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openjpeg/jp3d/codec/convert.c

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initial release of jp3d library and codec
2006-10-30 16:32:50 +01:00
/*
* Copyright (c) 2001-2003, David Janssens
* Copyright (c) 2002-2003, Yannick Verschueren
* Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
* Copyright (c) 2005, Herv<EFBFBD> Drolon, FreeImage Team
* Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
* Copyright (c) 2006, M<EFBFBD>nica D<EFBFBD>ez Garc<EFBFBD>a, Image Processing Laboratory, University of Valladolid, Spain
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "openjpeg.h"
#ifdef WIN32
#include "dirent.h"
#else
#include <dirent.h>
#endif /* WIN32 */
void dump_volume(FILE *fd, opj_volume_t * vol) {
int compno;
fprintf(fd, "volume {\n");
fprintf(fd, " x0=%d, y0=%d, z0=%d, x1=%d, y1=%d, z1=%d\n", vol->x0, vol->y0, vol->z0,vol->x1, vol->y1, vol->z1);
fprintf(fd, " numcomps=%d\n", vol->numcomps);
for (compno = 0; compno < vol->numcomps; compno++) {
opj_volume_comp_t *comp = &vol->comps[compno];
fprintf(fd, " comp %d {\n", compno);
fprintf(fd, " dx=%d, dy=%d, dz=%d\n", comp->dx, comp->dy, comp->dz);
fprintf(fd, " prec=%d\n", comp->prec);
fprintf(fd, " sgnd=%d\n", comp->sgnd);
fprintf(fd, " }\n");
}
fprintf(fd, "}\n");
}
/*
* Get logarithm of an integer and round downwards.
*
* log2(a)
*/
static int int_floorlog2(int a) {
int l;
for (l = 0; a > 1; l++) {
a >>= 1;
}
return l;
}
/*
* Divide an integer by a power of 2 and round upwards.
*
* a divided by 2^b
*/
static int int_ceildivpow2(int a, int b) {
return (a + (1 << b) - 1) >> b;
}
/*
* Divide an integer and round upwards.
*
* a divided by b
*/
static int int_ceildiv(int a, int b) {
return (a + b - 1) / b;
}
/* -->> -->> -->> -->>
PGX IMAGE FORMAT
<<-- <<-- <<-- <<-- */
unsigned char readuchar(FILE * f)
{
unsigned char c1;
fread(&c1, 1, 1, f);
return c1;
}
unsigned short readushort(FILE * f, int bigendian)
{
unsigned char c1, c2;
fread(&c1, 1, 1, f);
fread(&c2, 1, 1, f);
if (bigendian)
return (c1 << 8) + c2;
else
return (c2 << 8) + c1;
}
unsigned int readuint(FILE * f, int bigendian)
{
unsigned char c1, c2, c3, c4;
fread(&c1, 1, 1, f);
fread(&c2, 1, 1, f);
fread(&c3, 1, 1, f);
fread(&c4, 1, 1, f);
if (bigendian)
return (c1 << 24) + (c2 << 16) + (c3 << 8) + c4;
else
return (c4 << 24) + (c3 << 16) + (c2 << 8) + c1;
}
/*****************************************/
static unsigned short ShortSwap(unsigned short v)
{
unsigned char c1, c2;
c1 = v & 0xff;
c2 = (v >> 8) & 0xff;
return (c1 << 8) + c2;
}
static unsigned int LongSwap (unsigned int i)
{
unsigned char b1, b2, b3, b4;
b1 = i & 255;
b2 = ( i >> 8 ) & 255;
b3 = ( i>>16 ) & 255;
b4 = ( i>>24 ) & 255;
return ((int)b1 << 24) + ((int)b2 << 16) + ((int)b3 << 8) + b4;
}
/*****************************************/
opj_volume_t* pgxtovolume(char *relpath, opj_cparameters_t *parameters) {
FILE *f = NULL;
int w, h, prec;
unsigned long offset;
int i, s, numcomps, maxvalue, sliceno, slicepos, maxslice = 0;
OPJ_COLOR_SPACE color_space;
