mdw@git.distorted.org.uk Git - xfonts-traditional/blob - utility

   1 #!/usr/bin/perl -w
   2 use strict;
   3 use POSIX;
   4 use IO::File;
   5 use Getopt::Long;
   6
   7 our $package='xfonts-traditional';
   8 our $sharedir="/usr/share/$package";
   9 our @rulespath;
  10 our $mode;
  11
  12 sub loadrules ($) {
  13     my ($key) = @_;
  14     our %cache;
  15     my $fc=$cache{$key};
  16     return $fc if $fc;
  17     foreach my $path (@rulespath) {
  18         my $script="$path/$key.rules";
  19         $!=0; $@=''; my $f = do $script;
  20         if (defined $f) {
  21             $cache{$key}=$f;
  22             return $f;
  23         }
  24         die "$! $? $script" unless $! == &ENOENT;
  25     }
  26     return $cache{$key}=undef;
  27 }
  28
  29 sub processbdf ($$) {
  30     my ($inbdf,$outbdf) = @_;
  31     my $state='idle';
  32     my ($donefoundry,$donefont);
  33     my ($w,$h,$xo,$yo,$y,$bitmap,$glyph);
  34     while (<$inbdf>) {
  35         if ($state eq 'bitmap' && $y==$h) {
  36             local ($_) = uc $glyph;
  37             my $key= sprintf "%d,%d,%d,%d", $w,$h,$xo,$yo;
  38             my $rules= loadrules($key);
  39             return 0 if !$rules;
  40             s/\;$//;
  41             $rules->();
  42             print $outbdf $_,"\n" or die $!
  43                 foreach split /\;/, $_; # /;
  44             $state='idle';
  45         }
  46         if ($state eq 'bitmap') {
  47             m/^([0-9a-fA-F]+)\s+$/ or die $y;
  48             length($1) == (($w+7 >> 3) << 1) or die "$1 $w";
  49             $glyph .= "$1;";
  50             $y++;
  51             next;
  52         }
  53         if ($state eq 'idle' && m/^FOUNDRY\s+/) {
  54             return 0 unless m/^FOUNDRY\s+\"[Mm]isc\"\s+/;
  55             s/misc/Trad/i;
  56             $donefoundry=1;
  57         }
  58         if ($state eq 'idle' && m/^FONT\s+/) {
  59             return 0 unless s/^(FONT\s+)\-[Mm]isc\-/$1-Trad-/;
  60             $donefont=1;
  61         }
  62         if ($state eq 'idle' && m/^STARTCHAR\s/) {
  63             die unless $donefoundry;
  64             die unless $donefont;
  65             $state='startchar';
  66             $w=undef;
  67         }
  68         if ($state eq 'startchar') {
  69             if (m/^BBX\s+(\+?\d+)\s+(\+?\d+)\s+([-+]?\d+)\s+([-+]?\d+)\s+$/) {
  70                 ($w,$h,$xo,$yo) = ($1,$2,$3,$4);
  71             }
  72             if (m/^BITMAP\s+$/) {
  73                 die unless defined $w;
  74                 $y=0;
  75                 $glyph='';
  76                 $state='bitmap';
  77             }
  78         }
  79         print $outbdf $_ or die $!;
  80     }
  81     die $! if $inbdf->error;
  82     die $! if $outbdf->error or !$outbdf->flush;
  83     die unless $state eq 'idle';
  84 }
  85
  86 our (@options)=(
  87     'R|rules-include=s@' => \@rulespath,
  88     'share-dir=s' => \$sharedir,
  89     );
  90
  91 sub define_mode ($$) {
  92     my ($optname,$f) = @_;
  93     push @options, $optname, sub {
  94         die "only one mode may be specified\n" if defined $mode;
  95         $mode=$f;
  96     };
  97 }
  98
  99 define_mode('bdf-filter', sub {
 100     die if @ARGV;
 101
 102     processbdf((new IO::File '<&STDIN'),
 103                (new IO::File '>&STDOUT'));
 104 });
 105
 106 Getopt::Long::Configure(qw(bundling));
 107 GetOptions(@options) or exit 127;
 108
 109 push @rulespath, "$sharedir/rules" unless @rulespath;
 110
 111 die "need a mode\n" unless $mode;
 112
 113 $mode->();
 114
 115 #   70  zcat /usr/share/fonts/X11/misc/6x13.pcf.gz |pcf2bdf >in.bdf
 116 #   71  ./utility <in.bdf >out.bdf
 117 #   83  bdftopcf out.bdf >out.pcf
 118 #   84  gzip out.pcf
 119 #   85  cp out.pcf.gz /usr/share/fonts/X11/misc/
 120 # really mkfontdir /usr/share/fonts/X11/misc/
 121 # xset fp rehash
 122 # xfontsel