X-Git-Url: http://git.shiar.nl/sheet.git/blobdiff_plain/327920b44dd5efaef9aa368512c938f5735021cf..d7efdac99433a38f91de80792fc037351798b267:/termcol.plp diff --git a/termcol.plp b/termcol.plp index 4de11c6..9411ba4 100644 --- a/termcol.plp +++ b/termcol.plp @@ -10,18 +10,33 @@ Html({ keywords => [qw' color code terminal console escape table xterm rxvt '], + data => ['termcol.inc.pl'], stylesheet => [qw'light dark'], }); :>

Terminal colours

+

+ANSI (VT100, ISO-6429) 16-colour text palette +as implemented by various systems and programs. +<: +print + !exists $get{v} ? 'Also see 8-bit legacy hardware palettes.' : + 'Also included are 8-bit legacy hardware palettes.'; +:> +

+
<: -use Shiar_Sheet::Colour '1.01'; +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 $name = shift; + my $name = shift // return "\n"; my $col = Shiar_Sheet::Colour->new(@_); my $minhex = $col->rgb24; my $css = '#' . $col->rgb48; @@ -40,177 +55,138 @@ sub colcell { return "$out\n"; } -my %col = ( - html => [ - sprintf('html', - 'HTML keywords (inherited by CSS≥2.1 and SVG), mostly identical to X11', - 'http://www.w3.org/TR/css3-color/#html4', - ), - qw/000000:black 800000:maroon 008000:green 808000:olive - 000080:navy 800080:purple 008080:cyan C0C0C0:silver - 808080:gray FF0000:red 00FF00:lime FFFF00:yellow - 0000FF:blue FF00FF:fuchsia 00FFFF:aqua FFFFFF:white /, - ], - cga => [ - undef, # linux console, kde? - qw/000000 AA0000 00AA00 AA5500 0000AA AA00AA 00AAAA AAAAAA - 555555 FF5555 55FF55 FFFF55 5555FF FF55FF 55FFFF FFFFFF/, -# qw/reset bold dim italic underline blink fastblink reverse hidden/, - ], - xterm => [ - undef, # rxvt except for blues - qw/000000 CC0000 00CC00 CCCC00 4682B4 CC00CC 00CCCC E5E5E5 - 4C4C4C FF0000 00FF00 FFFF00 1E90FF FF00FF 00FFFF FFFFFF/, - ], - tango => [ - undef, # default Gnome theme - qw/2E3436 CC0000 4E9A06 C4A000 3465A4 75507B 06989A D3D7CF - 555753 EF2929 8AE234 FCE94F 729FCF AD7FA8 34E2E2 EEEEEC/, - ], - xkcd => [ - sprintf('xkcd', - 'human averages in xkcd survey results', - 'http://blog.xkcd.com/2010/05/03/color-survey-results/', - ), - qw/000000:black 650021:maroon 15b01a:green 6e750e:olive - 01153e:navy 7e1e9c:purple 029386:teal c5c9c7:silver - 929591:grey e50000:red aaff32:lime ffff14:yellow - 0343df:blue ed0dd9:fuchsia 00ffff:cyan ffffff:white /, - ], - android => [ - sprintf('android', - 'http://developer.android.com/guide/practices/ui_guidelines/icon_design.html', - 'recommended colour palette for Android icons', - ), - qw/FFFFFF:white BFBFBF:light 808080:medium 404040:dark - 000000:black 6699FF:blue1 3366CC:blue2 003399:blue3 - 99CC33:green1 00CC00:green2 669933:green3 FFCC00:orange1 - FF9900:orange2 FF6600:orange3 CC0000:red /, - ], - app => [ - 'Term.app', - qw/000000 C23621 25BC24 ADAD27 492EE1 D338D3 33BBC8 CBCCCD - 818383 FC391F 31E722 EAEC23 5833FF F935F8 14F0F0 