opj_volume_cmptparm_t cmptparm; // maximum of 1 component
opj_volume_t * volume = NULL;
char endian1,endian2,sign;
char signtmp[32];
char temp[32];
opj_volume_comp_t *comp = NULL;
DIR *dirp;
struct dirent *direntp;
char *tmp = NULL, *tmp2 = NULL,
*point = NULL, *pgx = NULL;
char tmpdirpath[MAX_PATH];
char dirpath[MAX_PATH];
char pattern[MAX_PATH];
char pgxfiles[MAX_SLICES][MAX_PATH];
int pgxslicepos[MAX_SLICES];
char tmpno[3];
numcomps = 1;
color_space = CLRSPC_GRAY;
sliceno = 0;
maxvalue = 0;
memset(pgxfiles, 0, MAX_SLICES * MAX_PATH * sizeof(char));
memset(&cmptparm, 0, sizeof(opj_volume_cmptparm_t));
/* Separaci<63>n del caso de un <20>nico slice frente al de muchos */
if ((tmp = strrchr(relpath,'-')) == NULL){
//fprintf(stdout,"[INFO] A volume of only one slice....\n");
sliceno = 1;
maxslice = 1;
strcpy(pgxfiles[0],relpath);
} else {
//Fetch only the path
strcpy(tmpdirpath,relpath);
if ((tmp = strrchr(tmpdirpath,'/')) != NULL){
tmp++; *tmp='\0';
strcpy(dirpath,tmpdirpath);
} else {
strcpy(dirpath,"./");
}
//Fetch the pattern of the volume slices
if ((tmp = strrchr (relpath,'/')) != NULL)
tmp++;
else
tmp = relpath;
if ((tmp2 = strrchr(tmp,'-')) != NULL)
*tmp2='\0';
else{
fprintf(stdout, "[ERROR] tmp2 ha dado null. no ha encontrado el * %s %s",tmp,relpath);
return NULL;
}
strcpy(pattern,tmp);
dirp = opendir( dirpath );
if (dirp == NULL){
fprintf(stdout, "[ERROR] Infile must be a .pgx file or a directory that contain pgx files");
return NULL;
}
/*Read all .pgx files of directory */
while ( (direntp = readdir( dirp )) != NULL )
{
/* Found a directory, but ignore . and .. */
if(strcmp(".",direntp->d_name) == 0 || strcmp("..",direntp->d_name) == 0)
continue;
if( ((pgx = strstr(direntp->d_name,pattern)) != NULL) && ((tmp2 = strstr(direntp->d_name,".pgx")) != NULL) ){
strcpy(tmp,dirpath);
tmp = strcat(tmp,direntp->d_name);
//Obtenemos el index de la secuencia de slices
if ((tmp2 = strpbrk (direntp->d_name, "0123456789")) == NULL)
continue;
i = 0;
while (tmp2 != NULL) {
tmpno[i++] = *tmp2;
point = tmp2;
tmp2 = strpbrk (tmp2+1,"0123456789");
}tmpno[i]='\0';
//Comprobamos que no estamos leyendo algo raro como pattern.jp3d
if ((point = strpbrk (point,".")) == NULL){
break;
}
//Slicepos --> index de slice; Sliceno --> no de slices hasta el momento
slicepos = atoi(tmpno);
pgxslicepos[sliceno] = slicepos - 1;
sliceno++;
if (slicepos>maxslice)
maxslice = slicepos;
//Colocamos el slices en su posicion correspondiente
strcpy(pgxfiles[slicepos-1],tmp);
}
}
}/* else if pattern*.pgx */
if (!sliceno) {
fprintf(stdout,"[ERROR] No slices with this pattern founded !! Please check input volume name\n");
return NULL;
}
/*if ( maxslice != sliceno) {
fprintf(stdout,"[ERROR] Slices are not sequentially numbered !! Please rename them accordingly\n");
return NULL;
}*/
for (s=0;s<sliceno;s++)
{
int pos = maxslice == sliceno ? s: pgxslicepos[s];
f = fopen(pgxfiles[pos], "rb");
if (!f) {
fprintf(stdout, "[ERROR] Failed to open %s for reading !\n", pgxfiles[s]);
return NULL;
}
fprintf(stdout, "[INFO] Loading %s \n",pgxfiles[pos]);
