$eps_f; |
Line 222 print "<a href=\"$backref\"><b>Return</b
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Line 222 print "<a href=\"$backref\"><b>Return</b
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$eps_f = '/home/httpd/prtspool/'.$1.'/'.$2; |
$eps_f = '/home/httpd/prtspool/'.$1.'/'.$2; |
} |
} |
$eps_f =~ s/ /\_/g; # Spaces are problematic for system commands and LaTeX. |
$eps_f =~ s/ /\_/g; # Spaces are problematic for system commands and LaTeX. |
my $path=$eps_f; |
# |
$path =~ s/\/([^\/]+)\.eps$//; |
# If the file is already an .eps or .ps file, |
# print "Final file path: $path "; # Debugging |
# We really just need to copy it from where it was to prtspool |
File::Path::mkpath($path,0,0777); |
# but with the spaces substituted to _'s. |
$not_eps =~ s/^\s+//; |
# |
$not_eps =~ s/\s+$//; |
my ($nsname,$path, $sext) = &fileparse($eps_f, qr/\.(ps|eps)/i); |
$not_eps =~ s/ /\\ /g; |
if ($sext =~/ps$/i) { |
if ( exists($done_conversion{$not_eps})) { next; } |
# print "$not_eps is a postscript file. copy to $path\n"; |
if ($advanced_role) { |
&File::Path::mkpath($path,0,0777); |
my $prettyname=$not_eps; |
#print("Made path: $path"); |
$prettyname=~s|/home/([^/]+)/public_html|/priv/$1|; |
#$not_eps =~ s/^\s+//; |
$prettyname=~s|$Apache::lonnet::perlvar{'lonDocRoot'}/|/|; |
#$not_eps =~ s/\s+$//; |
&Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state, |
#$not_eps =~ s/ /\__/g; |
'Converting to EPS '.$prettyname); |
#print("Copying $not_eps to $eps_f\n"); |
} |
copy("$not_eps", "$eps_f"); |
$done_conversion{$not_eps}=1; |
# print "Copy complete\n"; |
# print "Converting $not_eps -> $eps_f"; # Debugging |
} else { |
system("convert $not_eps $eps_f"); |
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# check is eps exist in prtspool |
$eps_f .= '.eps'; # Just append the eps ext. |
if (not -e $eps_f) { |
my $path=$eps_f; |
# converting an animated gif creates either: |
$path =~ s/\/([^\/]+)\.eps$//; |
# anim.gif.eps.0 |
# print "Final file path: $path "; # Debugging |
# or |
&File::Path::mkpath($path,0,0777); |
# anim.gif-0.eps |
$not_eps =~ s/^\s+//; |
for (my $i=0;$i<10000;$i++) { |
$not_eps =~ s/\s+$//; |
if (-e $eps_f.'.'.$i) { |
$not_eps =~ s/ /\\ /g; |
rename($eps_f.'.'.$i, $eps_f); |
if ( exists($done_conversion{$not_eps})) { next; } |
last; |
if ($advanced_role) { |
} |
my $prettyname=$not_eps; |
my $anim_eps = $eps_f; |
$prettyname=~s|/home/([^/]+)/public_html|/priv/$1|; |
$anim_eps =~ s/(\.[^.]*)\.eps$/$1-$i\.eps/i; |
$prettyname=~s|$Apache::lonnet::perlvar{'lonDocRoot'}/|/|; |
if (-e $anim_eps) { |
&Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state, |
rename($anim_eps, $eps_f); |
'Converting to EPS '.$prettyname); |
last; |
} |
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$done_conversion{$not_eps}=1; |
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# print "Converting $not_eps -> $eps_f"; # Debugging |
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system("convert $not_eps $eps_f"); |
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# check is eps exist in prtspool |
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if (not -e $eps_f) { |
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# converting an animated gif creates either: |
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# anim.gif.eps.0 |
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# or |
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# anim.gif-0.eps |
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for (my $i=0;$i<10000;$i++) { |
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if (-e $eps_f.'.'.$i) { |
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rename($eps_f.'.'.$i, $eps_f); |
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last; |
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} |
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my $anim_eps = $eps_f; |
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$anim_eps =~ s/(\.[^.]*)\.eps$/$1-$i\.eps/i; |
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if (-e $anim_eps) { |
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rename($anim_eps, $eps_f); |
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last; |
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} |
} |
} |
} |
} |
} |
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# imagemagick 6.2.0-6.2.7 fails to properly handle |
# imagemagick 6.2.0-6.2.7 fails to properly handle |
# convert anim.gif anim.gif.eps |
# convert anim.gif anim.gif.eps |
# it creates anim.eps instead. |
# it creates anim.eps instead. |
if (not -e $eps_f) { |
if (not -e $eps_f) { |
my $eps_f2 = $eps_f; |
my $eps_f2 = $eps_f; |
$eps_f2 =~ s/\.[^.]*\.eps$/\.eps/i; |
$eps_f2 =~ s/\.[^.]*\.eps$/\.eps/i; |
if(-e $eps_f2) { |
if(-e $eps_f2) { |
rename($eps_f2,$eps_f); |
rename($eps_f2,$eps_f); |
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} |
} |
} |
} |
} |
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Line 509 foreach $texfile (@texfile) {
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Line 530 foreach $texfile (@texfile) {
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&busy_wait_command("$comma $name_file 1>dev/null 2>/dev/null", |
&busy_wait_command("$comma $name_file 1>dev/null 2>/dev/null", |
"for $status_statement dvips to repaginate", |
"for $status_statement dvips to repaginate", |
\%prog_state, $new_name_file); |
\%prog_state, $new_name_file); |
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# |
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# One last little hinky kinky thing. |
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# It's just possible that some fonts could not be maded |
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# at the resolution of the pdf print driver. |
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# In that case a file called missfont.log will have been |
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# created that will contain the commands that were attempted |
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# to create the missing fonts. If we basically |
