mirror of
https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
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326 lines
8.2 KiB
Perl
326 lines
8.2 KiB
Perl
#! /usr/bin/perl -P- # -*- Perl -*-
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#Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
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# Written by James Clark (jjc@jclark.com)
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#
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#This file is part of groff.
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#
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#groff is free software; you can redistribute it and/or modify it under
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#the terms of the GNU General Public License as published by the Free
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#Software Foundation; either version 2, or (at your option) any later
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#version.
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#
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#groff is distributed in the hope that it will be useful, but WITHOUT ANY
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#WARRANTY; without even the implied warranty of MERCHANTABILITY or
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#FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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#for more details.
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#
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#You should have received a copy of the GNU General Public License along
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#with groff; see the file COPYING. If not, write to the Free Software
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#Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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$prog = $0;
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$prog =~ s@.*/@@;
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do 'getopts.pl';
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do Getopts('e:sd:i:a:n');
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if ($#ARGV != 2) {
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die "Usage: $prog [-ns] [-d DESC] [-e encoding] [-i n] [-a angle] afmfile mapfile font\n";
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}
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$afm = $ARGV[0];
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$map = $ARGV[1];
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$font = $ARGV[2];
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$desc = $opt_d || "DESC";
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# read the afm file
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open(AFM, $afm) || die "$prog: can't open \`$ARGV[0]': $!\n";
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while (<AFM>) {
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chop;
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@field = split(' ');
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if ($field[0] eq "FontName") {
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$psname = $field[1];
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}
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elsif($field[0] eq "ItalicAngle") {
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$italic_angle = -$field[1];
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}
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elsif ($field[0] eq "KPX") {
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if ($#field == 3) {
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push(kern1, $field[1]);
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push(kern2, $field[2]);
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push(kernx, $field[3]);
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}
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}
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elsif ($field[0] eq "italicCorrection") {
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$italic_correction{$field[1]} = $field[2];
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}
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elsif ($field[0] eq "leftItalicCorrection") {
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$left_italic_correction{$field[1]} = $field[2];
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}
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elsif ($field[0] eq "subscriptCorrection") {
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$subscript_correction{$field[1]} = $field[2];
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}
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elsif ($field[0] eq "StartCharMetrics") {
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while (<AFM>) {
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@field = split(' ');
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last if ($field[0] eq "EndCharMetrics");
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if ($field[0] eq "C") {
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$c = -1;
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$wx = 0;
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$n = "";
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$lly = 0;
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$ury = 0;
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$llx = 0;
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$urx = 0;
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$c = $field[1];
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$i = 2;
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while ($i <= $#field) {
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if ($field[$i] eq "WX") {
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$w = $field[$i + 1];
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$i += 2;
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}
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elsif ($field[$i] eq "N") {
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$n = $field[$i + 1];
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$i += 2;
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}
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elsif ($field[$i] eq "B") {
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$llx = $field[$i + 1];
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$lly = $field[$i + 2];
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$urx = $field[$i + 3];
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$ury = $field[$i + 4];
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$i += 5;
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}
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elsif ($field[$i] eq "L") {
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push(ligatures, $field[$i + 2]);
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$i += 3;
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}
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else {
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while ($i <= $#field && $field[$i] ne ";") {
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$i++;
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}
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$i++;
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}
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}
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if (!$opt_e && $c != -1) {
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$encoding[$c] = $n;
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$in_encoding{$n} = 1;
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}
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$width{$n} = $w;
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$height{$n} = $ury;
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$depth{$n} = -$lly;
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$left_side_bearing{$n} = -$llx;
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$right_side_bearing{$n} = $urx - $w;
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}
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}
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}
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}
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close(AFM);
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# read the DESC file
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$sizescale = 1;
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open(DESC, $desc) || die "$prog: can't open \`$desc': $!\n";
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while (<DESC>) {
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next if /^#/;
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chop;
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@field = split(' ');
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last if $field[0] eq "charset";
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if ($field[0] eq "res") { $resolution = $field[1]; }
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if ($field[0] eq "unitwidth") { $unitwidth = $field[1]; }
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if ($field[0] eq "sizescale") { $sizescale = $field[1]; }
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}
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close(DESC);
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if ($opt_e) {
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# read the encoding file
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open(ENCODING, $opt_e) || die "$prog: can't open \`$opt_e': $!\n";
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while (<ENCODING>) {
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chop;
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@field = split(' ');
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if ($#field == 1) {
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if ($field[1] >= 0 && defined $width{$field[0]}) {
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$encoding[$field[1]] = $field[0];
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$in_encoding{$field[0]} = 1;
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}
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}
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}
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close(ENCODING);
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}
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# read the map file
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open(MAP, $map) || die "$prog: can't open \`$map': $!\n";
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while (<MAP>) {
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next if /^#/;
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chop;
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@field = split(' ');
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if ($#field == 1 && $in_encoding{$field[0]}) {
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if (defined $mapped{$field[1]}) {
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warn "Both $mapped{$field[1]} and $field[0] map to $field[1]";
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}
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elsif ($field[1] eq "space") {
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# the PostScript character "space" is automatically mapped
