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#!/usr/bin/env perl
# $Id: mkbold,v 1.2 2002/09/14 20:34:39 euske Exp $
#
# -- makes BDF font bold
# programmed by NAGAO, Sadakazu <snagao@cs.titech.ac.jp>
# modified by Yasuyuki Furukawa <yasu@on.cs.keio.ac.jp>
# * public domain *
#
$bdir = 1; # left
$pile = 0; # right
$verbose = 0;
$verbose_min = 100;
for $opt (@ARGV) {
if ($opt =~ /^-/) { # option
$bdir = 0 if $opt eq '-r'; # right
$bdir = 1 if $opt eq '-l'; # left
$pile = 0 if $opt eq '-R'; # right
$pile = 1 if $opt eq '-L'; # left
$verbose = 1 if $opt eq '-V'; # verbose
next;
} else {
$file = $opt;
last;
}
}
$file= "-" unless $file;
open F, $file || die;
$col = int(`stty -F /dev/tty size 2>/dev/null | sed 's/.* //'`) || 80;
$ch_count = 0;
@vmeter = ("|", "\\", "-", "/");
while (<F>) {
if (/^FONT[ \t]/ || /^WEIGHT_NAME/) {
s/Medium/Bold/;
print;
next;
}
if (/^CHARS[ \t]/) {
$max_chars = substr($_, 6);
}
if (/^BITMAP/) {
$bitmap = 1;
print;
next;
}
if (/^ENDCHAR/) {
$bitmap = 0;
print;
if (($ch_count++ % 20) == 0 && $verbose != 0 && $max_chars > $verbose_min) {
$n = int($ch_count * 100 / $max_chars);
$m = int($n * ($col - 21) / 100);
$l = $col - 20 - $m;
printf STDERR "\rprogress|" . rstr("=", $m) . rstr(" ", $l) . "$n%%" . $vmeter[$ch_count2++ % 4]
}
next;
}
if ($bitmap) {
chop;
$l = (length($_) / 2) - 1;
if ($bdir) { # left
for $i (0..$l) {
$d[$i] = hex(substr($_, $i*2, 2));
}
shl(\@bold, \@d, $l);
} else {
for $i (0..$l) { # right
$bold[$i] = hex(substr($_, $i*2, 2));
}
shr(\@d, \@bold, $l);
}
if ($pile) { # left
shl(\@tmp, \@bold, $l);
bitcalc(\@d, \@tmp, \@d, \@bold, $l);
} else { # right
shr(\@tmp, \@d, $l);
bitcalc(\@d, \@tmp, \@bold, \@d, $l);
}
# print
for $i (0..$l) {
printf "%02x", $d[$i];
}
print "\n";
next;
}
print;
}
close F;
if ($verbose != 0 && $max_chars > $verbose_min) {
printf STDERR "\r" . rstr(" ", $col - 3) . "\r";
}
exit 0;
sub shl {
my ($dout, $din, $size) = @_;
my $c = 0, $d, $i;
for ($i = $size; $i >= 0; $i--) {
$d = $c;
$c = ($din->[$i] & 0x80) >> 7;
$dout->[$i] = (($din->[$i] << 1) & 0xff) | $d;
}
}
sub shr {
my ($dout, $din, $size) = @_;
my $c = 0, $d, $i;
for $i (0..$size) {
$d = $c;
$c = ($din->[$i] & 0x01) << 7;
$dout->[$i] = ($din->[$i] >> 1) | $d;
}
}
sub bitcalc {
my ($out, $d1, $d2, $d3, $size) = @_;
for $i (0..$size) {
$out->[$i] = ~$d1->[$i] & $d2->[$i] | $d3->[$i];
}
}
sub rstr # (s, n)
{
my($s, $n) = @_;
my $r = "";
for (1 .. $n) {
$r = $s . $r;
}
return $r;
}
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