Faster_Image_B52f1a8_Image_Parser::parseSizeForBMP PHP Метод

    protected function parseSizeForBMP()
    {
        $chars = $this->stream->read(29);
        $chars = substr($chars, 14, 14);
        $type = unpack('C', $chars);
        $size = reset($type) == 40 ? unpack('l*', substr($chars, 4)) : unpack('l*', substr($chars, 4, 8));
        return [current($size), abs(next($size))];
    }