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diff src/libvorbis-1.3.3/examples/frameview.pl @ 86:98c1576536ae

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Bring in flac, ogg, vorbis
author Chris Cannam <cannam@all-day-breakfast.com>
date Tue, 19 Mar 2013 17:37:49 +0000
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/libvorbis-1.3.3/examples/frameview.pl	Tue Mar 19 17:37:49 2013 +0000
@@ -0,0 +1,630 @@
+#!/usr/bin/perl -w 
+use strict;
+use Tk;
+use Tk::Xrm;
+use Tk qw(exit); 
+
+my $version="Analyzer 20020429";
+
+my %bases;
+my $first_file=undef;
+my $last_file=undef;
+my $fileno=0;
+
+my @panel_labels;
+my @panel_ones;
+my @panel_twos;
+my @panel_onevars;
+my @panel_twovars;
+my @panel_keys;
+my $panel_count;
+
+# pop the toplevels
+
+my $toplevel=new MainWindow(-class=>'AnalyzerGraph');
+my $Xname=$toplevel->Class;
+$toplevel->optionAdd("$Xname.geometry",  "800x600",20);
+
+my $geometry=$toplevel->optionGet('geometry','');
+$geometry=~/^(\d+)x(\d+)/;
+
+$toplevel->configure(-width=>$1);
+$toplevel->configure(-height=>$2);
+
+
+
+
+
+$toplevel->optionAdd("$Xname.background",  "#4fc627",20);
+$toplevel->optionAdd("$Xname*highlightBackground",  "#80c0d3",20);
+$toplevel->optionAdd("$Xname.Panel.background",  "#4fc627",20);
+$toplevel->optionAdd("$Xname.Panel.foreground",  "#d0d0d0",20);
+$toplevel->optionAdd("$Xname.Panel.font",
+                     '-*-helvetica-bold-r-*-*-18-*-*-*-*-*-*-*',20);
+$toplevel->optionAdd("$Xname*Statuslabel.font",
+                     '-*-helvetica-bold-r-*-*-18-*-*-*-*-*-*-*',20);
+$toplevel->optionAdd("$Xname*Statuslabel.foreground", "#606060");
+$toplevel->optionAdd("$Xname*Status.font",
+                     '-*-helvetica-bold-r-*-*-18-*-*-*-*-*-*-*',20);
+
+$toplevel->optionAdd("$Xname*AlertDetail.font",
+                     '-*-helvetica-medium-r-*-*-10-*-*-*-*-*-*-*',20);
+
+
+$toplevel->optionAdd("$Xname*background",  "#d0d0d0",20);
+$toplevel->optionAdd("$Xname*foreground",  '#000000',20);
+
+$toplevel->optionAdd("$Xname*Button*background",  "#f0d0b0",20);
+$toplevel->optionAdd("$Xname*Button*foreground",  '#000000',20);
+$toplevel->optionAdd("$Xname*Button*borderWidth",  '2',20);
+$toplevel->optionAdd("$Xname*Button*relief",  'groove',20);
+$toplevel->optionAdd("$Xname*Button*padY",  1,20);
+
+#$toplevel->optionAdd("$Xname*Scale*background",  "#f0d0b0",20);
+$toplevel->optionAdd("$Xname*Scale*foreground",  '#000000',20);
+$toplevel->optionAdd("$Xname*Scale*borderWidth",  '1',20);
+#$toplevel->optionAdd("$Xname*Scale*relief",  'groove',20);
+$toplevel->optionAdd("$Xname*Scale*padY",  1,20);
+
+$toplevel->optionAdd("$Xname*Checkbutton*background",  "#f0d0b0",20);
+$toplevel->optionAdd("$Xname*Checkbutton*foreground",  '#000000',20);
+$toplevel->optionAdd("$Xname*Checkbutton*borderWidth",  '2',20);
+$toplevel->optionAdd("$Xname*Checkbutton*relief",  'groove',20);
+
+$toplevel->optionAdd("$Xname*activeBackground",  "#ffffff",20);
+$toplevel->optionAdd("$Xname*activeForeground",  '#0000a0',20);
+$toplevel->optionAdd("$Xname*borderWidth",         0,20);
+$toplevel->optionAdd("$Xname*relief",         'flat',20);
+$toplevel->optionAdd("$Xname*activeBorderWidth",         1,20);
+$toplevel->optionAdd("$Xname*highlightThickness",         0,20);
