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

   1 #!/usr/bin/perl -w
   2 use strict;
   3 use POSIX;
   4 use IO::File;
   5 use Getopt::Long;
   6
   7 our $prefix="/usr/local";
   8 our $package='xfonts-traditional';
   9 our $sharedir="$prefix/share/$package";
  10 our @fontsdirs=qw(/usr/share/fonts/X11 /usr/local/share/fonts/X11);
  11 our @rulespath;
  12 our $mode;
  13 our %foundrymap;
  14 our $verbose=0;
  15 our $reportfh;
  16
  17 sub reportloaded {
  18     return unless $verbose;
  19     print $reportfh @_,"\n" or die $!;
  20 }
  21
  22 sub loadrules ($) {
  23     my ($key) = @_;
  24     our %cache;
  25     my $fc=$cache{$key};
  26     return $fc if $fc;
  27     foreach my $path (@rulespath) {
  28         my $script="$path/$key.rules";
  29         $!=0; $@=''; my $f = do $script;
  30         if (defined $f) {
  31             reportloaded("rules: loaded ",$script);
  32             $cache{$key}=$f;
  33             return $f;
  34         }
  35         die "$! $? $script" unless $! == &ENOENT;
  36     }
  37     return $cache{$key}=undef;
  38 }
  39
  40 sub processbdf ($$$) {
  41     my ($inbdf,$outbdf,$what) = @_;
  42     my $state='idle';
  43     my ($foundry,$font);
  44     my ($w,$h,$xo,$yo,$y,$bitmap,$glyph);
  45     my $modified=0;
  46     while (<$inbdf>) {
  47         if ($state eq 'bitmap' && $y==$h) {
  48             $glyph = uc $glyph;
  49             $glyph =~ s/\;$//;
  50             local ($_) = $glyph;
  51             my $key= sprintf "%s,%d,%d,%d,%d", $foundry,$w,$h,$xo,$yo;
  52             my $rules= loadrules($key);
  53             return (0,'no rules') if !$rules;
  54             $rules->();
  55             $modified += ($_ ne $glyph);
  56             print $outbdf $_,"\n" or die $!
  57                 foreach split /\;/, $_; # /;
  58             $state='idle';
  59         }
  60         if ($state eq 'bitmap') {
  61             m/^([0-9a-fA-F]+)\s+$/ or die $y;
  62             length($1) == (($w+7 >> 3) << 1) or die "$1 $w";
  63             $glyph .= "$1;";
  64             $y++;
  65             next;
  66         }
  67         if ($state eq 'idle' && m/^FOUNDRY\s+/) {
  68             die if defined $foundry;
  69             return (0,'foundry syntax') unless m/^FOUNDRY\s+\"(\w+)\"\s+/;
  70             $foundry = $foundrymap{lc $1};
  71             return (0,'no foundry') unless defined $foundry;
  72             $_ = "FOUNDRY \"$foundry\"\n";
  73         }
  74         if ($state eq 'idle' && m/^FONT\s+/) {
  75             die if defined $font;
  76             return 0 unless m/^(FONT\s+)\-(\w+)\-/;
  77             $font = $foundrymap{lc $2};
  78             return (0,'no foundry') unless defined $font;
  79             $_ = "FONT -$font-$'";
  80         }
  81         if ($state eq 'idle' && m/^STARTCHAR\s/) {
  82             die unless defined $foundry;
  83             die unless defined $font;
  84             return (0,'foundry != font') unless $foundry eq $font;
  85             $state='startchar';
  86             $w=undef;
  87         }
  88         if ($state eq 'startchar') {
  89             if (m/^BBX\s+(\+?\d+)\s+(\+?\d+)\s+([-+]?\d+)\s+([-+]?\d+)\s+$/) {
  90                 ($w,$h,$xo,$yo) = ($1,$2,$3,$4);
  91             }
  92             if (m/^BITMAP\s+$/) {
  93                 die unless defined $w;
  94                 $y=0;
  95                 $glyph='';
  96                 $state='bitmap';
  97             }
  98         }
  99         print $outbdf $_ or die $!;
 100     }
 101     die $! if $inbdf->error;
 102     die $! if $outbdf->error or !$outbdf->flush;
 103     die unless $state eq 'idle';
 104     if ($modified) {
 105         printf $reportfh "%s: %d glyphs changed\n", $what, $modified
 106             or die $!;
 107     } else {
 108         printf $reportfh "%s: unchanged - no rules matched\n", $what
 109             or die $!;
 110     }
 111     return $modified;
 112 }
 113
 114 our (@options)=(
 115     'R|rules-include=s@' => \@rulespath,
 116     'share-dir=s' => \$sharedir,
 117     'verbose|v+' => \$verbose,
 118     );
 119
 120 sub define_mode ($$) {
 121     my ($optname,$f) = @_;
 122     push @options, $optname, sub {
 123         die "only one mode may be specified\n" if defined $mode;
 124         $mode=$f;
 125     };
 126 }
 127
 128 sub loadfoundries () {
 129     foreach my $path (@rulespath) {
 130         my $p = "$path/foundries";
 131         my $f = new IO::File $p;
 132         if (!$f) {
 133             die "$p $!" unless $!==&ENOENT;
 134             print $reportfh "foundries: none in $p\n" or die $! if $verbose;
 135             next;
 136         }
 137         while (<$f>) {
 138             s/^\s*//; s/\s+$//;
 139             next if m/^\#/;
 140             m/^(\w+)\s+(\w+)$/ or die;
 141             my $k = lc $1;
 142             next if exists $foundrymap{$k};
 143             $foundrymap{$k}=$2;
 144         }
 145         $f->error and die $!;
 146         reportloaded('foundries: loaded ',$p);
 147     }
 148     die "no foundry maps\n" unless %foundrymap;
 149 }
 150
 151 our $stdin = new IO::File '<&STDIN' or die $!;
 152 our $stdout = new IO::File '>&STDOUT' or die $!;
 153 our $stderr = new IO::File '>&STDERR' or die $!;
 154 $reportfh = $stdout;
 155
 156 define_mode('bdf-filter', sub {
 157     die "no arguments allowed with --bdf-filter\n" if @ARGV;
 158     $reportfh = $stderr;
 159     loadfoundries();
 160     my $r = processbdf($stdin,$stdout,'stdin');
 161     if ($r !~ m/^\d/) {
 162         print STDERR "stdin not processed: $r\n";
 163         exit 2;
 164     }
 165 });
 166
 167 Getopt::Long::Configure(qw(bundling));
 168 GetOptions(@options) or exit 127;
 169
 170 push @rulespath, "$sharedir/rules";
 171
 172 die "need a mode\n" unless $mode;
 173
 174 $mode->();
 175
 176 #   70  zcat /usr/share/fonts/X11/misc/6x13.pcf.gz |pcf2bdf >in.bdf
 177 #   71  ./utility <in.bdf >out.bdf
 178 #   83  bdftopcf out.bdf >out.pcf
 179 #   84  gzip out.pcf
 180 #   85  cp out.pcf.gz /usr/share/fonts/X11/misc/
 181 # really mkfontdir /usr/share/fonts/X11/misc/
 182 # xset fp rehash
 183 # xfontsel