--- loncom/homework/imageresponse.pm	2003/11/11 00:25:24	1.41
+++ loncom/homework/imageresponse.pm	2003/11/11 00:39:33	1.42
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # image click response style
 #
-# $Id: imageresponse.pm,v 1.41 2003/11/11 00:25:24 albertel Exp $
+# $Id: imageresponse.pm,v 1.42 2003/11/11 00:39:33 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -104,7 +104,7 @@ sub whichfoils {
 }
 
 sub prep_image {
-    my ($image)=@_;
+    my ($image,$mode,$name)=@_;
     my $part=$Apache::inputtags::part;
     my $respid=$Apache::inputtags::response['-1'];
     my $id=&Apache::loncommon::get_cgi_id();
@@ -131,6 +131,20 @@ sub prep_image {
 	    join(':',(($x-$length),($y+$length),($x+$length),($y-$length),
 		      "FF0000",($width)));
     }
+    if ($mode eq 'answer') {
+	my $width = 1;
+	my $extrawidth = 2;
+	my @areas = @{ $Apache::response::foilgroup{"$name.area"} };
+	foreach my $area (@areas) {
+	    my ($x1,$y1,$x2,$y2)=
+		($area=~m/rectangle:\(([0-9]+),([0-9]+)\)\-\(([0-9]+),([0-9]+)\)/);
+	    my $i=$x{"cgi.$id.BOXCOUNT"}++;
+	    $x{"cgi.$id.BOX$i"}=join(':',($x1,$y1,$x2,$y2,"FFFFFF",
+					  ($width+$extrawidth)));
+	    $i=$x{"cgi.$id.BOXCOUNT"}++;
+	    $x{"cgi.$id.BOX$i"}=join(':',($x1,$y1,$x2,$y2,"00FF00",$width));
+	}
+    }
     &Apache::lonnet::appenv(%x);
     return $id;
 }
@@ -157,7 +171,7 @@ sub displayfoils {
 	    if ($target eq 'tex') {
 		$result.=$Apache::response::foilgroup{"$name.image"}."\\vskip 0 mm \n";
 	    } else {
-		my $token=&prep_image($image);
+		my $token=&prep_image($image,'answer',$name);
 		$result.="<img src=\"/adm/randomlabel.png?token=$token\" /><br />\n";
 	    }
 	} else {