/***********************************************************************
************************************************************************
#cat: update_ANSI_NIST_record_LEN - Takes a specified logical record in
#cat: an ANSI/NIST file structure and recomputes and updates
#cat: the length/size of the record and parent ANSI/NIST
#cat: structure.
Input:
record_i - integer index of desired record structure
ansi_nist - ANSI/NIST file structure to be modified
Return Code:
Zero - successful completion
Negative - system error
************************************************************************/
int update_ANSI_NIST_record_LEN(ANSI_NIST *ansi_nist, const int record_i)
{
int ret;
RECORD *record;
FIELD *lenfield;
int lenfield_i;
ITEM *lenitem;
int orig_recordlen;
/* If record index out of range ... */
if((record_i < 0) || (record_i >= ansi_nist->num_records)){
fprintf(stderr, "ERROR : update_ANSI_NIST_record_LEN : "
"record index [%d] out of range [1..%d]\n",
record_i+1, ansi_nist->num_records);
return(-2);
}
record = ansi_nist->records[record_i];
/* If LEN "01" field not found ... */
if(!lookup_ANSI_NIST_field(&lenfield, &lenfield_i, LEN_ID, record)){
/* Assume we have a partial tagged field record. For example, an */
/* fmttext file may have been parsed that specifies only a single */
/* field or subfield. This happens in applications when inserting */
/* or substituting single fields or subfields. */
/* Ignore the update request. */
return(0);
}
/* If LEN subfield or item not found ... */
if((lenfield->num_subfields != 1) ||
(lenfield->subfields[0]->num_items != 1)){
fprintf(stderr, "ERROR : update_ANSI_NIST_record_LEN : "
"LEN field index [%d.%d] format error in record [Type-%d.%03d]\n",
record_i+1, lenfield_i+1, record->type, lenfield->field_int);
return(-4);
}
/* Convert original LEN to numeric integer. */
lenitem = lenfield->subfields[0]->items[0];
orig_recordlen = atoi((char *)lenitem->value);
/* If original LEN != byte size of record ... */
if(orig_recordlen != record->num_bytes){
/* If a binary record ... */
if(binary_record(record->type)){
/* Update binary field record with fixed LEN field ... */
if((ret = update_ANSI_NIST_binary_record_LEN(record)))
return(ret);
fprintf(stderr, "LEN field index [%d.%d] [Type-%d.%03d] updated "
"(%d now %d)\n",
record_i+1, lenfield_i+1, record->type, lenfield->field_int,
orig_recordlen, record->num_bytes);
/* Return normally. */
return(0);
}
/* Otherwise, update tagged field record with variable LEN field ... */
if((ret = update_ANSI_NIST_tagged_record_LEN(record)))
return(ret);
ansi_nist->num_bytes += (record->num_bytes - orig_recordlen);
fprintf(stderr, "LEN field index [%d.%d] [Type-%d.%03d] updated "
"(%d now %d)\n",
record_i+1, lenfield_i+1, record->type, lenfield->field_int,
orig_recordlen, record->num_bytes);
}
/* Return normally. */
return(0);
}
/*************************************************************************
**************************************************************************
#cat: decode_binary_field_image() - Takes an ANSI/NIST binary field
#cat: image record and decodes its image data (if necessary)
#cat: and returns the reconstructed pixmap and its attributes.
