--- loncom/homework/imageresponse.pm	2001/08/06 17:37:12	1.10
+++ loncom/homework/imageresponse.pm	2003/10/27 20:04:34	1.38
@@ -1,121 +1,158 @@
-# The LON-CAPA image response handler
-# 
-# Image click response style
+# The LearningOnline Network with CAPA
+# image click response style
 #
-# YEAR=2001
-# 2/7,2/9,2/22,3/1,5/4,5/15,5/31,6/2,6/26 Guy Albertelli
-# 8/6 Scott Harrison
-
-#FIXME assumes multiple possible submissions but only one is possible currently
+# $Id: imageresponse.pm,v 1.38 2003/10/27 20:04:34 albertel Exp $
+#
+# Copyright Michigan State University Board of Trustees
+#
+# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
+#
+# LON-CAPA is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# LON-CAPA is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with LON-CAPA; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+# /home/httpd/html/adm/gpl.txt
+#
+# http://www.lon-capa.org/
+#
+#FIXME LATER assumes multiple possible submissions but only one is possible 
+#currently
 
 package Apache::imageresponse;
+use Apache::randomlylabel;
 use strict;
+use Image::Magick;
+use GD;
 
-# ======================================================================= BEGIN
-sub BEGIN {
+BEGIN {
     &Apache::lonxml::register('Apache::imageresponse',('imageresponse'));
 }
 
-# ======================================================== Start image response
 sub start_imageresponse {
-    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
+    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+    my $result;
     #when in a radiobutton response use these
-    &Apache::lonxml::register('Apache::imageresponse',('foilgroup','foil',
-						       'text','image',
-						       'rectangle',
-						       'conceptgroup'));
+    &Apache::lonxml::register('Apache::imageresponse',('foilgroup','foil','text','image','rectangle','conceptgroup'));
     push (@Apache::lonxml::namespace,'imageresponse');
     my $id = &Apache::response::start_response($parstack,$safeeval);
-    return '';
+    if ($target eq 'meta') {
+	$result=&Apache::response::meta_package_write('imageresponse');
+    } elsif ($target eq 'analyze') {
+	my $part_id="$Apache::inputtags::part.$id";
+	push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
+    }
+    return $result;
 }
 
-# ========================================================== End image response
 sub end_imageresponse {
+    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     &Apache::response::end_response;
     pop @Apache::lonxml::namespace;
-    return '';
+    &Apache::lonxml::deregister('Apache::imageresponse',('foilgroup','foil','text','image','rectangle','conceptgroup'));
+    my $result;
+    if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
+    return $result;
 }
 
-%Apache::response::foilgroup = {};
-# ============================================================ Start foil group
+%Apache::response::foilgroup=();
 sub start_foilgroup {
-    %Apache::response::foilgroup = {};
-    $Apache::imageresponse::conceptgroup = 0;
+    %Apache::response::foilgroup=();
+    $Apache::imageresponse::conceptgroup=0;
     &Apache::response::setrandomnumber();
     return '';
 }
 
-# =================================== Get foil counts (returns 2 element array)
 sub getfoilcounts {
-    my ($parstack,$safeeval) = @_;
+    my ($parstack,$safeeval)=@_;
+
     my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
     # +1 since instructors will count from 1
     my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
+    if (&Apache::response::showallfoils()) { $max=$count; }
     return ($count,$max);
 }
 
-# ============================================== Which foils (returns an array)
 sub whichfoils {
-    my ($max) = @_;
+    my ($max)=@_;
     if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; }
     my @names = @{ $Apache::response::foilgroup{'names'} };
     my @whichopt =();
     while ((($#whichopt+1) < $max) && ($#names > -1)) {
 	&Apache::lonxml::debug("Have $#whichopt max is $max");
-	my $aopt = int(rand($#names+1));
+	my $aopt;
+	if (&Apache::response::showallfoils()) {
+	    $aopt=0;
+	} else {
+	    $aopt=int(&Math::Random::random_uniform() * ($#names+1));
+	}
 	&Apache::lonxml::debug("From $#names elms, picking $aopt");
-	$aopt = splice(@names,$aopt,1);
+	$aopt=splice(@names,$aopt,1);
 	&Apache::lonxml::debug("Picked $aopt");
 	push (@whichopt,$aopt);
     }
     return @whichopt;
 }
 