fseek(f, 0, SEEK_SET);
fscanf(f, "PG%[ \t]%c%c%[ \t+-]%d%[ \t]%d%[ \t]%d",temp,&endian1,&endian2,signtmp,&prec,temp,&w,temp,&h);
i=0;
sign='+';
while (signtmp[i]!='\0') {
if (signtmp[i]=='-') sign='-';
i++;
}
fgetc(f);
if (endian1=='M' && endian2=='L') {
cmptparm.bigendian = 1;
} else if (endian2=='M' && endian1=='L') {
cmptparm.bigendian = 0;
} else {
fprintf(stdout, "[ERROR] Bad pgx header, please check input file\n");
return NULL;
}
if (s==0){
/* initialize volume component */
cmptparm.x0 = parameters->volume_offset_x0;
cmptparm.y0 = parameters->volume_offset_y0;
cmptparm.z0 = parameters->volume_offset_z0;
cmptparm.w = !cmptparm.x0 ? (w - 1) * parameters->subsampling_dx + 1 : cmptparm.x0 + (w - 1) * parameters->subsampling_dx + 1;
cmptparm.h = !cmptparm.y0 ? (h - 1) * parameters->subsampling_dy + 1 : cmptparm.y0 + (h - 1) * parameters->subsampling_dy + 1;
cmptparm.l = !cmptparm.z0 ? (sliceno - 1) * parameters->subsampling_dz + 1 : cmptparm.z0 + (sliceno - 1) * parameters->subsampling_dz + 1;
if (sign == '-') {
cmptparm.sgnd = 1;
} else {
cmptparm.sgnd = 0;
}
cmptparm.prec = prec;
cmptparm.bpp = prec;
cmptparm.dcoffset = parameters->dcoffset;
cmptparm.dx = parameters->subsampling_dx;
cmptparm.dy = parameters->subsampling_dy;
cmptparm.dz = parameters->subsampling_dz;
/* create the volume */
volume = opj_volume_create(numcomps, &cmptparm, color_space);
if(!volume) {
fclose(f);
return NULL;
}
/* set volume offset and reference grid */
volume->x0 = cmptparm.x0;
volume->y0 = cmptparm.y0;
volume->z0 = cmptparm.z0;
volume->x1 = cmptparm.w;
volume->y1 = cmptparm.h;
volume->z1 = cmptparm.l;
/* set volume data :only one component, that is a volume*/
comp = &volume->comps[0];
}//if sliceno==1
offset = w * h * s;
for (i = 0; i < w * h; i++) {
int v;
if (comp->prec <= 8) {
if (!comp->sgnd) {
v = readuchar(f);
} else {
v = (char) readuchar(f);
}
} else if (comp->prec <= 16) {
if (!comp->sgnd) {
v = readushort(f, cmptparm.bigendian);
} else {
v = (short) readushort(f, cmptparm.bigendian);
}
} else {
if (!comp->sgnd) {
v = readuint(f, cmptparm.bigendian);
} else {
v = (int) readuint(f, cmptparm.bigendian);
}
}
if (v > maxvalue)
maxvalue = v;
comp->data[i + offset] = v;
}
fclose(f);
} // for s --> sliceno
comp->bpp = int_floorlog2(maxvalue) + 1;
if (sliceno != 1)
closedir( dirp );
//dump_volume(stdout, volume);
return volume;
}
int volumetopgx(opj_volume_t * volume, char *outfile) {
int w, wr, wrr, h, hr, hrr, l, lr, lrr;
int i, j, compno, offset, sliceno;
FILE *fdest = NULL;
for (compno = 0; compno < volume->numcomps; compno++) {
opj_volume_comp_t *comp = &volume->comps[compno];
char name[256];
int nbytes = 0;
char *tmp = outfile;
while (*tmp) {
tmp++;
}
while (*tmp!='.') {
tmp--;
}
*tmp='\0';
for(sliceno = 0; sliceno < volume->z1 - volume->z0; sliceno++) {
if (volume->numcomps > 1) {
sprintf(name, "%s%d-%d.pgx", outfile, sliceno+1, compno);
} else if ((volume->z1 - volume->z0) > 1) {
sprintf(name, "%s%d.pgx", outfile, sliceno+1);
} else {
sprintf(name, "%s.pgx", outfile);
}
fdest = fopen(name, "wb");
if (!fdest) {
