int getc_ppi_wsq(int *oppi, unsigned char *idata, const int ilen)
{
int ret;
int ppi;
char *value;
NISTCOM *nistcom;
/* Get ppi from NISTCOM, if one exists ... */
if((ret = getc_nistcom_wsq(&nistcom, idata, ilen)))
return(ret);
if(nistcom != (NISTCOM *)NULL){
if((ret = extractfet_ret(&value, NCM_PPI, nistcom))){
freefet(nistcom);
return(ret);
}
if(value != (char *)NULL){
ppi = atoi(value);
free(value);
}
/* Otherwise, PPI not in NISTCOM, so ppi = -1. */
else
ppi = -1;
freefet(nistcom);
}
/* Otherwise, NISTCOM does NOT exist, so ppi = -1. */
else
ppi = -1;
*oppi = ppi;
return(0);
}
int readfetfile_ret(FET **ofet, char *file)
{
int ret;
FILE *fp;
FET *fet;
char c,buf[MAXFETLENGTH];
size_t len = 0;
if ((fp = fopen(file,"rb")) == (FILE *)NULL){
fprintf(stderr, "ERROR : readfetfile_ret : fopen : %s\n", file);
return(-2);
}
if((ret = allocfet_ret(&fet, MAXFETS))){
fclose(fp);
return(ret);
}
while (fscanf(fp,"%s",buf) != EOF){
while(((c = getc(fp)) == ' ') || (c == '\t'));
ungetc(c, fp);
if (fet->num >= fet->alloc){
if((ret = reallocfet_ret(&fet, fet->alloc + MAXFETS))){
fclose(fp);
freefet(fet);
return(ret);
}
}
len = strlen(buf) + 1;
fet->names[fet->num] = malloc(len);
if(fet->names[fet->num] == (char *)NULL){
fprintf(stderr, "ERROR : readfetfile_ret : malloc : fet->names[]\n");
fclose(fp);
freefet(fet);
return(-3);
}
strncpy(fet->names[fet->num], buf, len);
fgets(buf,MAXFETLENGTH-1,fp);
buf[strlen(buf)-1] = '\0';
len = strlen(buf) + 1;
fet->values[fet->num] = malloc(len);
if(fet->values[fet->num] == (char *)NULL){
fprintf(stderr, "ERROR : readfetfile_ret : malloc : fet->values[]\n");
fclose(fp);
freefet(fet);
return(-4);
}
strncpy(fet->values[fet->num], buf, len);
(fet->num)++;
}
fclose(fp);
*ofet = fet;
return(0);
}
int string2fet(FET **ofet, char *istr)
{
int ret;
char *iptr, *optr;
char name[MAXFETLENGTH], value[MAXFETLENGTH];
FET *fet;
ret = allocfet_ret(&fet, MAXFETS);
if(ret)
return(ret);
iptr = istr;
while(*iptr != '\0'){
/* Get next name */
optr = name;
while((*iptr != '\0')&&(*iptr != ' ')&&(*iptr != '\t'))
*optr++ = *iptr++;
*optr = '\0';
/* Skip white space */
while((*iptr != '\0')&&
((*iptr == ' ')||(*iptr == '\t')))
iptr++;
/* Get next value */
optr = value;
while((*iptr != '\0')&&(*iptr != '\n'))
*optr++ = *iptr++;
*optr = '\0';
/* Skip white space */
while((*iptr != '\0')&&
((*iptr == ' ')||(*iptr == '\t')||(*iptr == '\n')))
iptr++;
/* Test (name,value) pair */
if(strlen(name) == 0){
fprintf(stderr, "ERROR : string2fet : empty name string found\n");
return(-2);
}
/* Store name and value pair into FET. */
ret = updatefet_ret(name, value, fet);
if(ret){
freefet(fet);
return(ret);
}
}
*ofet = fet;
return(0);
}
int main( int argc, char **argv)
{
int ret;
int rawflag; /* raw input data or Ihead image */
char *outext; /* ouput file extension */
char *ifile, ofile[MAXPATHLEN]; /* file names */
int ilen;
int width, height; /* image parameters */
int depth, ppi;
unsigned char *idata, *odata; /* image pointers */
int lossyflag; /* data loss flag */
NISTCOM *nistcom; /* NIST Comment */
char *ppi_str;
procargs(argc, argv, &outext, &ifile, &rawflag);
