--- db2gantt.cgi	2002/09/13 16:54:44	1.10
+++ db2gantt.cgi	2002/09/13 19:06:46	1.12
@@ -112,7 +112,7 @@
 	return "<a href=\"".$q->url(-relative=>1)."?from_t=${f}&to_t=${t}\">$ch</a>";
 }
 
-print "<table>";
+print "<table cellspacing=0 cellpadding=0>";
 print "<tr bgcolor=#e0e0e0><td>Specification</td><td align=left>";
 print mknav(($from_t-$int_t),$to_t,'<small>&lt;&lt;</small>'),$from;
 print mknav(($from_t+$int_t),$to_t,'<small>&gt;&gt;</small>') if ($from_t+$int_t < $to_t);
@@ -121,18 +121,23 @@
 print $to,mknav($from_t,($to_t+$int_t),'<small>&gt;&gt;</small>'),"</td></tr>\n";
 
 # draw hour grid
-print "<tr><td align=right><small>hour grid</small></td><td colspan=2>";
-my @c = ("255,255,128","255,192,128");
-my $hr=strftime("%H",localtime ($from_t));
-print color_bar(3600 - $from_t % 3600,$c[0],$hr++ % 24);
-for (my $i=1; $i<int(($to_t-$from_t)/3600); $i++) {
-	print color_bar(3600,$c[1],sprintf("%02d",$hr++ % 24));
-	push @c, shift @c;
+sub hour_grid {
+	print "<tr><td align=right><small>hour grid</small></td><td colspan=2>";
+	my @c = ("255,255,128","255,192,128");
+	my $hr=strftime("%H",localtime ($from_t));
+	print color_bar(3600 - $from_t % 3600,$c[0],sprintf("%02d",$hr++ % 24));
+	for (my $i=1; $i<int(($to_t-$from_t)/3600); $i++) {
+		print color_bar(3600,$c[1],sprintf("%02d",$hr++ % 24));
+		push @c, shift @c;
+	}
+	print color_bar($from_t % 3600,$c[1],sprintf("%02d",$hr % 24));
+	print "</td></tr>\n";
 }
-print color_bar($from_t % 3600,$c[1],$hr % 24);
-print "</td></tr>\n";
 
-my $fix_d = 0;	# used to fix graph len
+hour_grid();
+
+my $fix_d = 0;	# used to fix graph len (in pixels)
+my $fix_s = 0;	# used to collect round errors of size
 
 sub bar {
 	my $l = shift @_;
@@ -160,8 +165,15 @@
 	my $col = shift @_ || '240,240,240';	# default color (filler)
 	my $alt = shift @_ || undef;
 
-	my $size = int($l / ($len_t / $width));
-	if ($size < $min_l) {
+	my $size = $l / ($len_t / $width);
+	$fix_s += $size - int($size);
+	$size=int($size);
+	if ($fix_s > 1) {
+		$fix_s -= 1;
+		$size++;
+	}
+
+	if ($alt && $size < $min_l) {
 		$fix_d += ($min_l - $size);
 		print STDERR "fix_d: $fix_d\n" if ($debug);
 		$size = $min_l;
@@ -276,7 +288,9 @@
 undef $sth;
 $dbh->disconnect;
 
-print "</td></tr>\n</table>";
+print "</td></tr>\n";
+hour_grid();
+print "</table>";
 
 
 # label and usage