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# take all the 8000 strings in that file, and |
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# replace them with 600 (the ljfour resolution) |
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# run the commands in that file and redvips, |
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# we'll be able to print the missing glyphs at 600dpi. |
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# |
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# Supposedly it is possible to tune TeX/Metafont to do this |
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# right but I failed to get that to work when following the |
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# docs at the tug site, hence this rather kludgey fix. |
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# |
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# We make the (I think) reasonable assumption that |
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# missing glyphs won't change the pagination and I think |
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# this is true because TeX/dvips will leave a space |
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# instead of these glyphs based on the font metrics |
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# (fancy way to say there will be a blank the size of the missing |
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# glyphs). |
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# |
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my $print_directory = dirname($name_file); |
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my $missfonts_file = $print_directory."/missfont.log"; |
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print "<br /> Missing fonts file is: $missfonts_file"; |
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if (-e $missfonts_file) { |
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print "<br />Missing fonts file exists\n"; |
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&create_missing_fonts($missfonts_file); |
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unlink($missfonts_file, \%prog_state); |
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&busy_wait_command("$comma $name_file 1>dev/null 2>/dev/null", |
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"for $status_statement dvips generated missing fonts", |
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\%prog_state, $new_name_file); |
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} |
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# |
print "\n<h1>PDF output file (see link below)</h1>\n"; |
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'; |
Line 582 foreach $texfile (@texfile) {
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Line 639 foreach $texfile (@texfile) {
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&busy_wait_command("$comma $name_file 1>/dev/null 2>/dev/null", |
&busy_wait_command("$comma $name_file 1>/dev/null 2>/dev/null", |
"for $status_statement now Converting to PS", |
"for $status_statement now Converting to PS", |
\%prog_state,$new_name_file); |
\%prog_state,$new_name_file); |
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# |
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# One last little hinky kinky thing. |
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# It's just possible that some fonts could not be maded |
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# at the resolution of the pdf print driver. |
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# In that case a file called missfont.log will have been |
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# created that will contain the commands that were attempted |
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# to create the missing fonts. If we basically |
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# take all the 8000 strings in that file, and |
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# replace them with 600 (the ljfour resolution) |
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# run the commands in that file and redvips, |
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# we'll be able to print the missing glyphs at 600dpi. |
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# |
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# Supposedly it is possible to tune TeX/Metafont to do this |
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# right but I failed to get that to work when following the |
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# docs at the tug site, hence this rather kludgey fix. |
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# |
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# We make the (I think) reasonable assumption that |
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# missing glyphs won't change the pagination and I think |
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# this is true because TeX/dvips will leave a space |
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# instead of these glyphs based on the font metrics |
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# (fancy way to say there will be a blank the size of the missing |
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# glyphs). |
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# |
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my $print_directory = dirname($name_file); |
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my $missfonts_file = $print_directory."/missfont.log"; |
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print "<br /> Missing fonts file is: $missfonts_file"; |
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if (-e $missfonts_file) { |
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print "<br />Missing fonts file exists\n"; |
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&create_missing_fonts($missfonts_file); |
