Diff for /loncom/homework/imageresponse.pm between versions 1.58 and 1.76

version 1.58, 2004/12/08 01:00:41 version 1.76, 2006/03/09 01:37:39
Line 36  use Apache::randomlylabel(); Line 36  use Apache::randomlylabel();
 use Apache::londefdef();  use Apache::londefdef();
 use Apache::Constants qw(:common :http);  use Apache::Constants qw(:common :http);
 use Apache::lonlocal;  use Apache::lonlocal;
   use Apache::lonnet;
   
 BEGIN {  BEGIN {
     &Apache::lonxml::register('Apache::imageresponse',('imageresponse'));      &Apache::lonxml::register('Apache::imageresponse',('imageresponse'));
Line 62  sub start_imageresponse { Line 63  sub start_imageresponse {
   
 sub end_imageresponse {  sub end_imageresponse {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     &Apache::response::end_response;  
     pop @Apache::lonxml::namespace;      pop(@Apache::lonxml::namespace);
     &Apache::lonxml::deregister('Apache::imageresponse',('foilgroup','foil','text','image','rectangle','conceptgroup'));      &Apache::lonxml::deregister('Apache::imageresponse',('foilgroup','foil','text','image','rectangle','conceptgroup'));
   
     my $result;      my $result;
     if ($target eq 'edit') { $result=&Apache::edit::end_table(); }      if ($target eq 'edit') {
    $result=&Apache::edit::end_table();
       } elsif ($target eq 'tex') {
    $result=&Apache::inputtags::exam_score_line($target);
       }
   
     undef(%Apache::response::foilnames);      undef(%Apache::response::foilnames);
       
       if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || 
    $target eq 'tex' || $target eq 'analyze') {
    &Apache::lonxml::increment_counter(&Apache::response::repetition());
       }
       &Apache::response::end_response();
   
     return $result;      return $result;
 }  }
   
Line 120  sub prep_image { Line 134  sub prep_image {
     my ($x,$y)=split(/:/,$Apache::lonhomework::history{"resource.$part.$respid.submission"});      my ($x,$y)=split(/:/,$Apache::lonhomework::history{"resource.$part.$respid.submission"});
     #draws 2 xs on the image at the clicked location      #draws 2 xs on the image at the clicked location
     #one in white and then one in red on top of the one in white      #one in white and then one in red on top of the one in white
     if (defined($x) && $x=~/\S/ && defined($y) && $y =~/\S/ && !&Apache::response::show_answer()) {      if (defined($x)    && $x =~/\S/ 
    && defined($y) && $y =~/\S/ 
    && !&Apache::response::show_answer()
    && $mode ne 'answeronly') {
  my $length = 6;   my $length = 6;
  my $width = 1;   my $width = 1;
  my $extrawidth = 2;   my $extrawidth = 2;
Line 146  sub prep_image { Line 163  sub prep_image {
  $x{"cgi.$id.OBJ$i"}=join(':',(($xmin),($ymax),($xmax),($ymin),   $x{"cgi.$id.OBJ$i"}=join(':',(($xmin),($ymax),($xmax),($ymin),
       "FF0000",($width)));        "FF0000",($width)));
     }      }
     if ($mode eq 'answer') {      if ($mode eq 'answer' || $mode eq 'answeronly') {
  my $width = 1;   my $width = 1;
  my $extrawidth = 2;   my $extrawidth = 2;
  my @areas = @{ $Apache::response::foilgroup{"$name.area"} };   my @areas = @{ $Apache::response::foilgroup{"$name.area"} };
Line 215  sub displayfoils { Line 232  sub displayfoils {
     return $result;      return $result;
 }  }
   
   sub display_answers {
       my ($target,$whichopt)=@_;
   
       my $result;
       foreach my $name (@$whichopt) {
    my $image=$Apache::response::foilgroup{"$name.image"};
    &Apache::lonxml::debug("image is $image");
    if ( $target eq 'web' && $image !~ /^http:/ ) {
       $image = &clean_up_image($image);
    } 
    my $token=&prep_image($image,'answeronly',$name);
   
