Ansel_Faces_Base::saveSignature PHP Метод

    function saveSignature($image_id, $face_id)
    {
        // can we get it?
        if (empty($GLOBALS['conf']['faces']['search']) || Horde_Util::loadExtension('libpuzzle') === false) {
            return;
        }
        // Ensure we have an on-disk file to read the signature from.
        $path = $GLOBALS['injector']->getInstance('Horde_Core_Factory_Vfs')->create('images')->readFile(Ansel_Faces::getVFSPath($image_id) . '/faces', $face_id . Ansel_Faces::getExtension());
        $signature = puzzle_fill_cvec_from_file($path);
        if (empty($signature)) {
            return;
        }
        // save compressed signature
        try {
            $GLOBALS['ansel_db']->updateBlob('ansel_faces', array('face_signature' => new Horde_Db_Value_Binary(puzzle_compress_cvec($signature))), array('face_id = ?', $face_id));
        } catch (Horde_Db_Exception $e) {
            throw new Ansel_Exception($result);
        }
        // create index
        $word_len = $GLOBALS['conf']['faces']['search'];
        $str_len = strlen($signature);
        $GLOBALS['ansel_db']->delete('DELETE FROM ansel_faces_index WHERE face_id = ' . $face_id);
        $q = 'INSERT INTO  () VALUES (?, ?, ?)';
        $c = $str_len - $word_len;
        for ($i = 0; $i <= $c; $i++) {
            $data = array('face_id' => $face_id, 'index_position' => $i, 'index_part' => new Horde_Db_Value_Binary(substr($signature, $i, $word_len)));
            try {
                $GLOBALS['ansel_db']->insertBlob('ansel_faces_index', $data);
            } catch (Horde_Db_Exception $e) {
                throw new Ansel_Exception($e);
            }
        }
    }