<(common.inc.plp)><:
my $font = $Request;
Html({
title => 'font coverage '.($font ? "for $font" : 'sheet'),
version => '1.2',
keywords => [qw(
unicode font glyph char character support overview cover coverage
script block symbol sign mark reference table
)],
stylesheet => [qw( light dark mono circus red )],
data => [qw( unicode-cover.inc.pl )],
});
if ($font) {
my ($fontmeta, @cover) = do "ttfsupport/$font.inc.pl";
$fontmeta or die "Unknown font $font\n";
my $map = eval {
$get{map} or return;
my $groupinfo = do 'unicode-cover.inc.pl' or die $@ || $!;
my ($cat, $name) = split m{/}, $get{map}, 2 or die "invalid map\n";
if (!$name) {
($cat, $name) = ('table', $cat);
}
my $row = $groupinfo->{$cat}->{$name}
or die "unknown character group $cat/$name\n";
my $query = $row->{query};
my @map;
for (map { split /[^\d-]/ } $query) {
my @range = split /-/, $_, 2;
m/^[0-9]+$/ or die "Invalid code point $_ in query $query\n" for @range;
push @map, $_ for $range[0] .. ($range[1] // $range[0]);
}
return \@map;
};
die $@ if $@;
require Unicode::UCD;
my $pagerows = 0x200;
my $pagecols = 32;
my $offset = eval {
local $_ = $get{q} || 0;
return $_ if /\A\d+\z/; # numeric
return hex $1 if /\A (?: 0?x | u\W* ) ([0-9a-f]+) \z/ix; # hexadecimal
return $_->[0]->[0] for Unicode::UCD::charblock(ucfirst) || (); # block
die "Unknown offset query '$_'\n";
};
die $@ if $@;
say "Font coverage
";
say "$_
" for EscapeHTML($fontmeta->{name});
printf("Version %s released %s contains %d glyphs.",
!!$_->[2] && qq( title="revision $_->[2]"),
$_->[1], $_->[0],
scalar @cover,
) for [
grep { $_ }
($fontmeta->{date} || '?') =~ s/T.*//r,
EscapeHTML($fontmeta->{version}),
$fontmeta->{revision},
];
for ($fontmeta->{os}) {
say '
';
print ucfirst join(' ',
"distributed",
(map { "by $_" } $fontmeta->{oscorp} || "various sources"),
(map { "with $_" } $_ || ()),
('and published as freeware "Core Web font"') x ($_ eq 'Windows 2000'),
(map { "under a $_ license" }
map { $fontmeta->{license} ? qq($_) : $_ }
$_ && $_ ne 'Android' ? 'proprietary' : 'free',
),
);
print '.';
}
say '
';
say "$_
" for EscapeHTML($fontmeta->{copyright}) || ();
require Shiar_Sheet::FormatChar;
my $glyphs = Shiar_Sheet::FormatChar->new;
my %cover = map { ($_ => 1) } @cover; # lookup map
say <<"EOT";
EOT
say '';
my $offsetlink = '?' . join('&',
(map { $_ . '=' . EncodeURI($get{$_}) } grep { defined $get{$_} } qw{ map }),
'q',
);
say "$_" for join(' ', grep {$_}
$offset > $pagerows && sprintf('◄', $offsetlink, 0),
$offset > 0 && sprintf(
'◅',
$offsetlink, $offset - $pagerows,
),
sprintf('U+%04X', $map ? $map->[$offset] : $offset),
Unicode::UCD::charblock($map ? $map->[$offset] : $offset),
$offset + $pagerows < ($map ? @{$map} : 0x11_0000) && sprintf(
'▻',
$offsetlink, $offset + $pagerows,
),
);
for my $cp ($offset .. $offset+$pagerows-1) {
$cp = $map->[$cp] or next if $map;
state $colpos;
my $block = Unicode::UCD::charblock($cp);
if ($block ne (state $sameblock = $block) and $block ne 'No_Block') {
print '';
printf '| %s', $pagecols+1, $block