    $result.=&Apache::response::answer_header('imageresponse');
    $result.=&Apache::response::answer_part('imageresponse',"<img src=\"/adm/randomlabel.png?token=$token\" /><br />\n");
    $result.=&Apache::response::answer_footer('imageresponse');
       }
       return $result;
   }
   
 sub clean_up_image {  sub clean_up_image {
     my ($image)=@_;      my ($image)=@_;
     if ($image =~ /\s*<img\s*/) {      if ($image =~ /\s*<img\s*/) {
Line 227  sub clean_up_image { Line 263  sub clean_up_image {
  }   }
     } else {      } else {
  $image=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$image);   $image=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$image);
  if (&Apache::lonnet::repcopy($image) ne OK) {   &Apache::lonxml::debug("repcopying: $image");
    if (&Apache::lonnet::repcopy($image) ne 'ok') {
     $image='/home/httpd/html/adm/lonKaputt/lonlogo_broken.gif';      $image='/home/httpd/html/adm/lonKaputt/lonlogo_broken.gif';
  }   }
     }      }
Line 236  sub clean_up_image { Line 273  sub clean_up_image {
   
 sub gradefoils {  sub gradefoils {
     my (@whichopt) = @_;      my (@whichopt) = @_;
   
       my $partid = $Apache::inputtags::part;
       my $id     = $Apache::inputtags::response['-1'];
   
       if ($Apache::lonhomework::type eq 'exam') {
    &Apache::response::scored_response($partid,$id);
    return;
       }
       
     my $x;      my $x;
     my $y;      my $y;
     my $result;      my $result;
     my $id=$Apache::inputtags::response['-1'];  
     my $temp=1;      my $temp=1;
     foreach my $name (@whichopt) {      foreach my $name (@whichopt) {
  $x=$ENV{"form.HWVAL_$id:$temp.x"};   $x=$env{"form.HWVAL_$id:$temp.x"};
  $y=$ENV{"form.HWVAL_$id:$temp.y"};   $y=$env{"form.HWVAL_$id:$temp.y"};
  &Apache::lonxml::debug("Got a x of $x and a y of $y for $name");   &Apache::lonxml::debug("Got a x of $x and a y of $y for $name");
  if (defined($x) && defined($y) &&   if (defined($x) && defined($y) &&
     defined(@{ $Apache::response::foilgroup{"$name.area"} })) {      defined(@{ $Apache::response::foilgroup{"$name.area"} })) {
Line 270  sub gradefoils { Line 315  sub gradefoils {
     $temp++;      $temp++;
  }   }
     }      }
       my $responsestr="$x:$y";
       my $part=$Apache::inputtags::part;
       my %previous=&Apache::response::check_for_previous($responsestr,$part,$id);
     if ($result       if ($result 
  && $Apache::lonhomework::type eq 'survey') { $result='SUBMITTED'; }   && $Apache::lonhomework::type eq 'survey') { $result='SUBMITTED'; }
     $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}="$x:$y";      &Apache::response::handle_previous(\%previous,$result);
     $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}=$result;      $Apache::lonhomework::results{"resource.$part.$id.submission"}=$responsestr;
     return '';      $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$result;
       return;
 }  }
   
 sub end_foilgroup {  sub end_foilgroup {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result='';      my $result='';
     my @whichopt;      my @whichopt;
   
     if ($target eq 'web' || $target eq 'grade' || $target eq 'tex' ||      if ($target eq 'web' || $target eq 'grade' || $target eq 'tex' ||
  $target eq 'analyze') {   $target eq 'analyze' || $target eq 'answer') {
   
  my ($count,$max) = &getfoilcounts($parstack,$safeeval);   my ($count,$max) = &getfoilcounts($parstack,$safeeval);
  if ($count>$max) { $count=$max }   if ($count>$max) { $count=$max }
  &Apache::lonxml::debug("Count is $count from $max");   &Apache::lonxml::debug("Count is $count from $max");
   
  @whichopt = &whichfoils($max);   @whichopt = &whichfoils($max);
   
  if ($target eq 'web' || $target eq 'tex') {   if ($target eq 'web' || $target eq 'tex') {
     $result=&displayfoils($target,@whichopt);      $result=&displayfoils($target,@whichopt);
  } elsif ($target eq 'grade') {   } elsif ($target eq 'grade') {
     if ( defined $ENV{'form.submitted'}) { &gradefoils(@whichopt); }      if ( defined $env{'form.submitted'}) { &gradefoils(@whichopt); }
  } elsif ( $target eq 'analyze') {   } elsif ( $target eq 'analyze') {
     &Apache::response::analyze_store_foilgroup(\@whichopt,      &Apache::response::analyze_store_foilgroup(\@whichopt,
       ['text','image','area']);        ['text','image','area']);
    } elsif ($target eq 'answer'
    && $env{'form.answer_output_mode'} ne 'tex') {
       $result=&display_answers($target,\@whichopt);
  }   }
   