fprintf(stdout, "[ERROR] Failed to open %s for writing \n", name);
return 1;
}
fprintf(stdout,"[INFO] Writing in %s (%s)\n",name,volume->comps[0].bigendian ? "Bigendian" : "Little-endian");
w = int_ceildiv(volume->x1 - volume->x0, volume->comps[compno].dx);
wr = volume->comps[compno].w;
wrr = int_ceildivpow2(volume->comps[compno].w, volume->comps[compno].factor[0]);
h = int_ceildiv(volume->y1 - volume->y0, volume->comps[compno].dy);
hr = volume->comps[compno].h;
hrr = int_ceildivpow2(volume->comps[compno].h, volume->comps[compno].factor[1]);
l = int_ceildiv(volume->z1 - volume->z0, volume->comps[compno].dz);
lr = volume->comps[compno].l;
lrr = int_ceildivpow2(volume->comps[compno].l, volume->comps[compno].factor[2]);
fprintf(fdest, "PG %c%c %c%d %d %d\n", comp->bigendian ? 'M':'L', comp->bigendian ? 'L':'M',comp->sgnd ? '-' : '+', comp->prec, wr, hr);
if (comp->prec <= 8) {
nbytes = 1;
} else if (comp->prec <= 16) {
nbytes = 2;
} else {
nbytes = 4;
}
offset = (sliceno / lrr * l) + (sliceno % lrr);
offset = wrr * hrr * offset;
//fprintf(stdout,"%d %d %d %d\n",offset,wrr*hrr,wrr,w);
for (i = 0; i < wrr * hrr; i++) {
int v = volume->comps[0].data[(i / wrr * w) + (i % wrr) + offset];
if (volume->comps[0].bigendian) {
for (j = nbytes - 1; j >= 0; j--) {
char byte = (char) ((v >> (j * 8)) & 0xff);
fwrite(&byte, 1, 1, fdest);
}
} else {
for (j = 0; j <= nbytes - 1; j++) {
char byte = (char) ((v >> (j * 8)) & 0xff);
fwrite(&byte, 1, 1, fdest);
}
}
}
fclose(fdest);
}//for sliceno
}//for compno
return 0;
}
/* -->> -->> -->> -->>
BIN IMAGE FORMAT
<<-- <<-- <<-- <<-- */
opj_volume_t* bintovolume(char *filename, char *fileimg, opj_cparameters_t *parameters) {
int subsampling_dx = parameters->subsampling_dx;
int subsampling_dy = parameters->subsampling_dy;
int subsampling_dz = parameters->subsampling_dz;
int i, compno, w, h, l, numcomps = 1;
int prec, max = 0;
// char temp[32];
char line[100];
int bigendian;
FILE *f = NULL;
FILE *fimg = NULL;
OPJ_COLOR_SPACE color_space;
opj_volume_cmptparm_t cmptparm; /* maximum of 1 component */
opj_volume_t * volume = NULL;
opj_volume_comp_t *comp = NULL;
bigendian = 0;
color_space = CLRSPC_GRAY;
fimg = fopen(fileimg,"r");
if (!fimg) {
fprintf(stdout, "[ERROR] Failed to open %s for reading !!\n", fileimg);
return 0;
}
fseek(fimg, 0, SEEK_SET);
while (!feof(fimg)) {
fgets(line,100,fimg);
//fprintf(stdout,"%s %d \n",line,feof(fimg));
if (strncmp(line,"Bpp",3) == 0){
sscanf(line,"%*s%*[ \t]%d",&prec);
} else if (strncmp(line,"Color",5) == 0){
sscanf(line, "%*s%*[ \t]%d",&color_space);
} else if (strncmp(line,"Dim",3) == 0){
sscanf(line, "%*s%*[ \t]%d%*[ \t]%d%*[ \t]%d",&w,&h,&l);
}
}
//fscanf(fimg, "Bpp%[ \t]%d%[ \t\n]",temp,&prec,temp);
//fscanf(fimg, "Color Map%[ \t]%d%[ \n\t]Dimensions%[ \t]%d%[ \t]%d%[ \t]%d%[ \n\t]",temp,&color_space,temp,temp,&w,temp,&h,temp,&l,temp);
//fscanf(fimg, "Resolution(mm)%[ \t]%d%[ \t]%d%[ \t]%d%[ \n\t]",temp,&subsampling_dx,temp,&subsampling_dy,temp,&subsampling_dz,temp);
#ifdef VERBOSE
