--- loncom/homework/randomlabel.pm	2002/03/06 20:41:17	1.16
+++ loncom/homework/randomlabel.pm	2002/03/22 22:00:55	1.20
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # random labelling tool
 #
-# $Id: randomlabel.pm,v 1.16 2002/03/06 20:41:17 sakharuk Exp $
+# $Id: randomlabel.pm,v 1.20 2002/03/22 22:00:55 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -69,7 +69,7 @@ sub start_randomlabel {
   my $result='';
   $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
     '/res/adm/includes/GLabel.class';
-
+  push (@Apache::lonxml::namespace,'randomlabel');
   my $bgimg= &Apache::lonxml::get_param('bgimg',$parstack,$safeeval);
 
   if ( $bgimg !~ /^http:/ ) {
@@ -86,7 +86,6 @@ sub start_randomlabel {
   my $codebase = &Apache::lonxml::get_param('codebase',$parstack,$safeeval);
   my $w= &Apache::lonxml::get_param('width',$parstack,$safeeval);
   my $h= &Apache::lonxml::get_param('height',$parstack,$safeeval);
-  $Apache::randomlabel::ratio = $h/$w;
   my $texwidth= &Apache::lonxml::get_param('texwidth',$parstack,$safeeval);
   if (!$code) { $code='GLabel.class'; }
   if (!$codebase) { $codebase='/res/adm/includes/'; }
@@ -102,8 +101,9 @@ sub start_randomlabel {
     $bgimg.'}\setlength{\unitlength}{1mm}  \begin{picture}('.$texwidth.','.$texwidth*$h/$w.')'
   } elsif ($target eq 'edit') {
     $result.=&Apache::edit::tag_start($target,$token);
-    $result.=&Apache::edit::text_arg('Image:','bgimg',$token,75);
-    $result.=&Apache::edit::browse('bgimg').'<br />'.
+    $result.=&Apache::edit::text_arg('Image:','bgimg',$token,75).' ';
+    $result.=&Apache::edit::browse('bgimg').' ';
+    $result.=&Apache::edit::search('bgimg').'<br />'.
         &Apache::edit::text_arg('Width(pixel):' ,'width'   ,$token,6).
         &Apache::edit::text_arg('Height(pixel):','height'  ,$token,6).
         &Apache::edit::text_arg('TeXWidth(mm):' ,'texwidth',$token,6).
@@ -251,7 +251,8 @@ sub end_labelgroup {
 #      my $tcX=$x*($texwidth/$wwidth) - $texwidth;
       my $tcX=$x*($texwidth/$wwidth);
 #      my $tcY=$TY1-$y*($TY1/$wheight)-2;
-      my $tcY=$TY1-$y*($TY1/$wheight)+$texwidth*$Apache::randomlabel::ratio;
+      my $ratio=($wwidth > 0 ? $wheight/$wwidth : 1 );
+      my $tcY=$TY1-$y*($TY1/$wheight)+$texwidth*$ratio;
       $tcX=sprintf('%.2f',$tcX);
       $tcY=sprintf('%.2f',$tcY);
       $result.='\put('.$tcX.','.$tcY.'){\normalsize \bf '.$label.'}'."\n";