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