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lyx_mirror/development/tools/listFontWithLang.pl
Kornel Benko 580057bef7 Tools(listFontWithLang.pl): Polishing
2020-05-21 11:50:42 +02:00

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#! /usr/bin/env perl
# -*- mode: perl; -*-
# file listFontWithLang.pl
# This file is part of LyX, the document processor.
# Licence details can be found in the file COPYING
# or at http://www.lyx.org/about/licence.php
#
# author Kornel Benko
# Full author contact details are available in the file CREDITS
# or at https://www.lyx.org/Credits
#
# Usage: listFontWithLang.pl <options>
# Displays installed system font names selected by <options>
# Option-strings with more that 1 char need be prefixed by '--'
#
# Option to get list of options: -h
#
# Some equivalencies for instance with option -n
# -n arial
# -N=arial
# --nAme=Arial
# --name arial
# Options and option-parameter are case insensitive
BEGIN {
use File::Spec;
my $p = File::Spec->rel2abs( __FILE__ );
$p =~ s/[\/\\]?[^\/\\]+$//;
unshift(@INC, $p);
}
use strict;
use warnings;
use Encode;
use GetOptions;
sub convertlang($);
sub extractlist($$$); # my ($l, $islang, $txt, $rres) = @_;
sub getIndexes($$);
sub getVal($$$); # my ($l, $txtval, $txtlang) = @_;
sub getproperties($$$$);
sub ismathfont($$);
sub correctstyle($);
sub decimalUnicode($);
sub contains($$);
# Following fields for a parameter can be defined:
# fieldname: Name of entry in %options
# type: [:=][sif], ':' = optional, '=' = required, 's' = string, 'i' = integer, 'f' = float
# alias: reference to a list of aliases e.g. ["alias1", "alias2", ... ]
# listsep: Separator for multiple data
# comment: Parameter description
my @optionsDef = (
# help + verbose already handled in 'GetOptions'
["n",
{fieldname => "FontName", listsep => ',',
type => "=s", alias => ["name"],
comment => "Select font-names matching these (comma separated) regexes"},],
["nn",
{fieldname => "NFontName",
type => "=s", listsep => ',',
comment => "Select font-names NOT matching these (comma separated) regexes"},],
["p",
{fieldname => "Property",
type => "=s", listsep => ',',
comment => "Select fonts with properties matching these (comma separated) regexes"},],
["np",
{fieldname => "NProperty",
type => "=s", listsep => ',',
comment => "Select fonts with properties NOT matching these (comma separated) regexes"},],
["s",
{fieldname => "Scripts",
type => "=s", listsep => ',',
comment => "Select fonts with scripts matching these (comma separated) regexes"},],
["ns",
{fieldname => "NScripts",
type => "=s", listsep => ',',
comment => "Select fonts with scripts NOT matching these (comma separated) regexes"},],
["math",
{fieldname => "Math",
comment => "Select fonts probably containing math glyphs"},],
["c",
{fieldname => "Contains",
type => "=s", listsep => ',',
comment => "Select fonts containing all these (possibly comma separated) glyphs",}],
["l",
{fieldname => "Lang",
type => "=s", alias=>["lang"],
comment => "Comma separated list of desired languages"},],
["pc",
{fieldname => "PrintCharset", alias => ["printcharset"],
comment => "Print intervals of supported unicode character values"},],
["pl",
{fieldname => "PrintLangs", alias => ["printlangs"],
comment => "Print supported languages"},],
["pp",
{fieldname => "PrintProperties", alias => ["printproperties"],
comment => "Print properties from weight, slant and width"},],
["ps",
{fieldname => "PrintScripts", alias => ["printscripts"],
comment => "Print supported scripts"},],
["pf",
{fieldname => "PrintFiles", alias => ["printfiles"],
comment => "Print font file names"},],
["pw",
{fieldname => "PrintWarnings",
comment => "Print warnings about discarded/overwritten fonts, conflicting styles"},],
);
my %options = %{&handleOptions(\@optionsDef)};
$options{Lang} = "" if (! defined($options{Lang}));
#############################################################
my @langs = split(',', $options{Lang});
for my $lg (@langs) {
$lg = &convertlang($lg);
}
if (defined($options{Contains})) {
my %glyphs = (); # To ignore duplicates
for my $a1 (@{$options{Contains}}) {
for my $e (decimalUnicode($a1)) {
$glyphs{$e} = 1;
}
}
# create intervalls
my @glyphs = sort {$a <=> $b;} keys %glyphs;
# $options{Contains} no longer needed, so use it for unicode-point intervalls
$options{Contains} = [];
my ($first, $last) = (undef, undef);
for my $i (@glyphs) {
if (! defined($last)) {
$first = $i;
$last = $i;
next;
}
if ($i == $last+1) {
$last = $i;
next;
}
push(@{$options{Contains}}, [$first, $last]);
$first = $i;
$last = $i;
}
if (defined($last)) {
push(@{$options{Contains}}, [$first, $last]);
}
}
my $cmd = "fc-list";
if (defined($langs[0])) {
$cmd .= " :lang=" . join(',', @langs);
}
my $format = "foundry=\"%{foundry}\"" .