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# to the groff character "space"; this is for grops
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warn "you are not allowed to map to the groff character `space'";
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}
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elsif ($field[0] eq "space") {
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warn "you are not allowed to map the PostScript character `space'";
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}
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else {
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$nmap{$field[0]} += 0;
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$map{$field[0],$nmap{$field[0]}} = $field[1];
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$nmap{$field[0]} += 1;
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$mapped{$field[1]} = $field[0];
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}
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}
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}
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close(MAP);
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$italic_angle = $opt_a if $opt_a;
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# print it all out
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open(FONT, ">$font") || die "$prog: can't open \`$font' for output: $!\n";
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select(FONT);
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print("name $font\n");
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print("internalname $psname\n") if $psname;
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print("special\n") if $opt_s;
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printf("slant %g\n", $italic_angle) if $italic_angle != 0;
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printf("spacewidth %d\n", do conv($width{"space"})) if defined $width{"space"};
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if ($opt_e) {
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$e = $opt_e;
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$e =~ s@.*/@@;
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print("encoding $e\n");
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}
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if (!$opt_n && $#ligatures >= 0) {
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print("ligatures");
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foreach $lig (@ligatures) {
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print(" $lig");
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}
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print(" 0\n");
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}
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if ($#kern1 >= 0) {
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print("kernpairs\n");
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for ($i = 0; $i <= $#kern1; $i++) {
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$c1 = $kern1[$i];
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$c2 = $kern2[$i];
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if ($in_encoding{$c1} == 1 && $nmap{$c1} != 0
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&& $in_encoding{$c2} == 1 && $nmap{$c2} != 0) {
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for ($j = 0; $j < $nmap{$c1}; $j++) {
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for ($k = 0; $k < $nmap{$c2}; $k++) {
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if ($kernx[$i] != 0) {
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printf("%s %s %d\n",
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$map{$c1,$j},
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$map{$c2,$k},
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do conv($kernx[$i]));
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}
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}
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}
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}
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}
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}
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# characters not shorter than asc_boundary are considered to have ascenders
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$asc_boundary = $height{"t"} - 1;
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# likewise for descenders
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$desc_boundary = $depth{"g"};
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$desc_boundary = $depth{"j"} if $depth{"j"} < $desc_boundary;
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$desc_boundary = $depth{"p"} if $depth{"p"} < $desc_boundary;
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$desc_boundary = $depth{"q"} if $depth{"q"} < $desc_boundary;
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$desc_boundary = $depth{"y"} if $depth{"y"} < $desc_boundary;
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$desc_boundary -= 1;
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if (defined $height{"x"}) {
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$xheight = $height{"x"};
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}
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elsif (defined $height{"alpha"}) {
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$xheight = $height{"alpha"};
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}
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else {
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$xheight = 450;
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}
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$italic_angle = $italic_angle*3.14159265358979323846/180.0;
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$slant = sin($italic_angle)/cos($italic_angle);
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$slant = 0 if $slant < 0;
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print("charset\n");
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for ($i = 0; $i < 256; $i++) {
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$ch = $encoding[$i];
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if ($ch ne "" && $ch ne "space") {
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$map{$ch,"0"} = "---" if $nmap{$ch} == 0;
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$type = 0;
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$h = $height{$ch};
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$h = 0 if $h < 0;
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$d = $depth{$ch};
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$d = 0 if $d < 0;
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$type = 1 if $d >= $desc_boundary;
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$type += 2 if $h >= $asc_boundary;
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printf("%s\t%d", $map{$ch,"0"}, do conv($width{$ch}));
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$italic_correction = 0;
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$left_math_fit = 0;
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$subscript_correction = 0;
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if (defined $opt_i) {
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$italic_correction = $right_side_bearing{$ch} + $opt_i;
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$italic_correction = 0 if $italic_correction < 0;
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$subscript_correction = $slant * $xheight * .8;
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$subscript_correction = $italic_correction if
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$subscript_correction > $italic_correction;
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$left_math_fit = $left_side_bearing{$ch} + $opt_i;
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}
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if (defined $italic_correction{$ch}) {
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$italic_correction = $italic_correction{$ch};
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}
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if (defined $left_italic_correction{$ch}) {
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$left_math_fit = $left_italic_correction{$ch};
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}
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if (defined $subscript_correction{$ch}) {
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$subscript_correction = $subscript_correction{$ch};
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}
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if ($subscript_correction != 0) {
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printf(",%d,%d", do conv($h), do conv($d));
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printf(",%d,%d,%d", do conv($italic_correction),
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do conv($left_math_fit),
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do conv($subscript_correction));
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}
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elsif ($left_math_fit != 0) {
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printf(",%d,%d", do conv($h), do conv($d));
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printf(",%d,%d", do conv($italic_correction),
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do conv($left_math_fit));
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}
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elsif ($italic_correction != 0) {
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printf(",%d,%d", do conv($h), do conv($d));
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printf(",%d", do conv($italic_correction));
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}
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elsif ($d != 0) {
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printf(",%d,%d", do conv($h), do conv($d));
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}
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else {
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# always put the height in to stop groff guessing
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printf(",%d", do conv($h));
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}
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printf("\t%d", $type);
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printf("\t0%03o\t%s\n", $i, $ch);
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for ($j = 1; $j < $nmap{$ch}; $j++) {
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printf("%s\t\"\n", $map{$ch,$j});
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}
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}
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if ($ch eq "space" && defined $width{"space"}) {
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printf("space\t%d\t0\t0%03o\n", do conv($width{"space"}), $i);
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}
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}
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sub conv {
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$_[0]*$unitwidth*$resolution/(72*1000*$sizescale) + ($_[0] < 0 ? -.5 : .5);
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}
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