unless $block eq 'No_Block';
say '';
$sameblock = $block;
$colpos = 0;
}
if ($map) {
# compare previous code point and indicate gaps
state $lastcp = 0;
if ($cp != ++$lastcp) {
if (!$colpos or $colpos++ % $pagecols > $pagecols - 3) {
# nearly last column, start new row
$colpos = 0;
}
else {
# mark repositioning in existing row
printf ' | %X', $cp;
}
$lastcp = $cp;
}
}
say sprintf ' |
|---|
| %X', $cp if $colpos++ % $pagecols == 0;
my $info = $glyphs->glyph_info($cp);
my ($class, $name, $mnem, $entity, $string) = @{$info};
my $np = $class =~ /\bC\S\b/; # noprint if control or invalid
# display literal character, with placeholder circle if non-spacing/enclosing
my $html = ($class =~ /\bM[ne]\b/ && chr 9676) . EscapeHTML(chr $cp);
say sprintf ' | %s',
!$class ? ('l0', $cp, '', '') :
$cover{$cp} ? $np ? 'l2' : 'l5' : $np ? 'Xi' : 'l1',
$cp, !!$name && ": $name",
($cover{$cp} || !$np) && $html;
}
say ' |
|---|
';
exit;
}
:>
Font coverage
Character support of Unicode
blocks and presets.
<:
my $cover = do 'unicode-cover.inc.pl' or die $@ || $!;
my @ossel = @{ $cover->{osdefault} };
my @fontlist = map { @{ $cover->{os}->{$_} } } @ossel;
my @rows = (
'version/11',
'version/63',
'block/Latin-1 Supplement',
'block/Latin Extended-A',
'block/Latin Extended Additional',
'block/Latin Extended-B',
'script/Latin',
'script/Greek',
'script/Cyrillic',
'script/Arabic',
'script/Hebrew',
'script/Devanagari',
'script/Thai',
'script/Hangul',
'table/japanese',
'script/Han',
'table/ipa',
'table/punctuation',
'block/Dingbats',
'table/symbols',
'category/Sc', # currency
'table/math',
'category/Sm', # mathematical
'table/arrows/single',
'table/lines/single',
'table/block',
'table/lines',
'table/html',
);
if (my $group = $get{q}) {
my $grouprows = $cover->{$group}
or die "Unknown character category $_\n";
@rows = map { "$group/$_" } sort keys %{$grouprows};
}
# output character list
print '
';
print '';
print ""
for map { scalar @{ $cover->{os}->{$_} } } @ossel;
print '';
print '| ';
for my $os (@ossel) {
my $osfonts = $cover->{os}->{$os};
my $osfont = $cover->{fonts}->[ $osfonts->[0] ]; # first font
printf ' | %s', scalar @{$osfonts}, $osfont->{os} || ''
}
print ' |
';
print '| ';
printf(' | %s', map { EscapeHTML($_) }
join("\n", $_->{name}, $_->{description}),
"/font/$_->{file}",
$_->{abbr},
) for @{ $cover->{fonts} }[@fontlist];
say ' |
';
for (@rows) {
my ($group, $name) = split m{/}, $_, 2;
my $row = $cover->{$group}->{$name};
print '';
$name = sprintf 'Unicode v%.1f', $name / 10 if $group eq 'version';
$name = sprintf '%s', EncodeURI("/chars/$group/$name"), EscapeHTML($name)
if $row->{count} and $row->{count} < 1280;
print '| ', $name;
print ' | ', $row->{count};
for my $count (@{ $row->{support} }[@fontlist]) {
if (not defined $count) {
print ' | ?';
next;
}
if (not $count) {
print ' | ✘';
next;
}
if ($count == $row->{count}) {
print ' | ✔';
next;
}
my $rel = $count / $row->{count};
my $class = $rel < .5 ? 2 : $rel < .9 ? 3 : 4;
printf ' | %d', "l$class", $rel*10;
}
say ' |
';
}
say "
\n";
:>