+$toplevel->optionAdd("$Xname*padX",         2,20);
+$toplevel->optionAdd("$Xname*padY",         2,20);
+$toplevel->optionAdd("$Xname*font",    
+                     '-*-helvetica-bold-r-*-*-12-*-*-*-*-*-*-*',20);
+$toplevel->optionAdd("$Xname*Entry.font",    
+                     '-*-helvetica-medium-r-*-*-12-*-*-*-*-*-*-*',20);
+$toplevel->optionAdd("$Xname*Exit.font",    
+                     '-*-helvetica-bold-r-*-*-10-*-*-*-*-*-*-*',20);
+$toplevel->optionAdd("$Xname*Exit.relief",          'groove',20);
+$toplevel->optionAdd("$Xname*Exit.padX",          1,20);
+$toplevel->optionAdd("$Xname*Exit.padY",          1,20);
+$toplevel->optionAdd("$Xname*Exit.borderWidth",          2,20);
+$toplevel->optionAdd("$Xname*Exit*background",  "#a0a0a0",20);
+$toplevel->optionAdd("$Xname*Exit*disabledForeground",  "#ffffff",20);
+
+#$toplevel->optionAdd("$Xname*Canvas.background",  "#c0c0c0",20);
+
+$toplevel->optionAdd("$Xname*Entry.background",  "#ffffff",20);
+$toplevel->optionAdd("$Xname*Entry.disabledForeground",  "#c0c0c0",20);
+$toplevel->optionAdd("$Xname*Entry.relief",  "sunken",20);
+$toplevel->optionAdd("$Xname*Entry.borderWidth",  1,20);
+
+$toplevel->optionAdd("$Xname*Field.background",  "#ffffff",20);
+$toplevel->optionAdd("$Xname*Field.disabledForeground",  "#c0c0c0",20);
+$toplevel->optionAdd("$Xname*Field.relief",  "flat",20);
+$toplevel->optionAdd("$Xname*Field.borderWidth",  1,20);
+
+$toplevel->optionAdd("$Xname*Label.disabledForeground",  "#c0c0c0",20);
+$toplevel->optionAdd("$Xname*Label.borderWidth",  1,20);
+
+$toplevel->configure(-background=>$toplevel->optionGet("background",""));
+
+#$toplevel->resizable(FALSE,FALSE);
+
+my $panel=new MainWindow(-class=>'AnalyzerPanel');
+my $X2name=$panel->Class;
+
+$panel->optionAdd("$X2name.background",  "#353535",20);
+$panel->optionAdd("$X2name*highlightBackground",  "#80c0d3",20);
+$panel->optionAdd("$X2name.Panel.background",  "#353535",20);
+$panel->optionAdd("$X2name.Panel.foreground",  "#4fc627",20);
+$panel->optionAdd("$X2name.Panel.font",
+                     '-*-helvetica-bold-o-*-*-18-*-*-*-*-*-*-*',20);
+$panel->optionAdd("$X2name*Statuslabel.font",
+                     '-*-helvetica-bold-r-*-*-18-*-*-*-*-*-*-*',20);
+$panel->optionAdd("$X2name*Statuslabel.foreground", "#4fc627",20);
+$panel->optionAdd("$X2name*Status.font",
+                     '-*-helvetica-bold-r-*-*-18-*-*-*-*-*-*-*',20);
+
+$panel->optionAdd("$X2name*AlertDetail.font",
+                     '-*-helvetica-medium-r-*-*-10-*-*-*-*-*-*-*',20);
+
+
+$panel->optionAdd("$X2name*background",  "#d0d0d0",20);
+$panel->optionAdd("$X2name*foreground",  '#000000',20);
+
+$panel->optionAdd("$X2name*Button*background",  "#f0d0b0",20);
+$panel->optionAdd("$X2name*Button*foreground",  '#000000',20);
+$panel->optionAdd("$X2name*Button*borderWidth",  '2',20);
+$panel->optionAdd("$X2name*Button*relief",  'groove',20);
+$panel->optionAdd("$X2name*Button*padY",  1,20);
+
+$panel->optionAdd("$X2name*Checkbutton*background",  "#f0d0b0",20);
+$panel->optionAdd("$X2name*Checkbutton*foreground",  '#000000',20);
+$panel->optionAdd("$X2name*Checkbutton*borderWidth",  '2',20);
+#$panel->optionAdd("$X2name*Checkbutton*padX",  '0',20);
+#$panel->optionAdd("$X2name*Checkbutton*padY",  '0',20);
