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|
/*
* Argyll Color Correction System
* Colorimeter Correction Matrix
*/
/*
* Author: Graeme W. Gill
* Date: 9/8/2010
*
* Copyright 2010 Graeme W. Gill
* All rights reserved.
*
* This material is licenced under the GNU GENERAL PUBLIC LICENSE Version 2 or later :-
* see the License2.txt file for licencing details.
*/
/*
* TTBD:
*/
#undef DEBUG
#define verbo stdout
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <sys/types.h>
#include <time.h>
#ifndef SALONEINSTLIB
#include "numlib.h"
#include "icc.h"
#else
#include "numsup.h"
#include "sa_conv.h"
#endif
#include "cgats.h"
#include "xspect.h"
#include "disptechs.h"
#include "ccss.h"
#ifdef NT /* You'd think there might be some standards.... */
# ifndef __BORLANDC__
# define stricmp _stricmp
# endif
#else
# define stricmp strcasecmp
#endif
/* Forward declarations */
static void free_ccss(ccss *p);
/* Utilities */
/* Method implimentations */
/* Write out the ccss to a CGATS format object */
/* Return nz on error */
static int create_ccss_cgats(
ccss *p, /* This */
cgats **pocg /* return CGATS structure */
) {
int i, j;
time_t clk = time(0);
struct tm *tsp = localtime(&clk);
char *atm = asctime(tsp); /* Ascii time */
cgats *ocg; /* CGATS structure */
int nsetel = 0;
cgats_set_elem *setel; /* Array of set value elements */
char buf[100];
atm[strlen(atm)-1] = '\000'; /* Remove \n from end */
/* Setup output cgats file */
ocg = new_cgats(); /* Create a CGATS structure */
ocg->add_other(ocg, "CCSS"); /* Type is Colorimeter Calibration Spectral Set */
ocg->add_table(ocg, tt_other, 0); /* Start the first table */
if (p->desc != NULL)
ocg->add_kword(ocg, 0, "DESCRIPTOR", p->desc,NULL);
if (p->orig != NULL)
ocg->add_kword(ocg, 0, "ORIGINATOR", p->orig, NULL);
else
ocg->add_kword(ocg, 0, "ORIGINATOR", "Argyll ccss", NULL);
if (p->crdate != NULL)
ocg->add_kword(ocg, 0, "CREATED",p->crdate, NULL);
else
ocg->add_kword(ocg, 0, "CREATED",atm, NULL);
if (p->disp)
ocg->add_kword(ocg, 0, "DISPLAY",p->disp, NULL);
ocg->add_kword(ocg, 0, "TECHNOLOGY", disptech_get_id(p->dtech)->strid,NULL);
if (p->disp == NULL && p->tech == NULL) {
sprintf(p->err, "write_ccss: ccss doesn't contain display or techology strings");
ocg->del(ocg);
return 1;
}
if (p->refrmode >= 0)
ocg->add_kword(ocg, 0, "DISPLAY_TYPE_REFRESH", p->refrmode ? "YES" : "NO", NULL);
if (p->sel != NULL)
ocg->add_kword(ocg, 0, "UI_SELECTORS", p->sel, NULL);
if (p->ref != NULL)
ocg->add_kword(ocg, 0, "REFERENCE",p->ref, NULL);
if (p->oem != 0)
ocg->add_kword(ocg, 0, "OEM","YES", NULL);
sprintf(buf,"%d", p->samples[0].spec_n);
ocg->add_kword(ocg, 0, "SPECTRAL_BANDS",buf, NULL);
sprintf(buf,"%f", p->samples[0].spec_wl_short);
ocg->add_kword(ocg, 0, "SPECTRAL_START_NM",buf, NULL);
sprintf(buf,"%f", p->samples[0].spec_wl_long);
ocg->add_kword(ocg, 0, "SPECTRAL_END_NM",buf, NULL);