fprintf(stdout, "[INFO] %d \t %d %d %d \t %3.2f %2.2f %2.2f \t %d \n",color_space,w,h,l,subsampling_dx,subsampling_dy,subsampling_dz,prec);
#endif
fclose(fimg);
/* initialize volume components */
memset(&cmptparm, 0, sizeof(opj_volume_cmptparm_t));
cmptparm.prec = prec;
cmptparm.bpp = prec;
cmptparm.sgnd = 0;
cmptparm.bigendian = bigendian;
cmptparm.dcoffset = parameters->dcoffset;
cmptparm.dx = subsampling_dx;
cmptparm.dy = subsampling_dy;
cmptparm.dz = subsampling_dz;
cmptparm.w = w;
cmptparm.h = h;
cmptparm.l = l;
/* create the volume */
volume = opj_volume_create(numcomps, &cmptparm, color_space);
if(!volume) {
fprintf(stdout,"[ERROR] Unable to create volume");
fclose(f);
return NULL;
}
/* set volume offset and reference grid */
volume->x0 = parameters->volume_offset_x0;
volume->y0 = parameters->volume_offset_y0;
volume->z0 = parameters->volume_offset_z0;
volume->x1 = parameters->volume_offset_x0 + (w - 1) * subsampling_dx + 1;
volume->y1 = parameters->volume_offset_y0 + (h - 1) * subsampling_dy + 1;
volume->z1 = parameters->volume_offset_z0 + (l - 1) * subsampling_dz + 1;
/* set volume data */
f = fopen(filename, "rb");
if (!f) {
fprintf(stdout, "[ERROR] Failed to open %s for reading !!\n", filename);
return 0;
}
/* BINARY */
for (compno = 0; compno < volume->numcomps; compno++) {
int whl = w * h * l;
/* set volume data */
comp = &volume->comps[compno];
/*if (comp->prec <= 8) {
if (!comp->sgnd) {
unsigned char *data = (unsigned char *) malloc(whl * sizeof(unsigned char));
fread(data, 1, whl, f);
for (i = 0; i < whl; i++) {
comp->data[i] = data[i];
if (comp->data[i] > max)
max = comp->data[i];
}
free(data);
} else {
char *data = (char *) malloc(whl);
fread(data, 1, whl, f);
for (i = 0; i < whl; i++) {
comp->data[i] = data[i];
if (comp->data[i] > max)
max = comp->data[i];
}
free(data);
}
} else if (comp->prec <= 16) {
if (!comp->sgnd) {
unsigned short *data = (unsigned short *) malloc(whl * sizeof(unsigned short));
int leido = fread(data, 2, whl, f);
if (!leido) {
free(data); fclose(f);
return NULL;
}
for (i = 0; i < whl; i++) {
if (bigendian) //(c1 << 8) + c2;
comp->data[i] = data[i];
else{ //(c2 << 8) + c1;
comp->data[i] = ShortSwap(data[i]);
}
if (comp->data[i] > max)
max = comp->data[i];
}
free(data);
} else {
short *data = (short *) malloc(whl);
int leido = fread(data, 2, whl, f);
if (!leido) {
free(data); fclose(f);
return NULL;
}
for (i = 0; i < whl; i++) {
if (bigendian){ //(c1 << 8) + c2;
comp->data[i] = data[i];
}else{ //(c2 << 8) + c1;
comp->data[i] = (short) ShortSwap((unsigned short) data[i]);
}
if (comp->data[i] > max)
max = comp->data[i];
}
free(data);
}
} else {
if (!comp->sgnd) {
unsigned int *data = (unsigned int *) malloc(whl * sizeof(unsigned int));
int leido = fread(data, 4, whl, f);
if (!leido) {
free(data); fclose(f);
return NULL;
} for (i = 0; i < whl; i++) {
if (!bigendian)
comp->data[i] = LongSwap(data[i]);
else
comp->data[i] = data[i];
if (comp->data[i] > max)
max = comp->data[i];
}
free(data);
} else {
int leido = fread(comp->data, 4, whl, f);
if (!leido) {
fclose(f);
return NULL;
}
for (i = 0; i < whl; i++) {