+#$panel->optionAdd("$X2name*Checkbutton*relief",  'groove',20);
+
+$panel->optionAdd("$X2name*activeBackground",  "#ffffff",20);
+$panel->optionAdd("$X2name*activeForeground",  '#0000a0',20);
+$panel->optionAdd("$X2name*borderWidth",         0,20);
+$panel->optionAdd("$X2name*relief",         'flat',20);
+$panel->optionAdd("$X2name*activeBorderWidth",         1,20);
+$panel->optionAdd("$X2name*highlightThickness",         0,20);
+$panel->optionAdd("$X2name*padX",         2,20);
+$panel->optionAdd("$X2name*padY",         2,20);
+$panel->optionAdd("$X2name*font",    
+                     '-*-helvetica-bold-r-*-*-12-*-*-*-*-*-*-*',20);
+$panel->optionAdd("$X2name*Entry.font",    
+                     '-*-helvetica-medium-r-*-*-12-*-*-*-*-*-*-*',20);
+
+$panel->optionAdd("$X2name*Exit.font",    
+                     '-*-helvetica-bold-r-*-*-10-*-*-*-*-*-*-*',20);
+$panel->optionAdd("$X2name*Exit.relief",          'groove',20);
+$panel->optionAdd("$X2name*Exit.padX",          1,20);
+$panel->optionAdd("$X2name*Exit.padY",          1,20);
+$panel->optionAdd("$X2name*Exit.borderWidth",          2,20);
+$panel->optionAdd("$X2name*Exit*background",  "#a0a0a0",20);
+$panel->optionAdd("$X2name*Exit*disabledForeground",  "#ffffff",20);
+
+$panel->optionAdd("$X2name*Entry.background",  "#ffffff",20);
+$panel->optionAdd("$X2name*Entry.disabledForeground",  "#c0c0c0",20);
+$panel->optionAdd("$X2name*Entry.relief",  "sunken",20);
+$panel->optionAdd("$X2name*Entry.borderWidth",  1,20);
+
+$panel->optionAdd("$X2name*Field.background",  "#ffffff",20);
+$panel->optionAdd("$X2name*Field.disabledForeground",  "#c0c0c0",20);
+$panel->optionAdd("$X2name*Field.relief",  "flat",20);
+$panel->optionAdd("$X2name*Field.borderWidth",  1,20);
+
+$panel->optionAdd("$X2name*Label.disabledForeground",  "#c0c0c0",20);
+$panel->optionAdd("$X2name*Label.borderWidth",  1,20);
+
+$panel->configure(-background=>$panel->optionGet("background",""));
+
+#$panel->resizable("FALSE","FALSE");
+
+my $panel_shell=$panel->Label(Name=>"shell",-borderwidth=>1,-relief=>'raised')->
+    place(-x=>10,-y=>36,-relwidth=>1.0,-relheight=>1.0,
+          -width=>-20,-height=>-46,-anchor=>'nw');
+
+my $panel_quit=$panel_shell->Button(-class=>"Exit",-text=>"quit",-command=>[sub{Shutdown()}])->
+    place(-x=>-1,-y=>-1,-relx=>1.0,-rely=>1.0,-anchor=>'se');
+
+$panel->Label(Name=>"logo text",-class=>"Panel",-text=>$version)->
+    place(-x=>5,-y=>5,-anchor=>'nw');
+
+
+my $graph_shell=$toplevel->Label(Name=>"shell",-borderwidth=>1,-relief=>'raised')->
+    place(-x=>10,-y=>36,-relwidth=>1.0,-relheight=>1.0,
+          -width=>-20,-height=>-46,-anchor=>'nw');
+
+my $graph_status=$toplevel->Label(Name=>"logo text",-class=>"Panel",-text=>"Starting up")->
+    place(-x=>5,-y=>5,-anchor=>'nw');
+
+
+my $panely=5;
+my $panel_rescan=$panel_shell->Button(-text=>"rescan",-command=>[sub{scan_directory()}])->
+    place(-x=>-5,-relx=>1.,-y=>$panely,-anchor=>'ne');
+$panely+=$panel_rescan->reqheight()+6;
+
+
+my$temp=$graph_shell->Button(-text=>"<<",
+		     -command=>[sub{$fileno-=10;$fileno=$first_file if($fileno<$first_file);
+				load_graph();}])->
+    place(-x=>5,-y=>-5,-rely=>1.,-relwidth=>.2,-width=>-5,-anchor=>'sw');
