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#!/usr/bin/perl
=pod
=head1 NAME
showglyphs - create a F<pdf> file that shows all glyphs in a font
=head1 SYNOPSIS
showglyphs I<fontfile>
=head1 DESCRIPTION
This program creates a F<pdf> file that shows all glyphs in a given font.
=head1 FILES
=over 4
=item I<font>
This can be any Type 1 or TrueType font; OpenType fonts are not (yet?)
supported.
=back
=head1 RESTRICTIONS
=over 4
=item B<->
B<showglyphs> only works on Unix/Linux systems.
=item B<->
B<showglyphs> needs a working, TDS-compliant Tex installation
=back
=head1 SEE ALSO
F<afm2afm>, F<autoinst>, F<cmap2enc>, F<pfm2kpx>, F<enc2etx>,
F<etx2enc>, F<ot2kpx>.
=head1 AUTHOR
Marc Penninga <marc@penninga.info>
=head1 HISTORY
=over 12
=item I<2005-04-28>
First version
=item I<2005-04-29>
A few bugfixes; B<showglyphs> now works with glyphnames containing underscores
=item I<2005-05-24>
Another bugfix
=item I<2005-07-29>
A few updates to the documentation
=back
=cut
use integer;
use warnings; no warnings qw(uninitialized);
$0 =~ s!.*/!!g;
die "Usage: $0 fontfile\n" if @ARGV != 1;
system "mkdir -p ./showglyphs/";
system "cp $ARGV[0] ./showglyphs/";
chdir "./showglyphs";
system "font2afm $ARGV[0]";
$ARGV[0] =~ /([\w-]+)\./ and $fontname = $1;
open AFM, "<${fontname}.afm" or
die "Error: can't open `${fontname}.afm' - $!\n";
{
local $/;
$_ = <AFM>;
}
(/StartCharMetrics (\d+)/m and $num_glyphs = $1) or $num_glyphs = 255;
@vec = (".notdef") x (($num_glyphs / 256 + 1) * 256);
for (/(WX.*?$)/gm) {/N\s+([\w.]+)/ and $vec[$i++] = $1}
system "cp `locate pdftex.map` .";
open TEX, ">tmp.tex" or die "Error: can't create `tmp.tex' - $!\n";
print TEX <<EOF;
\\documentclass[a4paper]{article}
\\setlength\\parindent{0pt}
\\setlength\\parskip{0pt}
\\raggedbottom\\frenchspacing
\\newlength\\tempdima
\\makeatletter
\\setlength\\textheight{\\paperheight}
\\addtolength\\textheight{-2in}
\\setlength\\textwidth{\\paperwidth}
\\addtolength\\textwidth{-2in}
\\setlength\\oddsidemargin{0pt}
\\setlength\\evensidemargin{0pt}
\\setlength\\topmargin{0pt}
\\addtolength\\topmargin{-\\headheight}
\\addtolength\\topmargin{-\\headsep}
\\makeatother
\\newcommand*{\\printglyph}[2]{%
\\frame{%
\\settodepth{\\tempdima}{#1}%
\\makebox[2em][l]{%
\\rule[-18pt]{0pt}{48pt}%
\\makebox[0pt][l]{%
\\raisebox{-14pt}{\\makebox[2em][c]{\\tiny#2}}}%
\\raisebox{-\\tempdima}{%
\\makebox[2em][c]{\\linethickness{0pt}\\frame{#1}}}}}}
\\begin{document}
EOF
for ($i = 0; $i < $num_glyphs / 256 + 1; $i++) {
$filename = sprintf "%s%03d", $fontname, $i + 1;
open ENC, ">$filename.enc" or
die "Error: can't create `$filename.enc' - $!\n";
print ENC "%\n% Created ", scalar localtime,
" by $0 from `${fontname}.afm'\n";
print ENC "%\n/", $filename, " [\n";
for ($j = 0; $j < 256; $j += 16) {
printf ENC "%% 0x%04x\n", $j;
for ($k = 0; $k < 16; $k += 4) {
print ENC "\t";
for ($l = 0; $l < 4; $l++) {
print ENC "/$vec[$i * 256 + $j + $k + $l] ";
}
print ENC "\n";
}
}
print ENC "] def\n";
close ENC;
system "afm2afm -e '${filename}.enc' -o '${filename}.afm' " .
"'${fontname}.afm' >>./pdftex.map";
system "afm2tfm '${fontname}.afm' -T '${filename}.enc' '${filename}.tfm'"
. ">/dev/null";
for (@vec[256 * $i..256*($i+1)]) {s/(?<!\\)_/\\_/g}
print TEX "\\font\\test=${filename} at 24pt\\test\n";
for $j (0 .. 31) {
for $k (0 .. 7) {
print TEX "\\printglyph{\\char", 8 * $j + $k,
"}{$vec[$i * 256 + 8 * $j + $k]} ";
}
print TEX "\\par\n";
last if 256 * $i + 8 * ($j + 1) >= $num_glyphs;
}
}
print TEX "\n\\end{document}\n";
close TEX;
system "pdflatex tmp >/dev/null";
chdir "../";
system "mv showglyphs/tmp.pdf './${fontname}.pdf'";
system "/bin/rm -r ./showglyphs/";
__END__
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