sprintf(buf,"%f", p->samples[0].norm);
ocg->add_kword(ocg, 0, "SPECTRAL_NORM",buf, NULL);
/* Fields we want */
if (ocg->add_field(ocg, 0, "SAMPLE_ID", nqcs_t) < 0) {
sprintf(p->err, "cgats add_field SAMPLE_ID failed with '%s'!",ocg->err);
ocg->del(ocg); /* Clean up */
return 2;
}
nsetel += 1; /* For id */
/* Generate fields for spectral values */
for (i = 0; i < p->samples[0].spec_n; i++) {
int nm;
/* Compute nearest integer wavelength */
nm = (int)(p->samples[0].spec_wl_short + ((double)i/(p->samples[0].spec_n-1.0))
* (p->samples[0].spec_wl_long - p->samples[0].spec_wl_short) + 0.5);
sprintf(buf,"SPEC_%03d",nm);
if (ocg->add_field(ocg, 0, buf, r_t) < 0) {
sprintf(p->err, "cgats add_field %s failed with '%s'",buf,ocg->err);
ocg->del(ocg); /* Clean up */
return 2;
}
}
nsetel += p->samples[0].spec_n; /* Spectral values */
if ((setel = (cgats_set_elem *)malloc(sizeof(cgats_set_elem) * nsetel)) == NULL) {
strcpy(p->err, "Malloc failed!");
ocg->del(ocg); /* Clean up */
return 2;
}
/* Write out the patch info to the output CGATS file */
for (i = 0; i < p->no_samp; i++) {
int k = 0;
sprintf(buf,"%d",i+1);
setel[k++].c = buf;
for (j = 0; j < p->samples[i].spec_n; j++)
setel[k++].d = p->samples[i].spec[j];
ocg->add_setarr(ocg, 0, setel);
}
free(setel);
if (pocg != NULL)
*pocg = ocg;
return 0;
}
/* Write out the ccss to a CGATS format .ccss file */
/* Return nz on error */
static int write_ccss(
ccss *p, /* This */
char *outname /* Filename to write to */
) {
int rv;
cgats *ocg; /* CGATS structure */
if (p->no_samp < 3) {
strcpy(p->err, "Need at least three spectral samples");
return 1;
}
/* Create CGATS elements */
if ((rv = create_ccss_cgats(p, &ocg)) != 0) {
return rv;
}
/* Write it to file */
if (ocg->write_name(ocg, outname)) {
strcpy(p->err, ocg->err);
ocg->del(ocg); /* Clean up */
return 1;
}
ocg->del(ocg); /* Clean up */
return 0;
}
/* write to a CGATS .ccss file to a memory buffer. */
/* return nz on error, with message in err[] */
static int buf_write_ccss(
ccss *p,
unsigned char **buf, /* Return allocated buffer */
size_t *len /* Return length */
) {
int rv;
cgats *ocg; /* CGATS structure */
cgatsFile *fp;
if (p->no_samp < 3) {
strcpy(p->err, "Need at least three spectral samples");
return 1;
}
/* Create CGATS elements */
if ((rv = create_ccss_cgats(p, &ocg)) != 0) {
return rv;
}
if ((fp = new_cgatsFileMem(NULL, 0)) == NULL) {
strcpy(p->err, "new_cgatsFileMem failed");
return 2;
}
/* Write it to file */
if (ocg->write(ocg, fp)) {
strcpy(p->err, ocg->err);
ocg->del(ocg); /* Clean up */
fp->del(fp);
return 1;
}
/* Get the buffer the ccss has been written to */
if (fp->get_buf(fp, buf, len)) {
strcpy(p->err, "cgatsFileMem get_buf failed");
return 2;
}
ocg->del(ocg); /* Clean up */
fp->del(fp);
return 0;
}
/* Read in the ccss CGATS .ccss file from cgats */
/* Return nz on error */
static int read_ccss_cgats(
