{
OPJ_UINT32 i;
/* room for 8 bytes for box and 1 byte for each component */
- OPJ_INT32 l_bpcc_size = 8 + jp2->numcomps;
+ OPJ_UINT32 l_bpcc_size = 8 + jp2->numcomps;
OPJ_BYTE * l_bpcc_data,* l_current_bpcc_ptr;
/* preconditions */
}
/* verify that no component is targeted more than once */
for (i = 0; i < nr_channels; i++) {
- OPJ_UINT16 pcol = cmap[i].pcol;
+ OPJ_UINT16 pcol = cmap[i].pcol;
+ assert(cmap[i].mtyp == 0 || cmap[i].mtyp == 1);
if (pcol >= nr_channels) {
opj_event_msg(p_manager, EVT_ERROR, "Invalid component/palette index for direct mapping %d.\n", pcol);
is_sane = OPJ_FALSE;
}
- else if (pcol_usage[pcol]) {
+ else if (pcol_usage[pcol] && cmap[i].mtyp == 1) {
opj_event_msg(p_manager, EVT_ERROR, "Component %d is mapped twice.\n", pcol);
is_sane = OPJ_FALSE;
}
+ else if (cmap[i].mtyp == 0 && cmap[i].pcol != 0) {
+ /* I.5.3.5 PCOL: If the value of the MTYP field for this channel is 0, then
+ * the value of this field shall be 0. */
+ opj_event_msg(p_manager, EVT_ERROR, "Direct use at #%d however pcol=%d.\n", i, pcol);
+ is_sane = OPJ_FALSE;
+ }
else
pcol_usage[pcol] = OPJ_TRUE;
}
/* verify that all components are targeted at least once */
for (i = 0; i < nr_channels; i++) {
- if (!pcol_usage[i]) {
+ if (!pcol_usage[i] && cmap[i].mtyp != 0) {
opj_event_msg(p_manager, EVT_ERROR, "Component %d doesn't have a mapping.\n", i);
is_sane = OPJ_FALSE;
}
for(i = 0; i < nr_channels; ++i) {
pcol = cmap[i].pcol; cmp = cmap[i].cmp;
- new_comps[pcol] = old_comps[cmp];
-
/* Direct use */
- if(cmap[i].mtyp == 0){
- old_comps[cmp].data = NULL; continue;
- }
+ if(cmap[i].mtyp == 0){
+ assert( pcol == 0 );
+ new_comps[i] = old_comps[cmp];
+ } else {
+ assert( i == pcol );
+ new_comps[pcol] = old_comps[cmp];
+ }
/* Palette mapping: */
- new_comps[pcol].data = (OPJ_INT32*)
+ new_comps[i].data = (OPJ_INT32*)
opj_malloc(old_comps[cmp].w * old_comps[cmp].h * sizeof(OPJ_INT32));
- new_comps[pcol].prec = channel_size[i];
- new_comps[pcol].sgnd = channel_sign[i];
+ new_comps[i].prec = channel_size[i];
+ new_comps[i].sgnd = channel_sign[i];
}
top_k = color->jp2_pclr->nr_entries - 1;
for(i = 0; i < nr_channels; ++i) {
- /* Direct use: */
- if(cmap[i].mtyp == 0) continue;
-
/* Palette mapping: */
cmp = cmap[i].cmp; pcol = cmap[i].pcol;
src = old_comps[cmp].data;
- dst = new_comps[pcol].data;
+ assert( src );
max = new_comps[pcol].w * new_comps[pcol].h;
- for(j = 0; j < max; ++j)
- {
- /* The index */
- if((k = src[j]) < 0) k = 0; else if(k > top_k) k = top_k;
-
- /* The colour */
- dst[j] = entries[k * nr_channels + pcol];
- }
+ /* Direct use: */
+ if(cmap[i].mtyp == 0) {
+ assert( cmp == 0 );
+ dst = new_comps[i].data;
+ assert( dst );
+ for(j = 0; j < max; ++j) {
+ dst[j] = src[j];
+ }
+ }
+ else {
+ assert( i == pcol );
+ dst = new_comps[pcol].data;
+ assert( dst );
+ for(j = 0; j < max; ++j) {
+ /* The index */
+ if((k = src[j]) < 0) k = 0; else if(k > top_k) k = top_k;
+
+ /* The colour */
+ dst[j] = (OPJ_INT32)entries[k * nr_channels + pcol];
+ }
+ }
}
max = image->numcomps;
if (p_pclr_header_size < 3 + (OPJ_UINT32)nr_channels || nr_channels == 0 || nr_entries >= (OPJ_UINT32)-1 / nr_channels)
return OPJ_FALSE;
