layout/reftests/fonts/generate-bitpattern-font.pl
author Mozilla Releng Treescript <release+treescript@mozilla.org>
Mon, 12 Apr 2021 17:39:58 +0000
changeset 639897 d7557f06514b88d62c5a35b29291d59fc829d86d
parent 114718 6786b5f4ee4a79d22df9cc6931a36f1f99ca81be
permissions -rw-r--r--
No bug - tagging 8090a3a2b5879113e55f65ee98d0283dd0026a48 with FIREFOX_RELEASE_88_BASE a=release DONTBUILD CLOSED TREE

#!/usr/bin/perl -w

# Generates an SVG Font where each glyph (identified on stdin by four
# hex characters) consists of a bit pattern representing the Unicode
# code point it is the glyph for.

use strict;

print <<EOF;
<svg xmlns="http://www.w3.org/2000/svg">
<font id="BitPattern" horiz-adv-x="1000">
  <font-face font-family="BitPattern" units-per-em="1000" ascent="800"/>
EOF

while (<>) {
  chomp;
  next if /^\s*$/;
  die unless /^[0-9A-Fa-f]{4}$/;
  my $c = hex;
  my $s = "  <glyph unicode='&#x$_;' d='";
  for (my $i = 0; $i < 32; $i++) {
    if ($c & (1 << $i)) {
      my $x = 100 * (7 - ($i % 8));
      my $y = 100 * int($i / 8);
      $s .= "M$x,$y v80h80v-80z ";
    }
  }
  $s .= "'/>\n";
  print $s;
}

print <<EOF;
</font>
</svg>
EOF