ret = read_raw_from_filesize(ifile, &idata, &ilen);
if(ret)
exit(ret);
ret = wsq_decode_mem(&odata, &width, &height, &depth, &ppi, &lossyflag, idata, ilen);
if(ret){
free(idata);
exit(ret);
}
if(debug > 1)
fprintf(stderr, "Image pixmap constructed\n");
fileroot(ifile);
sprintf(ofile, "%s.%s", ifile, NCM_EXT);
/* Get NISTCOM from compressed data file */
ret = getc_nistcom_wsq(&nistcom, idata, ilen);
if(ret){
free(idata);
exit(ret);
}
free(idata);
/* WSQ decoder always returns ppi=-1, so believe PPI in NISTCOM, */
/* if it already exists. */
ppi_str = (char *)NULL;
if(nistcom != (NISTCOM *)NULL){
ret = extractfet_ret(&ppi_str, NCM_PPI, nistcom);
if(ret){
free(odata);
freefet(nistcom);
exit(ret);
}
}
if(ppi_str != (char *)NULL){
ppi = atoi(ppi_str);
free(ppi_str);
}
/* Combine NISTCOM with image features */
ret = combine_wsq_nistcom(&nistcom, width, height, depth, ppi, lossyflag,
0.0 /* will be deleted next */);
if(ret){
free(odata);
if(nistcom != (NISTCOM *)NULL)
freefet(nistcom);
exit(ret);
}
ret = del_wsq_nistcom(nistcom);
if(ret){
free(odata);
freefet(nistcom);
exit(ret);
}
/* Write NISTCOM */
ret = writefetfile_ret(ofile, nistcom);
if(ret){
free(odata);
freefet(nistcom);
exit(ret);
}
freefet(nistcom);
/* Write decoded image file. */
sprintf(ofile, "%s.%s", ifile, outext);
ret = write_raw_or_ihead(!rawflag, ofile, odata, width, height, depth, ppi);
if(ret){
free(odata);
exit(ret);
}
free(odata);
if(debug > 1)
fprintf(stdout, "Image pixmap written to %s\n", ofile);
exit(0);
}
/**
* Decodes an encoded WSQ byte array to a buffered image.
* Based on dwsq.c.
*
* @param in a byte array holding the encoded WSQ image
*
* @return a buffered image
*/
JNIEXPORT jobject JNICALL Java_org_jmrtd_imageio_WSQImageReader_decodeWSQ
(JNIEnv *env, jobject obj, jbyteArray in, jobject metadata) {
/* Java classes and objects */
jclass ioexceptionClazz = (*env)->FindClass(env, "java/io/IOException");
jclass metadataClazz = (*env)->GetObjectClass(env, metadata);
jclass imgClazz = (*env)->FindClass(env, "java/awt/image/BufferedImage");
jclass writableRasterClazz = (*env)->FindClass(env, "java/awt/image/WritableRaster");
jmethodID metadataSetPropertyMethodID = (*env)->GetMethodID(env, metadataClazz, "setProperty", "(Ljava/lang/String;Ljava/lang/String;)Z");
jmethodID imgInitMethodID = (*env)->GetMethodID(env, imgClazz, "<init>", "(III)V");
jmethodID imgGetRasterMethodID = (*env)->GetMethodID(env, imgClazz, "getRaster", "()Ljava/awt/image/WritableRaster;");
jmethodID rasterSetDataElementsMethodID = (*env)->GetMethodID(env, writableRasterClazz, "setDataElements", "(IIIILjava/lang/Object;)V");
jfieldID imgTypeByteGrayFieldID = (*env)->GetStaticFieldID(env, imgClazz, "TYPE_BYTE_GRAY", "I");
jint TYPE_BYTE_GRAY = (*env)->GetStaticIntField(env, imgClazz, imgTypeByteGrayFieldID);
jobject imgObject, rasterObject;
/* WSQ-Compressed input buffer */
unsigned char *idata = (unsigned char*)(*env)->GetByteArrayElements(env, in, JNI_FALSE);
int idata_len = (*env)->GetArrayLength(env, in);
/* Uncompressed Pixel Buffer */
unsigned char *odata = NULL;
jbyteArray jodata = NULL;
/* Image parameters */
NISTCOM *nistcom = NULL;