Input:
ansi_nist - ANSI/NIST file structure
imgrecord_i - index of record to be decoded
Output:
odata - points to reconstructed pixmap
ow - pixel width of pixmap
oh - pixel height of pixmap
od - pixel depth of pixmap
oppmm - scan resolution of pixmap in pixels/mm
Return Code:
TRUE - successful image reconstruction
FALSE - image record ignored
Negative - system error
**************************************************************************/
int decode_binary_field_image(unsigned char **odata,
int *ow, int *oh, int *od, double *oppmm,
const ANSI_NIST *ansi_nist, const int imgrecord_i)
{
int ret;
RECORD *imgrecord;
FIELD *field;
int field_i;
char *img_comp;
unsigned char *idata1, *idata2;
int ilen, iw1, ih1, id1;
double ppmm;
int iw2, ih2, id2, ppi, lossyflag;
/* If image record index is out of range ... */
if((imgrecord_i < 1) || (imgrecord_i > ansi_nist->num_records)){
fprintf(stderr, "ERROR : decode_binary_field_image : "
"record index [%d] out of range [1..%d]\n",
imgrecord_i+1, ansi_nist->num_records+1);
return(-2);
}
/* Set image record pointer. */
imgrecord = ansi_nist->records[imgrecord_i];
/* If for some reason someone's passes a Type-8 record ... */
if(imgrecord->type == TYPE_8_ID){
/* Post warning and ignore record Type-8. */
fprintf(stderr, "WARNING : decode_binary_field_image : "
"Type-8 record [%d] not supported.\n"
"Image record ignored.\n", imgrecord_i+1);
return(FALSE);
}
/* 1. Determine Compression */
/* Lookup binary compression algorithm (BIN_CA_ID). */
if(lookup_ANSI_NIST_field(&field, &field_i, BIN_CA_ID, imgrecord) == 0){
fprintf(stderr, "ERROR : decode_binary_field_image : "
"BIN_CA field not found in record index [%d] [Type-%d.%03d]\n",
imgrecord_i+1, imgrecord->type, BIN_CA_ID);
return(-3);
}
img_comp = (char *)field->subfields[0]->items[0]->value;
/* If Type-5,6 ... ignore if compressed. */
if((imgrecord->type == TYPE_5_ID) ||
(imgrecord->type == TYPE_6_ID)){
/* If the image data is compressed ... */
if(strcmp(img_comp, BIN_COMP_NONE) != 0){
fprintf(stderr, "WARNING : decode_binary_field_image : "
"binary image compression of "
"record index [%d] [Type-%d] is unsupported.\n"
"Image record ignored.\n",
imgrecord_i+1, imgrecord->type);
/* Ignore image record ... */
return(FALSE);
}
}
/* 2. Determine image W */
/* Lookup horizontal line length (HLL_ID). */
if(lookup_ANSI_NIST_field(&field, &field_i, HLL_ID, imgrecord) == 0){
fprintf(stderr, "ERROR : decode_binary_field_image : "
"HLL field not found in record index [%d] [Type-%d.%03d]\n",
imgrecord_i+1, imgrecord->type, HLL_ID);
return(-4);
}
iw1 = atoi((char *)field->subfields[0]->items[0]->value);
/* 3. Determine image H */
/* Lookup vertical line length (VLL_ID). */
if(lookup_ANSI_NIST_field(&field, &field_i, VLL_ID, imgrecord) == 0){
fprintf(stderr, "ERROR : decode_binary_field_image : "
"VLL field not found in record index [%d] [Type-%d.%03d]\n",
imgrecord_i+1, imgrecord->type, VLL_ID);
return(-5);
}
ih1 = atoi((char *)field->subfields[0]->items[0]->value);
/* 4. Determine pixel depth */
switch(imgrecord->type){
case TYPE_3_ID:
case TYPE_4_ID:
/* Image record is grayscale, so set pixel depth = 8. */
id1 = 8;
break;
case TYPE_5_ID:
case TYPE_6_ID:
/* Image record is bi-level, so set pixel depth = 1. */
id1 = 1;
break;
default:
fprintf(stderr, "ERROR : decode_binary_field_image : "
