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Diff for /loncom/xml/londefdef.pm between versions 1.254 and 1.263

version 1.254, 2005/02/09 15:56:45 version 1.263, 2005/03/15 11:26:34
Line 84  sub start_m { Line 84  sub start_m {
     my $currentstring = '';      my $currentstring = '';
     my $inside = &Apache::lonxml::get_all_text_unbalanced("/m",$parser);      my $inside = &Apache::lonxml::get_all_text_unbalanced("/m",$parser);
     if ($target eq 'web' || $target eq 'analyze') {      if ($target eq 'web' || $target eq 'analyze') {
  $inside ='\\documentstyle{article}'.$inside;  
  &Apache::lonxml::debug("M is starting with:$inside:");   &Apache::lonxml::debug("M is starting with:$inside:");
  my $eval=&Apache::lonxml::get_param('eval',$parstack,$safeeval);   my $eval=&Apache::lonxml::get_param('eval',$parstack,$safeeval);
  if ($eval eq 'on') {   if ($eval eq 'on') {
Line 106  sub start_m { Line 105  sub start_m {
     $currentstring=&Apache::run::evaluate($currentstring,$safeeval,$$parstack[-1]);      $currentstring=&Apache::run::evaluate($currentstring,$safeeval,$$parstack[-1]);
  }   }
  if ($currentstring=~/^(\s*\\\\\s*)*$/) {$currentstring = ' \vskip 0 mm ';}   if ($currentstring=~/^(\s*\\\\\s*)*$/) {$currentstring = ' \vskip 0 mm ';}
    # detect simple math mode entry exits, and convert them
           # to use \ensuremath
    if ($currentstring=~/^\s*\$[^\$].*[^\$]\$\s*$/) {
       $currentstring=~s/^\$//;
       $currentstring=~s/\$$//;
       $currentstring='\ensuremath{'.$currentstring.'}';
    }
  $Apache::lonxml::post_evaluate=0;   $Apache::lonxml::post_evaluate=0;
     }      }
     return $currentstring;      return $currentstring;
Line 178  sub end_html { Line 184  sub end_html {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
     my $currentstring = '';      my $currentstring = '';
     if ($target eq 'web') {      if ($target eq 'web') {
  $currentstring = &Apache::lonxml::xmlend($target,$parser);   $currentstring = '</html>';
     }      }
     return $currentstring;      return $currentstring;
 }  }
Line 558  EDITBUTTON Line 564  EDITBUTTON
 }  }
   
 sub end_body {  sub end_body {
     my ($target,$token) = @_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
     my $currentstring = '';      my $currentstring = '';
     if ($target eq 'web') {      if ($target eq 'web') {
  $currentstring = $token->[2];        $currentstring = &Apache::lonxml::xmlend($target,$parser);
     } elsif ($target eq 'tex') {      } elsif ($target eq 'tex') {
  $currentstring = '\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent \end{document}';     $currentstring = '\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent \end{document}';  
     }       } 
Line 2489  sub start_img { Line 2495  sub start_img {
  if(!$latex_rendering) {   if(!$latex_rendering) {
     $latex_rendering = "parbox";      $latex_rendering = "parbox";
  }   }
  &Apache::lonxml::debug("LaTeX rendering = $latex_rendering");   &Apache::lonxml::debug("LaTeX rendering = $latex_rendering image file: $src");
   
