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