"illegal binary image record type = %d\n", imgrecord->type);
return(-6);
}
/* 5. Determine ppmm */
/* Lookup image record's pixel/mm scan resolution. */
if((ret = lookup_binary_field_image_ppmm(&ppmm, ansi_nist, imgrecord_i)) !=0)
return(ret);
/* Set image pointer to last field value in record. */
field = imgrecord->fields[imgrecord->num_fields-1];
idata1 = field->subfields[0]->items[0]->value;
ilen = field->subfields[0]->items[0]->num_bytes;
/* If the image data is uncompressed ... */
if(strcmp(img_comp, BIN_COMP_NONE) == 0){
idata2 = (unsigned char *)malloc((size_t)ilen);
if(idata2 == NULL){
fprintf(stderr, "ERROR : decode_binary_field_image : "
"malloc : idata2 (%d bytes)\n", ilen);
return(-7);
}
memcpy(idata2, idata1, (size_t)ilen);
*odata = idata2;
*ow = iw1;
*oh = ih1;
*od = id1;
*oppmm = ppmm;
return(TRUE);
}
/* Otherwise, binary field image data is compressed ... */
/* If WSQ compressed ... */
else if(strcmp(img_comp, BIN_COMP_WSQ) == 0){
if((ret = wsq_decode_mem(&idata2, &iw2, &ih2, &id2, &ppi, &lossyflag,
idata1, ilen)) != 0)
return(ret);
}
/* Otherwise, unsupported compression algorithm. */
else{
fprintf(stderr, "WARNING : decode_binary_field_image : "
"unsupported compression algorithm %.10s%s in "
"image record index [%d] [Type-%d].\n"
"Image record ignored.\n",
img_comp, strlen(img_comp) > 10 ? "..." : "",
imgrecord_i+1, imgrecord->type);
/* Ignore image record ... */
return(FALSE);
}
if(iw1 != iw2){
fprintf(stderr, "ERROR : decode_binary_field_image : "
"[HLL field (from file) = %d] != "
"[image width (from decoder) = %d]\n",
iw1, iw2);
free(idata2);
return(-8);
}
if(ih1 != ih2){
fprintf(stderr, "ERROR : decode_binary_field_image : "
"[VLL field (from file) = %d] != "
"[image height (from decoder) = %d]\n", ih1, ih2);
free(idata2);
return(-9);
}
if(id1 != id2){
fprintf(stderr, "ERROR : decode_binary_field_image : "
"[pixel depth (from record Type-%d) = %d] != "
"[pixel depth (from decoder) = %d]\n",
id2, imgrecord->type, id1);
free(idata2);
return(-10);
}
*odata = idata2;
*ow = iw1;
*oh = ih1;
*od = id1;
*oppmm = ppmm;
return(TRUE);
}
/*************************************************************************
**************************************************************************
#cat: decode_tagged_field_image() - Takes an ANSI/NIST tagged field
#cat: image record and decodes its image data (if necessary)
#cat: and returns the reconstructed pixmap and its attributes.
Input:
ansi_nist - ANSI/NIST file structure
imgrecord_i - index of record to be decoded
intrlvflag - if image data is RGB, then this flagged designates
whether the returned pixmap should be interleaved or not
Output:
odata - points to reconstructed pixmap
ow - pixel width of pixmap
oh - pixel height of pixmap
od - pixel depth of pixmap
oppmm - scan resolution of pixmap in pixels/mm
Return Code:
TRUE - successful image reconstruction
FALSE - image record ignored
Negative - system error
**************************************************************************/
int decode_tagged_field_image(unsigned char **odata,
int *ow, int *oh, int *od, double *oppmm,
const ANSI_NIST *ansi_nist, const int imgrecord_i,
const int intrlvflag)
{
int i, ret;
RECORD *imgrecord;
FIELD *field;
int field_i;
char *img_comp, *img_csp;
unsigned char *idata1, *idata2;
int ilen1, iw1, ih1, id1;