" postscriptname=\"%{postscriptname}\"" .
" fn=\"%{fullname}\" fnl=\"%{fullnamelang}\"" .
" family=\"%{family}\" flang=\"%{familylang}\" " .
" style=\"%{style}\" stylelang=\"%{stylelang}\"";
if (exists($options{PrintScripts}) || defined($options{Scripts}) || defined($options{NSpripts}) || exists($options{Math})) {
$format .= " script=\"%{capability}\"";
}
if (exists($options{PrintLangs}) || defined($langs[0])) {
$format .= " lang=\"%{lang}\"";
}
if (exists($options{PrintProperties}) || defined($options{Property}) || defined($options{NProperty})) {
$format .= " weight=%{weight} slant=%{slant} width=%{width} spacing=%{spacing}";
}
if (defined($options{Contains}) || exists($options{PrintCharset})) {
$format .= " charset=\"%{charset}\"";
}
$format .= " file=\"%{file}\" abcd\\n";
$cmd .= " -f '$format'";
#print "$cmd\n";
my %ftypes = (
# Dummy internal map
0 => "Serif",
100 => "Sans",
110 => "Script",
120 => "Fraktur",
130 => "Fancy",
140 => "Initials",
200 => "Symbol",
"default" => "Serif",
);
my %weights = (
0 => "Thin",
40 => "Extralight",
50 => "Light",
55 => "Semilight",
75 => "Book",
80 => "Regular",
100 => "Medium",
180 => "Semibold",
200 => "Bold",
205 => "Extrabold",
210 => "Black",
215 => "ExtraBlack",
);
my %slants = (
0 => "Roman",
100 => "Italic",
110 => "Oblique",
);
my %widths = (
50 => "Ultracondensed",
63 => "Extracondensed",
75 => "Condensed",
87 => "Semicondensed",
100 => "Normal",
113 => "Semiexpanded",
125 => "Expanded",
150 => "Extraexpanded",
200 => "Ultraexpanded",
);
my %spacings = (
0 => "Proportional",
90 => "Dual",
100 => "Mono",
110 => "Charcell",
"default" => "Proportional",
);
# Build reverse mappings, (not needed yet)
for my $txt (qw(ftypes weights slants widths spacings)) {
my $map;
eval "\$map = \\%$txt";
for my $key (keys %{$map}) {
next if ($key !~ /^\d+$/);
my $value = lc($map->{$key});
$map->{"r"}->{$value} = $key;
}
}
# key:= fontname
# subkey foundry
# subfoundry
my %collectedfonts = ();
my %fontpriority = (
otf => 0, # type 2, opentype CFF (Compact Font Format)
ttc => 1.1, # type 1 (True Type font Collection)
ttf => 1.2, # type 1 (True Type Font)
woff=> 1.3, # type 1 (Web Open Font Format)
t1 => 1.4, # type 1 (postscript)
pfb => 1.5, # type 1 (Printer Font Binary)
pfa => 1.6, # type 1 (Printer Font Ascii)
pcf => 5, # Bitmap (Packaged Collaboration Files)?
