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Diff for /loncom/xml/lontexconvert.pm between versions 1.91 and 1.92

version 1.91, 2008/11/24 17:17:51 version 1.92, 2008/12/04 09:51:14
Line 47  use Apache::lonlocal; Line 47  use Apache::lonlocal;
 use Apache::lonnet;  use Apache::lonnet;
 use lib '/home/httpd/lib/perl/';  use lib '/home/httpd/lib/perl/';
 use LONCAPA;  use LONCAPA;
   use LWP::UserAgent;
     
   
 # ====================================================================== Header  # ====================================================================== Header
Line 241  sub init_math_support { Line 242  sub init_math_support {
     return;      return;
 }  }
   
   sub mimetex_valign {
       my ($texstring)=@_;
       my $ua = LWP::UserAgent->new; #from the perldoc of LWP::UserAgent
       $ua->timeout(10); 
       $ua->env_proxy;
       #header without imagedata saved to response:
       my $response = $ua->head('http://lcdevhost.localdomain/cgi-bin/mimetex.cgi?'.$texstring);
       if ($response->is_success) {
           #get the valign-value:
           return($response->headers->{'vertical-align'});}
       else {
           return(0); #if (error) than continue without valign
       }
   }
   
 sub mimetex_converted {  sub mimetex_converted {
     my $texstring=shift;      my $texstring=shift;
     my $displaystyle=&displaystyle($texstring);      my $displaystyle=&displaystyle($texstring);
Line 250  sub mimetex_converted { Line 266  sub mimetex_converted {
     if ($displaystyle) {      if ($displaystyle) {
  $$texstring='\\displaystyle \\Large '.$$texstring;   $$texstring='\\displaystyle \\Large '.$$texstring;
     }      }
   
   # FIXME
   # this is the line that calls the new function mimetex_valign above:
   #   my $result='<img src="/cgi-bin/mimetex.cgi?'.&escape($$texstring).'" style="vertical-align:'.&mimetex_valign($$texstring).'px" alt="$'.$$texstring.'$" />';
   #
   # this line is the old implementation  without valign of the images:
     my $result='<img src="/cgi-bin/mimetex.cgi?'.&escape($$texstring).'" alt="$'.$$texstring.'$" />';      my $result='<img src="/cgi-bin/mimetex.cgi?'.&escape($$texstring).'" alt="$'.$$texstring.'$" />';
     if ($displaystyle) {      if ($displaystyle) {
  $result='<center>'.$result.'</center>';   $result='<center>'.$result.'</center>';
Removed from v.1.91  
changed lines
  Added in v.1.92

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