double ppmm;
int ilen2, iw2, ih2, id2, ppi, lossyflag;
IMG_DAT *img_dat;
int hor_sampfctr[MAX_CMPNTS], vrt_sampfctr[MAX_CMPNTS];
int n_cmpnts;
/* If image record index is out of range ... */
if((imgrecord_i < 1) || (imgrecord_i > ansi_nist->num_records)){
fprintf(stderr, "ERROR : decode_tagged_field_image : "
"record index [%d] out of range [1..%d]\n",
imgrecord_i+1, ansi_nist->num_records+1);
return(-2);
}
/* Set image record pointer. */
imgrecord = ansi_nist->records[imgrecord_i];
/* If NOT Type-10,13,14,15,16 ... */
if(tagged_image_record(ansi_nist->records[imgrecord_i]->type) == 0){
fprintf(stderr, "ERROR : decode_tagged_field_image : "
"record index [%d] [Type-%d] is not a tagged file image record\n",
imgrecord_i+1, imgrecord->type);
return(-3);
}
/* 1. Determine Compression */
/* Lookup grayscale compression algorithm (TAG_CA_ID). */
if(lookup_ANSI_NIST_field(&field, &field_i, TAG_CA_ID, imgrecord) == 0){
fprintf(stderr, "ERROR : decode_tagged_field_image : "
"TAG_CA field not found in record index [%d] [Type-%d.%03d]\n",
imgrecord_i+1, imgrecord->type, TAG_CA_ID);
return(-4);
}
img_comp = (char *)field->subfields[0]->items[0]->value;
/* 2. Determine image W */
/* Lookup horizontal line length (HLL_ID). */
if(lookup_ANSI_NIST_field(&field, &field_i, HLL_ID, imgrecord) == 0){
fprintf(stderr, "ERROR : decode_tagged_field_image : "
"HLL field not found in record index [%d] [Type-%d.%03d]\n",
imgrecord_i+1, imgrecord->type, HLL_ID);
return(-5);
}
iw1 = atoi((char *)field->subfields[0]->items[0]->value);
/* 3. Determine image H */
/* Lookup vertical line length (VLL_ID). */
if(lookup_ANSI_NIST_field(&field, &field_i, VLL_ID, imgrecord) == 0){
fprintf(stderr, "ERROR : decode_tagged_field_image : "
"VLL field not found in record index [%d] [Type-%d.%03d]\n",
imgrecord_i+1, imgrecord->type, VLL_ID);
return(-6);
}
ih1 = atoi((char *)field->subfields[0]->items[0]->value);
/* 4. Determine pixel depth */
/* Lookup bits per pixel or colorspace (BPX_ID==CSP_ID). */
if(lookup_ANSI_NIST_field(&field, &field_i, BPX_ID, imgrecord) == 0){
fprintf(stderr, "ERROR : decode_tagged_field_image : "
"BPX field not found in record index [%d] [Type-%d.%03d]\n",
imgrecord_i+1, imgrecord->type, BPX_ID);
return(-7);
}
/* if Type-10 & 17... */
if((imgrecord->type == TYPE_10_ID) || (imgrecord->type == TYPE_17_ID)){
if (imgrecord->type == TYPE_10_ID){
/* Grayscale? CSP_ID = 12, "GRAY" */
if(lookup_ANSI_NIST_field(&field, &field_i, CSP_ID, imgrecord) == 0){
fprintf(stderr, "ERROR : dpyan2k_tagged_record : "
"CSP field in record index [%d] [Type-%d.%03d] not found\n",
imgrecord_i+1, imgrecord->type, CSP_ID);
return(-2);
}
}
if (imgrecord->type == TYPE_17_ID){
/* Grayscale? CSP_ID_Type_17 = 13, "GRAY" */
if(lookup_ANSI_NIST_field(&field, &field_i, CSP_ID_Type_17, imgrecord)
== 0){
fprintf(stderr, "ERROR : dpyan2k_tagged_record : "
"CSP field in record index [%d] [Type-%d.%03d] not found\n",
imgrecord_i+1, imgrecord->type, CSP_ID_Type_17);
return(-2);
}
}
img_csp = (char *)field->subfields[0]->items[0]->value;
if(strcmp(img_csp, CSP_GRAY) == 0)
/* Set grayscale image attributes. */
id1 = 8;
else if((strcmp(img_csp, CSP_RGB) == 0) ||
(strcmp(img_csp, CSP_YCC) == 0) ||
(strcmp(img_csp, CSP_SRGB) == 0) ||
(strcmp(img_csp, CSP_SYCC) == 0))
/* Set color image attributes. */