);
my $nexttype = 6;
# list of regexes for known sans serif fonts
my %sansFonts = (
"value" => 100, # Sans serif
"a" => qr/^(arial|andika|angostura|anonymous|arab|aroania|arimo|asap)/i,
"b" => qr/^b(aekmuk|ebas|erenika|eteckna|euron|lue)/i,
"c" => qr/^c(abin|aliban|antarell|arbon|arlito|handas|hivo|mu bright|omfortaa|omic|oolvetica|ortoba|ousine|uprum|wtex(hei|yen)|yklop|ypro)/i,
"d" => qr/^(d2coding|dimnah|dosis|dyuthi)/i,
"e" => qr/^(electron|engebrechtre)/i,
"f" => qr/^(fandolhei|fetamont|fira|font awesome 5|forgotten)/i,
"g" => qr/^(gardiner|garuda|gfs ?neo|gillius|granada|graph|guanine|gunplay)/i,
"h" => qr/^(hack|hani|haramain|harano|harmattan|hor\b)/i,
"i" => qr/^(ibm plex|ikarius|inconsolata|induni.?h|iwona)/i,
"j" => qr/^(jara|jura)/i,
"k" => qr/^(kalimati|kanji|karla|kayrawan|kenyan|keraleeyam|khalid|khmer [or]|kiloji|klaudia|komatu|kurier)/i,
"l" => qr/^l(aksaman|arabie|ato|eague|exend|exigulim|ibel|iberation|ibre franklin|ibris|inux biolinum|obster|ogix|ohit|oma)/i,
"m" => qr/^m(\+ |anchu|anjari|arcellus|ashq|eera|etal|igmix|igu|ikachan|intspirit|ona|onlam|ono(fonto|id|isome|noki)|ontserrat|otoyal|ukti|usica)/i,
"n" => qr/^(nachlieli|nada|nafees|nagham|nanum(barunpen|square)|nice)/i,
"o" => qr/^(ocr|okolaks|opendyslexic|ostorah|ouhud|over|oxygen)/i,
"p" => qr/^(padauk|padmaa|pagul|paktype|pakenham|palladio|petra|phetsarath|play\b|poiret|port\b|primer\b|prociono|pt\b|purisa)/i,
"q" => qr/^(qt(ancient|helvet|avanti|doghaus|eratype|eurotype|floraline|frank|fritz|future|greece|howard|letter|optimum)|quercus)/i,
"r" => qr/^(rachana|radio\b|raleway|ricty|roboto|rosario)/i,
"s" => qr/^(salem|samanata|sawasdee|shado|sharja|simple|sophia|soul|source|switzera)/i,
"t" => qr/^(tarablus|teen|texgyre(adventor|heros)|tiresias|trebuchet|tscu|tuffy)/i,
"u" => qr/^(ubuntu|ukij (bom|chechek|cjk|diwani|ekran|elipbe|inchike|jelliy|kufi|qara|qolyazma|teng|title|tor)|umpush|un ?(dinaru|jamo|graphic|taza|vada|yetgul)|uni(kurd|space|versalis)|uroob|urw ?classico)/i,
"v" => qr/^(veranda|vn ?urwclassico)/i,
"w" => qr/^(waree)/i,
"y" => qr/^(yanone)/i,
"z" => qr/^(zekton|zero)/i,
);
my %scriptFonts = (
"value" => 110, # Script
"c" => qr/^(chancery)/i,
"d" => qr/^(dancing)/i,
"e" => qr/^(elegante)/i,
"k" => qr/^(kaushan|karumbi)/i,
"m" => qr/^(mathjax_script|miama)/i,
"n" => qr/^(nanum (brush|pen) script)/i,
"q" => qr/^qt(arabian|boulevard|brushstroke|chancery|coronation|florencia|handwriting|linostroke|merry|pandora|slogan)/i,
"r" => qr/^(romande.*|ruf)script/i,
"u" => qr/^(un ?pilgi|urw ?chancery)/i,
);
my %fraktFonts = (
"value" => 120, # Fraktur
"j" => qr/^(jsmath.?euf)/i,
"m" => qr/^(missaali)/i,
"o" => qr/^(oldania)/i,
"q" => qr/^qt(blackforest|cloisteredmonk|dublinirish|fraktur|heidelbergtype|(lino|london)scroll)/i,
);
my %fancyFonts = (
"value" => 130, # Fancy