ccss *p, /* This */
cgats *icg /* input cgats structure */
) {
int i, j;
int ti, ii; /* Temporary CGATs index */
int spi[XSPECT_MAX_BANDS]; /* CGATS indexes for each wavelength */
xspect sp;
if (icg->ntables == 0 || icg->t[0].tt != tt_other || icg->t[0].oi != 0) {
sprintf(p->err, "read_ccss: Input file isn't a CCSS format file");
return 1;
}
if (icg->ntables != 1) {
sprintf(p->err, "Input file doesn't contain exactly one table");
return 1;
}
free_ccss(p);
if ((ti = icg->find_kword(icg, 0, "DESCRIPTOR")) >= 0) {
if ((p->desc = strdup(icg->t[0].kdata[ti])) == NULL) {
sprintf(p->err, "read_ccss: malloc failed");
return 2;
}
}
if ((ti = icg->find_kword(icg, 0, "ORIGINATOR")) >= 0) {
if ((p->orig = strdup(icg->t[0].kdata[ti])) == NULL) {
sprintf(p->err, "read_ccss: malloc failed");
return 2;
}
}
if ((ti = icg->find_kword(icg, 0, "CREATED")) >= 0) {
if ((p->crdate = strdup(icg->t[0].kdata[ti])) == NULL) {
sprintf(p->err, "read_ccss: malloc failed");
return 2;
}
}
if ((ti = icg->find_kword(icg, 0, "DISPLAY")) >= 0) {
if ((p->disp = strdup(icg->t[0].kdata[ti])) == NULL) {
sprintf(p->err, "read_ccss: malloc failed");
return 2;
}
}
if ((ti = icg->find_kword(icg, 0, "TECHNOLOGY")) >= 0) {
if ((p->tech = strdup(icg->t[0].kdata[ti])) == NULL) {
sprintf(p->err, "read_ccss: malloc failed");
return 2;
}
/* Get disptech enum from standard TECHNOLOGY string */
p->dtech = disptech_get_strid(p->tech)->dtech;
}
if (p->disp == NULL && p->tech == NULL) {
sprintf(p->err, "read_ccss: Input file doesn't contain keyword DISPLAY or TECHNOLOGY");
return 1;
}
if ((ti = icg->find_kword(icg, 0, "DISPLAY_TYPE_REFRESH")) >= 0) {
if (stricmp(icg->t[0].kdata[ti], "YES") == 0)
p->refrmode = 1;
else if (stricmp(icg->t[0].kdata[ti], "NO") == 0)
p->refrmode = 0;
}
if ((ti = icg->find_kword(icg, 0, "UI_SELECTORS")) >= 0) {
if ((p->sel = strdup(icg->t[0].kdata[ti])) == NULL) {
sprintf(p->err, "read_ccss: malloc failed");
return 2;
}
}
if ((ti = icg->find_kword(icg, 0, "REFERENCE")) >= 0) {
if ((p->ref = strdup(icg->t[0].kdata[ti])) == NULL) {
sprintf(p->err, "read_ccss: malloc failed");
return 2;
}
}
if ((ti = icg->find_kword(icg, 0, "OEM")) >= 0) {
if (stricmp(icg->t[0].kdata[ti], "YES") == 0)
p->oem = 1;
else if (stricmp(icg->t[0].kdata[ti], "NO") == 0)
p->oem = 0;
} else {
p->oem = 0;
}
if ((ii = icg->find_kword(icg, 0, "SPECTRAL_BANDS")) < 0) {
sprintf(p->err,"Input file doesn't contain keyword SPECTRAL_BANDS");
return 1;
}
sp.spec_n = atoi(icg->t[0].kdata[ii]);
if ((ii = icg->find_kword(icg, 0, "SPECTRAL_START_NM")) < 0) {
sprintf(p->err,"Input file doesn't contain keyword SPECTRAL_START_NM");
return 1;
}
sp.spec_wl_short = atof(icg->t[0].kdata[ii]);
if ((ii = icg->find_kword(icg, 0, "SPECTRAL_END_NM")) < 0) {
sprintf(p->err,"Input file doesn't contain keyword SPECTRAL_END_NM");
return 1;
}
sp.spec_wl_long = atof(icg->t[0].kdata[ii]);
