public jpeg_forward_dct(jpeg_compress_struct cinfo)
{
m_cinfo = cinfo;
m_dctTables = new divisor_table[m_cinfo.m_num_components];
for (int ci = 0; ci < m_cinfo.m_num_components; ci++)
{
/* Allocate a divisor table for each component */
m_dctTables[ci] = new divisor_table();
}
}