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+/*
+ * Argyll Color Correction System
+ * Split a .ti3 (or other CGATS like) file into two parts.
+ *
+ * Author: Graeme W. Gill
+ * Date: 14/12/2005
+ *
+ * Copyright 2005, 2010 Graeme W. Gill
+ * All rights reserved.
+ *
+ * This material is licenced under the GNU AFFERO GENERAL PUBLIC LICENSE Version 3 :-
+ * see the License.txt file for licencing details.
+ */
+
+/*
+ * This program takes in a CGATS .ti3 file, and splits it into
+ * two .ti3 files, spreading the readings between them.
+ * This is intended for use in verifying the profiler.
+ */
+
+/*
+ * TTBD:
+
+ This doesn't pass calibration table information through.
+ (ie. should copy all tables after the first.)
+
+ Write a companion "combineti3" to merge .ti3's together.
+ */
+
+#undef DEBUG
+
+#define verbo stdout
+
+#include <stdio.h>
+#include <string.h>
+#if defined(__IBMC__)
+#include <float.h>
+#endif
+#include <sys/types.h>
+#include <time.h>
+#include "copyright.h"
+#include "aconfig.h"
+#include "numlib.h"
+#include "cgats.h"
+#include "xicc.h"
+#include "insttypes.h"
+#include "sort.h"
+
+void
+usage(void) {
+ fprintf(stderr,"Split a .ti3 into two, Version %s\n",ARGYLL_VERSION_STR);
+ fprintf(stderr,"Author: Graeme W. Gill, licensed under the AGPL Version 3\n");
+ fprintf(stderr,"usage: splitcgats [-options] input.ti3 output1.ti3 output2.ti3\n");
+ fprintf(stderr," -v Verbose - print each patch value\n");
+ fprintf(stderr," -n no Put no sets in first file, and balance in second file.\n");
+ fprintf(stderr," -p percent Put percent%% sets in first file, and balance in second file. (def. 50%%)\n");
+ fprintf(stderr," -w Put white patches in both files.\n");
+ fprintf(stderr," -r seed Use given random seed.\n");
+ fprintf(stderr," input.ti3 File to be split up.\n");
+ fprintf(stderr," output1.ti3 First output file\n");
+ fprintf(stderr," output2.ti3 Second output file\n");
+ exit(1);
+}
+
+int main(int argc, char *argv[]) {
+ int fa,nfa; /* current argument we're looking at */
+ int verb = 0;
+ int numb = -1; /* Number to put in first */
+ double prop = 0.5; /* Proportion to put in first */
+ int dow = 0; /* Put white patches in both files */
+ int seed = 0x12345678;
+ int doseed = 0;
+
+ cgats *cgf = NULL; /* cgats file data */
+ char in_name[MAXNAMEL+1]; /* Patch filename */
+
+ cgats *cg1 = NULL; /* cgats file data */
+ char out_name1[MAXNAMEL+4+1]; /* VRML name */
+ cgats *cg2 = NULL; /* cgats file data */
+ char out_name2[MAXNAMEL+4+1]; /* VRML name */
+
+ cgats_set_elem *setel; /* Array of set value elements */
+ int *flags; /* Point to destination of set */
+
+ int i, j, n;
+
+ error_program = "splitti3";
+
+ if (argc <= 1)
+ usage();
+
+ /* Process the arguments */
+ for(fa = 1;fa < argc;fa++) {
+
+ nfa = fa; /* skip to nfa if next argument is used */
+ if (argv[fa][0] == '-') { /* Look for any flags */
+ char *na = NULL; /* next argument after flag, null if none */
+
+ if (argv[fa][2] != '\000')
+ na = &argv[fa][2]; /* next is directly after flag */
+ else {
+ if ((fa+1) < argc) {
+ if (argv[fa+1][0] != '-') {
+ nfa = fa + 1;
+ na = argv[nfa]; /* next is seperate non-flag argument */
+ }
+ }
+ }
+
+ if (argv[fa][1] == '?') {
+ usage();
+
+ } else if (argv[fa][1] == 'v' || argv[fa][1] == 'V') {
+ verb = 1;
+
+ } else if (argv[fa][1] == 'n' || argv[fa][1] == 'N') {
+ fa = nfa;
+ if (na == NULL) usage();
+ numb = atoi(na);
+ if (numb < 0) usage();
+
+ } else if (argv[fa][1] == 'p' || argv[fa][1] == 'P') {