id1 = 24;
/* Otherwise, unsupported color space, so ignore image record. */
else{
fprintf(stderr, "WARNING : decode_tagged_field_image : "
"colorspace \"%.10s%s\" not supported in "
"in record [%d] [Type-%d.%03d].\n"
"Image record ignored.\n",
img_csp, strlen(img_csp) > 10 ? "..." : "",
imgrecord_i+1, imgrecord->type, CSP_ID);
return(FALSE);
}
}
/* Otherwise, Type-13,14,15,16 ... so current value == BPX_ID. */
else{
/* Set image pixel depth = BPX_ID. */
id1 = atoi((char *)field->subfields[0]->items[0]->value);
}
/* 5. Determine ppmm */
/* Lookup image record's pixel/mm scan resolution. */
ret = lookup_tagged_field_image_ppmm(&ppmm, imgrecord);
/* If error or IGNORE ... */
if(ret <= 0)
return(ret);
/* Set image pointer to last field value in record. */
field = imgrecord->fields[imgrecord->num_fields-1];
idata1 = field->subfields[0]->items[0]->value;
ilen1 = field->subfields[0]->items[0]->num_bytes;
/* If the image data is uncompressed ... */
if(strcmp(img_comp, COMP_NONE) == 0){
idata2 = (unsigned char *)malloc((size_t)ilen1);
if(idata2 == NULL){
fprintf(stderr, "ERROR : decode_tagged_field_image : "
"malloc : idata2 (%d bytes)\n", ilen1);
return(-8);
}
memcpy(idata2, idata1, (size_t)ilen1);
/* For uncompressed RGB, the ANSI/NIST Standard dictates that */
/* the pixels will be stored noninterleaved in 3 separate */
/* component planes. */
/* So, if flag set to interleaved ... */
if((id1 == 24) && (intrlvflag != 0)){
/* There is no downsampling of RGB planes. */
n_cmpnts = 3;
for(i = 0; i < n_cmpnts; i++){
hor_sampfctr[i] = 1;
vrt_sampfctr[i] = 1;
}
if((ret = not2intrlv_mem(&idata1, &ilen1, idata2, iw1, ih1, id1,
hor_sampfctr, vrt_sampfctr, n_cmpnts)) != 0){
free(idata2);
return(ret);
}
free(idata2);
idata2 = idata1;
ilen2 = ilen1;
}
*odata = idata2;
*ow = iw1;
*oh = ih1;
*od = id1;
*oppmm = ppmm;
return(TRUE);
}
/* If WSQ compressed ... */
else if(strcmp(img_comp, COMP_WSQ) == 0){
if((ret = wsq_decode_mem(&idata2, &iw2, &ih2, &id2, &ppi, &lossyflag,
idata1, ilen1)) != 0)
return(ret);
}
#if 0
/* If JPEGB compressed ... */
else if(strcmp(img_comp, COMP_JPEGB) == 0){
if((ret = jpegb_decode_mem(&idata2, &iw2, &ih2, &id2, &ppi, &lossyflag,
idata1, ilen1)) != 0)
return(ret);
/* For 3 component color, JPEGB's decoder returns interleaved RGB. */
/* So, if flag set to NOT interleaved ... */
if((id2 == 24) && (intrlvflag == 0)){
/* There is no downsampling of RGB planes. */
n_cmpnts = 3;
for(i = 0; i < n_cmpnts; i++){
hor_sampfctr[i] = 1;
vrt_sampfctr[i] = 1;
}
if((ret = intrlv2not_mem(&idata1, &ilen1, idata2, iw2, ih2, id2,
hor_sampfctr, vrt_sampfctr, n_cmpnts)) != 0){
free(idata2);
return(ret);
}
free(idata2);
idata2 = idata1;
ilen2 = ilen1;
}
}
#endif
#if 0
/* If JPEGL compressed ... */
else if(strcmp(img_comp, COMP_JPEGL) == 0){
if((ret = jpegl_decode_mem(&img_dat, &lossyflag, idata1, ilen1)) != 0)
return(ret);
if((ret = get_IMG_DAT_image(&idata2, &ilen2, &iw2, &ih2, &id2, &ppi,
img_dat)) != 0){
free_IMG_DAT(img_dat, FREE_IMAGE);
return(ret);
}
/* For 3 component color, JPEGL's decoder returns non-interleaved */
/* components planes. So, if flag set to interleaved ... */
if((id2 == 24) && (intrlvflag != 0)){
/* Note that this is set up to handle downsampled Cb and Cr planes */
/* if the units encoded were in the YCbCr color space. However */