int width, height, depth, ppi, lossy;
int wsq_decore_ret, nistcom_ret;
/* Parse WSQ Image */
wsq_decore_ret = wsq_decode_mem(&odata, &width, &height, &depth, &ppi, &lossy, idata, idata_len);
if (wsq_decore_ret==0) {
jodata = (*env)->NewByteArray(env, width*height);
(*env)->SetByteArrayRegion(env, jodata, 0, width*height, (jbyte*)odata);
free(odata);
odata = NULL;
} else {
(*env)->ReleaseByteArrayElements(env, in, (jbyte*)idata, JNI_FALSE);
(*env)->ThrowNew(env, ioexceptionClazz, "(In native C code) function wsq_decode_mem failed");
return NULL;
}
/* WSQ Metadata */
nistcom_ret = getc_nistcom_wsq(&nistcom, idata, idata_len);
if (nistcom_ret==0 && nistcom != NULL) {
int i;
for (i=0; i<nistcom->num; i++) {
if (nistcom->names[i]) {
(*env)->CallBooleanMethod(
env,
metadata,
metadataSetPropertyMethodID,
(*env)->NewStringUTF(env, nistcom->names[i]),
nistcom->values[i] ? (*env)->NewStringUTF(env, nistcom->values[i]) : NULL );
}
}
freefet(nistcom);
}
(*env)->ReleaseByteArrayElements(env, in, (jbyte*)idata, JNI_FALSE);
/* Construct a BufferedImage from the byte array:
BufferedImage img = new BufferedImage(width, height, BufferedImage.TYPE_BYTE_GRAY);
WritableRaster raster = img.getRaster();
raster.setDataElements(0, 0, width, height, decodedBytes);
*/
imgObject = (*env)->NewObject(env, imgClazz, imgInitMethodID, width, height, TYPE_BYTE_GRAY);
rasterObject = (*env)->CallObjectMethod(env, imgObject, imgGetRasterMethodID);
(*env)->CallVoidMethod(env, rasterObject, rasterSetDataElementsMethodID, 0, 0, width, height, jodata);
return imgObject;
}
int read_ppi_wsq(int *oppi, FILE *infp)
{
int ret;
long savepos;
int ppi;
char *value;
NISTCOM *nistcom;
/* Save current position in filestream ... */
if((savepos = ftell(infp)) < 0){
fprintf(stderr, "ERROR : read_ppi_wsq : ");
fprintf(stderr, "ftell : couldn't determine current position\n");
return(-2);
}
/* Set file pointer to beginning of filestream ... */
if(fseek(infp, 0L, SEEK_SET) < 0){
fprintf(stderr, "ERROR : read_ppi_wsq : ");
fprintf(stderr, "fseek : couldn't set pointer to start of file\n");
return(-3);
}
/* Get ppi from NISTCOM, if one exists ... */
if((ret = read_nistcom_wsq(&nistcom, infp))){
/* Reset file pointer to original position in filestream ... */
if(fseek(infp, savepos, SEEK_SET) < 0){
fprintf(stderr, "ERROR : read_ppi_wsq : ");
fprintf(stderr, "fseek : couldn't reset file pointer\n");
return(-4);
}
return(ret);
}
if(nistcom != (NISTCOM *)NULL){
if((ret = extractfet_ret(&value, NCM_PPI, nistcom))){
freefet(nistcom);
/* Reset file pointer to original position in filestream ... */
if(fseek(infp, savepos, SEEK_SET) < 0){
fprintf(stderr, "ERROR : read_ppi_wsq : ");
fprintf(stderr, "fseek : couldn't reset file pointer\n");
return(-5);
}
return(ret);
}
if(value != (char *)NULL){
ppi = atoi(value);
free(value);
}
/* Otherwise, PPI not in NISTCOM, so ppi = -1. */
else
ppi = -1;
freefet(nistcom);
}
/* Otherwise, NISTCOM does NOT exist, so ppi = -1. */
else
ppi = -1;
/* Reset file pointer to original position in filestream ... */
if(fseek(infp, savepos, SEEK_SET) < 0){
fprintf(stderr, "ERROR : read_ppi_wsq : ");