+ fa = nfa;
+ if (na == NULL) usage();
+ prop = atoi(na);
+ if (prop < 0) usage();
+ prop = prop / 100.0;
+
+ } else if (argv[fa][1] == 'w' || argv[fa][1] == 'W') {
+ dow = 1;
+
+ } else if (argv[fa][1] == 'r' || argv[fa][1] == 'R') {
+ fa = nfa;
+ if (na == NULL) usage();
+ seed = atoi(na);
+ doseed = 1;
+ }
+
+ else
+ usage();
+ } else
+ break;
+ }
+
+ if (doseed)
+ rand32(seed); /* Init seed deterministicaly */
+ else
+ rand32(time(NULL)); /* Init seed randomly */
+
+ /* Get the file name arguments */
+ if (fa >= argc || argv[fa][0] == '-') usage();
+ strncpy(in_name,argv[fa++],MAXNAMEL); in_name[MAXNAMEL] = '\000';
+
+ if (fa >= argc || argv[fa][0] == '-') usage();
+ strncpy(out_name1,argv[fa++],MAXNAMEL); out_name1[MAXNAMEL] = '\000';
+
+ if (fa >= argc || argv[fa][0] == '-') usage();
+ strncpy(out_name2,argv[fa++],MAXNAMEL); out_name2[MAXNAMEL] = '\000';
+
+ if ((cgf = new_cgats()) == NULL)
+ error("Failed to create cgats object");
+ cgf->add_other(cgf, ""); /* Allow any signature file */
+
+ if (cgf->read_name(cgf, in_name))
+ error("CGATS file '%s' read error : %s",in_name,cgf->err);
+
+ if (cgf->ntables < 1)
+ error ("Input file '%s' doesn't contain at least one table",in_name);
+
+ /* Create the two output files */
+ if ((cg1 = new_cgats()) == NULL)
+ error("Failed to create cgats object");
+ if ((cg2 = new_cgats()) == NULL)
+ error("Failed to create cgats object");
+
+ /* Duplicate the type of the file */
+ if (cgf->t[0].tt == cgats_X) {
+ cg1->add_other(cg1, cgf->cgats_type);
+ cg1->add_table(cg1, tt_other, 0);
+ cg2->add_other(cg2, cgf->cgats_type);
+ cg2->add_table(cg2, tt_other, 0);
+ } else if (cgf->t[0].tt == tt_other) {
+ cg1->add_other(cg1, cgf->others[cgf->t[0].oi]);
+ cg1->add_table(cg1, tt_other, 0);
+ cg2->add_other(cg2, cgf->others[cgf->t[0].oi]);
+ cg2->add_table(cg2, tt_other, 0);
+ } else {
+ cg1->add_table(cg1, cgf->t[0].tt, 0);
+ cg2->add_table(cg1, cgf->t[0].tt, 0);
+ }
+
+ /* Duplicate all the keywords */
+ for (i = 0; i < cgf->t[0].nkwords; i++) {
+ cg1->add_kword(cg1, 0, cgf->t[0].ksym[i], cgf->t[0].kdata[i], NULL);
+ cg2->add_kword(cg2, 0, cgf->t[0].ksym[i], cgf->t[0].kdata[i], NULL);
+ }
+
+ /* Duplicate all of the fields */
+ for (i = 0; i < cgf->t[0].nfields; i++) {
+ cg1->add_field(cg1, 0, cgf->t[0].fsym[i], cgf->t[0].ftype[i]);
+ cg2->add_field(cg2, 0, cgf->t[0].fsym[i], cgf->t[0].ftype[i]);
+ }
+
+ if ((setel = (cgats_set_elem *)malloc(
+ sizeof(cgats_set_elem) * cgf->t[0].nfields)) == NULL)
+ error("Malloc failed!");
+
+ if ((flags = (int *)calloc(cgf->t[0].nsets, sizeof(int))) == NULL)
+ error("Malloc failed!");
+
+ if (numb < 0) { /* Use percentage */
+ numb = (int)(cgf->t[0].nsets * prop + 0.5);
+ }
+ if (numb > cgf->t[0].nsets)
+ numb = cgf->t[0].nsets;
+
+ if (verb)
+ printf("Putting %d sets in '%s' and %d in '%s'\n",numb,out_name1,cgf->t[0].nsets-numb,out_name2);
+
+ n = 0;
+
+ /* If dow, add white patches to both sets */
+ if (dow) {
+ int ti;
+ char *buf;
+ char *xyzfname[3] = { "XYZ_X", "XYZ_Y", "XYZ_Z" };
+ char *labfname[3] = { "LAB_L", "LAB_A", "LAB_B" };
+ char *outc;
+ int nmask;
+ int nchan;
+ char *bident;
+ int chix[ICX_MXINKS]; /* Device chanel indexes */
+ int pcsix[3]; /* PCS chanel indexes */
+ int isin = 0;
+ int isadd = 0;
+ int isLab = 0;
+
+ if ((ti = cgf->find_kword(cgf, 0, "DEVICE_CLASS")) < 0)
+ error ("Input file doesn't contain keyword DEVICE_CLASS");
+
+ if (strcmp(cgf->t[0].kdata[ti],"INPUT") == 0)
+ isin = 1;
+
+ if ((ti = cgf->find_kword(cgf, 0, "COLOR_REP")) < 0)
