+<:
+use 5.010;
+use Shiar_Sheet::Colour '1.03';
+use List::Util qw( min max );
+
+my $palettes = do 'termcol.inc.pl';
+die "Cannot open palette data: $_\n" for $@ || $! || ();
sub colcell {
- my $id = shift;
- my @rgb = @_ >= 3 ? @_ : (map {hex} $_[0] =~ /(..)/g);
- my $rgb24 = '';
- $rgb24 .= sprintf '%X', min($_ / 17 + .5, 15) for @rgb[0..2];
- my $rgb48 = '';
- $rgb48 .= sprintf '%02X', $_ for @rgb[0..2];
- my $inverse = sprintf('%X', luminance(@rgb)/255 < .3 ? 12 : 0) x 3;
- return sprintf '
%s | %s | %s',
- "background:#$rgb48; color:#$inverse",
- $id,
- "background:#000; color:#$rgb48",
- $rgb24,
- "background:#FFF; color:#$rgb48",
- $rgb24,
-}
+ my $name = shift // return " | \n";
+ my $col = Shiar_Sheet::Colour->new(@_);
+ my $minhex = $col->rgb24;
+ my $css = '#' . $col->rgb48;
+ my $inverse = '#' . sprintf('%X', $col->luminance/255 < .3 ? 12 : 0) x 3;
-my %col = (
- -name => [
- 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
- reverse hidden/,
- ],
- html => [
- qw/000000 CCCCCC/,
- qw/000000 800000 008000 808000 000080 800080 008080 C0C0C0
- 808080 FF0000 00FF00 FFFF00 0000FF FF00FF 00FFFF FFFFFF/,
- ],
- cga => [
- qw/000000 CCCCCC/,
- qw/000000 AA0000 00AA00 AA5500 0000AA AA00AA 00AAAA AAAAAA
- 555555 FF5555 55FF55 FFFF55 5555FF FF55FF 55FFFF FFFFFF/,
- ],
- xterm => [
- qw/000000 CCCCCC/,
- qw/000000 CC0000 00CC00 CCCC00 4682B4 CC00CC 00CCCC E5E5E5
- 4C4C4C FF0000 00FF00 FFFF00 1E90FF FF00FF 00FFFF FFFFFF/,
- ],
- tango => [
- qw/000000 CCCCCC/,
- qw/2E3436 CC0000 4E9A06 C4A000 3465A4 75507B 06989A D3D7CF
- 555753 EF2929 8AE234 FCE94F 729FCF AD7FA8 34E2E2 EEEEEC/,
- ],
-);
+ my $sample = [ qw(#000 #FFF) ];
+ ($name, $sample) = @$name if ref $name eq 'ARRAY';
-my @termlist = qw(html cga xterm tango);
-print ' | ', (map {''.$_} @termlist), " |
\n";
-for my $num (0 .. 15) {
- printf('
%s
'."\n",
- join('', map {
- my $rgb = $col{$_}[$num + 2];
- colcell($_ eq 'html' ? $col{-name}[$num] : $num, $rgb, $col{$_}[0])
- } @termlist ),
+ my $out = sprintf('
%s',
+ join(',', map { int } @$col),
+ "background:$css; color:$inverse",
+ $name,
);
+ $out .= sprintf('%s',
+ "background:$_; color:$css", $minhex
+ ) for @$sample;
+ return "$out\n";
+}
+
+sub img_egapal {
+ my ($palette) = @_;
+ return eval {
+ require Imager;
+ require MIME::Base64;
+
+ my @imgpal = map { Imager::Color->new(ref $_ ? @$_ : $_) } @{$palette};
+ state $reindex = $imgfile =~ s/!$//;
+ state $img = Imager->new(file => "data/palimage/$imgfile")
+ or die Imager->errstr.$/;
+ do {
+ if ($reindex) {
+ $img->to_paletted({
+ make_colors => 'none',
+ colors => \@imgpal,
+ translate => 'closest',
+ });
+ }
+ else {
+ @{[ $img->getcolors ]} == @imgpal
+ or die "incompatible palette size\n";
+ $img->setcolors(colors => \@imgpal);
+ $img;
+ }
+ }->write(data => \my $imgdata, type => 'png');
+ return sprintf '',
+ MIME::Base64::encode_base64($imgdata);
+ } || $@;
+}
+
+for my $term (@termlist) {
+ my $info = $palettes->{$term};
+ ref $info eq 'HASH' or next;
+ my $caption = $info->{name} // $term;
+ $caption = sprintf('<%s %s>%s%1$s>',
+ $info->{href} ? 'a' : 'span',
+ join(' ',
+ map { sprintf '%s="%s"', $_, $info->{$_} }
+ grep { defined $info->{$_} }
+ qw( href title )
+ ),
+ $caption,
+ ) if $info->{href} or $info->{title};
+
+ if (my $mapinfo = $info->{rgbmap}) {
+ print ''."\n";
+ printf "%s\n", $caption;
+ print coltable_hsv(@{$mapinfo});
+ print " \n\n";
+ }
+
+ if (my $colours = $info->{list}) {
+ if (my $reorder = $info->{ansiorder} and $get{v}) {
+ $colours = [ map { $colours->[$_] =~ s/:|$/:$_/r } @{$reorder} ];
+ }
+
+ print '', "\n";
+ printf "%s\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 $term eq 'xkcd';
+ print '', colcell($name, $rgb);
+ }
+
+ print ' ', img_egapal(\@{$colours}) if $imgfile;
+ print " | \n\n";
+ }
}
-:> |