if ((ii = icg->find_kword(icg, 0, "SPECTRAL_NORM")) < 0) {
sp.norm = 1.0; /* Older versions don't have SPECTRAL_NORM */
} else {
sp.norm = atof(icg->t[0].kdata[ii]);
}
/* Find the fields for spectral values */
for (j = 0; j < sp.spec_n; j++) {
char buf[100];
int nm;
/* Compute nearest integer wavelength */
nm = (int)(sp.spec_wl_short + ((double)j/(sp.spec_n-1.0))
* (sp.spec_wl_long - sp.spec_wl_short) + 0.5);
sprintf(buf,"SPEC_%03d",nm);
if ((spi[j] = icg->find_field(icg, 0, buf)) < 0) {
sprintf(p->err,"Input file doesn't contain field %s",buf);
return 1;
}
}
if ((p->no_samp = icg->t[0].nsets) < 3) {
sprintf(p->err, "Input file doesn't contain at least three spectral samples");
p->no_samp = 0;
return 1;
}
/* Allocate spectral array */
if ((p->samples = (xspect *)malloc(sizeof(xspect) * p->no_samp)) == NULL) {
strcpy(p->err, "Malloc failed!");
p->no_samp = 0;
return 2;
}
/* Fill sample array with the data */
for (i = 0; i < p->no_samp; i++) {
XSPECT_COPY_INFO(&p->samples[i], &sp);
/* Read the spectral values for this patch */
for (j = 0; j < sp.spec_n; j++) {
p->samples[i].spec[j] = *((double *)icg->t[0].fdata[i][spi[j]]);
}
}
return 0;
}
/* Read in the ccss CGATS .ccss file */
/* Return nz on error */
static int read_ccss(
ccss *p, /* This */
char *inname /* Filename to read from */
) {
int rv;
cgats *icg; /* input cgats structure */
/* Open and look at the .ccss file */
if ((icg = new_cgats()) == NULL) { /* Create a CGATS structure */
sprintf(p->err, "read_ccss: new_cgats() failed");
return 2;
}
icg->add_other(icg, "CCSS"); /* our special type is Model Printer Profile */
if (icg->read_name(icg, inname)) {
strcpy(p->err, icg->err);
icg->del(icg);
return 1;
}
if ((rv = read_ccss_cgats(p, icg)) != 0) {
icg->del(icg); /* Clean up */
return rv;
}
icg->del(icg); /* Clean up */
return 0;
}
/* Read in the ccss CGATS .ccss file from a memory buffer */
/* Return nz on error */
static int buf_read_ccss(
ccss *p, /* This */
unsigned char *buf,
size_t len
) {
int rv;
cgatsFile *fp;
cgats *icg; /* input cgats structure */
if ((fp = new_cgatsFileMem(buf, len)) == NULL) {
strcpy(p->err, "new_cgatsFileMem failed");
return 2;
}
/* Open and look at the .ccss file */
if ((icg = new_cgats()) == NULL) { /* Create a CGATS structure */
sprintf(p->err, "read_ccss: new_cgats() failed");
fp->del(fp);
return 2;
}
icg->add_other(icg, "CCSS"); /* our special type is Model Printer Profile */
if (icg->read(icg, fp)) {
strcpy(p->err, icg->err);
icg->del(icg);
fp->del(fp);
return 1;
}
fp->del(fp);
if ((rv = read_ccss_cgats(p, icg)) != 0) {
icg->del(icg); /* Clean up */
return rv;
}
icg->del(icg); /* Clean up */
return 0;
}
/* Set the contents of the ccss. return nz on error. */
/* (Copy all the values) */
static int set_ccss(ccss *p,
char *orig, /* Originator (May be NULL) */
char *crdate, /* Creation date in ctime() format (May be NULL) */
