-<:
-use utf8;
-use strict;
-use warnings;
-use open IO => ':utf8';
-use List::Util 'min';
-
-our $VERSION = 'v1.0';
+<(common.inc.plp)><:
-$header{content_type} = 'text/html; charset=utf-8';
-
-:><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
-<html>
+Html({
+ title => 'terminal colour cheat sheet',
+ version => 'v1.0',
+ description => [
+ "Index of all terminal/console colour codes,",
+ "with an example result of various environments.",
+ ],
+ keywords => [qw'
+ color code terminal console escape table xterm rxvt
+ '],
+ stylesheet => [qw'light dark'],
+});
-<head>
-<title>terminal colour cheat sheet</title>
-<meta http-equiv="content-type" content="utf-8">
-<link rel="stylesheet" type="text/css" media="all" href="/base.css">
-</head>
+use List::Util 'min';
-<body>
+:>
<h1>Terminal colours</h1>
-<table>
+<div class="section">
<:
sub luminance {
# perceived brightness (using ITU-R recommendation 601 luma co-efficients)
my $rgb48 = '';
$rgb48 .= sprintf '%02X', $_ for @rgb[0..2];
my $inverse = sprintf('%X', luminance(@rgb)/255 < .3 ? 12 : 0) x 3;
- return sprintf '<td style="%s; padding:0 1ex">%s<td style="%s">%s<td style="%s">%s',
- "background:#$rgb48; color:#$inverse",
+ return sprintf '<td title="%s" style="%s">%s<td style="%s">%s<td style="%s">%s'."\n",
+ join(',', map { int } @rgb[0..2]),
+ "background:#$rgb48; color:#$inverse; padding:0 1ex",
$id,
"background:#000; color:#$rgb48",
$rgb24,
}
my %col = (
- -name => [
+ -html => [
qw/black maroon green olive navy purple cyan silver
gray red lime yellow blue fuchsia aqua white/,
qw/reset bold dim italic underline blink fastblink
],
);
-my @termlist = qw(html cga xterm tango);
-print '<tr>', (map {'<th colspan="3">'.$_} @termlist), "</tr>\n";
-for my $num (0 .. 15) {
- printf('<tr>%s</tr>'."\n",
- join('', map {
- my $rgb = $col{$_}[$num + 2];
- colcell($_ eq 'html' ? $col{-name}[$num] : $num, $rgb, $col{$_}[0])
- } @termlist ),
- );
+for my $term (qw/html cga xterm tango/) {
+ print '<table>', "\n";
+ print "<caption>$term</caption>\n";
+ for my $num (0 .. 15) {
+ my $rgb = $col{$term}[$num + 2];
+ print '<tr>',
+ colcell($col{"-$term"}[$num] || $num, $rgb, $col{$term}[0]);
+ }
+ print "</table>\n\n";
}
-:></table>
+:></div>
+
+<hr>
+<div class="section">
<h2>88-colour space</h2>
-<table>
<:
for my $r (0 .. 3) {
- print '<tr>';
+ print '<table>';
for my $g (0 .. 3) {
+ print '<tr>';
for my $b (0 .. 3) {
- print colcell($r*4*4 + $g*4 + $b + 16, map {(0, 139, 205, 255)[$_]} $r, $g, $b);
+ my $index = $r*4*4 + $g*4 + $b + 16;
+ print colcell($index, map {(0, 139, 205, 255)[$_]} $r, $g, $b);
+ }
+ }
+ print "</table>\n";
+}
+print "\n";
+
+print '<table><tr>';
+print colcell(80+$_, (($_ + 2 + ($_>0)) * 255/11) x 3) for 0 .. 7;
+print "</table>\n\n";
+
+:></div>
+<: if ($ENV{PATH_INFO} =~ /256/) { :>
+<hr>
+
+<div class="section">
+<h2>256-colour space</h2>
+<:
+for my $r (0 .. 5) {
+ print '<table>';
+ for my $g (0 .. 5) {
+ print '<tr>';
+ for my $b (0 .. 5) {
+ my $index = $r*6*6 + $g*6 + $b + 16;
+ print colcell($index, map { $_ && $_*40 + 55 } $r, $g, $b);
}
}
- print "\n";
+ print "</table>\n";
}
print "\n";
-print '<tr>', map { colcell(80, ($_) x 3) } 46, 92, 115, 139, 162, 185, 208, 231;
-:></table>
+
+for my $row (0, 12) {
+ print '<table><tr>';
+ print colcell(232+$_, ($_*10 + 8) x 3) for $row .. $row+11;
+ print "</table>\n";
+}
+print "\n";
+
+:></div>
+<: } :>
+<hr>