fprintf(stderr, "fseek : couldn't reset file pointer\n");
return(-6);
}
*oppi = ppi;
return(0);
}
int main(int argc, char **argv)
{
int ret, sd_id;
char *outext, *ifile, ofile[MAXPATHLEN];
FILE *infp;
IHEAD *ihead;
int width, height, depth, ppi;
unsigned char *tidata, *idata, *odata, *ocdata;
int i, complen, olen, oclen;
IMG_DAT *img_dat;
NISTCOM *nistcom;
char *comment_text;
int sampfctr;
procargs(argc, argv, &sd_id, &outext, &ifile);
infp = fopen(ifile, "rb");
if(infp == (FILE *)NULL) {
fprintf(stderr, "Error opening file %s for reading\n", ifile);
exit(-2);
}
ihead = readihdr(infp);
if(ihead == (IHEAD *)NULL) {
fprintf(stderr, "Error reading IHEAD header\n");
exit(-3);
}
sscanf(ihead->height,"%d", &height);
sscanf(ihead->width,"%d", &width);
sscanf(ihead->depth,"%d", &depth);
sscanf(ihead->density,"%d", &ppi);
sscanf(ihead->complen,"%d", &complen);
/* Construct NISTCOM */
if((ret = sd_ihead_to_nistcom(&nistcom, ihead, sd_id))){
free(ihead);
exit(ret);
}
free(ihead);
if(sd_id == 14){
if((ret = combine_wsq_nistcom(&nistcom, width, height, depth, ppi,
1, -1.0 /* unknown bitrate */))){
freefet(nistcom);
exit(ret);
}
}
else{
if((ret = combine_jpegl_nistcom(&nistcom, width, height, depth, ppi,
0, 1, (int *)NULL, (int *)NULL, 0, PRED4))){
freefet(nistcom);
exit(ret);
}
}
/* Convert NISTCOM to string. */
if((ret = fet2string(&comment_text, nistcom))){
freefet(nistcom);
exit(ret);
}
freefet(nistcom);
/* Switch on converter, supplying a NISTCOM ... */
/* If SD14 ... WSQ convert. */
if(sd_id == 14){
/* Convert image data to new format in memory. */
if((ret = wsq14_2_wsq(&odata, &olen, infp))) {
fclose(infp);
free(comment_text);
exit(ret);
}
fclose(infp);
/* Add comment text into new data format stream. */
if((ret = add_comment_wsq(&ocdata, &oclen, odata, olen,
(unsigned char *)comment_text))){
free(odata);
free(comment_text);
exit(ret);
}
free(odata);
odata = ocdata;
olen = oclen;
}
/* Otherwise, SD 4,9,10,18 ... JPEGL convert. */
else{
if((tidata = (unsigned char *)malloc(complen)) == (unsigned char *)NULL){
fprintf(stderr, "ERROR : %s : malloc : tidata\n", argv[0]);
exit(-4);
}
i = fread(tidata, sizeof(unsigned char), complen, infp);
if(i != complen) {
fprintf(stderr, "Error reading compressed data from %s\n", ifile);
free(tidata);
exit(-5);
}
fclose(infp);
if(debug > 0)
fprintf(stdout, "File %s read\n", ifile);
if((idata = (unsigned char *)malloc(width*height))==(unsigned char *)NULL){
fprintf(stderr, "ERROR : %s : malloc : idata\n", argv[0]);
free(tidata);
free(comment_text);
exit(-6);
}
if((ret = jpegl_sd4_decode_mem(tidata, complen,
width, height, depth, idata))){
free(tidata);
free(comment_text);
free(idata);
exit(ret);
}
free(tidata);
if(debug > 0){
fprintf(stdout, "Done decode JPEGL SD4 image\n");
fprintf(stdout, "Starting JPEGL compression\n");
}
/* Used to setup integer array of length 1 initialized to 1. */
sampfctr = 1;
if((ret = setup_IMG_DAT_nonintrlv_encode(&img_dat, idata,
width, height, depth, ppi,
&sampfctr, &sampfctr, 1,
0, PRED4))) {
free(comment_text);
free(idata);
exit(ret);
}
if(debug > 0)
fprintf(stdout, "Image structure initialized\n");