  my $oldSRC=$src;  
         $oldSRC=~s/\.(gif|jpg|png)$/\.eps/;  
  $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);  
  #if original gif/jpg/png file exist do following:   #if original gif/jpg/png file exist do following:
    my ($path,$file) = &get_eps_image($src);
    $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
    &Apache::lonxml::debug("path = $path file = $file src = $src");
  if (-e $src) {   if (-e $src) {
     #what is the image size?      &Apache::lonxml::debug("$src exists");
     my $width_param=&image_width($src,$scaling,$parstack,$safeeval);      my ($height_param,$width_param)=
     my $height_param=&image_height($src,$scaling,$parstack,$safeeval);   &image_size($src,0.3,$parstack,$safeeval);
             my ($file,$path)=&file_path($src);       my $destpath = $path;
     my $newsrc = $src;      $destpath    =~ s/ /\_/g; # Spaces in path cause LaTex to vomit.
     $newsrc =~ s/\.(gif|jpg|png)$/.eps/i;      my $destfile = $file;
     &Apache::lonnet::repcopy($oldSRC);      $destfile    =~ s/ /\_/g;
     $file=~s/\.(gif|jpg|png)$/.eps/i;      $currentstring .= '\graphicspath{{'.$destpath.'}}'
     #where can we find the picture?   .'\includegraphics[width='.$width_param.' mm,height='.$height_param.'mm]{'.$destfile.'} ';
     if (-e $newsrc) {  
  #eps counterpart for image exist   
  if ($path) {  
     $currentstring .= '\graphicspath{{'.$path.'}}'  
              .'\includegraphics[width='.$width_param.' mm,height='.$height_param.'mm]{'.$file.'} ';  
  }  
     } else {  
  #there is no eps counterpart for image - check for ps one  
  $newsrc =~ s/\.eps$/\.ps/;  
  if (-e $newsrc) {  
     #ps counterpart for image exist   
     $file =~ s/\.eps$/\.ps/;  
     if ($path) {  
  $currentstring .= '\graphicspath{{'.$path.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';  
     }  
  } else {  
     #care about eps dynamical generation  
     $currentstring.=&eps_generation($src,$file,$width_param);  
  }  
     }  
     #    If there's an alignment specification we need to honor it here.      #    If there's an alignment specification we need to honor it here.
     #    For the horizontal alignments, we will also honor the      #    For the horizontal alignments, we will also honor the
     #    value of the latex specfication.  The default is parbox,      #    value of the latex specfication.  The default is parbox,
Line 2542  sub start_img { Line 2529  sub start_img {
  if ($latex_rendering eq "parpic") {    if ($latex_rendering eq "parpic") { 
     $currentstring = '\parpic[l]{'.$currentstring.'}';      $currentstring = '\parpic[l]{'.$currentstring.'}';
  } else {                                     # parbox rendering   } else {                                     # parbox rendering
     $currentstring = "\n".'\parbox{'.$width_param.'mm}{'.$currentstring.'}';      $currentstring = "\\strut\\newline\n".
    '\parbox{'.$width_param.'mm}{'.$currentstring.'}';
  }   }
     } elsif ($align eq "right")  {         } elsif ($align eq "right")  {   
  if ($latex_rendering eq "parpic") {   if ($latex_rendering eq "parpic") {
Line 2555  sub start_img { Line 2543  sub start_img {
  # $currentstring = '\raisebox{'.$height_param.'mm}{'.$currentstring.'}';   # $currentstring = '\raisebox{'.$height_param.'mm}{'.$currentstring.'}';
     }      }
  } else {   } else {
       &Apache::lonxml::debug("$src does not exist");
     #original image file doesn't exist so check the alt attribute      #original image file doesn't exist so check the alt attribute
     my $alt =       my $alt = 
  &Apache::lonxml::get_param('alt',$parstack,$safeeval,undef,1);   &Apache::lonxml::get_param('alt',$parstack,$safeeval,undef,1);
Line 2562  sub start_img { Line 2551  sub start_img {
  $alt=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],$src);   $alt=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],$src);
     }      }
   
     if ($alt) {      if ($alt) { $currentstring .= ' '.$alt.' '; }
  $currentstring .= ' '.$alt.' ';  
     } else {  
  #<allow> tag will care about replication   
     }  
  }   }
   
  # And here's where the semi-quote breaks down: allow the user   # And here's where the semi-quote breaks down: allow the user
         # to edit the beast as well by rendering the problem for edit:          # to edit the beast as well by rendering the problem for edit:
   
   
     } elsif ($target eq 'edit') {      } elsif ($target eq 'edit') {
  $currentstring .=&Apache::edit::tag_start($target,$token);   $currentstring .=&Apache::edit::tag_start($target,$token);
  $currentstring .=&Apache::edit::text_arg('Image Url:','src',$token,70).   $currentstring .=&Apache::edit::text_arg('Image Url:','src',$token,70).
Line 2639  sub start_img { Line 2622  sub start_img {
  }   }
  if ($ctag) {$currentstring=&Apache::edit::rebuild_tag($token);}   if ($ctag) {$currentstring=&Apache::edit::rebuild_tag($token);}
     }      }
   
     return $currentstring;      return $currentstring;
 }  }
   
Line 3773  sub image_replication { Line 3757  sub image_replication {
     $pssrc  =~ s/\.(gif|jpg|jpeg|png)$/.ps/i;      $pssrc  =~ s/\.(gif|jpg|jpeg|png)$/.ps/i;
     if (not -e $epssrc && not -e $pssrc) {      if (not -e $epssrc && not -e $pssrc) {
  my $result=&Apache::lonnet::repcopy($epssrc);   my $result=&Apache::lonnet::repcopy($epssrc);
  if ($result ne OK) { &Apache::lonnet::repcopy($pssrc); }   if ($result ne 'OK') { &Apache::lonnet::repcopy($pssrc); }
     }      }
     return '';      return '';
 }  }
   
 sub image_size {  sub image_size {
     my ($src,$scaling,$parstack,$safeeval)=@_;      my ($src,$scaling,$parstack,$safeeval,$depth,$cis)=@_;
   
