| 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 |