"c" => qr/^(cretino)/i,
"g" => qr/^(gfs.?theo)/i,
);
my %initialFonts = (
"value" => 140, # Initials
"e" => qr/^(eb.?garamond.?init)/i,
"l" => qr/^(libertinus|linux).*initials/i,
"y" => qr/^(yinit)/i,
);
my %symbolFonts = (
"value" => 200, # Symbol
"a" => qr/^(academicons)/i,
"c" => qr/^(caladings|ccicons|chess)/i,
"d" => qr/^(dingbats|drmsym)/i,
"e" => qr/^(elusiveicons|emoji)/i,
"f" => qr/^(fdsymbol|fourierorns)/i,
"h" => qr/^(hots)/i,
"m" => qr/^(marvosym|material)/i,
"n" => qr/^(noto.*emoji)/i,
"o" => qr/^(octicons)/i,
"q" => qr/^(qtdingbits)/i,
"t" => qr/^(typicons|twemoji)/i,
"w" => qr/^(webdings)/i,
);
if (open(FI, "$cmd |")) {
NXTLINE: while (my $l = <FI>) {
chomp($l);
while ($l !~ /abcd$/) {
$l .= <FI>;
chomp($l);
}
my $file = "";
my $fonttype;
if ($l =~ /file=\"([^\"]+)\"/) {
$file = $1;
#next if ($file !~ /\.(otf|ttf|pfa|pfb|pcf|ttc)$/i);
if ($file !~ /\.([a-z0-9]{2,5})$/i) {
print "Unhandled extension for file $file\n";
next;
}
$fonttype = lc($1);
if (! defined($fontpriority{$fonttype})) {
print "Added extension $fonttype for file $file\n";
$fontpriority{$fonttype} = $nexttype;
$nexttype++;
}
}
my %usedlangs = ();
if ($l =~ / lang=\"([^\"]+)\"/) {
my @ll = split(/\|/, $1);
for my $lx (@ll) {
$usedlangs{&convertlang($lx)} = 1;
}
}
for my $lang (@langs) {
next NXTLINE if (! defined($usedlangs{$lang}));
}
my $style = &getVal($l, "style", "stylelang");
$style =~ s/^\\040//;
my $fullname = &getVal($l, "fn", "fnl");
my $postscriptname = "";
if ($l =~ /postscriptname=\"([^\"]+)\"/) {
$postscriptname = $1;
}
my $family = &getVal($l, "family", "flang");
$family =~ s/\\040/\-/;
my $fontname;
if (length($fullname) < 3) {
if (length($postscriptname) < 2) {
$fontname = "$family $style";
}
else {
$fontname = $postscriptname;
}
}
else {
$fontname = $fullname;
}
if (defined($options{NFontName})) {
for my $fn (@{$options{NFontName}}) {
next NXTLINE if ($fontname =~ /$fn/i);
}
}
if (defined($options{FontName})) {
for my $fn (@{$options{FontName}}) {
next NXTLINE if ($fontname !~ /$fn/i);
}
}
my @charlist = ();
if (defined($options{Contains}) || exists($options{PrintCharset})) {
if ($l =~ / charset=\"([^\"]+)\"/) {
my @list = split(/\s+/, $1);
for my $e (@list) {
my ($l, $h) = split('-', $e);
$h = $l if (! defined($h));
push(@charlist, [hex($l), hex($h)]);
}
}
if (defined($options{Contains})) {
for my $g (@{$options{Contains}}) {
next NXTLINE if (! contains($g, \@charlist));
}
}
}
my $props = "";
my @errors = ();
if (exists($options{PrintProperties}) || defined($options{Property}) || defined($options{NProperty})) {
my $properties = getproperties($l, $fontname, $style, \@errors);
if (defined($options{Property})) {
for my $pn (@{$options{Property}}) {
next NXTLINE if ($properties !~ /$pn/i);
}
}
if (defined($options{NProperty})) {
for my $pn (@{$options{NProperty}}) {