     } elsif ($target eq 'edit') {      } elsif ($target eq 'edit') {
  $result=&Apache::edit::end_table();   $result=&Apache::edit::end_table();
     }      }
Line 337  sub insert_foil { Line 394  sub insert_foil {
 $Apache::imageresponse::curname='';  $Apache::imageresponse::curname='';
 sub start_foil {  sub start_foil {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
       my $result;
     if ($target eq 'web' || $target eq 'grade' || $target eq 'tex' ||      if ($target eq 'web' || $target eq 'grade' || $target eq 'tex' ||
  $target eq 'analyze') {   $target eq 'analyze' || $target eq 'answer') {
  my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);   my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
  if ($name eq '') { $name=$Apache::lonxml::curdepth; }   if ($name eq "") {
       &Apache::lonxml::warning("Foils without names exist. This can cause problems to malfunction.");
       $name=$Apache::lonxml::curdepth;
    }
  if (defined($Apache::response::foilnames{$name})) {   if (defined($Apache::response::foilnames{$name})) {
     &Apache::lonxml::error(&mt("Foil name <b><tt>[_1]</tt></b> appears more than once. Foil names need to be unique.",$name));      &Apache::lonxml::error(&mt("Foil name <b><tt>[_1]</tt></b> appears more than once. Foil names need to be unique.",$name));
  }   }
Line 353  sub start_foil { Line 414  sub start_foil {
     push(@{ $Apache::response::foilgroup{'names'} }, $name);      push(@{ $Apache::response::foilgroup{'names'} }, $name);
  }   }
  $Apache::imageresponse::curname=$name;   $Apache::imageresponse::curname=$name;
     }      } elsif ($target eq 'edit') {
     return '';   $result  = &Apache::edit::tag_start($target,$token);
    $result .= &Apache::edit::text_arg('Name:','name',$token);
    $result .= &Apache::edit::end_row().
       &Apache::edit::start_spanning_row();
       } elsif ($target eq 'modified') {
    my $constructtag=&Apache::edit::get_new_args($token,$parstack,
        $safeeval,'name');
    if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
       } 
       return $result;;
 }  }
   
 sub end_foil {  sub end_foil {
Line 369  sub end_foil { Line 439  sub end_foil {
 sub start_text {  sub start_text {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result='';      my $result='';
     if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {       if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze'
    || $target eq 'answer') { 
  &Apache::lonxml::startredirection;    &Apache::lonxml::startredirection; 
     } elsif ($target eq 'edit') {      } elsif ($target eq 'edit') {
  my $descr=&Apache::lonxml::get_all_text('/text',$parser);   my $descr=&Apache::lonxml::get_all_text('/text',$parser,$style);
  $result=&Apache::edit::tag_start($target,$token,'Task Description').   $result=&Apache::edit::tag_start($target,$token,'Task Description').
     &Apache::edit::editfield($token->[1],$descr,'Text',60,2).      &Apache::edit::editfield($token->[1],$descr,'Text',60,2).
     &Apache::edit::end_row();      &Apache::edit::end_row();
Line 385  sub start_text { Line 456  sub start_text {
 sub end_text {  sub end_text {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result;      my $result;
     if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {      if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze'
    || $target eq 'answer') {
  my $name = $Apache::imageresponse::curname;   my $name = $Apache::imageresponse::curname;
  if ( $Apache::imageresponse::conceptgroup   if ( $Apache::imageresponse::conceptgroup
      #&& !&Apache::response::showallfoils()       #&& !&Apache::response::showallfoils()
Line 403  sub end_text { Line 475  sub end_text {
 sub start_image {  sub start_image {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result='';      my $result='';
     if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {       if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze'
    || $target eq 'answer') { 
  &Apache::lonxml::startredirection;    &Apache::lonxml::startredirection; 
     } elsif ($target eq 'edit') {      } elsif ($target eq 'edit') {
  my $bgimg=&Apache::lonxml::get_all_text('/image',$parser);   my $bgimg=&Apache::lonxml::get_all_text('/image',$parser,$style);
  $Apache::edit::bgimgsrc=$bgimg;   $Apache::edit::bgimgsrc=$bgimg;
  $Apache::edit::bgimgsrcdepth=$Apache::lonxml::curdepth;   $Apache::edit::bgimgsrcdepth=$Apache::lonxml::curdepth;
   
