/**
* Get the I2CE_Encoding according to one of the standard adobe encodings
*/
protected function getAdobeStandardEncoding($encoding)
{
if (isset($this->adobe_standard_encondings[$encoding])) {
return;
}
$enc = new I2CE_Encoding($encoding);
if (!isset($this->glyph_list)) {
$this->loadGlyphList();
}
$a = $this->load_file('PDF_CORE', $encoding . '.list');
foreach ($a as $l) {
$l = trim($l);
$e = explode(" ", rtrim($l));
$cc = (int) $e[0];
$gn = $e[1];
$cps = $this->glyph_list[$gn];
if (count($cps) == 1) {
//a adobe glyphname may be associated to several unicode codepoints (e.g. lamedholam)
//if this is the case, we ignore it.
$enc->setGlyphname($cps[0], $gn);
$enc->setCharacterCode($cps[0], $cc);
}
}
$this->adobe_standard_encodings[$encoding] = $enc;
return $enc;
}