     #size of image from gif/jpg/jpeg/png       #size of image from gif/jpg/jpeg/png 
       my $ressrc=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
       if (-e $ressrc) {
    $src = $ressrc;
       }
     my $image = Image::Magick->new;      my $image = Image::Magick->new;
     my $current_figure = $image->Read($src);      my $current_figure = $image->Read($src);
     my $width_param = $image->Get('width') * $scaling;;      my $width_param = $image->Get('width') * $scaling;;
     my $height_param = $image->Get('height') * $scaling;;      my $height_param = $image->Get('height') * $scaling;
     undef $image;      &Apache::lonxml::debug("Image magick says: $src :  Height = $height_param width = $width_param");
       undef($image);
     #do we have any specified LaTeX size of the picture?      #do we have any specified LaTeX size of the picture?
     my $TeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval);      my $toget='TeXwidth'; 
     my $TeXheight = &Apache::lonxml::get_param('TeXheight',$parstack,$safeeval);      if ($cis) { 
    $toget=lc($toget); 
       }
       my $TeXwidth = &Apache::lonxml::get_param($toget,$parstack,
         $safeeval,$depth,$cis);
       $toget='TeXheight'; if ($cis) { $toget=lc($toget); }
       my $TeXheight = &Apache::lonxml::get_param($toget,$parstack,
          $safeeval,$depth,$cis);
     #do we have any specified web size of the picture?      #do we have any specified web size of the picture?
     my $width = &Apache::lonxml::get_param('width',$parstack,$safeeval,      my $width = &Apache::lonxml::get_param('width',$parstack,$safeeval,
    undef,1);     $depth,1);
     if ($TeXwidth ne '') {        if ($TeXwidth) { 
  my $old_width_param=$width_param;   my $old_width_param=$width_param;
  if ($TeXwidth=~/(\d+)\s*\%/) {   if ($TeXwidth=~/(\d+)\s*\%/) {
     $width_param = $1*$ENV{'form.textwidth'}/100;      $width_param = $1*$ENV{'form.textwidth'}/100;
Line 3800  sub image_size { Line 3797  sub image_size {
     $width_param = $TeXwidth;      $width_param = $TeXwidth;
  }   }
  $height_param=$TeXwidth/$old_width_param*$height_param;   $height_param=$TeXwidth/$old_width_param*$height_param;
     } elsif ($TeXheight ne '') {      } elsif ($TeXheight) {
  $height_param = $TeXheight;   $height_param = $TeXheight;
  $width_param  = $TeXheight/$height_param*$width_param;   $width_param  = $TeXheight/$height_param*$width_param;
     } elsif ($width ne '') {      } elsif ($width) {
  my $old_width_param=$width_param;   my $old_width_param=$width_param;
  $width_param = $width*$scaling;         $width_param = $width*$scaling;
         $height_param=$width_param/$old_width_param*$height_param;          $height_param=$width_param/$old_width_param*$height_param;
     }      }
     if ($width_param > $ENV{'form.textwidth'}) {      if ($width_param > $ENV{'form.textwidth'}) {
Line 3828  sub image_height { Line 3825  sub image_height {
     return $height;      return $height;
 }  }
   
   sub get_eps_image {
       my ($src)=@_;
       my $orig_src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1], $src);
       &Apache::lonxml::debug("get_eps_image: Original image: $orig_src<BR />");
       $src=~s/\.(gif|png|jpg|jpeg)$/\.eps/i;
       $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
       &Apache::lonxml::debug("Filelocation gives; $src <BR />");
       if (! -e $src) {
    &Apache::lonxml::debug("$src does not exist");
    if (&Apache::lonnet::repcopy($src) ne 'OK' ) {
       &Apache::lonxml::debug("Repcopy of $src failed (1)");
       #if replication failed try to find ps file
       $src=~s/\.eps$/\.ps/;
       &Apache::lonxml::debug("Now looking for $src");
       #if no ps file try to replicate it
       if (not -e $src &&
    &Apache::lonnet::repcopy($src) ne 'OK') {
    &Apache::lonxml::debug("Failed to find or replicate $src");
   
    #if replication failed try to produce eps file dynamically
    $src=~s/\.ps$/\.eps/;
    my $temp_file;
    open(FILE,">>/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.dat");
    my $newsrc=$orig_src;
    $newsrc =~ s|(.*)/res/|/home/httpd/html/res/|;
    &Apache::lonxml::debug("queueing $newsrc for dynamic eps production. <BR/>");
    print FILE "$newsrc\n";
    close FILE;
    $src=~s|/home/httpd/html/res|/home/httpd/prtspool|;
    $src=~s|/home/([^/]*)/public_html/|/home/httpd/prtspool/$1/|;
       }
    }
       }
       my ($path,$file)=($src=~m|(.*)/([^/]*)$|);
       &Apache::lonxml::debug("get_eps_image returning: $path / $file<BR />");
       return ($path.'/',$file);
   }
   
 sub eps_generation {  sub eps_generation {
     my ($src,$file,$width_param) = @_;           my ($src,$file,$width_param) = @_;     
     my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.dat";      my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.dat";
Removed from v.1.254  
changed lines
  Added in v.1.263

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