version 1.71, 2006/03/27 20:40:42
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version 1.78, 2006/09/07 21:51:16
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Line 42 package Apache::lontexconvert;
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Line 42 package Apache::lontexconvert;
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use strict; |
use strict; |
use tth(); |
use tth(); |
use vars qw($errorstring); |
use vars qw($errorstring); |
use Apache(); |
#use Apache::lonxml(); |
use Apache::lonmsg(); |
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use Apache::lonxml(); |
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use Apache::lonmenu(); |
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use Apache::lonlocal; |
use Apache::lonlocal; |
use Apache::lonnet; |
use Apache::lonnet; |
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use lib '/home/httpd/lib/perl/'; |
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use LONCAPA; |
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# ====================================================================== Header |
# ====================================================================== Header |
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sub init_tth { |
sub init_tth { |
my $options=$env{'course.'.$env{'request.course.id'}.'.tthoptions'}; |
my $options=$env{'course.'.$env{'request.course.id'}.'.tthoptions'}; |
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if ($options =~ /\S/) { |
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$options = ' '.$options; |
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} else { |
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undef($options); |
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} |
if ($env{'browser.mathml'}) { |
if ($env{'browser.mathml'}) { |
&tth::ttminit(); |
&tth::ttminit(); |
if ($env{'browser.unicode'}) { |
if ($env{'browser.unicode'}) { |
&tth::ttmoptions('-L -u1 '.$options); |
&tth::ttmoptions('-L -u1'.$options); |
} else { |
} else { |
&tth::ttmoptions('-L -u0 '.$options); |
&tth::ttmoptions('-L -u0'.$options); |
} |
} |
} else { |
} else { |
&tth::tthinit(); |
&tth::tthinit(); |
if ($env{'browser.unicode'}) { |
if ($env{'browser.unicode'}) { |
&tth::tthoptions('-L -u1 '.$options); |
&tth::tthoptions('-L -u1'.$options); |
} else { |
} else { |
&tth::tthoptions('-L -u0 '.$options); |
&tth::tthoptions('-L -u0'.$options); |
} |
} |
} |
} |
} |
} |
Line 171 sub jsMath_converted {
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Line 176 sub jsMath_converted {
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} |
} |
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{ |
{ |
my $jsMath_sent_header; |
my @jsMath_sent_header; |
sub jsMath_reset { |
sub jsMath_reset { |
$jsMath_sent_header=0; |
undef(@jsMath_sent_header); |
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} |
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sub jsMath_push { |
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push(@jsMath_sent_header,0); |
} |
} |
sub jsMath_header { |
sub jsMath_header { |
return '' if $jsMath_sent_header; |
return '' if $jsMath_sent_header[-1]; |
$jsMath_sent_header=1; |
$jsMath_sent_header[-1]=1; |
return |
return |
'<script type="text/javascript"> |
'<script type="text/javascript"> |
function NoFontMessage () {} |
function NoFontMessage () {} |
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jsMath = {Parser: {prototype: {environments: {\'eqnarray*\' :[\'Array\',null,null,\'rcl\',[5/18,5/18],3,\'D\']}}}}; |
</script>'."\n". |
</script>'."\n". |
'<script type="text/javascript" src="/adm/jsMath/jsMath.js"></script>'."\n"; |
'<script type="text/javascript" src="/adm/jsMath/jsMath.js"></script>'."\n"; |
} |
} |
sub jsMath_process { |
sub jsMath_process { |
return '' if !$jsMath_sent_header; |
my $state = pop(@jsMath_sent_header); |
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return '' if !$state; |
return '<script type="text/javascript">jsMath.Process()</script>'; |
return '<script type="text/javascript">jsMath.Process()</script>'; |
} |
} |
} |
} |
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sub init_math_support { |
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&init_tth(); |
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&Apache::lontexconvert::jsMath_push(); |
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if ($env{'environment.texengine'} eq 'jsMath' || |
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$env{'form.texengine'} eq 'jsMath' ) { |
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return &Apache::lontexconvert::jsMath_header(); |
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} |
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return; |
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} |
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sub mimetex_converted { |
sub mimetex_converted { |
my $texstring=shift; |
my $texstring=shift; |
my $displaystyle=&displaystyle($texstring); |
my $displaystyle=&displaystyle($texstring); |
Line 199 sub mimetex_converted {
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Line 219 sub mimetex_converted {
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if ($displaystyle) { |
if ($displaystyle) { |
$$texstring='\\displaystyle \\Large '.$$texstring; |
$$texstring='\\displaystyle \\Large '.$$texstring; |
} |
} |
my $result='<img src="/cgi-bin/mimetex.cgi?'.&Apache::lonnet::escape($$texstring).'" />'; |
my $result='<img src="/cgi-bin/mimetex.cgi?'.&escape($$texstring).'" />'; |
if ($displaystyle) { |
if ($displaystyle) { |
$result='<center>'.$result.'</center>'; |
$result='<center>'.$result.'</center>'; |
} |
} |
Line 333 sub postprocess_algebra {
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Line 353 sub postprocess_algebra {
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# moodle had these and I don't know why, ignoring them for now |
# moodle had these and I don't know why, ignoring them for now |
# $string =~s/\\fun/ /g; |
# $string =~s/\\fun/ /g; |
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# remove the extra () in the denominator of a \frac |
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$string =~s/\\frac{(.+?)}{\\left\((.+?)\\right\)}/\\frac{$1}{$2}/gs; |
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# sqrt(3,4) means the 4 root of 3 |
# sqrt(3,4) means the 4 root of 3 |
$string =~s/\\sqrt{([^,]+),([^\}]+)}/\\sqrt[$2]{$1}/gs; |
$string =~s/\\sqrt{([^,]+),([^\}]+)}/\\sqrt[$2]{$1}/gs; |
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