function make_html_map($map)
{
$out = array();
foreach ($map as $row) {
$hex = unicode_hex_chars($row['unified']);
$bytes = unicode_bytes($row['unified']);
$out[$bytes] = "<span class=\"emoji-outer emoji-sizer\"><span class=\"emoji-inner emoji{$hex}\"></span></span>";
}
return $out;
}
<?php
header('Content-type: text/plain; charset=UTF-8');
$in = file_get_contents('emoji-data/emoji.json');
$catalog = json_decode($in, true);
echo file_get_contents('inc.css');
$max = 0;
foreach ($catalog as $item) {
$max = max($item['sheet_x'], $max);
$max = max($item['sheet_y'], $max);
}
$fact = 100 / $max;
$sheet_size = $max + 1;
echo "span.emoji-inner { background-size: {$sheet_size}00%; }\n";
foreach ($catalog as $item) {
$unilow = unicode_hex_chars($item['unified']);
$pos_x = $item['sheet_x'] * $fact;
$pos_y = $item['sheet_y'] * $fact;
echo ".emoji{$unilow} { background-position: {$pos_x}% {$pos_y}% !important; }\n";
}
function unicode_hex_chars($str)
{
$out = '';
$cps = explode('-', $str);
foreach ($cps as $cp) {
$out .= sprintf('%x', hexdec($cp));
}
return $out;
}