-# ======================================= Display foils (returns scalar string)
 sub displayfoils {
-    my (@whichopt) = @_;
+    my ($target,@whichopt) = @_;
     my $result ='';
     my $name;
-    my $temp = 1;
+    my $temp=1;
     foreach $name (@whichopt) {
-	$result .= $Apache::response::foilgroup{"$name.text"}."<br />\n";
-	my $image = $Apache::response::foilgroup{"$name.image"};
-	if ($Apache::lonhomework::history{'resource.'.
-					  $Apache::inputtags::part.
-					  '.solved'} =~ /^correct/) {
-	    $result .= "<img src=\"$image\"/> <br />\n";
+	$result.=$Apache::response::foilgroup{"$name.text"};
+	&Apache::lonxml::debug("Text is $result");
+	if ($target eq 'tex') {$result.="\\vskip 0 mm \n";} else {$result.="<br />\n";}
+	my $image=$Apache::response::foilgroup{"$name.image"};
+	&Apache::lonxml::debug("image is $image");
+	if ( &Apache::response::show_answer() ) {
+	    if ($target eq 'tex') {
+		$result.=$Apache::response::foilgroup{"$name.image"}."\\vskip 0 mm \n";
+	    } else {
+		$result.="<img src=\"$image\"/> <br />\n";
+	    }
 	} else {
-	    $result .= "<input type=\"image\" name=\"HWVAL_".
-		       $Apache::inputtags::response['-1'].
-		       ":$temp\" src=\"$image\"/> <br />\n";
+	    if ($target eq 'tex') {
+		$result.=$Apache::response::foilgroup{"$name.image"}."\\vskip 0 mm \n";
+	    } else {
+		$result.="<input type=\"image\" name=\"HWVAL_$Apache::inputtags::response['-1']:$temp\" src=\"$image\"/> <br />\n";
+	    }
 	}
 	$temp++;
     }
     return $result;
 }
 
-# ================================================================= Grade foils
 sub gradefoils {
     my (@whichopt) = @_;
-    my $result = '';
     my $x;
     my $y;
     my $result;
-    my $id = $Apache::inputtags::response['-1'];
-    my $temp = 1;
+    my $id=$Apache::inputtags::response['-1'];
+    my $temp=1;
     foreach my $name (@whichopt) {
-	$x = $ENV{"form.HWVAL_$id:$temp.x"};
-	$y = $ENV{"form.HWVAL_$id:$temp.y"};
+	$x=$ENV{"form.HWVAL_$id:$temp.x"};
+	$y=$ENV{"form.HWVAL_$id:$temp.y"};
 	&Apache::lonxml::debug("Got a x of $x and a y of $y for $name");
-	if (defined(@{ $Apache::response::foilgroup{"$name.area"} })) {
+	if (defined($x) && defined($y) &&
+	    defined(@{ $Apache::response::foilgroup{"$name.area"} })) {
 	    my @areas = @{ $Apache::response::foilgroup{"$name.area"} };
-	    my $grade = "INCORRECT";
+	    my $grade="INCORRECT";
 	    foreach my $area (@areas) {
 		&Apache::lonxml::debug("Area is $area for $name");
 		$area =~ m/([a-z]*):/;
 		&Apache::lonxml::debug("Area of type $1");
 		if ($1 eq 'rectangle') {
-		    $grade = &grade_rectangle($area,$x,$y);
+		    $grade=&grade_rectangle($area,$x,$y);
 		} else {
 		    &Apache::lonxml::error("Unknown area style $area");
 		}
@@ -123,86 +160,82 @@ sub gradefoils {
 		if ($grade eq 'APPROX_ANS') { last; }
 	    }
 	    &Apache::lonxml::debug("Foil was $grade");
-	    if ($grade eq 'INCORRECT') { $result = 'INCORRECT'; }
-	    if (($grade eq 'APPROX_ANS') && ($result ne 'APPROX_ANS')) {
-		$result = $grade; }
+	    if ($grade eq 'INCORRECT') { $result= 'INCORRECT'; }
+	    if (($grade eq 'APPROX_ANS') && ($result ne 'APPROX_ANS')) { $result=$grade; }
 	    &Apache::lonxml::debug("Question is $result");
 	    $temp++;
 	}
     }
-    $Apache::lonhomework::results{'resource.'.
-				  $Apache::inputtags::part.
-				  ".$id.submission"} = "$x:$y";
-    $Apache::lonhomework::results{'resource.'.
-				  $Apache::inputtags::part.
-				  ".$id.awarddetail"} = $result;
+    $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}="$x:$y";
+    $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}=$result;
     return '';
 }
 