if (!bigendian)
comp->data[i] = (int) LongSwap((unsigned int) comp->data[i]);
if (comp->data[i] > max)
max = comp->data[i];
}
}
}*/
for (i = 0; i < whl; i++) {
int v;
if (comp->prec <= 8) {
if (!comp->sgnd) {
v = readuchar(f);
} else {
v = (char) readuchar(f);
}
} else if (comp->prec <= 16) {
if (!comp->sgnd) {
v = readushort(f, bigendian);
} else {
v = (short) readushort(f, bigendian);
}
} else {
if (!comp->sgnd) {
v = readuint(f, bigendian);
} else {
v = (int) readuint(f, bigendian);
}
}
if (v > max)
max = v;
comp->data[i] = v;
}
comp->bpp = int_floorlog2(max) + 1;
}
fclose(f);
return volume;
}
int volumetobin(opj_volume_t * volume, char *outfile) {
int w, wr, wrr, h, hr, hrr, l, lr, lrr, max;
int i,j, compno, nbytes;
int offset, sliceno;
FILE *fdest = NULL;
FILE *fimgdest = NULL;
// char *imgtemp;
char name[256];
for (compno = 0; compno < 1; compno++) { //Only one component
fdest = fopen(outfile, "wb");
if (!fdest) {
fprintf(stdout, "[ERROR] Failed to open %s for writing\n", outfile);
return 1;
}
fprintf(stdout,"[INFO] Writing outfile %s (%s) \n",outfile, volume->comps[0].bigendian ? "Bigendian" : "Little-endian");
w = int_ceildiv(volume->x1 - volume->x0, volume->comps[compno].dx);
wr = volume->comps[compno].w;
wrr = int_ceildivpow2(volume->comps[compno].w, volume->comps[compno].factor[0]);
h = int_ceildiv(volume->y1 - volume->y0, volume->comps[compno].dy);
hr = volume->comps[compno].h;
hrr = int_ceildivpow2(volume->comps[compno].h, volume->comps[compno].factor[1]);
l = int_ceildiv(volume->z1 - volume->z0, volume->comps[compno].dz);
lr = volume->comps[compno].l;
lrr = int_ceildivpow2(volume->comps[compno].l, volume->comps[compno].factor[2]);
max = (volume->comps[compno].prec <= 8) ? 255 : (1 << volume->comps[compno].prec) - 1;
volume->comps[compno].x0 = int_ceildivpow2(volume->comps[compno].x0 - int_ceildiv(volume->x0, volume->comps[compno].dx), volume->comps[compno].factor[0]);
volume->comps[compno].y0 = int_ceildivpow2(volume->comps[compno].y0 - int_ceildiv(volume->y0, volume->comps[compno].dy), volume->comps[compno].factor[1]);
volume->comps[compno].z0 = int_ceildivpow2(volume->comps[compno].z0 - int_ceildiv(volume->z0, volume->comps[compno].dz), volume->comps[compno].factor[2]);
if (volume->comps[0].prec <= 8) {
nbytes = 1;
} else if (volume->comps[0].prec <= 16) {
nbytes = 2;
} else {
nbytes = 4;
}
//fprintf(stdout,"w %d wr %d wrr %d h %d hr %d hrr %d l %d lr %d lrr %d max %d nbytes %d\n Factor %d %d %d",w,wr,wrr,h,hr,hrr,l,lr,lrr,max,nbytes,volume->comps[compno].factor[0],volume->comps[compno].factor[1],volume->comps[compno].factor[2]);
for(sliceno = 0; sliceno < lrr; sliceno++) {
offset = (sliceno / lrr * l) + (sliceno % lrr);
offset = wrr * hrr * offset;
for (i = 0; i < wrr * hrr; i++) {
int v = volume->comps[0].data[(i / wrr * w) + (i % wrr) + offset];
if (volume->comps[0].bigendian) {
for (j = nbytes - 1; j >= 0; j--) {
char byte = (char) ((v >> (j * 8)) & 0xff);
fwrite(&byte, 1, 1, fdest);
}
} else {
for (j = 0; j <= nbytes - 1; j++) {
char byte = (char) ((v >> (j * 8)) & 0xff);