E9EBEB /, - ], - putty => [ - 'PuTTY', - qw/000000 BB0000 00BB00 BBBB00 0000BB BB00BB 00BBBB BBBBBB - 555555 FF5555 55FF55 FFFF55 5555FF FF55FF 55FFFF FFFFFF /, - ], - slutty => [ - sprintf('SluTTY', - 'http://www.npjh.com/slutty.html', - 'PuTTY fork with light colour scheme', - ), - qw/000000 9C1D1D 6C9446 AC9A47 335786 8F6496 486768 E0DCDC - 2F2F2F CD5757 8FC35B D1C45E 5C81A9 BC95B7 76CBCB EEEEEC /, - ], - mac2 => [ - 'MacII', - qw/FFFFFF FBF305 FF6403 DD0907 F20884 4700A5 0000D3 02ABEA - 1FB714 006412 562C05 90713A C0C0C0 808080 404040 000000 /, - ], - risc => [ - 'RISC', # v2/3 - qw/FFFFFF DDDDDD BBBBBB 999999 777777 555555 333333 000000 - 004499 EEEE00 00CC00 DD0000 EEEEBB 558800 FFBB00 00BBFF /, - ], - c64 => [ - 'C=64', # commodore 64/128 - map { - # 5-bit luma ± 2-bit colour angle - my ($y, $neg, $hue) = split /(-)|\+/; - - # convert to yuv - my ($u, $v) = (0, 0); - if (defined $hue) { - my $RAD = 3.14159; - $hue *= $RAD / 8; - $hue += $RAD if $neg; - $u = cos $hue; - $v = sin $hue; - } - - # convert to rgb - $y *= 255 / 32; - $_ = $_ * 127.5 + 128 for $u, $v; - Shiar_Sheet::Colour->newyuv($y, $u, $v)->rgb48; +if ($get{v}) { + my %reorder = ( + arnegame => [ 0,5,9,12 , 3,6,10,13,1 , 4,7,8,11,14,15,2 ], + arnegame => [ 0,3,10,6,12,9,13,1 , 5,7,11,8,14,4,15,2 ], + c64 => [ 0,2,5,9,6,4,3,15 , 11,10,13,7,14,8,12,1 ], + msx2 => [ 0,6,2,10,4,13,7,14 , 1,8,3,11,5,9,12,15 ], + risc => [ 7,11,13,14,8,12,15,1, 6,5,10,9,4,3,2,0], + mac2 => [ 15,3,9,11,6,5,7,12 , 14,2,8,1,13,4,10,0 ], + ); + $reorder{$_} = $reorder{msx2} for qw( msx1 arnejmp ); + while (my ($name, $order) = each %reorder) { + for my $pal ( $palettes->{$name}) { + $pal = [ map { $pal->[$_ + 1] =~ s/:|$/:$_/r } -1, @{$order} ]; } - qw/ 0 32 10+5 20-5 12+2 16-2 8+0 24-0 - 12+6 8+7 16+5 10 15 24-2 15+0 20 /, - ], - msx => [ - 'MSX', - map { s{([0-7])}{sprintf '%02X', $1 / 7 * 255}egr } - qw/ 000 000 161 373 117 237 511 267 - 711 733 661 663 141 625 555 777 /, - ], -); + } +} + +my @termlist = qw( cga xterm tango app html xkcd ); +push @termlist, qw( c64 msx2 mac2 risc arnegame ) if exists $get{v}; +for my $term (@termlist) { + my ($name, @index) = @{ $palettes->{$term} }; + my $caption = $name // $term; -for my $term (qw/cga xterm tango app html xkcd/) { print '', "\n"; - printf "\n", $col{$term}[0] || $term; - for my $num (1 .. $#{ $col{$term} }) { - my ($rgb, $name) = split /:/, $col{$term}[$num], 2; - $name ||= $num - 1; + printf "\n", $caption; + for my $num (0 .. $#index) { + my ($rgb, $name) = split /:/, $index[$num], 3; + $name ||= $num; $name = [ $name, ['#333'] ] if $term eq 'xkcd'; print '', colcell($name, $rgb); } print "
%s%s
\n\n"; } + +if (exists $get{v}) { + print "\n"; + print "\n"; + print coltable_hsv(3, sub { + $_[2] + 3 * ($_[0] + 3 * $_[1]), + map { $_ && $_ * 127 + 1 } @_ + }); + print "
Amstrad CPC
\n\n"; +} :>
-