-# ======================================= End foil group (return scalar string)
 sub end_foilgroup {
-    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
-    my $result = '';
+    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+    my $result='';
     my @whichopt;
-    if ($target eq 'web' || $target eq 'grade') {
+    if ($target eq 'web' || $target eq 'grade' || $target eq 'tex' ||
+	$target eq 'analyze') {
 	my ($count,$max) = &getfoilcounts($parstack,$safeeval);
-	if ($count > $max) { $count = $max }
+	if ($count>$max) { $count=$max }
 	&Apache::lonxml::debug("Count is $count from $max");
 	@whichopt = &whichfoils($max);
-    }
-    if ($target eq 'web') {
-	$result = &displayfoils(@whichopt);
-    }
-    if ($target eq 'grade') {
-	if ( defined $ENV{'form.submitted'}) {
-	    &gradefoils(@whichopt);
+	if ($target eq 'web' || $target eq 'tex') {
+	    $result=&displayfoils($target,@whichopt);
+	} elsif ($target eq 'grade') {
+	    if ( defined $ENV{'form.submitted'}) { &gradefoils(@whichopt); }
+	} elsif ( $target eq 'analyze') {
+	    &Apache::response::analyze_store_foilgroup(\@whichopt,
+						      ['text','image','area']);
 	}
+    } elsif ($target eq 'edit') {
+	$result=&Apache::edit::end_table();
     }
     return $result;
 }
 
-# ========================================================= Start concept group
 sub start_conceptgroup {
-    $Apache::imageresponse::conceptgroup = 1;
-    %Apache::response::conceptgroup = {};
+    $Apache::imageresponse::conceptgroup=1;
+    %Apache::response::conceptgroup=();
     return '';
 }
 
-# =========================================================== End concept group
 sub end_conceptgroup {
-    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
-    $Apache::imageresponse::conceptgroup = 0;  
-    if ($target eq 'web' || $target eq 'grade') {
-	if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
-	    my @names = @{ $Apache::response::conceptgroup{'names'} };
-	    my $pick = int(rand($#names+1));
-	    my $name = $names[$pick];
-	    if (defined(@{ $Apache::response::conceptgroup{"$name.area"} })) {
-		push @{ $Apache::response::foilgroup{'names'} }, $name;
-		$Apache::response::foilgroup{"$name.text"} =
-                                 $Apache::response::conceptgroup{"$name.text"};
-		$Apache::response::foilgroup{"$name.image"} =
-		                $Apache::response::conceptgroup{"$name.image"};
-		push(@{ $Apache::response::foilgroup{"$name.area"} },
-		     @{ $Apache::response::conceptgroup{"$name.area"} });
-		my $concept = &Apache::lonxml::get_param('concept',$parstack,
-							 $safeeval);
-		$Apache::response::foilgroup{"$name.concept"} = $concept;
-		&Apache::lonxml::debug("Selecting $name in $concept");
-	    }
-	}
+    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+    $Apache::imageresponse::conceptgroup=0;
+    my $result;
+    if ($target eq 'web' || $target eq 'grade' || $target eq 'tex' ||
+	$target eq 'analyze') {
+	&Apache::response::pick_foil_for_concept($target,
+						 ['area','text','image'],
+						 \%Apache::hint::image,
+						 $parstack,$safeeval);
+    } elsif ($target eq 'edit') {
+	$result=&Apache::edit::end_table();
     }
-    return '';
+    return $result;
 }
 