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unlink($missfonts_file, \%prog_state); |
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&busy_wait_command("$comma $name_file 1>dev/null 2>/dev/null", |
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"for $status_statement dvips generated missing fonts", |
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\%prog_state, $new_name_file); |
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} |
if (-e $new_name_file) { |
if (-e $new_name_file) { |
my $latex_file = $name_file; |
my $latex_file = $name_file; |
$latex_file =~ s/\.dvi/\.tex/; |
$latex_file =~ s/\.dvi/\.tex/; |
Line 610 foreach $texfile (@texfile) {
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Line 701 foreach $texfile (@texfile) {
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&busy_wait_command("$comma $name_file 1>/dev/null 2>/dev/null", |
&busy_wait_command("$comma $name_file 1>/dev/null 2>/dev/null", |
"for $status_statement dvips to repaginate", |
"for $status_statement dvips to repaginate", |
\%prog_state, $new_name_file); |
\%prog_state, $new_name_file); |
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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 = $1.'temporar.ps'; |
Line 700 sub busy_wait_command {
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Line 792 sub busy_wait_command {
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$SIG{CHLD} = \&REAPER; |
$SIG{CHLD} = \&REAPER; |
$done=0; |
$done=0; |
print("<p> Doing : <tt>$command</tt>"); |
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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 720 sub busy_wait_command {
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Line 811 sub busy_wait_command {
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$SIG{CHLD}='IGNORE'; |
$SIG{CHLD}='IGNORE'; |
close(CMD); |
close(CMD); |
} |
} |
print("<p> End</p>"); |
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# Repagninate |
# Repagninate |
# What we need to do: |
# What we need to do: |
Line 749 sub repaginate {
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Line 839 sub repaginate {
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my $line; |
my $line; |
my $total_pages; # Total pages in document. |
my $total_pages; # Total pages in document. |
my $seen_pages = 0; # There are several %%Pages only the first is useful |
my $seen_pages = 0; # There are several %%Pages only the first is useful |
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. |
my @pages_in_student; # For each student his/her initial page count. |
my $max_pages = 0; # Pages in 'longest' student. |
my $max_pages = 0; # Pages in 'longest' student. |
my $page_number = 0; |
my $page_number = 0; |
&Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state, |
&Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state, |
"Counting pages for student: ".$student_number+1); |
&mt("Counting pages for student: [_1]",1)); |
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while ($line = <PSFILE>) { |
while ($line = <PSFILE>) { |
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Line 776 sub repaginate {
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Line 865 sub repaginate {
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my @pageinfo = split(/ /, $line); |
my @pageinfo = split(/ /, $line); |
if ($page_number < $pageinfo[1]) { |
if ($page_number < $pageinfo[1]) { |
$page_number = $pageinfo[1]; |
$page_number = $pageinfo[1]; |
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} elsif ($pageinfo[2] ne 1) { |
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# current page count reset, and it's not because of a |
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# minipage |
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# - save the page_number, reset and, if necessary |
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# update max_pages. |
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push(@pages_in_student, $page_number); |
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&Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state, |
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&mt("Counting pages for student: [_1]", scalar(@pages_in_student))); |
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if ($page_number > $max_pages) { |
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$max_pages = $page_number; |
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} |
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$page_number = $pageinfo[1]; |
} |
} |
} |
} |
# ENDOFSTUDENTSTAMP - save the page_number, reset and, if necessary |
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# udpate max_pages. |
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# |
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if ($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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} |
} |
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# file ended so one more student |
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push(@pages_in_student, $page_number); |
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&Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state, |
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&mt("Counting pages for student: [_1]",scalar(@pages_in_student))); |
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if ($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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close(PSFILE); |
close(PSFILE); |
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# If 2 columns, max_pages must go to an even number of columns: |
# If 2 columns, max_pages must go to an even number of columns: |
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&Apache::lonnet::logthis("Before 2 col adjust max-pages = $max_pages"); |
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if ($num_columns == 2) { |
if ($num_columns == 2) { |
if ($max_pages % 2) { |
if ($max_pages % 2) { |
$max_pages++; |
$max_pages++; |
} |
} |
} |
} |
&Apache::lonnet::logthis("after adjust: $max_pages"); |