fwrite(&byte, 1, 1, fdest);
}
}
}
}
}
fclose(fdest);
sprintf(name,"%s.img",outfile);
fimgdest = fopen(name, "w");
if (!fimgdest) {
fprintf(stdout, "[ERROR] Failed to open %s for writing\n", name);
return 1;
}
fprintf(fimgdest, "Bpp\t%d\nColor Map\t2\nDimensions\t%d\t%d\t%d\nResolution(mm)\t%d\t%d\t%d\t\n",
volume->comps[0].prec,wrr,hrr,lrr,volume->comps[0].dx,volume->comps[0].dy,volume->comps[0].dz);
fclose(fimgdest);
return 0;
}
/* -->> -->> -->> -->>
IMG IMAGE FORMAT
<<-- <<-- <<-- <<-- */
opj_volume_t* imgtovolume(char *fileimg, opj_cparameters_t *parameters) {
int subsampling_dx = parameters->subsampling_dx;
int subsampling_dy = parameters->subsampling_dy;
int subsampling_dz = parameters->subsampling_dz;
int i, compno, w, h, l, numcomps = 1;
int prec, max = 0, min = 0;
float dx, dy, dz;
char filename[100], tmpdirpath[100], dirpath[100], *tmp;
char line[100], datatype[100];
int bigendian;
FILE *f = NULL;
FILE *fimg = NULL;
OPJ_COLOR_SPACE color_space;
opj_volume_cmptparm_t cmptparm; /* maximum of 1 component */
opj_volume_t * volume = NULL;
opj_volume_comp_t *comp = NULL;
bigendian = 0;
color_space = CLRSPC_GRAY;
fimg = fopen(fileimg,"r");
if (!fimg) {
fprintf(stderr, "[ERROR] Failed to open %s for reading !!\n", fileimg);
return 0;
}
//Fetch only the path
strcpy(tmpdirpath,fileimg);
if ((tmp = strrchr(tmpdirpath,'/')) != NULL){
tmp++; *tmp='\0';
strcpy(dirpath,tmpdirpath);
} else {
strcpy(dirpath,"./");
}
fseek(fimg, 0, SEEK_SET);
while (!feof(fimg)) {
fgets(line,100,fimg);
//fprintf(stdout,"%s %d \n",line,feof(fimg));
if (strncmp(line,"Image",5) == 0){
sscanf(line,"%*s%*[ \t]%s",datatype);
} else if (strncmp(line,"File",4) == 0){
sscanf(line,"%*s %*s%*[ \t]%s",filename);
strcat(dirpath, filename);
strcpy(filename,dirpath);
} else if (strncmp(line,"Min",3) == 0){
sscanf(line,"%*s %*s%*[ \t]%d%*[ \t]%d",&min,&max);
prec = int_floorlog2(max - min + 1);
} else if (strncmp(line,"Bpp",3) == 0){
sscanf(line,"%*s%*[ \t]%d",&prec);
} else if (strncmp(line,"Color",5) == 0){
sscanf(line, "%*s %*s%*[ \t]%d",&color_space);
} else if (strncmp(line,"Dim",3) == 0){
sscanf(line, "%*s%*[ \t]%d%*[ \t]%d%*[ \t]%d",&w,&h,&l);
} else if (strncmp(line,"Res",3) == 0){
sscanf(line,"%*s%*[ \t]%f%*[ \t]%f%*[ \t]%f",&dx,&dy,&dz);
}
}
#ifdef VERBOSE
fprintf(stdout, "[INFO] %s %d \t %d %d %d \t %f %f %f \t %d %d %d \n",filename,color_space,w,h,l,dx,dy,dz,max,min,prec);
#endif
fclose(fimg);
/* error control */
if ( !prec || !w || !h || !l ){
fprintf(stderr,"[ERROR] Unable to read IMG file correctly. Found some null values.");
return NULL;
}
/* initialize volume components */
memset(&cmptparm, 0, sizeof(opj_volume_cmptparm_t));
cmptparm.prec = prec;
cmptparm.bpp = prec;
cmptparm.sgnd = 0;
cmptparm.bigendian = bigendian;
cmptparm.dcoffset = parameters->dcoffset;
cmptparm.dx = subsampling_dx;
cmptparm.dy = subsampling_dy;
cmptparm.dz = subsampling_dz;
cmptparm.w = w;
cmptparm.h = h;
cmptparm.l = l;
/* create the volume */
volume = opj_volume_create(numcomps, &cmptparm, color_space);
if(!volume) {
fprintf(stdout,"[ERROR] Unable to create volume");