next NXTLINE if ($properties =~ /$pn/i);
}
}
if (exists($options{PrintProperties})) {
$props .= " ($properties)";
}
}
if (exists($options{PrintLangs})) {
$props .= '(' . join(',', sort keys %usedlangs) . ')';
}
if (exists($options{PrintCharset})) {
my @out = ();
for my $rE (@charlist) {
if ($rE->[0] != $rE->[1]) {
push(@out, $rE->[0] . '-' . $rE->[1]);
}
else {
push(@out, $rE->[0]);
}
}
$props .= '(' . join(',', @out) . ')';
}
if (exists($options{PrintScripts}) || defined($options{Scripts}) || defined($options{NScripts}) || exists($options{Math})) {
my @scripts = ();
my $scripts = "";
if ($l =~ / script=\"([^\"]+)\"/) {
@scripts = split(/\s+/, $1);
for my $ent (@scripts) {
$ent =~ s/^\s*otlayout://;
$ent = lc($ent);
}
$scripts = join(',', @scripts);
}
if (exists($options{Math})) {
next NXTLINE if (! &ismathfont($fontname,\@scripts));
}
if (exists($options{PrintScripts})) {
$props .= "($scripts)";
}
if (!defined($scripts[0])) {
# No script defined in font, so check only $options{Scripts}
next NXTLINE if (defined($options{Scripts}));
}
else {
if (defined($options{Scripts})) {
for my $s (@{$options{Scripts}}) {
next NXTLINE if ($scripts !~ /$s/i);
}
}
if (defined($options{NScripts})) {
for my $s (@{$options{NScripts}}) {
next NXTLINE if ($scripts =~ /$s/i);
}
}
}
}
my $foundry = "";
if ($l =~ /foundry=\"([^\"]+)\"/) {
$foundry = $1;
$foundry =~ s/^\s+//;
$foundry =~ s/\s+$//;
}
if (defined($collectedfonts{$fontname}->{$foundry}->{errors})) {
# Apparently not the first one, so add some info
my $oldfonttype = $collectedfonts{$fontname}->{$foundry}->{fonttype};
if (defined($errors[0])) {
push(@{$collectedfonts{$fontname}->{$foundry}->{errors}}, @errors);
}
if ($fontpriority{$oldfonttype} > $fontpriority{$fonttype}) {
push(@{$collectedfonts{$fontname}->{$foundry}->{errors}}, "Warning: overwriting old info for file: " . $collectedfonts{$fontname}->{$foundry}->{file});
}
else {
push(@{$collectedfonts{$fontname}->{$foundry}->{errors}}, "Warning: discarding new info for file: $file");
next;
}
}
else {
$collectedfonts{$fontname}->{$foundry}->{errors} = \@errors;
}
$collectedfonts{$fontname}->{$foundry}->{props} = $props;
$collectedfonts{$fontname}->{$foundry}->{file} = $file;
$collectedfonts{$fontname}->{$foundry}->{fonttype} = $fonttype;
}
close(FI);
}
for my $fontname (sort keys %collectedfonts) {
my @foundries = sort keys %{$collectedfonts{$fontname}};
my $printfoundries = 0;
if (defined($foundries[1])) {
$printfoundries = 1;
}
for my $foundry (@foundries) {
if (exists($options{PrintWarnings})) {
for my $err (@{$collectedfonts{$fontname}->{$foundry}->{errors}}) {
print "$err\n";
}
}
my $fn = "Font : $fontname";
if ($printfoundries && ($foundry ne "")) {
$fn .= " \[$foundry\]";
}
print $fn;
print $collectedfonts{$fontname}->{$foundry}->{props};
