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Diff for /loncom/homework/randomlabel.pm between versions 1.82 and 1.91

version 1.82, 2006/05/30 12:45:37 version 1.91, 2008/03/12 02:46:53
Line 61  use Apache::File(); Line 61  use Apache::File();
 use Apache::Constants qw(:common :http);  use Apache::Constants qw(:common :http);
 use Image::Magick;  use Image::Magick;
 use Apache::lonplot;  use Apache::lonplot;
 use lib '/home/httpd/lib/perl/';  
 use LONCAPA;  use LONCAPA;
     
   
Line 70  my $cgi_id; Line 69  my $cgi_id;
 my $scale_factor; # image scale factor.  my $scale_factor; # image scale factor.
 my $label_xscale;                # Label scale factor (needed for gnuplot).  my $label_xscale;                # Label scale factor (needed for gnuplot).
 my $label_yscale;  my $label_yscale;
   my $dirty_width_adjust = 5;     # Width adjustment for e.g. gnuplot images.
   
 BEGIN {  BEGIN {
     &Apache::lonxml::register('Apache::randomlabel',('randomlabel','labelgroup','location','label','bgimg'));      &Apache::lonxml::register('Apache::randomlabel',('randomlabel','labelgroup','location','label','bgimg'));
Line 147  sub start_randomlabel { Line 146  sub start_randomlabel {
     } elsif ($target eq 'tex' && defined($bgimg)) {      } elsif ($target eq 'tex' && defined($bgimg)) {
  $result.=&make_eps_image($bgimg,$parstack,$safeeval);   $result.=&make_eps_image($bgimg,$parstack,$safeeval);
     } elsif ($target eq 'edit') {      } elsif ($target eq 'edit') {
           my $only = join(',',&Apache::loncommon::filecategorytypes('Pictures'));
  $result.=&Apache::edit::tag_start($target,$token);   $result.=&Apache::edit::tag_start($target,$token);
  $Apache::edit::bgimgsrc=   $Apache::edit::bgimgsrc=
     &Apache::lonxml::get_param('bgimg',$parstack,$safeeval);      &Apache::lonxml::get_param('bgimg',$parstack,$safeeval);
  $Apache::edit::bgimgsrccurdepth=$Apache::lonxml::curdepth;   $Apache::edit::bgimgsrccurdepth=$Apache::lonxml::curdepth;
  $result.=&Apache::edit::text_arg('Image:','bgimg',$token,75).' ';   $result.=&Apache::edit::text_arg('Image:','bgimg',$token,75).' ';
  $result.=&Apache::edit::browse('bgimg').' ';   $result.=&Apache::edit::browse('bgimg',undef,undef,$only).' ';
  $result.=&Apache::edit::search('bgimg').'<br />'.   $result.=&Apache::edit::search('bgimg').'<br />'.
     &Apache::edit::text_arg('Width(pixel):' ,'width'   ,$token,6).      &Apache::edit::text_arg('Width(pixel):' ,'width'   ,$token,6).
     &Apache::edit::text_arg('Height(pixel):','height'  ,$token,6).      &Apache::edit::text_arg('Height(pixel):','height'  ,$token,6).
Line 164  sub start_randomlabel { Line 164  sub start_randomlabel {
      'height','texwidth');       'height','texwidth');
  if ($constructtag) {   if ($constructtag) {
     $result = &Apache::edit::rebuild_tag($token);      $result = &Apache::edit::rebuild_tag($token);
     $result.=&Apache::edit::handle_insert();  
  }   }
     }      }
     return $result;      return $result;
Line 179  sub end_randomlabel { Line 178  sub end_randomlabel {
  $count = $Apache::randomlabel::obj_cnt;   $count = $Apache::randomlabel::obj_cnt;
  if( $count != 0) { $args{"cgi.$cgi_id.OBJCOUNT"}=$count; }   if( $count != 0) { $args{"cgi.$cgi_id.OBJCOUNT"}=$count; }
  $result.='<img src="/adm/randomlabel.png?token='.$cgi_id.'" /><br />'."\n";   $result.='<img src="/adm/randomlabel.png?token='.$cgi_id.'" /><br />'."\n";
  &Apache::lonnet::appenv(%args);   &Apache::lonnet::appenv(\%args);
     } elsif ($target eq 'tex') {      } elsif ($target eq 'tex') {
  $result='\end{picture}\\\\';   $result='\end{picture}\\\\';
  $result.= ' \vskip -'.$height_param.' mm }  \\\\ ';   $result.= ' \vskip -'.$height_param.' mm }  \\\\ ';
Line 268  sub end_bgimg { Line 267  sub end_bgimg {
  &Apache::lonxml::debug("height $height_param");   &Apache::lonxml::debug("height $height_param");
  &Apache::lonxml::debug("Width $width_param");   &Apache::lonxml::debug("Width $width_param");
  &Apache::lonxml::debug("Scale factors: $label_xscale $label_yscale");   &Apache::lonxml::debug("Scale factors: $label_xscale $label_yscale");
  my $dirty_width = $width_param + 5;   my $dirty_width = $width_param + $dirty_width_adjust;
    my $x_offset    = -$dirty_width_adjust/2.0;
    #
    #  Somewhere here it looks like height_param and
    #  width_param got backwards...
    #
  $result .= '\parbox{'.$dirty_width.'mm}{';   $result .= '\parbox{'.$dirty_width.'mm}{';
  $result  .= " $src \n";   $result  .= " $src \n";
  $result  .= '\setlength{\unitlength}{1mm}'."\n";   $result  .= '\setlength{\unitlength}{1mm}'."\n";
  $result  .= '\begin{picture}('."$height_param,$width_param)";   $result  .= '\begin{picture}('."$width_param,$height_param)";
  $result  .= "(0,-$height_param)";   $result  .= "($x_offset,-$height_param)";
  $result  .= "\n";   $result  .= "\n";
  $Apache::lonxml::debug = 0;   $Apache::lonxml::debug = 0;
   