return NULL;
}
/* set volume offset and reference grid */
volume->x0 = parameters->volume_offset_x0;
volume->y0 = parameters->volume_offset_y0;
volume->z0 = parameters->volume_offset_z0;
volume->x1 = parameters->volume_offset_x0 + (w - 1) * subsampling_dx + 1;
volume->y1 = parameters->volume_offset_y0 + (h - 1) * subsampling_dy + 1;
volume->z1 = parameters->volume_offset_z0 + (l - 1) * subsampling_dz + 1;
max = 0;
/* set volume data */
f = fopen(filename, "rb");
if (!f) {
fprintf(stderr, "[ERROR] Failed to open %s for reading !!\n", filename);
fclose(f);
return 0;
}
/* BINARY */
for (compno = 0; compno < volume->numcomps; compno++) {
int whl = w * h * l;
/* set volume data */
comp = &volume->comps[compno];
/*if (comp->prec <= 8) {
if (!comp->sgnd) {
unsigned char *data = (unsigned char *) malloc(whl * sizeof(unsigned char));
fread(data, 1, whl, f);
for (i = 0; i < whl; i++) {
comp->data[i] = data[i];
if (comp->data[i] > max)
max = comp->data[i];
}
free(data);
} else {
char *data = (char *) malloc(whl);
fread(data, 1, whl, f);
for (i = 0; i < whl; i++) {
comp->data[i] = data[i];
if (comp->data[i] > max)
max = comp->data[i];
}
free(data);
}
} else if (comp->prec <= 16) {
if (!comp->sgnd) {
unsigned short *data = (unsigned short *) malloc(whl * sizeof(unsigned short));
int leido = fread(data, 2, whl, f);
if (!leido) {
free(data); fclose(f);
return NULL;
}
for (i = 0; i < whl; i++) {
if (bigendian) //(c1 << 8) + c2;
comp->data[i] = data[i];
else{ //(c2 << 8) + c1;
comp->data[i] = ShortSwap(data[i]);
}
if (comp->data[i] > max)
max = comp->data[i];
}
free(data);
} else {
short *data = (short *) malloc(whl);
int leido = fread(data, 2, whl, f);
if (!leido) {
free(data); fclose(f);
return NULL;
}
for (i = 0; i < whl; i++) {
if (bigendian){ //(c1 << 8) + c2;
comp->data[i] = data[i];
}else{ //(c2 << 8) + c1;
comp->data[i] = (short) ShortSwap((unsigned short) data[i]);
}
if (comp->data[i] > max)
max = comp->data[i];
}
free(data);
}
} else {
if (!comp->sgnd) {
unsigned int *data = (unsigned int *) malloc(whl * sizeof(unsigned int));
int leido = fread(data, 4, whl, f);
if (!leido) {
free(data); fclose(f);
return NULL;
} for (i = 0; i < whl; i++) {
if (!bigendian)
comp->data[i] = LongSwap(data[i]);
else
comp->data[i] = data[i];
if (comp->data[i] > max)
max = comp->data[i];
}
free(data);
} else {
int leido = fread(comp->data, 4, whl, f);
if (!leido) {
fclose(f);
return NULL;
}
for (i = 0; i < whl; i++) {
if (!bigendian)
comp->data[i] = (int) LongSwap((unsigned int) comp->data[i]);
if (comp->data[i] > max)
max = comp->data[i];
}
}
}*/
for (i = 0; i < whl; i++) {
int v;
if (comp->prec <= 8) {
if (!comp->sgnd) {
v = readuchar(f);
} else {
v = (char) readuchar(f);
}
} else if (comp->prec <= 16) {
if (!comp->sgnd) {
v = readushort(f, bigendian);
} else {
v = (short) readushort(f, bigendian);
}
} else {
if (!comp->sgnd) {
v = readuint(f, bigendian);
} else {
v = (int) readuint(f, bigendian);
}
}
if (v > max)
max = v;
comp->data[i] = v;
}
comp->bpp = int_floorlog2(max) + 1;
}
fclose(f);
return volume;
}