--- loncom/homework/randomlabel.pm	2002/07/18 20:17:45	1.30
+++ loncom/homework/randomlabel.pm	2002/08/27 18:21:27	1.36
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # random labelling tool
 #
-# $Id: randomlabel.pm,v 1.30 2002/07/18 20:17:45 sakharuk Exp $
+# $Id: randomlabel.pm,v 1.36 2002/08/27 18:21:27 sakharuk Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -60,6 +60,7 @@ package Apache::randomlabel;
 use Apache::lonnet;
 use strict;
 use Apache::edit;
+use Apache::File();
 
 BEGIN {
   &Apache::lonxml::register('Apache::randomlabel',('randomlabel','labelgroup','location','label'));
@@ -91,7 +92,7 @@ sub start_randomlabel {
     } elsif ($bgimg =~ m:^/home/.*/public_html:) {
       $bgimg =~ s:^/home/(.*)/public_html:/~$1:;
     }
-    $bgimg="http://".$ENV{'SERVER_NAME'}.$bgimg;
+    $bgimg='http://'.$ENV{'SERVER_NAME'}.$bgimg;
   }
   my $code = &Apache::lonxml::get_param('code',$parstack,$safeeval);
   my $codebase = &Apache::lonxml::get_param('codebase',$parstack,$safeeval);
@@ -106,12 +107,45 @@ sub start_randomlabel {
     $result.="<applet code=\"$code\" codebase=\"$codebase\" width=\"$w\" height=\"$h\">\n";
     $result.="<param name=\"bgimg\" value=\"$bgimg\">\n";
   } elsif ($target eq 'tex') {
+    my $newbgimg = $bgimg;
     $bgimg=~s/(.gif|.jpg)$/.eps/;
     $bgimg= &Apache::lonnet::filelocation($bgimg);
-    $bgimg=~s/http:\/[^\/]*/\/home\/httpd\/html/;
+    if (not $ENV{'request.role'}=~/^au\./) {
+	$bgimg=~s/http:\/[^\/]*/\/home\/httpd\/html/;
+	$bgimg=~s/\/$//;
+        #if no eps file try to replicate it
+	if (not-e $bgimg) {
+	    my $response = &Apache::lonnet::repcopy($bgimg);
+            #if replication failed try to find ps file
+	    if (not-e $bgimg) {
+		$bgimg=~s/\.eps$/\.ps/;
+		#if no ps file try to replicate it
+		if (not-e $bgimg) {
+		    $response = &Apache::lonnet::repcopy($bgimg);
+		    #if replication failed try to produce eps file dynamically
+		    $bgimg=~s/\.ps$/\.eps/;
+		    my $temp_file;
+		    my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.dat";
+		    $temp_file = Apache::File->new('>>'.$filename);
+		    $newbgimg =~ s/(.*)\/res\//\/home\/httpd\/html\/res\//;
+		    print $temp_file "$newbgimg\n";
+		    $bgimg =~ m/\/([^\/]+)$/;
+		    $bgimg = '/home/httpd/prtspool/'.$1;
+		}
+	    }
+	}
+    } else {
+	$bgimg=~s/http:\/[^\/]*\/~([^\/]+)/\/home\/$1\/public_html/;
+    }
     $bgimg=~s/\/$//;
-    $result.='\vspace*{2mm}  \noindent \epsfxsize='.$texwidth.' mm \epsffile{'.
-    $bgimg.'}\setlength{\unitlength}{1mm}  \begin{picture}('.$texwidth.','.$texwidth*$h/$w.')'
+    my $dirtywidth=$texwidth+5;
+    if ($texwidth==90) {
+	$result.='\vspace*{2mm}\noindent \parbox{'.$dirtywidth.' mm}{  \noindent \epsfxsize='.$texwidth.' mm \epsffile{'.
+	    $bgimg.'}\setlength{\unitlength}{1mm}  \begin{picture}('.$texwidth.','.$texwidth*$h/$w.')(0,-'.$texwidth*$h/$w.')';
+    } else {
+	$result.='\vspace*{2mm}\noindent \parbox{'.$dirtywidth.' mm}{  \noindent \epsfxsize='.$texwidth.' mm \epsffile{'.
+	    $bgimg.'}\setlength{\unitlength}{1mm}  \begin{picture}('.$texwidth.','.$texwidth*$h/$w.')(0,-'.$texwidth*$h/$w.')';
+    }
   } elsif ($target eq 'edit') {
     $result.=&Apache::edit::tag_start($target,$token);
     $result.=&Apache::edit::text_arg('Image:','bgimg',$token,75).' ';
@@ -145,7 +179,15 @@ sub end_randomlabel {
     if( $count != 0) { $result.= "<param name=\"ICOUNT\" value=\"$count\">\n"; }
     $result .= "</applet>\n<BR />";
   } elsif ($target eq 'tex') {
-    $result='\end{picture}\\\\ \vskip -3 cm';
+      $result='\end{picture}\\\\}';
+	  @$parstack[-1]=~/\$height\s*=\s*?"(.+)?"/;
+      my $one=$1;
+	  @$parstack[-1]=~/\$width\s*=\s*?"(.+)?"/;
+      my $two=$1;
+	  @$parstack[-1]=~/\$texwidth\s*=\s*?"(.+)?"/;
+      my $three=$1;
+      my $howtoskipback = $three*$one/$two;
+      $result.=' \vskip -'.$howtoskipback.' mm ';
   } elsif ($target eq 'edit') {
     $result.=&Apache::edit::end_table;
   }
@@ -267,11 +309,11 @@ sub end_labelgroup {
       my $x = $Apache::randomlabel::xcoord[$i];
       my $y = $Apache::randomlabel::ycoord[$i];
       my $value = $Apache::randomlabel::value[$i];
-#      my $tcX=$x*($texwidth/$wwidth) - $texwidth;
-      my $tcX=($x-2)*($texwidth/$wwidth);
-#      my $tcY=$TY1-$y*($TY1/$wheight)-2;
-      my $ratio=($wwidth > 0 ? $wheight/$wwidth : 1 );
-      my $tcY=$TY1-$y*($TY1/$wheight)+$texwidth*$ratio;
+      #x latex coordinate
+      my $tcX=($x)*($texwidth/$wwidth);
+      #y latex coordinate
+#      my $ratio=($wwidth > 0 ? $wheight/$wwidth : 1 );
+      my $tcY=$TY1-$y*($TY1/$wheight);
       $tcX=sprintf('%.2f',$tcX);
       $tcY=sprintf('%.2f',$tcY);
       $result.='\put('.$tcX.','.$tcY.'){\normalsize \bf '.$label.'}'."\n";