+$graph_shell->Button(-text=>">>",
+		     -command=>[sub{$fileno+=10;$fileno=$last_file if($fileno>$last_file);
+				load_graph();}])->
+    place(-x=>-5,-y=>-5,-relwidth=>.2,-rely=>1.,-width=>-5,-relx=>1.,-anchor=>'se');
+$graph_shell->Button(-text=>"<",
+		     -command=>[sub{$fileno-=1;$fileno=$first_file if($fileno<$first_file);
+				load_graph();}])->
+    place(-x=>5,-y=>-5,-relwidth=>.3,-width=>-7,-rely=>1.,-relx=>.2,-anchor=>'sw');
+$graph_shell->Button(-text=>">",
+		     -command=>[sub{$fileno+=1;$fileno=$last_file if($fileno>$last_file);
+				load_graph();}])->
+    place(-x=>-5,-y=>-5,-relwidth=>.3,-width=>-7,-rely=>1.,-relx=>.8,-anchor=>'se');
+my$graphy=-10-$temp->reqheight();
+my$graph_slider=$temp=$graph_shell->Scale(-bigincrement=>1,
+				    -resolution=>1,
+				    -showvalue=>'TRUE',-variable=>\$fileno,-orient=>'horizontal')->
+    place(-x=>5,-y=>$graphy,-relwidth=>1.,-rely=>1.,-width=>-10,-anchor=>'sw');
+$graphy-=$temp->reqheight()+5;
+
+my$onecrop;
+my$twocrop;
+
+my$oneresize=$temp=$graph_shell->Checkbutton(-text=>"rescale",-variable=>\$onecrop,
+				-command=>[sub{draw_graph();}])->
+    place(-x=>5,-y=>5,-anchor=>'nw');
+
+my$one=$graph_shell->Canvas()->
+    place(-relwidth=>1.,-width=>-10,-relheight=>.5,-height=>($graphy/2)-5-$temp->reqheight(),
+				     -x=>5,-y=>5+$temp->reqheight,-anchor=>'nw');
+
+
+my$tworesize=$temp=$graph_shell->Checkbutton(-text=>"rescale",-variable=>\$twocrop,
+				-command=>[sub{draw_graph();}])->
+    place(-rely=>1.,-y=>5,-anchor=>'nw',-in=>$one);
+my$two=$graph_shell->Canvas()->
+    place(-relwidth=>1.,-relheight=>1.,-rely=>1.,-y=>5+$temp->reqheight(),-anchor=>'nw',-in=>$one);
+
+scan_directory();
+
+my%onestate;
+my%twostate;
+my @data;
+
+$onestate{"canvas"}=$one;
+$onestate{"vars"}=\@panel_onevars;
+$twostate{"canvas"}=$two;
+$twostate{"vars"}=\@panel_twovars;
+
+$graph_slider->configure(-command=>[sub{load_graph()}]);
+load_graph();
+$toplevel->bind('MainWindow','<Configure>',[sub{$toplevel->update();
+						draw_graph()}]);
+
+Tk::MainLoop();
+
+sub load_graph{
+
+    scan_directory()if(!defined($panel_count));
+
+    @data=undef;
+    
+    for(my$i=0;$i<$panel_count;$i++){
+	my$filename=$panel_keys[$i]."_$fileno.m";
+	if(open F, "$filename"){
+	    $data[$i]=[(<F>)];
+	    close F;
+	}
+    }
+    draw_graph();
+}
+
+sub graphhelper{
+    my($graph)=@_;
+    my$count=0;
+    my@colors=("#ff0000","#00df00","#0000ff","#ffff00","#ff00ff","#00ffff","#ffffff",
+	       "#9f0000","#007f00","#00009f","#8f8f00","#8f008f","#008f8f","#000000");
+    
+    my$w=$graph->{"canvas"};
+    my$rescale=0;
+
+    Status("Plotting $fileno");
+    $w->delete('foo');
+    $w->delete('legend');
+    $w->delete('lines');
+
+    # count range 
+    for(my$i=0;$i<$panel_count;$i++){
+	if($graph->{"vars"}->[$i]){
+	    if(defined($data[$i])){
+		if(!defined($graph->{"minx"})){
+		    $data[$i]->[0]=~m/^\s*(-?[0-9\.]*)[ ,]+(-?[0-9\.]*)/;
+		    $graph->{"maxx"}=$1;
+		    $graph->{"minx"}=$1;
+		    $graph->{"maxy"}=$2;
+		    $graph->{"miny"}=$2;
+		    $rescale=1;
+		}
+		
+		for(my$j=0;$j<=$#{$data[$i]};$j++){
+		    $data[$i]->[$j]=~m/^\s*(-?[0-9\.]*)[ ,]+(-?[0-9\.]*)/;
+		    $rescale=1 if($1>$graph->{"maxx"});
+		    $rescale=1 if($1<$graph->{"minx"});