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# Now rewrite the LaTex file, substituting our \special |
# Now rewrite the LaTex file, substituting our \special |
# with an appropriate number of \newpage directives. |
# with an appropriate number of \newpage directives. |
Line 818 sub repaginate {
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Line 911 sub repaginate {
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open(LATEXOUT, ">$outfilename"); |
open(LATEXOUT, ">$outfilename"); |
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$student_number = 0; # first student... |
my $student_number = 0; # Index of student we're working on. |
&Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state, |
&Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state, |
"Repaginating student ".$student_number+1); |
"Repaginating student ".$student_number+1); |
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Line 830 sub repaginate {
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Line 923 sub repaginate {
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# End of student replace with 0 or more newpages. |
# End of student replace with 0 or more newpages. |
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my $addlines = $max_pages - $pages_in_student[$student_number]; |
my $addlines = $max_pages - $pages_in_student[$student_number]; |
&Apache::lonnet::logthis("student: $pages_in_student[$student_number] add: $addlines"); |
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while($addlines) { |
while($addlines) { |
print LATEXOUT '\linebreak This page left intentionally blank \pagebreak'; |
print LATEXOUT '\clearpage \strut \clearpage'; |
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$addlines--; |
$addlines--; |
} |
} |
Line 848 sub repaginate {
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Line 940 sub repaginate {
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close(LATEXIN); |
close(LATEXIN); |
close(LATEXOUT); |
close(LATEXOUT); |
rename($outfilename, $latex_filename); |
rename($outfilename, $latex_filename); |
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} |
} |
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# |
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# Create missing fonts given a latex missfonts.log file. |
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# This file will have lines like: |
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# |
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# mktexpk --mfmode ljfour --bdpi 8000 --mag 1+0/8000 --dpi 8000 tcrm0500 |
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# |
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# We want to execute those lines with the 8000's changed to 600's |
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# in order to match the resolution of the ljfour printer. |
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# Of course if some wiseguy has changed the default printer from ljfour |
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# in the dvips's config.ps file that will break so we'll also |
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# ensure that --mfmode is ljfour. |
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# |
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sub create_missing_fonts { |
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my ($fontfile, $state) = @_; |
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|
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# Open and read in the font file..we'll read it into the array |
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# font_commands. |
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# |
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my $font_handle = IO::File->new($fontfile); |
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my @font_commands = <$font_handle>; |
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# Now process each command replacing the appropriate 8000's with |
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# 600's ensuring that font names with 8000's in them are not corrupted. |
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# and if the --mfmode is not ljfour we turn it into ljfour. |
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# Then we execute the command. |
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# |
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foreach my $command (@font_commands) { |
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print "<br />Raw command: $command"; |
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$command =~ s/ 8000/ 600/g; # dpi directives. |
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$command =~ s/\/8000/\/600/g; # mag directives. |
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print "<br />After dpi replacements: $command"; |
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my @cmdarray = split(/ /,$command); |
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for (my $i =0; $i < scalar(@cmdarray); $i++) { |
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if ($cmdarray[$i] eq '--mfmode') { |
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$cmdarray[$i+1] = "ljfour"; |
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} |
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} |
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print "<br /> before reassembly : (@cmdarray)"; |
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$command = join(" ", (@cmdarray)); |
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print "<br />Creating fonts via command: $command"; |
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&busy_wait_command("$command 1>dev/null 2>/dev/null", |
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"Creating missing font", |
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$state, $command); |
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} |
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} |