Pop\Font\TrueType::parseTtfTable PHP Метод

    protected function parseTtfTable()
    {
        $ttfHeader = unpack('nmajorVersion/' . 'nminorVersion/' . 'nnumberOfTables/' . 'nsearchRange/' . 'nentrySelector/' . 'nrangeShift', $this->read(0, 12));
        $tableName = $this->read(12, 4);
        $ttfTable = unpack('Nchecksum/' . 'Noffset/' . 'Nlength', $this->read(16, 12));
        $ttfTable['name'] = $tableName;
        $this->ttfHeader = new \ArrayObject($ttfHeader, \ArrayObject::ARRAY_AS_PROPS);
        $this->ttfTable = new \ArrayObject($ttfTable, \ArrayObject::ARRAY_AS_PROPS);
        $nameByteOffset = 28;
        $tableByteOffset = 32;
        for ($i = 0; $i < $this->ttfHeader->numberOfTables; $i++) {
            $ttfTableName = $this->read($nameByteOffset, 4);
            $ttfTable = unpack('Nchecksum/' . 'Noffset/' . 'Nlength', $this->read($tableByteOffset, 12));
            $this->tableInfo[trim($ttfTableName)] = new \ArrayObject($ttfTable, \ArrayObject::ARRAY_AS_PROPS);
            $nameByteOffset = $tableByteOffset + 12;
            $tableByteOffset = $nameByteOffset + 4;
        }
    }