if((ret = jpegl_encode_mem(&odata, &olen, img_dat, comment_text))){
free(comment_text);
free_IMG_DAT(img_dat, FREE_IMAGE);
exit(ret);
}
free(comment_text);
free_IMG_DAT(img_dat, FREE_IMAGE);
}
if(debug > 0)
fprintf(stdout, "Image data converted, reformatted byte length = %d\n",
olen);
/* Write reformatted file. */
fileroot(ifile);
sprintf(ofile, "%s.%s", ifile, outext);
if((ret = write_raw_from_memsize(ofile, odata, olen))){
free(odata);
exit(ret);
}
if(debug > 0)
fprintf(stdout, "Image data written to file %s\n", ofile);
free(odata);
exit(0);
}
int main(int argc, char *argv[])
{
int ret, rawflag, img_type;
unsigned char *idata, *odata;
int ilen, width, height, depth, ppi, lossyflag;
IHEAD *ihead;
FILE *fp;
char *outext, *ifile, ofile[MAXPATHLEN];
NISTCOM *nistcom;
procargs(argc, argv, &outext, &ifile, &rawflag);
/* Set ppi to unknown */
ppi = -1;
nistcom = (NISTCOM *)NULL;
/* Check image type */
ret = read_raw_from_filesize(ifile, &idata, &ilen);
if(ret)
exit(ret);
ret = image_type(&img_type, idata, ilen);
if(ret) {
free(idata);
exit(ret);
}
free(idata);
/* Open image file for reading based on image type */
if((fp = fopen(ifile,"rb")) == NULL) {
fprintf(stderr, "ERROR: main : fopen : %s\n",ifile);
exit(-1);
}
/* If img_type is ihead ... */
if(img_type == IHEAD_IMG){
/* Read ihead header and check for WSQ_SD14 compression */
ihead = readihdr(fp);
if(atoi(ihead->compress) != WSQ_SD14){
fprintf(stderr, "ERROR : main : input image not WSQ_SD14 compressed\n");
fprintf(stderr, " compression = %d, WSQ_SD14 = %d\n",
atoi(ihead->compress), WSQ_SD14);
fclose(fp);
free(ihead);
exit(-1);
}
/* Get ppi from ihead header */
sscanf(ihead->density,"%d", &ppi);
/* Create a nistcom for the image attributes */
ret = sd_ihead_to_nistcom(&nistcom, ihead, 14);
if(ret) {
fclose(fp);
free(ihead);
exit(ret);
}
free(ihead);
}
/* If image not WSQ_IMG or IHEAD_IMG, ERROR!!! */
else if(img_type != WSQ_IMG) {
fprintf(stderr, "ERROR : main : Invalid image\n");
fprintf(stderr, "Expected a WSQ_SD14 compressed image in\n");
fprintf(stderr, "either raw or ihead format.\n");
fclose(fp);
exit(-1);
}
/* Decode compressed image */
ret = wsq14_decode_file(&odata, &width, &height, &depth, &lossyflag, fp);
if(ret){
fclose(fp);
if(img_type == IHEAD_IMG)
freefet(nistcom);
exit(ret);
}
fclose(fp);
if(debug > 1)
fprintf(stderr, "Image pixmap constructed\n");
/* Combine image attributes into current nistcom */
ret = combine_wsq_nistcom(&nistcom, width, height, depth, ppi, lossyflag, -1.0);
if(ret){
if(img_type == IHEAD_IMG)
freefet(nistcom);
free(odata);
exit(ret);
}
ret = del_wsq_nistcom(nistcom);
if(ret){
free(odata);
freefet(nistcom);
exit(ret);
}
fileroot(ifile);
sprintf(ofile, "%s.%s", ifile, NCM_EXT);
/* Write NISTCOM */
ret = writefetfile_ret(ofile, nistcom);
if(ret){
freefet(nistcom);
free(odata);
exit(ret);
}
freefet(nistcom);
/* Write decompressed image */
sprintf(ofile, "%s.%s", ifile, outext);
ret = write_raw_or_ihead(!rawflag, ofile, odata, width, height, depth, ppi);
if(ret){
free(odata);
exit(ret);
}
free(odata);
if(debug > 1)
fprintf(stderr, "Image pixmap written to %s\n", ofile);
exit(0);
}