if (exists($options{PrintFiles})) {
print ": " . $collectedfonts{$fontname}->{$foundry}->{file} . "\n";
}
else {
print "\n";
}
}
}
exit(0);
#################################################################################
sub convertlang($)
{
my ($ilang) = @_;
if ($ilang =~ /^\s*([a-z]+)([\-_]([a-z]+))?\s*$/i) {
my ($x, $y) = ($1, $3);
if (defined($y)) {
$ilang = lc($x) . '-' . lc($y);
}
else {
$ilang = lc($x);
}
}
return($ilang);
}
sub extractlist($$$)
{
my ($l, $islang, $txt, $rres) = @_;
my @res = ();
if ($l =~ /$txt=\"([^\"]+)\"/) {
@res = split(',', $1);
if ($islang) {
for my $lg (@res) {
$lg = &convertlang($lg);
}
}
}
@{$rres} = @res;
}
sub getIndexes($$)
{
my ($lang, $rlangs) = @_;
my @res = ();
for (my $i = 0; defined($rlangs->[$i]); $i++) {
if ($rlangs->[$i] eq $lang) {
push(@res, $i);
}
}
return(\@res);
}
sub getVal($$$)
{
my ($l, $txtval, $txtlang) = @_;
my @values = ();
my @langs = ();
&extractlist($l, 0, $txtval, \@values);
return("") if (! defined($values[0]));
&extractlist($l, 1, $txtlang, \@langs);
my $i = &getIndexes("en", \@langs);
my $res = "";
for my $k (@{$i}) {
if (defined($values[$k]) && (length($values[$k]) > length($res))) {
$res = $values[$k];
}
}
return($values[0]) if ($res eq "");
return($res);
}
sub getsinglevalue($$$)
{
my ($l, $txt, $rMap, $rget) = @_;
my $val;
if ($l =~ / $txt=(\d+)/) {
$val = $1;
# Search for nearest value to $val
if (defined($rMap->{$val})) {
return($rMap->{$val});
}
my $maxv = -1;
my $minv = 1000;
for my $key (keys %{$rMap}) {
next if ($key !~ /^\d+$/);
my $diff = abs($key - $val);
if ($diff < $minv) {
$maxv = $key;
$minv = $diff;
}
elsif ($diff == $minv) {
if ($key < $maxv) {
$maxv = $key;
}
}
}
if (! defined($rMap->{$maxv})) {
print "ERROR2: txt=$txt, val=$val\n";
exit(-2);
}
if ($val > $maxv) {
return($rMap->{$maxv} . "+$minv");
}
else {
return($rMap->{$maxv} . "-$minv");
}
}
else {
return(undef);
}
}
sub addTxt($$)
{
my ($txt, $val) = @_;
return("$txt($val)");
}
sub getftype($$)
{
my ($fontname, $style) = @_;
if ($fontname =~ /(sans)[-_ ]?(serif)?/i) {
return($ftypes{100}); # Sans Serif
}
elsif ($fontname =~ /gothic|dotum|gulim/i) {
if ($fontname =~ /bisrat gothic/i) {
return($ftypes{0}); # Serif
}
else {
return($ftypes{100}); # Sans Serif
}
}
elsif ($fontname =~ /serif|times|mincho|batang/i) {
if ($fontname =~ /good times/i) {
return($ftypes{100}); # Sans Serif
}
elsif ($fontname !~ /initials/i) {
return($ftypes{0}); # Serif
}
}
# Now check for fonts without a hint in font name
if ($fontname =~ /([a-z])/i) {
my $key = lc($1);
for my $rFonts (\%sansFonts, \%scriptFonts, \%fraktFonts, \%fancyFonts, \%initialFonts, \%symbolFonts) {
if (defined($rFonts->{$key})) {
if ($fontname =~ $rFonts->{$key}) {
return($ftypes{$rFonts->{"value"}});
}
}
}
}
if ("$fontname" =~ /^bpg/i) {
if ("$fontname" =~ /bpg (courier gpl|elite)/i) {