Line 296  sub make_eps_image { Line 300  sub make_eps_image {
     &Apache::lonxml::debug("Image size: $height_param x $width_param");      &Apache::lonxml::debug("Image size: $height_param x $width_param");
   
     my $dirtywidth=$width_param+5;      my $dirtywidth=$width_param+5;
   
     my $result ="\n".'\vspace*{2mm}\noindent'."\n".      my $result ="\n".'\vspace*{2mm}\noindent'."\n".
  '\parbox{'.$dirtywidth.   '\parbox{'.$dirtywidth.
  ' mm}{  \noindent \epsfxsize='.$width_param.   ' mm}{  \noindent \epsfxsize='.$width_param.
Line 348  sub start_labelgroup { Line 353  sub start_labelgroup {
      'TeXsize');       'TeXsize');
  if ($constructtag) {   if ($constructtag) {
     $result = &Apache::edit::rebuild_tag($token);      $result = &Apache::edit::rebuild_tag($token);
     $result.=&Apache::edit::handle_insert();  
  }   }
     }      }
     return $result;      return $result;
Line 482  sub end_labelgroup { Line 486  sub end_labelgroup {
     } elsif ( $type eq 'image') {      } elsif ( $type eq 'image') {
  my ($path,$file) = &Apache::londefdef::get_eps_image($label);   my ($path,$file) = &Apache::londefdef::get_eps_image($label);
  my $image_name = $path.$file;   my $image_name = $path.$file;
    #
    #  Note that spaces in e.. \includegraphics cause problems for Latex
    # so they get replaced by _'s by lonprintout/printout and us:
    #
  my $label_width = &get_label_width($label);   my $label_width = &get_label_width($label);
   
  $result .=  '\includegraphics[width='.$label_width.'mm]{'   $result .=  '\includegraphics[width='.$label_width.'mm]{'
Line 530  sub start_location { Line 538  sub start_location {
     $safeeval,'x','y','value');      $safeeval,'x','y','value');
  if ($constructtag) {   if ($constructtag) {
     $result = &Apache::edit::rebuild_tag($token);      $result = &Apache::edit::rebuild_tag($token);
     $result.=&Apache::edit::handle_insert();  
  }   }
     }      }
     $Apache::lonxml::debug = 0;      $Apache::lonxml::debug = 0;
Line 545  sub end_location { Line 552  sub end_location {
 }  }
   
 # <label>$var_abc</label>  # <label>$var_abc</label>
   sub insert_label {
       my ($after) = @_;
       my $depth = scalar(@Apache::lonxml::depthcounter);
       $depth-- if ($after);
       my $inset = "\t"x$depth;
       return "\n$inset<label></label>";
   }
   
 sub start_label {  sub start_label {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result='';      my $result='';
Removed from v.1.82  
changed lines
  Added in v.1.91

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