Line 425  sub end_image { Line 498  sub end_image {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result;      my $result;
     my $name = $Apache::imageresponse::curname;      my $name = $Apache::imageresponse::curname;
     if ($target eq 'web') {      if ($target eq 'web' || $target eq 'answer') {
  my $image = &Apache::lonxml::endredirection;   my $image = &Apache::lonxml::endredirection();
  &Apache::lonxml::debug("original image is $image");   &Apache::lonxml::debug("original image is $image");
  if ( $Apache::imageresponse::conceptgroup   if ( $Apache::imageresponse::conceptgroup
      #&& !&Apache::response::showallfoils()       #&& !&Apache::response::showallfoils()
Line 436  sub end_image { Line 509  sub end_image {
     $Apache::response::foilgroup{"$name.image"} = $image;      $Apache::response::foilgroup{"$name.image"} = $image;
  }   }
     } elsif ($target eq 'analyze') {      } elsif ($target eq 'analyze') {
  my $image = &Apache::lonxml::endredirection;   my $image = &Apache::lonxml::endredirection();
  if ( $Apache::imageresponse::conceptgroup   if ( $Apache::imageresponse::conceptgroup
      #&& !&Apache::response::showallfoils()       #&& !&Apache::response::showallfoils()
      ) {       ) {
Line 447  sub end_image { Line 520  sub end_image {
     } elsif ($target eq 'edit') {      } elsif ($target eq 'edit') {
  $result=&Apache::edit::end_table();   $result=&Apache::edit::end_table();
     } elsif ($target eq 'tex') {      } elsif ($target eq 'tex') {
  my $src = &Apache::lonxml::endredirection;   my $src = &Apache::lonxml::endredirection();
  $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);  
  my $width_param = '';   #  There may be all sorts of whitespace on fore and aft:
  my $height_param = '';  
  my $scaling = .3;   $src =~ s/\s+$//s;
  my $image = Image::Magick->new;   $src =~ s/^\s+//s;
  my $current_figure = $image->Read($src);  
  $width_param = $image->Get('width') * $scaling;;   #
  $height_param = $image->Get('height') * $scaling;;   #  Gnuplot e.g. just generates the latex to put inplace.
  undef $image;   #
  my $epssrc = $src;   my $graphinclude;
  $epssrc =~ s/(\.gif|\.jpg)$/\.eps/i;   if ($src =~ /^%DYNAMICIMAGE/) {
  if (not -e $epssrc) {      # This is needed because the newline is not always passed -> tex.
     my $localfile = $epssrc;      # At present we don't care about the sizing info.
     $localfile =~ s/.*(\/res)/$1/;  
     my $file;      my ($commentline, $restofstuff) = split(/\n/, $src);
     my $path;      $graphinclude = $src;
     if ($localfile =~ m!(.*)/([^/]*)$!) {      $graphinclude =~ s/^$commentline//;
  $file = $2;  
  $path = $1.'/';   
     }  
     my $signal_eps = 0;  
     my @content_directory = &Apache::lonnet::dirlist($path);  
     for (my $iy=0;$iy<=$#content_directory;$iy++) {  
  my @tempo_array = split(/&/,$content_directory[$iy]);  
  $content_directory[$iy] = $tempo_array[0];  
  if ($file eq $tempo_array[0]) {  
     $signal_eps = 1;  
     last;  
  }  
     }  
     if ($signal_eps) {  
  my $eps_file = &Apache::lonnet::getfile($localfile);  
     } else {  
  $localfile = $src;  
  $localfile =~ s/.*(\/res)/$1/;  
  my $as = &Apache::lonnet::getfile($src);        
     }  
  }  
  my $file;  
  my $path;  
  if ($src =~ m!(.*)/([^/]*)$!) {  
     $file = $2;  
     $path = $1.'/';   
  }  
  my $newsrc = $src;  
  $newsrc =~ s/(\.gif|\.jpg|\.jpeg)$/\.eps/i;  
  $file=~s/(\.gif|\.jpg|\.jpeg)$/\.eps/i;  
  #do we have any specified size of the picture?  
  my $TeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval);   
  my $TeXheight = &Apache::lonxml::get_param('TeXheight',$parstack,$safeeval);   
  my $width = &Apache::lonxml::get_param('width',$parstack,$safeeval);  
  if ($TeXwidth ne '') {   
     $width_param = $TeXwidth;   
  } elsif ($TeXheight ne '') {   
     $width_param = $TeXheight/$height_param*$width_param;  
  } elsif ($width ne '') {  
     $width_param = $width*$scaling;        
  }  
  $width_param=&Apache::randomlabel::adjust_textwidth($width_param);  
  #where can we find the picture?  
  if (-e $newsrc) {  
     if ($path) {  
