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Diffstat (limited to 'openjpeg3d/codec/convert.c')
| -rwxr-xr-x | openjpeg3d/codec/convert.c | 997 |
1 files changed, 997 insertions, 0 deletions
diff --git a/openjpeg3d/codec/convert.c b/openjpeg3d/codec/convert.c new file mode 100755 index 00000000..ff4dec3b --- /dev/null +++ b/openjpeg3d/codec/convert.c @@ -0,0 +1,997 @@ +/* + * Copyright (c) 2001-2003, David Janssens + * Copyright (c) 2002-2003, Yannick Verschueren + * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe + * Copyright (c) 2005, Herve Drolon, FreeImage Team + * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium + * Copyright (c) 2006, Mónica Díez García, 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 "openjpeg3d.h" +#ifdef _WIN32 +#include "windirent.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)); + + /* Separación del caso de un único 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; +} + |