nasm/doc/afmmetrics.pl

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Perl
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#!/usr/bin/perl
## --------------------------------------------------------------------------
##
## Copyright 1996-2009 The NASM Authors - All Rights Reserved
## See the file AUTHORS included with the NASM distribution for
## the specific copyright holders.
##
## Redistribution and use in source and binary forms, with or without
## modification, are permitted provided that the following
## conditions are met:
##
## * Redistributions of source code must retain the above copyright
## notice, this list of conditions and the following disclaimer.
## * Redistributions in binary form must reproduce the above
## copyright notice, this list of conditions and the following
## disclaimer in the documentation and/or other materials provided
## with the distribution.
##
## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
## CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
## INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
## MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
## DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
## CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
## NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
## LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
## HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
## CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
## OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
## EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
##
## --------------------------------------------------------------------------
#
# Parse AFM metric files
#
@widths = ((undef)x256);
while ( $line = <STDIN> ) {
if ( $line =~ /^\s*FontName\s+(.*)\s*$/ ) {
$fontname = $1;
} elsif ( $line =~ /^\s*StartCharMetrics\b/ ) {
$charmetrics = 1;
} elsif ( $line =~ /^\s*EndCharMetrics\b/ ) {
$charmetrics = 0;
} elsif ( $line =~ /^\s*StartKernPairs\b/ ) {
$kerndata = 1;
} elsif ( $line =~ /^\s*EndKernPairs\b/ ) {
$kerndata = 0;
} elsif ( $charmetrics ) {
@data = split(/\s*;\s*/, $line);
undef $charcode, $width, $name;
foreach $d ( @data ) {
@dd = split(/\s+/, $d);
if ( $dd[0] eq 'C' ) {
$charcode = $dd[1];
} elsif ( $dd[0] eq 'WX' ) {
$width = $dd[1];
} elsif ( $dd[0] eq 'W' ) {
$width = $dd[2];
} elsif ( $dd[0] eq 'N' ) {
$name = $dd[1];
}
}
if ( defined($name) && defined($width) ) {
$charwidth{$name} = $width;
}
} elsif ( $kerndata ) {
@data = split(/\s+/, $line);
if ( $data[0] eq 'KPX' ) {
if ( defined($charcodes{$data[1]}) &&
defined($charcodes{$data[2]}) &&
$data[3] != 0 ) {
$kernpairs{chr($charcodes{$data[1]}).
chr($charcodes{$data[2]})} = $data[3];
}
}
}
}
sub qstr($) {
my($s) = @_;
my($o,$c,$i);
$o = '"';
for ( $i = 0 ; $i < length($s) ; $i++ ) {
$c = substr($s,$i,1);
if ( $c lt ' ' || $c gt '~' ) {
$o .= sprintf("\\%03o", ord($c));
} elsif ( $c eq "\'" || $c eq "\"" || $c eq "\\" ) {
$o .= "\\".$c;
} else {
$o .= $c;
}
}
return $o.'"';
}
$psfont = $fontname;
$psfont =~ s/[^A-Za-z0-9]/_/g;
print "%PS_${psfont} = (\n";
print " name => \'$fontname\',\n";
print " widths => {";
$lw = 100000;
foreach $cc ( keys(%charwidth) ) {
$ss = sprintf('%s => %d, ', qstr($cc), $charwidth{$cc});
$lw += length($ss);
if ( $lw > 72 ) {
print "\n ";
$lw = 4 + length($ss);
}
print $ss;
}
print "\n }\n";
#print " kern => {";
#$lw = 100000;
#foreach $kp ( keys(%kernpairs) ) {
# $ss = sprintf('%s => %d, ', qstr($kp), $kernpairs{$kp});
# $lw += length($ss);
# if ( $lw > 72 ) {
# print "\n ";
# $lw = 4 + length($ss);
# }
# print $ss;
#}
#print " }\n";
print ");\n";
print "1;\n";