88-colour space

<: -for my $r (0 .. 3) { - print ''; - for my $g (0 .. 3) { - print ''; - for my $b (0 .. 3) { - my $index = $r*4*4 + $g*4 + $b + 16; - print colcell($index, map {(0, 139, 205, 255)[$_]} $r, $g, $b); +sub coltable_hsv { + my ($dim, $rgbval, $greyramp) = @_; + + my $hmax = 2 * $dim * 3; # each face of the rgb cube + my $vmax = $dim - 1; + my $smax = $dim - 1; + $rgbval ||= sub { join('', @_), map { int $_ * 255 / $vmax } @_ }; + $greyramp ||= []; + + my %greymap; # name => value + my @colmap; # saturation => value => hue => [name, r,g,b] + my $offset = 16 * ($dim > 3); + + for my $r (0 .. $dim - 1) { + for my $g (0 .. $dim - 1) { + for my $b (0 .. $dim - 1) { + my @rgb = ($r, $g, $b); + + my $h = Shiar_Sheet::Colour->new(@rgb)->hue * $hmax; + my $v = max(@rgb); + my $s = abs(min(@rgb) - max(@rgb)); + + if (!$s) { + my ($index, $l) = $rgbval->(@rgb); + $greymap{$index} = $l; + next; + } + + $v = $vmax - $v; + $s = $smax - $s - $v; + + $colmap[$s][$v][$h] = [ $rgbval->(@rgb) ]; + } } } - print "
\n"; -} -print "\n"; -print ''; -print colcell(80+$_, (($_ + 2 + ($_>0)) * 255/11) x 3) for 0 .. 7; -print "
\n\n"; + my $out = ''; + $out .= sprintf '', 3 * @{$_} for @colmap; + my $huerow = $colmap[0][0]; # first {$_} map { @{$_} } @colmap; + for my $h (grep { $huerow->[$_] } 0 .. $#{$huerow}) { + $out .= ''; + $out .= colcell(@$_) for map { $_->[$h] } map { @{$_} } @colmap; + } -:>
-<: if ($ENV{PATH_INFO} =~ /256/) { :> -
+ $offset += $dim ** 3; + $greymap{$offset++} = $_ for @{$greyramp}; -
-

256-colour space

-<: -for my $r (0 .. 5) { - print ''; - for my $g (0 .. 5) { - print ''; - for my $b (0 .. 5) { - my $index = $r*6*6 + $g*6 + $b + 16; - print colcell($index, map { $_ && $_*40 + 55 } $r, $g, $b); - } + $out .= ''; + my $col = 0; + my $colbreak = scalar map { @$_ } @colmap; # same width as hue rows + for my $num (sort { $greymap{$a} <=> $greymap{$b} } keys %greymap) { + $out .= '' unless $col++ % $colbreak; + $out .= colcell($num, ($greymap{$num}) x 3); } - print "
\n"; -} -print "\n"; - print ''; -for my $row (0, 12) { - print ''; - print colcell(232+$_, ($_*10 + 8) x 3) for $row .. $row+11; + return $out; } + +{ + print "

88-colour space

\n"; + print "
\n"; + print coltable_hsv(4, + sub { + $_[2] + 4 * ($_[1] + 4 * $_[0]) + 16, + map { (0, 139, 205, 255)[$_] } @_ + }, + [map { ($_ + 2 + ($_>0)) * 255/11 } 0 .. 7], + ); print "
\n"; -print "\n"; +} +if ($ENV{PATH_INFO} =~ /256/) { + print "

256-colour space

\n"; + print "\n"; + print coltable_hsv(6, + sub { + $_[2] + 6 * ($_[1] + 6 * $_[0]) + 16, + map { $_ && $_*40 + 55 } @_ + }, + [ map { $_ * 10 + 8 } 0 .. 23 ], + ); + print "
\n"; +} :>
-<: } :>