From 53beb697f81d7715d042af69374e599dceb3f8e0 Mon Sep 17 00:00:00 2001
From: Mischa POSLAWSKY <perl@shiar.org>
Date: Fri, 6 Nov 2015 20:21:12 +0100
Subject: [PATCH 1/1] termcol: divide list rows over columns with 8 rows each

Put dark and light colours of cga next to each other for better comparison.
Still more space efficient for others.
---
 termcol.plp | 22 +++++++++++++++-------
 1 file changed, 15 insertions(+), 7 deletions(-)

diff --git a/termcol.plp b/termcol.plp
index 51efa0a..8d707ec 100644
--- a/termcol.plp
+++ b/termcol.plp
@@ -48,6 +48,7 @@ print
 use 5.010;
 use Shiar_Sheet::Colour '1.04';
 use List::Util qw( min max );
+use POSIX qw( ceil );
 
 my $palettes = do 'termcol.inc.pl';
 die "Cannot open palette data: $_\n" for $@ || $! || ();
@@ -131,17 +132,24 @@ for my $term (@termlist) {
 			$colours = [ map { $colours->[$_] =~ s/:|$/:$_/r } @{$reorder} ];
 		}
 
+		my $rows = 8;
+		my $columns = ceil(@{$colours} / $rows);
+
 		print '<table class=color>', "\n";
 		printf "<caption>%s</caption>\n", $caption;
-		for my $num (0 .. $#{$colours}) {
-			my ($rgb, $name) = split /:/, $colours->[$num], 3;
-			$name //= $num;
-			$name = [ $name, [] ] if $term =~ /^msx/ and !$num;
-			$name = [ $name, ['#333'] ] if $term eq 'xkcd';
-			print '<tr>', colcell($name, $rgb);
+		for my $row (0 .. $rows - 1) {
+			print '<tr>';
+			for my $col (0 .. $columns - 1) {
+				my $num = $row + $col * $rows;
+				my ($rgb, $name) = split /:/, $colours->[$num], 3;
+				$name //= $rgb && $num;
+				$name = [ $name, [] ] if $term =~ /^msx/ and !$num;
+				$name = [ $name, ['#333'] ] if $term eq 'xkcd';
+				print colcell($name, $rgb);
+			}
 		}
 
-		print '<tr><td>', img_egapal(\@{$colours}, @{$_}) for @draw;
+		print "<tr><td colspan=$columns>", img_egapal(\@{$colours}, @{$_}) for @draw;
 		print "</table>\n\n";
 	}
 }
-- 
2.30.0