mirror of
https://github.com/netwide-assembler/nasm.git
synced 2024-12-09 08:51:18 +08:00
27 lines
546 B
Perl
27 lines
546 B
Perl
#!/usr/bin/perl
|
|
#
|
|
# Get the width of a PostScript string in font units
|
|
# (1000 font units == the font point height) given a set of
|
|
# font metrics and an encoding vector.
|
|
#
|
|
sub ps_width($$$) {
|
|
my($str, $met, $encoding) = @_;
|
|
my($w) = 0;
|
|
my($i,$c,$p);
|
|
|
|
$l = length($str);
|
|
undef $p;
|
|
for ( $i = 0 ; $i < $l ; $i++ ) {
|
|
$c = substr($str,$i,1);
|
|
$w += $$met{widths}{$encoding->[ord($c)]};
|
|
# The standard PostScript "show" operator doesn't do kerning.
|
|
# $w += $$met{kern}{$p.$c};
|
|
$p = $c;
|
|
}
|
|
|
|
return $w;
|
|
}
|
|
|
|
# OK
|
|
1;
|