/* the color space would need to be converted to RGB upon return */
/* of this routine. */
/* The operational assumption is that the encoded color space */
/* was RGB. */
if((ret = not2intrlv_mem(&idata1, &ilen1, idata2,
img_dat->max_width, img_dat->max_height,
img_dat->pix_depth, img_dat->hor_sampfctr,
img_dat->vrt_sampfctr, img_dat->n_cmpnts)) !=0){
free_IMG_DAT(img_dat, FREE_IMAGE);
free(idata2);
return(ret);
}
free(idata2);
idata2 = idata1;
ilen2 = ilen1;
}
free_IMG_DAT(img_dat, FREE_IMAGE);
}
#endif
#if 0 /*__NBIS_JASPER__*/
/* If JPEG2K compress ... */
else if((strcmp(img_comp, COMP_JPEG2K) == 0) ||
(strcmp(img_comp, COMP_JPEG2KL) == 0)){
/* JPEG2K decoder always return 3 components planes. */
/* id1 = 24; -- What's in the record has already been copied
into id1, and it isn't necessarily 24 - jck */
if((ret = jpeg2k_decode_mem(&img_dat, &lossyflag, idata1, ilen1)) != 0)
return(ret);
if((ret = get_IMG_DAT_image(&idata2, &ilen2, &iw2, &ih2, &id2, &ppi,
img_dat)) != 0){
free_IMG_DAT(img_dat, FREE_IMAGE);
return(ret);
}
/* For 3 component color, JPEG2K's decoder returns non-interleaved */
/* components planes. So, if flag set to interleaved ... */
if((id2 == 24) && (intrlvflag != 0)){
if((ret = not2intrlv_mem(&idata1, &ilen1, idata2,
img_dat->max_width, img_dat->max_height,
img_dat->pix_depth, img_dat->hor_sampfctr,
img_dat->vrt_sampfctr, img_dat->n_cmpnts)) != 0){
free_IMG_DAT(img_dat, FREE_IMAGE);
free(idata2);
return(ret);
}
free_IMG_DAT(img_dat, FREE_IMAGE);
free(idata2);
idata2 = idata1;
ilen2 = ilen1;
}
}
#endif
#if 0 /*__NBIS_OPENJPEG__*/
/* If JPEG2K compress ... */
else if((strcmp(img_comp, COMP_JPEG2K) == 0) ||
(strcmp(img_comp, COMP_JPEG2KL) == 0)){
/* JPEG2K decoder always return 3 components planes. */
/* id1 = 24; -- What's in the record has already been copied
into id1, and it isn't necessarily 24 - jck */
if((ret = openjpeg2k_decode_mem(&img_dat, &lossyflag, idata1, ilen1)) != 0)
return(ret);
if((ret = get_IMG_DAT_image(&idata2, &ilen2, &iw2, &ih2, &id2, &ppi,
img_dat)) != 0){
free_IMG_DAT(img_dat, FREE_IMAGE);
return(ret);
}
/* For 3 component color, JPEG2K's decoder returns non-interleaved */
/* components planes. So, if flag set to interleaved ... */
if((id2 == 24) && (intrlvflag != 0)){
if((ret = not2intrlv_mem(&idata1, &ilen1, idata2,
img_dat->max_width, img_dat->max_height,
img_dat->pix_depth, img_dat->hor_sampfctr,
img_dat->vrt_sampfctr, img_dat->n_cmpnts)) != 0){
free_IMG_DAT(img_dat, FREE_IMAGE);
free(idata2);
return(ret);
}
free_IMG_DAT(img_dat, FREE_IMAGE);
free(idata2);
idata2 = idata1;
ilen2 = ilen1;
}
}
#endif
#if 0 /*__NBIS_PNG__*/
/* If PNG compressed ... */
else if(strcmp(img_comp, COMP_PNG) == 0){
if((ret = png_decode_mem(&img_dat, &lossyflag, idata1, ilen1)) != 0)
return(ret);
if((ret = get_IMG_DAT_image(&idata2, &ilen2, &iw2, &ih2, &id2, &ppi,
img_dat)) != 0){
free_IMG_DAT(img_dat, FREE_IMAGE);
return(ret);
}
/* For 3 component color, PNG's decoder returns non-interleaved */
/* components planes. So, if flag set to interleaved ... */
if((id2 == 24) && (intrlvflag != 0)){
if((ret = not2intrlv_mem(&idata1, &ilen1, idata2,
img_dat->max_width, img_dat->max_height,
img_dat->pix_depth, img_dat->hor_sampfctr,
img_dat->vrt_sampfctr, img_dat->n_cmpnts)) != 0){
free_IMG_DAT(img_dat, FREE_IMAGE);
free(idata2);
return(ret);
}