return($ftypes{0}); # Serif
}
else {
return($ftypes{100}); # Sans Serif
}
}
elsif ("$fontname" =~ /^dustismo/i) {
if ("$fontname" =~ /^dustismo roman/i) {
return($ftypes{0}); # Serif
}
else {
return($ftypes{100}); # Sans Serif
}
}
elsif ("$fontname" =~ /^go\b/i) {
if ("$fontname" =~ /^go mono/i) {
return($ftypes{0}); # Serif
}
else {
return($ftypes{100}); # Sans Serif
}
}
else {
return(undef);
}
}
sub getweight($$)
{
my ($fontname, $style) = @_;
my $result = undef;
for my $info ($style, $fontname) {
for my $key (keys %weights) {
next if ($key !~ /^\d+$/);
my $val = $weights{$key};
if ($info =~ /\b$val\b/i) {
return($val);
}
}
}
return($result);
}
sub getwidth($$)
{
my ($fontname, $style) = @_;
my $result = undef;
for my $key (keys %widths) {
next if ($key !~ /^\d+$/);
for my $info ($style, $fontname) {
if ($info =~ /\b$widths{$key}\b/i) {
return($widths{$key});
}
if ($info =~ /\bRegular\b/) {
if (!defined($result)) {
$result = $widths{100};
}
}
}
}
return($result);
}
sub getslant($$)
{
my ($fontname, $style) = @_;
for my $key (keys %slants) {
next if ($key !~ /^\d+$/);
if ($style =~ /\b$slants{$key}\b/i) {
return($slants{$key});
}
}
return(undef);
}
sub getspacing($$)
{
my ($fontname, $style) = @_;
for my $key (keys %spacings) {
next if ($key !~ /^\d+$/);
if ($style =~ /\b$spacings{$key}\b/i) {
return($spacings{$key});
}
}
if ("$fontname $style" =~ /(\bmono\b|luximono|typewriter|cursor|fixed)\b/i) {
return($spacings{100}); # Mono
}
else {
return(undef);
}
}
sub ismathfont($$)
{
my ($fontname, $rCapability) = @_;
return 1 if ($fontname =~ /math/i);
for my $cap (@{$rCapability}) {
return 1 if ($cap eq "math");
}
return 0;
}
sub getproperties($$$$)
{
my ($l, $fontname, $style, $rerrors) = @_;
my $newstyle = &correctstyle($style);
my $newfam = &correctstyle($fontname);
my @properties = ();
for my $txt (qw(ftype weight width slant spacing)) {
my ($map, $rget);
eval("\$map = " . '\%' . $txt . 's');
eval('$rget = \&' . "get$txt");
my $val2 = getsinglevalue($l, $txt, $map);
my $val1 = $rget->($newfam, $newstyle);
my $val;
if (defined($val2) && defined($val1) && ($val2 ne $val1)) {
if (($txt =~/^(weight|slant)$/) && ($newstyle =~ /$val1/)){
# style overrides weight and slant
push(@{$rerrors}, "Fontname($fontname),Style($style): Values for $txt ($val1 != $val2) differ, pick $val1 from style");
$val = $val1;
}
elsif ($newfam =~ /$val1/) {
push(@{$rerrors}, "Fontname($fontname),Style($style): Values for $txt ($val1 != $val2) differ, pick $val1 from fontname");
$val = $val1;
}
else {
push(@{$rerrors}, "Fontname($fontname),Style($style): Values for $txt ($val1 != $val2) differ, pick $val2 from $txt-property");
$val = $val2;
}
}
elsif (! defined($val2)) {
$val = $val1;
}
else {
$val = $val2;
}
if (defined($val)) {
push(@properties, &addTxt($txt,$val));
}
