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/*
* Very simple, dumb plot of .ti3 data.
*
* Author: Graeme W. Gill
* Date: 2005/10/12
* Version: 1.0
*
* Copyright 2000 - 2005 Graeme W. Gill
* Please refer to License.txt file for details.
*/
/* TTBD:
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <fcntl.h>
#include <string.h>
#include <math.h>
#include "numlib.h"
#include "icc.h"
#include "cgats.h"
#include "xcolorants.h"
#include "sort.h"
#include "plot.h"
#include "ui.h"
void usage(void) {
fprintf(stderr,"Simple 2D plot of CGATS .ti3 data\n");
fprintf(stderr,"Author: Graeme W. Gill\n");
fprintf(stderr,"usage: cgatssplot [-v] infile\n");
fprintf(stderr," -v verbose\n");
fprintf(stderr," -0 .. -9 Choose channel to plot against\n");
exit(1);
}
/* Patch value type */
typedef struct {
double d[ICX_MXINKS]; /* Device values */
double v[3]; /* CIE value */
} pval;
int
main(
int argc,
char *argv[]
) {
int fa,nfa; /* argument we're looking at */
int verb = 0;
int chan = 0; /* Chosen channel to plot against */
char in_name[100];
char *buf, *outc;
int ti;
cgats *cgf = NULL; /* cgats file data */
int isLab = 0; /* cgats output is Lab, else XYZ */
char *xyzfname[3] = { "XYZ_X", "XYZ_Y", "XYZ_Z" };
char *labfname[3] = { "LAB_L", "LAB_A", "LAB_B" };
int npat; /* Number of patches */
inkmask nmask; /* Device inkmask */
int nchan; /* Number of input chanels */
char *bident; /* Base ident */
int chix[ICX_MXINKS]; /* Device chanel indexes */
int pcsix[3]; /* Device chanel indexes */
pval *pat; /* patch values */
int i, j;
error_program = argv[0];
if (argc < 2)
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 */
}
}
}
/* Verbosity */
if (argv[fa][1] == 'v' || argv[fa][1] == 'V') {
verb = 1;
}
else if (argv[fa][1] >= '0' && argv[fa][1] <= '9') {
chan = argv[fa][1] - '0';
}
else if (argv[fa][1] == '?')
usage();
else
usage();
}
else
break;
}
if (fa >= argc || argv[fa][0] == '-') usage();
strcpy(in_name,argv[fa]);
/* Open CIE target values */
cgf = new_cgats(); /* Create a CGATS structure */
cgf->add_other(cgf, "CTI3");/* our special input type is Calibration Target Information 3 */
if (cgf->read_name(cgf, in_name))
error("CGATS file read error %s on file '%s'",cgf->err, in_name);
if (cgf->ntables == 0 || cgf->t[0].tt != tt_other || cgf->t[0].oi != 0)
error ("Profile file '%s' isn't a CTI3 format file",in_name);
if (cgf->ntables < 1)
error ("Input file '%s' doesn't contain at least one table",in_name);
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);
}
free(buf);
nchan = icx_noofinks(nmask);
bident = icx_inkmask2char(nmask, 0); /* Base ident (No possible 'i') */
/* 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;
}
npat = cgf->t[0].nsets; /* Number of patches */
if (npat <= 0)
error("No sets of data in file '%s'",in_name);
/* Allocate arrays to hold test patch input and output values */
if ((pat = (pval *)malloc(sizeof(pval) * npat)) == NULL)
error("Malloc failed - pat[]");
/* Grab all the values */
for (i = 0; i < npat; i++) {
pat[i].v[0] = *((double *)cgf->t[0].fdata[i][pcsix[0]]);
pat[i].v[1] = *((double *)cgf->t[0].fdata[i][pcsix[1]]);
pat[i].v[2] = *((double *)cgf->t[0].fdata[i][pcsix[2]]);
if (!isLab) {
pat[i].v[0] /= 100.0; /* Normalise XYZ to range 0.0 - 1.0 */
pat[i].v[1] /= 100.0;
pat[i].v[2] /= 100.0;
}
if (!isLab) { /* Convert test patch result XYZ to PCS (D50 Lab) */
icmXYZ2Lab(&icmD50, pat[i].v, pat[i].v);
}
for (j = 0; j < nchan; j++) {
pat[i].d[j] = *((double *)cgf->t[0].fdata[i][chix[j]]);
}
}
/* Sort by the selected channel */
#define HEAP_COMPARE(A,B) (A.d[chan] < B.d[chan])
HEAPSORT(pval, pat, npat);
#undef HEAP_COMPARE
/* Create the plot */
{
int i;
double *xx;
double *y0;
double *y1;
double *y2;
if ((xx = (double *)malloc(sizeof(double) * npat)) == NULL)
error("Malloc failed - xx[]");
if ((y0 = (double *)malloc(sizeof(double) * npat)) == NULL)
error("Malloc failed - y0[]");
if ((y1 = (double *)malloc(sizeof(double) * npat)) == NULL)
error("Malloc failed - y1[]");
if ((y2 = (double *)malloc(sizeof(double) * npat)) == NULL)
error("Malloc failed - y2[]");
for (i = 0; i < npat; i++) {
xx[i] = pat[i].d[chan];
y0[i] = pat[i].v[0];
y1[i] = 50 + pat[i].v[1]/2.0;
y2[i] = 50 + pat[i].v[2]/2.0;
// printf("~1 %d: xx = %f, y = %f %f %f\n",i,xx[i],y0[i],y1[i],y2[i]);
}
do_plot6(xx,y0,y1,NULL,NULL,y2,NULL,npat);
free(y2);
free(y1);
free(y0);
free(xx);
}
free(pat);
cgf->del(cgf);
return 0;
}
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