X-Git-Url: http://git.shiar.nl/sheet.git/blobdiff_plain/ff84da253ec62aa4a552d8b98aae013b0c7ea5f8..4f3782455010e83df98953a4fa4f146577b9a888:/termcol.plp diff --git a/termcol.plp b/termcol.plp index 44ee75b..850ff83 100644 --- a/termcol.plp +++ b/termcol.plp @@ -14,6 +14,22 @@ Html({ stylesheet => [qw'light dark'], }); +my @draw = map { [$_, s/\W+\z//] } grep { $_ } split m(/), + $get{img} // exists $get{img} && 'indi.png'; + +my @termlist; +push @termlist, split /\W+/, $ENV{PATH_INFO} || 'default'; + +my %termgroup = ( + default => [qw( ansi xkcd ansi88 )], + more => [qw( ansi mirc legacy ansi256 )], + msx => [qw( msx1 msx2 arnejmp )], + ansi => [qw( cga xterm tango app html cgarne )], + legacy => [qw( c64 msx2 mac2 risc arnegame cpc )], +); +@{$_} = map { $termgroup{$_} ? @{ $termgroup{$_} } : $_ } @{$_} + for values %termgroup, \@termlist; + :>

Terminal colours

@@ -22,21 +38,23 @@ Html({ 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.'; + "@termlist" ne "@{ $termgroup{default} }" ? 'Additional palettes are included as specified.' : + 'Also see 8-bit legacy hardware palettes.'; :>

<: -use Shiar_Sheet::Colour '1.03'; +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 $@ || $! || (); sub colcell { - my $name = shift // return "\n"; + my $name = shift // return "\n"; my $col = Shiar_Sheet::Colour->new(@_); my $minhex = $col->rgb24; my $css = '#' . $col->rgb48; @@ -47,33 +65,47 @@ sub colcell { my $out = sprintf('%s', join(',', map { int } @$col), - "background:$css; color:$inverse; padding:0 1ex", + "background:$css; color:$inverse", $name, ); - $out .= sprintf '%s', "background:$_; color:$css", $minhex - for @$sample; + $out .= sprintf('%s', + "background:$_; color:$css", $minhex + ) for @$sample; return "$out\n"; } -if ($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, @{$order} ]; - } - } +sub img_egapal { + my ($palette, $imgfile, $reindex) = @_; + return eval { + require Imager; + require MIME::Base64; + + my @imgpal = map { Imager::Color->new(ref $_ ? @$_ : $_) } @{$palette}; + state $imgcache = {}; + my $img = $imgcache->{$imgfile} + //= 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); + } || $@; } -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 $info = $palettes->{$term}; ref $info eq 'HASH' or next; @@ -88,34 +120,63 @@ for my $term (@termlist) { $caption, ) if $info->{href} or $info->{title}; - if (my $colours = $info->{list}) { - print '', "\n"; + if (my $mapinfo = $info->{rgbmap}) { + print '
'."\n"; + printf "\n", $caption; + print coltable_hsv(@{$mapinfo}); + print "
%s
\n\n"; + } + + if (my $table = $info->{table}) { + print ''."\n"; printf "\n", $caption; - for my $num (0 .. $#{$colours}) { - my ($rgb, $name) = split /:/, $colours->[$num], 3; - $name ||= $num; - $name = [ $name, ['#333'] ] if $term eq 'xkcd'; - print '', colcell($name, $rgb); + for my $row (@$table) { + print ''; + print colcell(@$_) for @$row; } print "
%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"; + 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 $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); + } + } + + for (@draw) { + my $imgpal = colorder($palette, + $info->{ansiorder} // $palettes->{ $info->{parent} }->{ansiorder} + ); + print "
%s
", img_egapal($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) = @_; @@ -123,27 +184,30 @@ sub coltable_hsv { my $vmax = $dim - 1; my $smax = $dim - 1; $rgbval ||= sub { join('', @_), map { int $_ * 255 / $vmax } @_ }; - $greyramp ||= []; - my %greymap; # name => value + my @greymap = @{$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) { - my ($index, $l) = $rgbval->(@rgb); - $greymap{$index} = $l; - next; + if (@greymap) { + push @greymap, [ $rgbval->(@rgb) ]; + next; + } + + $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; @@ -153,52 +217,33 @@ sub coltable_hsv { } my $out = ''; - $out .= sprintf '', 3 * @{$_} for @colmap; + $out .= sprintf '', scalar @{$_} 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; + $out .= colcell(@$_) for map { $_->[$h] } map { reverse @{$_} } @colmap; } - $offset += $dim ** 3; - $greymap{$offset++} = $_ for @{$greyramp}; + if (@greymap) { + $out .= ''; + my $col = 0; + my $colbreak = scalar map { @$_ } @colmap; # same width as hue rows + for my $cell (sort { $a->[1] <=> $b->[1] || $a->[0] <=> $b->[0] } @greymap) { + $out .= '' unless $col++ % $colbreak; + $out .= colcell(@{$cell}); + } + } - $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); + 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; } -{ - 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"; -} - -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"; -} :>