free_IMG_DAT(img_dat, FREE_IMAGE);
free(idata2);
idata2 = idata1;
ilen2 = ilen1;
}
}
#endif
/* Otherwise, unsupported compression algorithm. */
else{
fprintf(stderr, "WARNING : decode_tagged_field_image : "
"unsupported compression algorithm %.10s%s in "
"image record index [%d] [Type-%d].\n"
"Image record ignored.\n",
img_comp, strlen(img_comp) > 10 ? "..." : "",
imgrecord_i+1, imgrecord->type);
/* Ignore image record ... */
return(FALSE);
}
/* Code change by MDG on 07/02/04 to handle discrepancies in */
/* image records where the values in fields HLL and VLL differ */
/* from what was actually decoded from the compressed image */
/* block. In these cases, we post a warning and then set */
/* image attributes to be consistent with what was decoded. */
if(iw1 != iw2){
fprintf(stderr, "WARNING : decode_tagged_field_image : "
"[HLL field (from file) = %d] != "
"[image width (from decoder) = %d]\n"
"Will continue with operating assumption "
"that image width is %d\n", iw1, iw2, iw2);
iw1 = iw2;
}
if(ih1 != ih2){
fprintf(stderr, "WARNING : decode_tagged_field_image : "
"[VLL field (from file) = %d] != "
"[image height (from decoder) = %d]\n"
"Will continue with operating assumption "
"that image height is %d\n", ih1, ih2, ih2);
ih1 = ih2;
}
if(id1 != id2){
fprintf(stderr, "WARNING : decode_tagged_field_image : "
"[pixel depth (from field value) = %d] != "
"[pixel depth (from decoder) = %d]\n"
"Will continue with operating assumption "
"that image depth is %d\n", id1, id2, id2);
id1 = id2;
}
*odata = idata2;
*ow = iw1;
*oh = ih1;
*od = id1;
*oppmm = ppmm;
return(TRUE);
}
static int
update_type1(ANSI_NIST *ansi_nist, RECORD *record, unsigned int type,
unsigned int idc)
{
SUBFIELD *subfield = NULL;
FIELD *field = NULL;
ITEM *item = NULL;
int field_idx;
int saved_len;
char buf[8];
if (lookup_ANSI_NIST_field(&field, &field_idx, CNT_ID, record) == FALSE)
ERR_OUT("locating CNT field of Type-1 record");
// Save away the current length of the field so we can add
// the change in length to the record
saved_len = field->num_bytes;
// Create a new subfield to contain the new logical record identifier
snprintf(buf, sizeof(buf), "%d", type);
if (value2subfield(&subfield, buf) != 0)
ERR_OUT("creating new subfield");
// Add the second item to the subfield, the IDC
snprintf(buf, sizeof(buf), IDC_FMT, idc);
if (value2item(&item, buf) != 0)
ERR_OUT("creating new item");
if (append_ANSI_NIST_subfield(subfield, item) != 0)
ERR_OUT("appending item to subfield");
// Add the subfield to the field
if (append_ANSI_NIST_field(field, subfield) != 0)
ERR_OUT("adding subfield to field");
// Update the record length with the change in field length
record->num_bytes += field->num_bytes - saved_len;
if (update_ANSI_NIST_tagged_record_LEN(record) != 0)
goto err_out2;
// Update the sum of the Type-2 to Type-16 logical records, contained
// in the first subfield of the Type-1 record.
// The index numbeers are off-by-one.
if (increment_numeric_item(0, // record index
2, // field index
0, // subfield index
1, // item index
ansi_nist, // ansi_nist record
NULL) < 0)
goto err_out2;
return 0;
err_out:
if (item != NULL)
free(item);
if (subfield != NULL)
free(subfield);
return -1;
err_out2: // This exit point doesn't free any memory because the
// fields have been shoved into the record
return -1;
}