+ error("Input file doesn't contain keyword COLOR_REPS");
+
+ if ((buf = strdup(cgf->t[0].kdata[ti])) == NULL)
+ error("Malloc failed");
+
+ /* Split COLOR_REP into device and PCS space */
+ if ((outc = strchr(buf, '_')) == NULL)
+ error("COLOR_REP '%s' invalid", cgf->t[0].kdata[ti]);
+ *outc++ = '\000';
+
+ if (strcmp(outc, "XYZ") == 0) {
+ isLab = 0;
+ } else if (strcmp(outc, "LAB") == 0) {
+ isLab = 1;
+ } else
+ error("COLOR_REP '%s' invalid (Neither XYZ nor LAB)", cgf->t[0].kdata[ti]);
+
+ if ((nmask = icx_char2inkmask(buf)) == 0) {
+ error ("File '%s' keyword COLOR_REPS has unknown device value '%s'",in_name,buf);
+ }
+
+ if (nmask & ICX_ADDITIVE)
+ isadd = 1;
+
+ nchan = icx_noofinks(nmask);
+ bident = icx_inkmask2char(nmask, 0);
+
+ /* Find device fields */
+ for (j = 0; j < nchan; j++) {
+ int ii, imask;
+ char fname[100];
+
+ imask = icx_index2ink(nmask, j);
+ sprintf(fname,"%s_%s",nmask == ICX_W || nmask == ICX_K ? "GRAY" : bident,
+ icx_ink2char(imask));
+
+ if ((ii = cgf->find_field(cgf, 0, fname)) < 0)
+ error ("Input file doesn't contain field %s",fname);
+ if (cgf->t[0].ftype[ii] != r_t)
+ error ("Field %s is wrong type",fname);
+ chix[j] = ii;
+ }
+
+ /* Find PCS fields */
+ for (j = 0; j < 3; j++) {
+ int ii;
+
+ if ((ii = cgf->find_field(cgf, 0, isLab ? labfname[j] : xyzfname[j])) < 0)
+ error ("Input file doesn't contain field %s",isLab ? labfname[j] : xyzfname[j]);
+ if (cgf->t[0].ftype[ii] != r_t)
+ error ("Field %s is wrong type",isLab ? labfname[j] : xyzfname[j]);
+ pcsix[j] = ii;
+ }
+
+ if (isin) {
+ int wix = -1;
+ double wv = -1e60;
+ int pcsy = 1;
+
+ if (isLab)
+ pcsy = 0;
+
+ /* We assume that the white point is the patch with the */
+ /* highest L* or Y value. */
+ for (i = 0; i < cgf->t[0].nsets; i++) {
+ double val;
+
+ val = *((double *)cgf->t[0].fdata[i][pcsix[pcsy]]);
+ if (val > wv) {
+ wv = val;
+ wix = i;
+ }
+ }
+ if (wix > 0) {
+ n++;
+ flags[wix] = 3;
+ if (verb)
+ printf("Found input white patch index %d\n",wix);
+ }
+
+ } else {
+
+ if (isadd) {
+ for (i = 0; i < cgf->t[0].nsets; i++) {
+ for (j = 0; j < nchan; j++) {
+ if (*((double *)cgf->t[0].fdata[i][chix[j]]) < 99.99)
+ break;
+ }
+ if (j >= nchan) {
+ n++;
+ flags[i] = 3;
+ if (verb)
+ printf("Found additive white patch index %d\n",i);
+ }
+ }
+ } else {
+ for (i = 0; i < cgf->t[0].nsets; i++) {
+ for (j = 0; j < nchan; j++) {
+ if (*((double *)cgf->t[0].fdata[i][chix[j]]) > 0.01)
+ break;
+ }
+ if (j >= nchan) {
+ n++;
+ flags[i] = 3;
+ if (verb)
+ printf("Found subtractive white patch index %d\n",i);
+ }
+ }
+ }
+ }
+ free(bident);
+ }
+
+ /* Chose which of the sets go into file 1 and 2*/
+ for (;n < numb;) {
+ i = i_rand(0, cgf->t[0].nsets-1);
+ if (flags[i] == 0) {
+ flags[i] = 1;
+ n++;
+ }
+ }
+
+ /* Assume any patch not flagged goes to 2 */
+ for (i = 0; i < cgf->t[0].nsets; i++) {
+ if (flags[i] == 0)
+ flags[i] = 2;
+ }
+
+ /* Copy them approproately */
+ for (i = 0; i < cgf->t[0].nsets; i++) {
+ cgf->get_setarr(cgf, 0, i, setel);
+ if (flags[i] & 1) {
+ cg1->add_setarr(cg1, 0, setel);
+ }
+ if (flags[i] & 2) {
+ cg2->add_setarr(cg2, 0, setel);
+ }
+ }
+
+ /* Write out the files */
+ if (cg1->write_name(cg1, out_name1))
+ error("CGATS file '%s' write error : %s",out_name1,cg1->err);
+ if (cg2->write_name(cg2, out_name2))
+ error("CGATS file '%s' write error : %s",out_name2,cg2->err);
+
+
+ free(flags);
+ free(setel);
+
+ return 0;
+}
+
+
+
+
+
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