+		    $rescale=1 if($2>$graph->{"maxy"});
+		    $rescale=1 if($2<$graph->{"miny"});
+		    $graph->{"maxx"}=$1 if($1>$graph->{"maxx"});
+		    $graph->{"minx"}=$1 if($1<$graph->{"minx"});
+		    $graph->{"maxy"}=$2 if($2>$graph->{"maxy"});
+		    $graph->{"miny"}=$2 if($2<$graph->{"miny"});
+		}
+	    }
+	    $count++;
+	}
+    }
+
+    my$width=$w->width();
+    my$height=$w->height();
+
+    $rescale=1 if(!defined($graph->{"width"}) || 
+		  $width!=$graph->{"width"} || 
+		  $height!=$graph->{"height"});
+    
+    $graph->{"width"}=$width; 
+    $graph->{"height"}=$height; 
+
+    if(defined($graph->{"maxx"})){
+	# draw axes, labels
+	# look for appropriate axis scales
+
+	if($rescale){
+
+	    $w->delete('ylabel');
+	    $w->delete('xlabel');
+	    $w->delete('axes');
+	    
+	    my$yscale=1.;
+	    my$xscale=1.;
+	    my$iyscale=1.;
+	    my$ixscale=1.;
+	    while(($graph->{"maxx"}-$graph->{"minx"})*$xscale>15){$xscale*=.1;$ixscale*=10.;}
+	    while(($graph->{"maxy"}-$graph->{"miny"})*$yscale>15){$yscale*=.1;$iyscale*=10.;}
+	    
+	    while(($graph->{"maxx"}-$graph->{"minx"})*$xscale<3){$xscale*=10.;$ixscale*=.1;}
+	    while(($graph->{"maxy"}-$graph->{"miny"})*$yscale<3){$yscale*=10.;$iyscale*=.1;}
+	    
+	    # how tall are the x axis labels?
+	    $w->createText(-1,-1,-anchor=>'se',-tags=>['foo'],-text=>"0123456789.");
+	    my($x1,$y1,$x2,$y2)=$w->bbox('foo');
+	    $w->delete('foo');
+	    my$maxlabelheight=$y2-$y1;
+	    my$useabley=$height-$maxlabelheight-3;
+	    my$pixelpery=$useabley/($graph->{"maxy"}-$graph->{"miny"});
+	    
+	    # place y axis labels at proper spacing/height
+	    my$lasty=-$maxlabelheight/2;
+	    my$topyval=int($graph->{"maxy"}*$yscale+1.)*$iyscale;
+	    
+	    for(my$i=0;;$i++){
+		my$yval= $topyval-$i*$iyscale;
+		my$y= ($graph->{"maxy"}-$yval)*$pixelpery;
+		last if($y>$useabley);
+		if($y-$maxlabelheight>=$lasty){
+		    $w->createText(0,$y,-anchor=>'e',-tags=>['ylabel'],-text=>"$yval");
+		    $lasty=$y;
+		}
+	    }
+	    
+	    # get the max ylabel width and place them at proper x
+	    ($x1,$y1,$x2,$y2)=$w->bbox('ylabel');
+	    my$maxylabelwidth=$x2-$x1;
+	    $w->move('ylabel',$maxylabelwidth,0);
+	    
+	    my$beginx=$maxylabelwidth+3;
+	    my$useablex=$width-$beginx;
+	    
+	    # draw basic axes
+	    $w->createLine($beginx,0,$beginx,$useabley,$width,$useabley,
+			   -tags=>['axes'],-width=>2);
+	    # draw y tix
+	    $lasty=-$maxlabelheight/2;
+	    for(my$i=0;;$i++){
+		my$yval= $topyval-$i*$iyscale;
+		my$y= ($graph->{"maxy"}-$yval)*$pixelpery;
+		last if($y>$useabley);
+		if($yval==0){
+		    $w->createLine($beginx,$y,$width,$y,
+				   -tags=>['axes'],-width=>1);
+		}else{
+		    if($y-$maxlabelheight>=$lasty){
+			$w->createLine($beginx,$y,$width,$y,
+				       -tags=>['axes'],-width=>1,
+				       -stipple=>'gray50');
+			
+			$lasty=$y;
+		    }
+		}
+	    }
+	    
+	    # place x axis labels at proper spacing
+	    my$topxval=int($graph->{"maxx"}*$xscale+1.)*$ixscale;
+	    my$pixelperx=$useablex/($graph->{"maxx"}-$graph->{"minx"});
+	    
+	    for(my$i=0;;$i++){
+		my$xval= $topxval-$i*$ixscale;
+		my$x= $width-($graph->{"maxx"}-$xval)*$pixelperx;
+		
+		last if($x<$beginx);
+		# bounding boxen are hard.  place temp labels.
