OPJ_BOOL opj_tcd_copy_tile_data (       opj_tcd_t *p_tcd,
                                                                    OPJ_BYTE * p_src,
                                                                    OPJ_UINT32 p_src_length )
{
        OPJ_UINT32 i,j,l_data_size = 0;
        opj_image_comp_t * l_img_comp = 00;
        opj_tcd_tilecomp_t * l_tilec = 00;
        OPJ_UINT32 l_size_comp, l_remaining;
        OPJ_UINT32 l_nb_elem;

        l_data_size = opj_tcd_get_encoded_tile_size(p_tcd);
        if (l_data_size != p_src_length) {
                return OPJ_FALSE;
        }

        l_tilec = p_tcd->tcd_image->tiles->comps;
        l_img_comp = p_tcd->image->comps;
        for (i=0;i<p_tcd->image->numcomps;++i) {
                l_size_comp = l_img_comp->prec >> 3; /*(/ 8)*/
                l_remaining = l_img_comp->prec & 7;  /* (%8) */
                l_nb_elem = (OPJ_UINT32)((l_tilec->x1 - l_tilec->x0) * (l_tilec->y1 - l_tilec->y0));

                if (l_remaining) {
                        ++l_size_comp;
                }

                if (l_size_comp == 3) {
                        l_size_comp = 4;
                }

                switch (l_size_comp) {
                        case 1:
                                {
                                        OPJ_CHAR * l_src_ptr = (OPJ_CHAR *) p_src;
                                        OPJ_INT32 * l_dest_ptr = l_tilec->data;

                                        if (l_img_comp->sgnd) {
                                                for (j=0;j<l_nb_elem;++j) {
                                                        *(l_dest_ptr++) = (OPJ_INT32) (*(l_src_ptr++));
                                                }
                                        }
                                        else {
                                                for (j=0;j<l_nb_elem;++j) {
                                                        *(l_dest_ptr++) = (*(l_src_ptr++))&0xff;
                                                }
                                        }

                                        p_src = (OPJ_BYTE*) l_src_ptr;
                                }
                                break;
                        case 2:
                                {
                                        OPJ_INT32 * l_dest_ptr = l_tilec->data;
                                        OPJ_INT16 * l_src_ptr = (OPJ_INT16 *) p_src;

                                        if (l_img_comp->sgnd) {
                                                for (j=0;j<l_nb_elem;++j) {
                                                        *(l_dest_ptr++) = (OPJ_INT32) (*(l_src_ptr++));
                                                }
                                        }
                                        else {
                                                for (j=0;j<l_nb_elem;++j) {
                                                        *(l_dest_ptr++) = (*(l_src_ptr++))&0xffff;
                                                }
                                        }

                                        p_src = (OPJ_BYTE*) l_src_ptr;
                                }
                                break;
                        case 4:
                                {
                                        OPJ_INT32 * l_src_ptr = (OPJ_INT32 *) p_src;
                                        OPJ_INT32 * l_dest_ptr = l_tilec->data;

                                        for (j=0;j<l_nb_elem;++j) {
                                                *(l_dest_ptr++) = (OPJ_INT32) (*(l_src_ptr++));
                                        }

                                        p_src = (OPJ_BYTE*) l_src_ptr;
                                }
                                break;
                }

                ++l_img_comp;
                ++l_tilec;
        }

        return OPJ_TRUE;
}
Unknown