- entries = (OPJ_UINT32*) opj_malloc(nr_channels * nr_entries * sizeof(OPJ_UINT32));
+ entries = (OPJ_UINT32*) opj_malloc((size_t)nr_channels * nr_entries * sizeof(OPJ_UINT32));
if (!entries)
return OPJ_FALSE;
channel_size = (OPJ_BYTE*) opj_malloc(nr_channels);
for(j = 0; j < nr_entries; ++j) {
for(i = 0; i < nr_channels; ++i) {
- OPJ_INT32 bytes_to_read = (channel_size[i]+7)>>3;
+ OPJ_UINT32 bytes_to_read = (OPJ_UINT32)((channel_size[i]+7)>>3);
if (bytes_to_read > sizeof(OPJ_UINT32))
bytes_to_read = sizeof(OPJ_UINT32);
- if ((ptrdiff_t)p_pclr_header_size < p_pclr_header_data - orig_header_data + bytes_to_read)
+ if ((ptrdiff_t)p_pclr_header_size < p_pclr_header_data - orig_header_data + (ptrdiff_t)bytes_to_read)
return OPJ_FALSE;
if (bytes_to_read > sizeof(OPJ_UINT32))
bytes_to_read = sizeof(OPJ_UINT32);
- if ((ptrdiff_t)p_pclr_header_size < p_pclr_header_data - orig_header_data + bytes_to_read)
+ if ((ptrdiff_t)p_pclr_header_size < p_pclr_header_data - orig_header_data + (ptrdiff_t)bytes_to_read)
return OPJ_FALSE;
opj_read_bytes(p_pclr_header_data, &l_value , bytes_to_read); /* Cji */
}
cn = info[i].cn;
- acn = (OPJ_INT16)(asoc - 1);
+ acn = (OPJ_UINT16)(asoc - 1);
if( cn >= image->numcomps || acn >= image->numcomps )
{
fprintf(stderr, "cn=%d, acn=%d, numcomps=%d\n", cn, acn, image->numcomps);
else if (jp2->meth == 2) {
/* ICC profile */
OPJ_INT32 it_icc_value = 0;
- OPJ_INT32 icc_len = p_colr_header_size - 3;
+ OPJ_INT32 icc_len = (OPJ_INT32)p_colr_header_size - 3;
- jp2->color.icc_profile_len = icc_len;
- jp2->color.icc_profile_buf = (OPJ_BYTE*) opj_malloc(icc_len);
+ jp2->color.icc_profile_len = (OPJ_UINT32)icc_len;
+ jp2->color.icc_profile_buf = (OPJ_BYTE*) opj_malloc((size_t)icc_len);
if (!jp2->color.icc_profile_buf)
{
jp2->color.icc_profile_len = 0;
return OPJ_FALSE;
}
- memset(jp2->color.icc_profile_buf, 0, icc_len * sizeof(OPJ_BYTE));
+ memset(jp2->color.icc_profile_buf, 0, (size_t)icc_len * sizeof(OPJ_BYTE));
for (it_icc_value = 0; it_icc_value < icc_len; ++it_icc_value)
{
OPJ_INT32 i, l_nb_pass;
/* size of data for super box*/
- OPJ_INT32 l_jp2h_size = 8;
+ OPJ_UINT32 l_jp2h_size = 8;
OPJ_BOOL l_result = OPJ_TRUE;
/* to store the data of the super box */
opj_event_mgr_t * p_manager)
{
OPJ_UINT32 i;
- OPJ_INT32 depth_0, sign;
+ OPJ_UINT32 depth_0;
+ OPJ_UINT32 sign;
if(!jp2 || !parameters || !image)
return;
sign = image->comps[0].sgnd;
jp2->bpc = depth_0 + (sign << 7);
for (i = 1; i < image->numcomps; i++) {
- OPJ_INT32 depth = image->comps[i].prec - 1;
+ OPJ_UINT32 depth = image->comps[i].prec - 1;
sign = image->comps[i].sgnd;
if (depth_0 != depth)
jp2->bpc = 255;
/* process read data */
opj_read_bytes(p_data, &l_value, 4);
p_data += 4;
- box->length = (OPJ_INT32)(l_value);
+ box->length = (OPJ_UINT32)(l_value);
opj_read_bytes(p_data, &l_value, 4);
p_data += 4;
- box->type = (OPJ_INT32)(l_value);
+ box->type = (OPJ_UINT32)(l_value);
*p_number_bytes_read = 8;
opj_read_bytes(p_data, &l_value, 4);
*p_number_bytes_read += 4;
- box->length = (OPJ_INT32)(l_value);
+ box->length = (OPJ_UINT32)(l_value);
if (box->length == 0) {
opj_event_msg(p_manager, EVT_ERROR, "Cannot handle box of undefined sizes\n");