+		$w->createText(-1,-1,-anchor=>'e',-tags=>['foo'],-text=>"$xval");
+	    }
+	    
+	    ($x1,$y1,$x2,$y2)=$w->bbox('foo');
+	    my$maxxlabelwidth=$x2-$x1;
+	    $w->delete('foo');
+	    my$lastx=$width;
+	    
+	    for(my$i=0;;$i++){
+		my$xval= $topxval-$i*$ixscale;
+		my$x= $width-($graph->{"maxx"}-$xval)*$pixelperx;
+		
+		last if($x-$maxxlabelwidth/2<0 || $x<$beginx);
+		if($xval==0 && $x<$width){
+		    $w->createLine($x,0,$x,$useabley,-tags=>['axes'],-width=>1);
+		}
+	    
+		if($x+$maxxlabelwidth<=$lastx){
+		    $w->createText($x,$height-1,-anchor=>'s',-tags=>['xlabel'],-text=>"$xval");
+		    $w->createLine($x,0,$x,$useabley,-tags=>['axes'],-width=>1,-stipple=>"gray50");
+		    $lastx=$x;
+		}
+	    }
+	    $graph->{"labelheight"}=$maxlabelheight;
+	    $graph->{"xo"}=$beginx;
+	    $graph->{"ppx"}=$pixelperx;
+	    $graph->{"ppy"}=$pixelpery;
+	}
+
+	# plot the files
+	$count=0;
+	my$legendy=$graph->{"labelheight"}/2;
+	for(my$i=0;$i<$panel_count;$i++){
+	    if($graph->{"vars"}->[$i]){
+		$count++; # count here for legend color selection stability
+		if(defined($data[$i])){
+		    # place a legend placard;
+		    my$color=$colors[($count-1)%($#colors+1)];
+		    $w->createText($width,$legendy,-anchor=>'e',-tags=>['legend'],
+				   -fill=>$color,-text=>$panel_keys[$i]);
+		    $legendy+=$graph->{"labelheight"};
+
+		    # plot the lines
+		    my@pairs=map{if(/^\s*(-?[0-9\.]*)[ ,]+(-?[0-9\.]*)/){
+			(($1-$graph->{"minx"})*$graph->{"ppx"}+$graph->{"xo"},
+			 (-$2+$graph->{"maxy"})*$graph->{"ppy"})}} (@{$data[$i]});
+		    
+		    $w->createLine((@pairs),-fill=>$color,-tags=>['lines']);
+		}
+	    }
+	}
+    }
+}    
+
+sub draw_graph{
+
+    if($onecrop){
+	$onestate{"minx"}=undef;
+	$onestate{"miny"}=undef;
+	$onestate{"maxx"}=undef;
+	$onestate{"maxy"}=undef;
+    }
+    if($twocrop){
+	$twostate{"minx"}=undef;
+	$twostate{"miny"}=undef;
+	$twostate{"maxx"}=undef;
+	$twostate{"maxy"}=undef;
+    }
+
+    for(my$i=0;$i<$panel_count;$i++){
+	if($twostate{"vars"}->[$i]){
+	    
+	    #re-place the canvases
+	    
+	    $oneresize->place(-x=>5,-y=>5,-anchor=>'nw');
+
+	    $one->place(-relwidth=>1.,-width=>-10,-relheight=>.5,
+			 -height=>($graphy/2)-5-$oneresize->reqheight(),
+			 -x=>5,-y=>5+$oneresize->reqheight,-anchor=>'nw');
+	    
+	    $tworesize->place(-rely=>1.,-y=>5,-anchor=>'nw',-in=>$one);
+	    $two->place(-relwidth=>1.,-relheight=>1.,-rely=>1.,
+			-y=>5+$tworesize->reqheight(),-anchor=>'nw',-in=>$one);
+
+	    graphhelper(\%onestate);
+	    graphhelper(\%twostate);
+	    return;
+	}
+    }
+
+    $oneresize->place(-x=>5,-y=>5,-anchor=>'nw');
+    
+    $one->place(-relwidth=>1.,-width=>-10,-relheight=>1.,
