X-Git-Url: http://git.shiar.nl/sheet.git/blobdiff_plain/721416af567c48d7963d771e2f282c390a2763ca..bac74b5934f22cc3d0e971d26fe0275f7f5db7b3:/termcol.plp diff --git a/termcol.plp b/termcol.plp index 0068acc..fbf7fe4 100644 --- a/termcol.plp +++ b/termcol.plp @@ -2,7 +2,7 @@ Html({ title => 'terminal colour cheat sheet', - version => '1.0', + version => '1.1', description => [ "Index of all terminal/console colour codes,", "with an example result of various environments.", @@ -14,21 +14,12 @@ Html({ stylesheet => [qw'light dark'], }); -my $imgfile = $get{img} // exists $get{img} && 'indi.png'; +my @draw = map { [$_, s/\W+\z//] } grep { $_ } split m(/), + $get{img} // exists $get{img} && 'indi.png'; my @termlist; push @termlist, split /\W+/, $ENV{PATH_INFO} || 'default'; -my %termgroup = ( - default => [qw( ansi xkcd ansi88 )], - more => [qw( ansi mirc legacy ansi256 )], - msx => [qw( msx1 msx2 arnejmp )], - ansi => [qw( cga xterm tango app html )], - legacy => [qw( c64 msx2 mac2 risc arnegame cpc )], -); -@{$_} = map { $termgroup{$_} ? @{ $termgroup{$_} } : $_ } @{$_} - for values %termgroup, \@termlist; - :>

Terminal colours

@@ -37,19 +28,21 @@ my %termgroup = ( as implemented by various systems and programs. <: print - "@termlist" ne "@{ $termgroup{default} }" ? 'Additional palettes are included as specified.' : + "@termlist" ne 'default' ? 'Additional palettes are included as specified.' : 'Also see 8-bit legacy hardware palettes.'; :>

<: -use 5.010; -use Shiar_Sheet::Colour '1.03'; +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 $@ || $! || (); +my $more = do 'termcol-xcolor.inc.pl'; +$palettes = {%$palettes, %$more}; sub colcell { my $name = shift // return "\n"; @@ -73,15 +66,17 @@ sub colcell { } sub img_egapal { - my ($palette) = @_; + my ($palette, $imgfile, $reindex) = @_; 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") + state $imgcache = {}; + my $img = $imgcache->{$imgfile} + //= Imager->new(file => "data/palimage/$imgfile") or die Imager->errstr.$/; + do { if ($reindex) { $img->to_paletted({ @@ -102,9 +97,16 @@ sub img_egapal { } || $@; } -for my $term (@termlist) { +sub coltable { + my ($term) = @_; my $info = $palettes->{$term}; + + if (ref $info eq 'ARRAY') { + coltable($_) for @{$info}; + } + ref $info eq 'HASH' or next; + my $caption = $info->{name} // $term; $caption = sprintf('<%s %s>%s', $info->{href} ? 'a' : 'span', @@ -123,26 +125,66 @@ for my $term (@termlist) { print "\n\n"; } - if (my $colours = $info->{list}) { - if (my $reorder = $info->{ansiorder} and $get{v}) { - $colours = [ map { $colours->[$_] =~ s/:|$/:$_/r } @{$reorder} ]; + if (my $table = $info->{table}) { + print ''."\n"; + printf "\n", $caption; + for my $row (@$table) { + print ''; + print colcell(ref $_ ? @$_ : $_ ? reverse split /:/ : undef) for @$row; } + if (@draw) { + my $width = scalar @{ $table->[0] }; + my @imgpal = map { + [ ref $_ ? @{$_}[1 .. 3] : map {hex} /(..)(..)(..)/ ] + } map { @{$_} } @{$table}; + for (@draw) { + print "
%s
", img_egapal(\@imgpal, @{$_}); + } + } + print "
\n\n"; + } + + if (my $palette = $info->{list}) { + my $order = $get{order} && $get{order}.'order'; + my $colours = colorder($palette, + $info->{$order} // $palettes->{ $info->{parent} }->{$order} + ); + + my $rows = 8; + my $columns = ceil(@{$palette} / $rows); + print '', "\n"; printf "\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); + for my $row (0 .. $rows - 1) { + print ''; + 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, $rgb); + } } - print '
%s
', img_egapal(\@{$colours}) if $imgfile; + for (@draw) { + my $imgpal = colorder($palette, + $info->{ansiorder} // $palettes->{ $info->{parent} }->{ansiorder} + ); + print "
", img_egapal($imgpal, @{$_}); + } print "
\n\n"; } } +sub colorder { + my ($palette, $reorder) = @_; + return [ map { $palette->[$_] =~ s/:(?![^:])|$/:$_/r } @{$reorder} ] + if $reorder; + return $palette; +} + sub coltable_hsv { my ($dim, $rgbval, $greyramp) = @_; @@ -151,31 +193,29 @@ sub coltable_hsv { my $smax = $dim - 1; $rgbval ||= sub { join('', @_), map { int $_ * 255 / $vmax } @_ }; - my %greymap; # name => value + my @greymap = @{$greyramp || []}; # [name, r, g=l, b] 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 $s = abs(min(@rgb) - max(@rgb)); + my ($h, $s, $v) = Shiar_Sheet::Colour->new(@rgb)->hsv; if (!$s) { - if ($greyramp) { - my ($index, $l) = $rgbval->(@rgb); - $greymap{$index} = $l; + if (@greymap) { + push @greymap, [ $rgbval->(@rgb) ]; next; } - $h = $hmax; # greyscale hue - $s = 1; # lowest saturation for other hues - $v = $s = $vmax if !$v; # black at full saturation + $h = 1; # greyscale hue + $s = $smax - $v + 1; # spread brightness over saturation groups + $v &&= $smax # highest saturation + or $v = $s = 1; # black at initial column } + $h *= $hmax; $v = $vmax - $v; $s = $smax - $s - $v; @@ -189,34 +229,30 @@ sub coltable_hsv { my $huerow = $colmap[0][0]; # first {$_} map { @{$_} } @colmap; for my $h (grep { $huerow->[$_] } 0 .. $#{$huerow}) { $out .= ''; - $out .= colcell(@$_) for map { $_->[$h] } map { @{$_} } @colmap; - } - - if ($greyramp) { - $offset += $dim ** 3; - $greymap{$offset++} = $_ for @{$greyramp}; + $out .= colcell(@$_) for map { $_->[$h] } map { reverse @{$_} } @colmap; } - if (%greymap) { + if (@greymap) { $out .= ''; my $col = 0; my $colbreak = scalar map { @$_ } @colmap; # same width as hue rows - for my $num (sort { $greymap{$a} <=> $greymap{$b} } keys %greymap) { + for my $cell (sort { $a->[1] <=> $b->[1] || $a->[0] <=> $b->[0] } @greymap) { $out .= '' unless $col++ % $colbreak; - $out .= colcell($num, ($greymap{$num})); + $out .= colcell(@{$cell}); } } - if ($imgfile) { - my @palette = map { [ @{$_}[1 .. 3] ] } map {@$_} map {@$_} @colmap; - my $imgdata = img_egapal(\@palette); + if (@draw) { + my @palette = map { [ @{$_}[1 .. 3] ] } @greymap, map {@$_} map {@$_} @colmap; my $tablespan = scalar map { @$_ } @colmap; + my $imgdata = img_egapal(\@palette, @{ $draw[0] }); $out .= "$imgdata"; } return $out; } +coltable($_) for @termlist; :>