-$Apache::imageresponse::curname = '';
-# ================================================================== Start foil
+sub insert_foil {
+    return '
+       <foil>
+           <image></image>
+           <text></text>
+           <rectangle></rectangle>
+       </foil>
+';
+}
+
+$Apache::imageresponse::curname='';
 sub start_foil {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
-    if ($target eq 'web' || $target eq 'grade') {
+    if ($target eq 'web' || $target eq 'grade' || $target eq 'tex' ||
+	$target eq 'analyze') {
 	my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
 	if ($name eq '') { $name=$Apache::lonxml::curdepth; }
-	if ( $Apache::imageresponse::conceptgroup ) {
+	if ( $Apache::imageresponse::conceptgroup
+	     && !&Apache::response::showallfoils()) {
 	    push(@{ $Apache::response::conceptgroup{'names'} }, $name);
 	} else {
 	    push(@{ $Apache::response::foilgroup{'names'} }, $name);
@@ -212,102 +245,258 @@ sub start_foil {
     return '';
 }
 
-# ==================================================================== End foil
 sub end_foil {
-    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
-    return '';
+    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+    my $result;
+    if ($target eq 'edit') {
+	$result=&Apache::edit::end_table();
+    }
+    return $result;
 }
 
-# ================================================================== Start text
 sub start_text {
-    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
-    if ($target eq 'web') { &Apache::lonxml::startredirection; }
-    return '';
+    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+    my $result='';
+    if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') { 
+	&Apache::lonxml::startredirection; 
+    } elsif ($target eq 'edit') {
+	my $descr=&Apache::lonxml::get_all_text('/text',$parser);
+	$result=&Apache::edit::tag_start($target,$token,'Task Description').
+	    &Apache::edit::editfield($token->[1],$descr,'Text',60,2).
+	    &Apache::edit::end_row();
+    } elsif ($target eq "modified") {
+	my $descr=&Apache::lonxml::get_all_text('/text',$parser);
+	$result=$token->[4].&Apache::edit::modifiedfield($token);
+	&Apache::lonxml::debug($result);
+    }
+    return $result;
 }
 
-# ==================================================================== End text
 sub end_text {
-    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
-    if ($target eq 'web') {
+    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+    my $result;
+    if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
 	my $name = $Apache::imageresponse::curname;
-	if ( $Apache::imageresponse::conceptgroup ) {
-	    $Apache::response::conceptgroup{"$name.text"} = 
-		                               &Apache::lonxml::endredirection;
+	if ( $Apache::imageresponse::conceptgroup
+	     && !&Apache::response::showallfoils() ) {
+	    $Apache::response::conceptgroup{"$name.text"} = &Apache::lonxml::endredirection;
 	} else {
-	    $Apache::response::foilgroup{"$name.text"} = 
-		                               &Apache::lonxml::endredirection;
+	    $Apache::response::foilgroup{"$name.text"} = &Apache::lonxml::endredirection;
 	}
+    } elsif ($target eq 'edit') {
+	$result=&Apache::edit::end_table();
     }
-    return '';
+    return $result;
 }
 
-# ================================================================= Start image
 sub start_image {
-    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
-    if ($target eq 'web') { &Apache::lonxml::startredirection; }
-    return '';
+    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+    my $result='';
+    if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') { 
+	&Apache::lonxml::startredirection; 
+    } elsif ($target eq 'edit') {
+	my $bgimg=&Apache::lonxml::get_all_text('/image',$parser);
+	$Apache::edit::bgimgsrc=$bgimg;
+	$Apache::edit::bgimgsrcdepth=$Apache::lonxml::curdepth;
+
+	$result=&Apache::edit::tag_start($target,$token,'Clickable Image').
+	    &Apache::edit::editline($token->[1],$bgimg,'Image Source File',40);
+	$result.=&Apache::edit::browse(undef,'textnode').' ';
+	$result.=&Apache::edit::search(undef,'textnode').
+	    &Apache::edit::end_row();
+    } elsif ($target eq "modified") {
+	my $bgimg=&Apache::lonxml::get_all_text('/image',$parser);
+	$result=$token->[4].&Apache::edit::modifiedfield($token);
+	&Apache::lonxml::debug($result);
+    }
+    return $result;
 }
 