+		 -height=>$graphy-5-$oneresize->reqheight(),
+		 -x=>5,-y=>5+$oneresize->reqheight,-anchor=>'nw');
+    
+    $tworesize->placeForget();
+    $two->placeForget();
+
+    graphhelper(\%onestate);
+}
+
+sub depopulate_panel{
+    my $win;
+    foreach $win (@panel_labels){
+	$win->destroy();
+    }
+    @panel_labels=();
+    foreach $win (@panel_ones){
+	$win->destroy();
+    }
+    @panel_ones=();
+    foreach $win (@panel_twos){
+	$win->destroy();
+    }
+    @panel_twos=();
+    @panel_keys=();
+}
+
+sub populate_panel{
+    my $localy=$panely;
+    my $key;
+    my $i=0;
+    foreach $key (sort (keys %bases)){
+	$panel_keys[$i]=$key;
+	if(!defined($panel_onevars[$i])){
+	    $panel_onevars[$i]=0;
+	    $panel_twovars[$i]=0;
+	}
+
+	my $temp=$panel_twos[$i]=$panel_shell->
+	    Checkbutton(-variable=>\$panel_twovars[$i],-command=>['main::draw_graph'],-text=>'2')->
+	    place(-y=>$localy,-x=>-5,-anchor=>"ne",-relx=>1.);
+	my $oney=$temp->reqheight();
+	my $onex=$temp->reqwidth()+15;
+
+	$temp=$panel_ones[$i]=$panel_shell->
+	    Checkbutton(-variable=>\$panel_onevars[$i],-command=>['main::draw_graph'],-text=>'1')->
+	    place(-y=>0,-x=>0,-anchor=>"ne",-in=>$temp,-bordermode=>'outside');
+	$oney=$temp->reqheight() if ($oney<$temp->reqheight());
+	$onex+=$temp->reqwidth();
+
+	$temp=$panel_labels[$i]=$panel_shell->Label(-text=>$key,-class=>'Field',-justify=>'left')->
+	    place(-y=>$localy,-x=>5,-anchor=>"nw",-relwidth=>1.,-width=>-$onex,
+		  -bordermode=>'outside');
+	$oney=$temp->reqheight() if ($oney<$temp->reqheight());
+	
+	$localy+=$oney+2;
+	$i++;
+    }
+    $panel_count=$i;    
+
+    $localy+=$panel_quit->reqheight()+50;
+    my $geometry=$panel->geometry();
+    $geometry=~/^(\d+)/;
+
+    $panel->configure(-height=>$localy);
+    $panel->configure(-width=>$1);
+}
+
+sub Shutdown{
+  Tk::exit();
+}
+
+sub Status{
+    my$text=shift @_;
+    $graph_status->configure(-text=>"$text");
+    $toplevel->update();
+}
+
+sub scan_directory{
+    
+    %bases=();
+    my$count=0;
+
+    $first_file=undef;
+    $last_file=undef;
+
+    if(opendir(D,".")){
+        my$file;
+        while(defined($file=readdir(D))){
+	    if($file=~m/^(\S*)_(\d+).m/){
+		$bases{"$1"}="0";
+		$first_file=$2 if(!defined($first_file) || $2<$first_file);
+		$last_file=$2 if(!defined($last_file) || $2>$last_file);
+		$count++;
+		
+		Status("Reading... $count")if($count%117==0);
+	    }
+        }	
+        closedir(D);
+    }
+    Status("Done Reading: $count files");
+    depopulate_panel();
+    populate_panel();
+    
+    $fileno=$first_file if($fileno<$first_file);
+    $fileno=$last_file if($fileno>$last_file);
+
+    $graph_slider->configure(-from=>$first_file,-to=>$last_file);
+
+}
+
+
+
+
+