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[trunk] WIP: enhance j2k_to_image with new get_decoded_tile functionality

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This commit is contained in:
Mickael Savinaud
2011-11-17 14:24:51 +00:00
parent 380a357b08
commit aaf6e84373
5 changed files with 71 additions and 26 deletions
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6
libopenjpeg/j2k.c
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@@ -8371,6 +8371,12 @@ opj_bool j2k_get_tile( opj_j2k_v2_t *p_j2k,
return OPJ_FALSE;
}
if (tile_index >= p_j2k->m_cp.th * p_j2k->m_cp.tw) {
opj_event_msg_v2(p_manager, EVT_ERROR, "Decoded tile index is "
"inconsistent with the number of tiles in the codestream (%d vs %d).\n", tile_index, p_j2k->m_cp.th * p_j2k->m_cp.tw );
return OPJ_FALSE;
}
/* Compute the dimension of the desired tile*/
l_tile_x = tile_index % p_j2k->m_cp.tw;
l_tile_y = tile_index / p_j2k->m_cp.tw;