font: support reading .ttc truetype collection files

[sheet.git] / tools / mkttfinfo

diff --git a/tools/mkttfinfo b/tools/mkttfinfo
index ad8530e531e17785cca0c48fc106c6c6cf46e7dd..9679f1c70f906b0f774356a30c3d845a40b348e3 100755 (executable)
--- a/tools/mkttfinfo
+++ b/tools/mkttfinfo
@@ -6,24 +6,23 @@ use warnings;
 use Data::Dump 'pp';
 use Font::TTF::Font;
 use Getopt::Long;
+use Cwd 'abs_path';
 
-our $VERSION = '1.00';
+our $VERSION = '1.01';
 
-GetOptions(my %opt,
+GetOptions(\my %opt,
        'verbose|v!',
 );
 
 my ($ttfuri, $outfile) = @ARGV;
-$ttfuri or die "usage error\n";
-
-my $fontinc = $ENV{FONTINC} // 'data/font,~/.fonts,/usr/share/fonts/truetype/*';
-if (!-e $ttfuri) {
-       my $found = (grep {-e} glob "{$fontinc}/$ttfuri")[0] or do {
-               warn "font not found: $ttfuri\n";
-               exit 1;
-       };
-       $ttfuri = $found;
-}
+$ttfuri or do {
+       warn "usage error: input font not specified\n";
+       exit 64; # EX_USAGE
+};
+-e $ttfuri or do {
+       warn "font not found: $ttfuri\n";
+       exit 66; # EX_NOINPUT
+};
 
 for ($outfile || ()) {
        open my $output, '>', $_ or die "Cannot write to $outfile: $!\n";
@@ -31,13 +30,22 @@ for ($outfile || ()) {
 }
 
 {
-       my $ttf = Font::TTF::Font->open($ttfuri)
-               or die "Cannot open truetype in $ttfuri: $!";
+       my $ttf = eval {
+               if ($ttfuri =~ /\.ttc\z/) {
+                       require Font::TTF::Ttc;
+                       my $collection = Font::TTF::Ttc->open($ttfuri) or die $!;
+                       return $collection->{directs}->[0];  # first sub-font object
+               }
+               return Font::TTF::Font->open($ttfuri);
+       } or do {
+               warn "Cannot open font file $ttfuri: ", $@ // $!;
+               exit 65; # EX_DATAERR
+       };
 
        my $ttfname = ($ttfuri =~ m{([^/.]+) (?:[.]ttf)? \z}msx)[0];
        my $ttfmeta = $ttf->{name}->read;
        my %meta = (
-               source   => $ttfuri =~ m{(^/usr/.+ | [^/]+) \z}msx,
+               source   => abs_path($ttfuri) =~ m{(^/usr/.+ | [^/]+) \z}msx,
                name     => $ttfmeta->find_name(4) || $ttfname,
                revision => sprintf('%g', $ttf->{head}->{fontRevision}),
                version  => $ttfmeta->find_name(5) =~ s/\Aversion //ri =~ s/\s+\z//r,