  $Apache::response::foilgroup{"$name.image"} ='\vskip 0 mm \noindent\graphicspath{{'.$path.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';  
     }  
  } else {   } else {
     #care about eps dynamical generation      my ($path,$file) = &Apache::londefdef::get_eps_image($src);
     $Apache::response::foilgroup{"$name.image"}='\vskip 0 mm '.&Apache::londefdef::eps_generation($src,$file,$width_param);      my ($height_param,$width_param)=
    &Apache::londefdef::image_size($src,0.3,$parstack,$safeeval);
       $graphinclude = '\graphicspath{{'.$path.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'}';
  }   }
    $Apache::response::foilgroup{"$name.image"} ='\vskip 0 mm \noindent '.$graphinclude;
     }       } 
     return $result;      return $result;
 }  }
Line 524  sub start_rectangle { Line 553  sub start_rectangle {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result='';      my $result='';
     if ($target eq 'web' || $target eq 'grade' || $target eq 'tex' ||      if ($target eq 'web' || $target eq 'grade' || $target eq 'tex' ||
  $target eq 'analyze') {    $target eq 'analyze' || $target eq 'answer') { 
  &Apache::lonxml::startredirection;    &Apache::lonxml::startredirection; 
     } elsif ($target eq 'edit') {      } elsif ($target eq 'edit') {
  my $coords=&Apache::lonxml::get_all_text('/rectangle',$parser);   my $coords=&Apache::lonxml::get_all_text('/rectangle',$parser,$style);
  $result=&Apache::edit::tag_start($target,$token,'Rectangle').   $result=&Apache::edit::tag_start($target,$token,'Rectangle').
     &Apache::edit::editline($token->[1],$coords,'Coordinate Pairs',40).      &Apache::edit::editline($token->[1],$coords,'Coordinate Pairs',40).
     &Apache::edit::entercoord(undef,'textnode',undef,undef,'box').      &Apache::edit::entercoord(undef,'textnode',undef,undef,'box').
Line 556  sub end_rectangle { Line 585  sub end_rectangle {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result;      my $result;
     if ($target eq 'web' || $target eq 'grade' || $target eq 'tex' ||      if ($target eq 'web' || $target eq 'grade' || $target eq 'tex' ||
  $target eq 'analyze') {   $target eq 'analyze' || $target eq 'answer') {
  my $name = $Apache::imageresponse::curname;   my $name = $Apache::imageresponse::curname;
  my $area = &Apache::lonxml::endredirection;   my $area = &Apache::lonxml::endredirection;
  $area=~s/\s//g;   $area=~s/\s//g;
Line 578  sub start_polygon { Line 607  sub start_polygon {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result='';      my $result='';
     if ($target eq 'web' || $target eq 'grade' || $target eq 'tex' ||      if ($target eq 'web' || $target eq 'grade' || $target eq 'tex' ||
  $target eq 'analyze') {    $target eq 'analyze' || $target eq 'answer') { 
  &Apache::lonxml::startredirection;    &Apache::lonxml::startredirection; 
     } elsif ($target eq 'edit') {      } elsif ($target eq 'edit') {
  my $coords=&Apache::lonxml::get_all_text('/polygon',$parser);   my $coords=&Apache::lonxml::get_all_text('/polygon',$parser,$style);
  $result=&Apache::edit::tag_start($target,$token,'Polygon').   $result=&Apache::edit::tag_start($target,$token,'Polygon').
     &Apache::edit::editline($token->[1],$coords,'Coordinate list',40).      &Apache::edit::editline($token->[1],$coords,'Coordinate list',40).
     &Apache::edit::entercoord(undef,'textnode',undef,undef,'polygon').      &Apache::edit::entercoord(undef,'textnode',undef,undef,'polygon').
Line 637  sub end_polygon { Line 666  sub end_polygon {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result;      my $result;
     if ($target eq 'web' || $target eq 'grade' || $target eq 'tex' ||      if ($target eq 'web' || $target eq 'grade' || $target eq 'tex' ||
  $target eq 'analyze') {   $target eq 'analyze' || $target eq 'answer') {
  my $name = $Apache::imageresponse::curname;   my $name = $Apache::imageresponse::curname;
  my $area = &Apache::lonxml::endredirection;   my $area = &Apache::lonxml::endredirection;
  $area=~s/\s*//g;   $area=~s/\s*//g;

Removed from v.1.58  
changed lines
  Added in v.1.76


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