-# =================================================================== End image
 sub end_image {
-    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
+    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+    my $result;
+    my $name = $Apache::imageresponse::curname;
     if ($target eq 'web') {
-	my $name = $Apache::imageresponse::curname;
 	my $image = &Apache::lonxml::endredirection;
-	&Apache::lonxml::debug("out is $image");
-	if ( $Apache::imageresponse::conceptgroup ) {
+	&Apache::lonxml::debug("original image is $image");
+	my $id=$Apache::inputtags::response['-1'];
+	my $temp=1;
+	my $x=$ENV{"form.HWVAL_$id:$temp.x"};
+	my $y=$ENV{"form.HWVAL_$id:$temp.y"};
+	if (defined ($x) && defined ($y)) {
+	    &Apache::lonxml::debug("x and y defined as $x,$y");
+	    my $currentImage = &Apache::randomlylabel::get_image('/home/httpd/html'.$image,1);
+	    if (! defined($currentImage)) {
+		&Apache::lonnet::logthis('Unable to create image object for '.$image);
+		return '';
+	    }
+	    my $red;
+	    if (!($red = $currentImage->colorResolve(255,0,0))) {
+		$red = $currentImage->colorClosestHWB(255,0,0);
+	    }
+	    my $length = 6;
+	    $currentImage->line($x-$length,$y-$length,$x+$length,$y+$length,$red);
+	    $currentImage->line($x-$length,$y+$length,$x+$length,$y-$length,$red);
+
+	    my ($nameWOext) = ($image =~ /^.*\/(.*)\..*$/);
+	    &Apache::lonxml::debug("graph name $nameWOext");
+	    my $webImageName = "/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_".
+		$nameWOext.'.png'; #needs to be more random or specific
+	    my $newImageName = '/home/httpd'.$webImageName;
+	    
+	    my $imgfh = Apache::File->new('>'.$newImageName); 
+	    print $imgfh $currentImage->png;
+	    $image = $webImageName;
+	}
+	&Apache::lonxml::debug("out image is $image");
+	if ( $Apache::imageresponse::conceptgroup
+	     && !&Apache::response::showallfoils()) {
 	    $Apache::response::conceptgroup{"$name.image"} = $image;
 	} else {
 	    $Apache::response::foilgroup{"$name.image"} = $image;
 	}
-    }
-    return '';
+    } elsif ($target eq 'analyze') {
+	my $image = &Apache::lonxml::endredirection;
+	if ( $Apache::imageresponse::conceptgroup
+	     && !&Apache::response::showallfoils()) {
+	    $Apache::response::conceptgroup{"$name.image"} = $image;
+	} else {
+	    $Apache::response::foilgroup{"$name.image"} = $image;
+	}
+    } elsif ($target eq 'edit') {
+	$result=&Apache::edit::end_table();
+    } elsif ($target eq 'tex') {
+	my $src = &Apache::lonxml::endredirection;
+	$src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
+	my $width_param = '';
+	my $height_param = '';
+	my $scaling = .3;
+	my $image = Image::Magick->new;
+	my $current_figure = $image->Read($src);
+	$width_param = $image->Get('width') * $scaling;;
+	$height_param = $image->Get('height') * $scaling;;
+	undef $image;
+	my $epssrc = $src;
+	$epssrc =~ s/(\.gif|\.jpg)$/\.eps/i;
+	if (not -e $epssrc) {
+	    my $localfile = $epssrc;
+	    $localfile =~ s/.*(\/res)/$1/;	
+	    my $file;
+	    my $path;	
+	    if ($localfile =~ m!(.*)/([^/]*)$!) {
+		$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;      
+	}
+	#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 {
+	    my $temp_file;
+	    my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.dat";
+	    $temp_file = Apache::File->new('>>'.$filename); 
+	    print $temp_file "$src\n";
+	    $Apache::response::foilgroup{"$name.image"} ='\vskip 0 mm \graphicspath{{/home/httpd/prtspool/}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
+	}
+    } 
+    return $result;
 }
 