else {
if (defined($map->{"default"})) {
push(@properties, &addTxt($txt,$map->{"default"}));
}
else {
push(@{$rerrors}, "Undefined value for $txt");
}
}
}
return(join(' ', @properties));
}
sub correctstyle($)
{
my ($style) = @_;
$style =~ s/^\\040//;
$style =~ s/^\s*\d+\s*//;
$style =~ s/\s*\d+$//;
$style =~ s/italic/ Italic/i;
$style =~ s/oblique/ Oblique/i;
$style =~ s/[\-_]/ /g;
$style =~ s/\breg\b/Regular/i;
$style =~ s/\bregita(lic)?\b/Regular Italic/i;
$style =~ s/\bregobl(ique)?\b/Regular Oblique/i;
$style =~ s/medium/Medium /i;
$style =~ s/\bmedita(lic)?\b/Medium Italic/i;
$style =~ s/\bmedobl(ique)?\b/Medium Oblique/i;
$style =~ s/\bmed\b/Medium /i;
$style =~ s/\bdemi\b/SemiBold/i;
$style =~ s/\bex(pd|t)\b/Expanded/i;
$style =~ s/semi ?cond(ensed)?/SemiCondensed/i;
$style =~ s/[sd]emi ?(bold|bd|bol)/SemiBold/i;
$style =~ s/semi ?(expanded|extended|expd)/SemiExpanded/i;
$style =~ s/[sd]emi ?light/SemiLight/i;
$style =~ s/ultra ?(expanded|extended|expd)/UltraExpanded/i;
$style =~ s/light/Light /i;
$style =~ s/\blt\b/Light /i;
$style =~ s/(ultra|extra)(light|lt)/ExtraLight /i;
$style =~ s/\bheavy\b/Extrabold/i;
$style =~ s/\bhairline\b/Extralight/i;
$style =~ s/\bcond\b/Condensed/i;
$style =~ s/(roman)?slanted/ Italic/i;
$style =~ s/\bslant\b/Italic/i;
$style =~ s/\b(SC|Small(caps(alt)?)?)\b/SmallCaps/i;
$style =~ s/w3 mono/Dual/i;
$style =~ s/Regul[ea]r/Regular/i;
$style =~ s/Megablack/ExtraBlack/i;
$style =~ s/ +/ /g;
return($style);
}
# return list of unicode values of the input string
#Allow input of intervals (e.g. 'a-z')
sub decimalUnicode($)
{
my ($a) = @_;
my @res = ();
# Convert to unicode chars first
while ($a =~ /^(.*)u\+(0?x[\da-f]+|\d+)(.*)$/i) {
my ($prev, $d, $post) = ($1, $2, $3);
if ($d =~ /^0?x(.+)$/) {
$d = hex($1);
}
my $chr = encode('utf-8', chr($d));
$a = $prev . $chr . $post;
}
# $a is now a string of unicode chars
my $u = decode('utf-8', $a);
my @a = split(//, $u);
my $interval = 0;
my $start = undef;
for my $x (@a) {
if ($x eq '-') { # Interval
$interval = 1;
next;
}
if ($interval && defined($start)) {
if (ord($x) < $start) {
for (my $i = $start - 1; $i >= ord($x); $i--) {
push(@res, $i);
}
}
else {
for (my $i = $start + 1; $i <= ord($x); $i++) {
push(@res, $i);
}
}
$start = undef;
}
else {
$start = ord($x);
push(@res, $start);
}
$interval = 0;
}
return(@res);
}
# check if the glyph-values in interval @{$ri} are contained
# in one of the (sorted) intervals
sub contains($$)
{
# ok if
# ...re0..........re1...
# ......start..end......
my ($ri, $rList) = @_;
my $start = $ri->[0];
my $end = $ri->[1];
for my $re (@{$rList}) {
next if ($re->[1] < $start);
# now we found a possible matching interval
return 1 if (($start >= $re->[0]) && ($end <= $re->[1]));
return 0;
}
return 0;
}
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