char *desc, /* General description (optional) */
char *disp, /* Display make and model (optional) */
disptech dtech, /* Display technology enum */
int refrmode, /* Display refresh mode, -1 = unknown, 0 = n, 1 = yes */
char *sel, /* UI selector characters - NULL for none */
char *refd, /* Reference spectrometer description (optional) */
int oem, /* NZ if OEM source */
xspect *samples, /* Arry of spectral samples. All assumed to be same dim as first */
int no_samp /* Number of spectral samples */
) {
int i;
free_ccss(p);
if (orig != NULL) {
if ((p->orig = strdup(orig)) == NULL) {
sprintf(p->err, "set_ccss: malloc orig failed");
return 2;
}
}
if (desc != NULL) {
if ((p->desc = strdup(desc)) == NULL) {
sprintf(p->err, "set_ccss: malloc desc failed");
return 2;
}
}
if (crdate != NULL) {
if ((p->crdate = strdup(crdate)) == NULL) {
sprintf(p->err, "set_ccss: malloc crdate failed");
return 2;
}
}
if (disp != NULL) {
if ((p->disp = strdup(disp)) == NULL) {
sprintf(p->err, "set_ccss: malloc disp failed");
return 2;
}
}
p->dtech = dtech;
p->refrmode = refrmode;
if (sel != NULL) {
if ((p->sel = strdup(sel)) == NULL) {
sprintf(p->err, "set_ccss: malloc sel failed");
return 2;
}
}
if (refd != NULL) {
if ((p->ref = strdup(refd)) == NULL) {
sprintf(p->err, "set_ccss: malloc ref failed");
return 2;
}
}
p->oem = oem;
if (p->samples != NULL) {
free(p->samples);
p->samples = NULL;
}
if ((p->no_samp = no_samp) < 3) {
strcpy(p->err, "Must be at least three spectral samples");
p->no_samp = 0;
return 1;
}
/* Allocate spectral array */
if ((p->samples = (xspect *)malloc(sizeof(xspect) * p->no_samp)) == NULL) {
strcpy(p->err, "Malloc failed!");
p->no_samp = 0;
return 2;
}
/* And copy all the values */
for (i = 0; i < p->no_samp; i++) {
p->samples[i] = samples[i];
}
return 0;
}
/* Free the contents */
static void free_ccss(ccss *p) {
if (p != NULL) {
if (p->desc != NULL)
free(p->desc);
p->desc = NULL;
if (p->orig != NULL)
free(p->orig);
p->orig = NULL;
if (p->crdate != NULL)
free(p->crdate);
p->crdate = NULL;
if (p->disp != NULL)
free(p->disp);
p->disp = NULL;
if (p->tech != NULL)
free(p->tech);
p->tech = NULL;
if (p->sel != NULL)
free(p->sel);
p->sel = NULL;
if (p->ref != NULL)
free(p->ref);
p->ref = NULL;
if (p->samples != NULL)
free(p->samples);
p->samples = NULL;
p->no_samp = 0;
}
}
/* Delete it */
static void del_ccss(ccss *p) {
if (p != NULL) {
free_ccss(p);
free(p);
}
}
/* Allocate a new, uninitialised ccss */
/* Note thate black and white points aren't allocated */
ccss *new_ccss(void) {
ccss *p;
if ((p = (ccss *)calloc(1, sizeof(ccss))) == NULL)
return NULL;
/* Init method pointers */
p->del = del_ccss;
p->set_ccss = set_ccss;
p->write_ccss = write_ccss;
p->buf_write_ccss = buf_write_ccss;
p->read_ccss = read_ccss;
p->buf_read_ccss = buf_read_ccss;
return p;
}
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