-# ============================================================= Start rectangle
 sub start_rectangle {
-    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
-    if ($target eq 'web' || $target eq 'grade') { 
-	&Apache::lonxml::startredirection;
+    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+    my $result='';
+    if ($target eq 'web' || $target eq 'grade' || $target eq 'tex' ||
+	$target eq 'analyze') { 
+	&Apache::lonxml::startredirection; 
+    } elsif ($target eq 'edit') {
+	my $coords=&Apache::lonxml::get_all_text('/rectangle',$parser);
+	$result=&Apache::edit::tag_start($target,$token,'Rectangle').
+	    &Apache::edit::editline($token->[1],$coords,'Coordinate Pairs',40).
+	    &Apache::edit::entercoordpair(undef,'textnode').
+	    &Apache::edit::end_row();
+    } elsif ($target eq "modified") {
+	my $coords=&Apache::lonxml::get_all_text('/rectangle',$parser);
+	$result=$token->[4].&Apache::edit::modifiedfield($token);
+	&Apache::lonxml::debug($result);
     }
-    return '';
+    return $result;
 }
 
-# ============================================================= Grade rectangle
 sub grade_rectangle {
     my ($spec,$x,$y) = @_;
     &Apache::lonxml::debug("Spec is $spec");
-    $spec =~ m/rectangle:\(([0-9]+),([0-9]+)\)\-\(([0-9]+),([0-9]+)\)/;
-    my $x1 = $1;
-    my $y1 = $2;
-    my $x2 = $3;
-    my $y2 = $4;
+    $spec=~m/rectangle:\(([0-9]+),([0-9]+)\)\-\(([0-9]+),([0-9]+)\)/;
+    my $x1=$1;
+    my $y1=$2;
+    my $x2=$3;
+    my $y2=$4;
     &Apache::lonxml::debug("Point $x1,$y1,$x2,$y2");
-    if ($x1 > $x2) { my $temp = $x1; $x1 = $x2; $x2 = $temp; }
-    if ($y1 > $y2) { my $temp = $y1; $y1 = $y2; $y2 = $temp; }
-    if ($x => $x1) { if ($x <= $x2) { if ($y => $y1) {
-	if ($y <= $y2) { return 'APPROX_ANS'; } } } }
+    if ($x1 > $x2) { my $temp=$x1;$x1=$x2;$x2=$temp; }
+    if ($y1 > $y2) { my $temp=$y1;$y1=$y2;$y2=$temp; }
+    if (($x >= $x1) && ($x <= $x2) && ($y >= $y1) && ($y <= $y2)) {
+	return 'APPROX_ANS';
+    }
     return 'INCORRECT';
 }
 
-# =============================================================== End rectangle
 sub end_rectangle {
-  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
-  if ($target eq 'web' || $target eq 'grade') {
-    my $name = $Apache::imageresponse::curname;
-    my $area = &Apache::lonxml::endredirection;
-    &Apache::lonxml::debug("out is $area for $name");
-    if ( $Apache::imageresponse::conceptgroup ) {
-      push @{ $Apache::response::conceptgroup{"$name.area"} },
-           "rectangle:$area";
-    } else {
-      push @{ $Apache::response::foilgroup{"$name.area"} },"rectangle:$area";
+    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+    my $result;
+    if ($target eq 'web' || $target eq 'grade' || $target eq 'tex' ||
+	$target eq 'analyze') {
+	my $name = $Apache::imageresponse::curname;
+	my $area = &Apache::lonxml::endredirection;
+	&Apache::lonxml::debug("out is $area for $name");
+	if ( $Apache::imageresponse::conceptgroup
+	     && !&Apache::response::showallfoils()) {
+	    push @{ $Apache::response::conceptgroup{"$name.area"} },"rectangle:$area";
+	} else {
+	    push @{ $Apache::response::foilgroup{"$name.area"} },"rectangle:$area";
+	}
+    } elsif ($target eq 'edit') {
+	$result=&Apache::edit::end_table();
     }
-  }
-  return '';
+    return $result;
 }
-
 1;
-
 __END__