1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380
|
/*
* Argyll Color Correction System
*
* Read in the RGB & CIE data from a LightSpace format .bcs XML file
* and convert it into a .ti3 CGATs format suitable for the Argyll CMS.
*
* Derived from txt2cgats.c
* Author: Graeme W. Gill
* Date: 16/11/00
*
* Copyright 2000 - 2014, 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.
*/
/* TTBD
*/
#define DEBUG
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <sys/types.h>
#include <time.h>
#include <string.h>
#include <stdarg.h>
#include "copyright.h"
#include "aconfig.h"
#include "cgats.h"
#include "xspect.h"
#include "insttypes.h"
#include "mxml.h"
#include "numlib.h"
#include "ui.h"
#define DEB 6
void
usage(char *mes) {
fprintf(stderr,"Convert LightSpace raw RGB device profile data to Argyll CGATS data, Version %s\n",ARGYLL_VERSION_STR);
fprintf(stderr,"Author: Graeme W. Gill, licensed under the AGPL Version 3\n");
if (mes != NULL)
fprintf(stderr,"error: %s\n",mes);
fprintf(stderr,"usage: ls2ti3 [-v] infile outbase\n");
/* fprintf(stderr," -v Verbose mode\n"); */
fprintf(stderr," infile Input LightSpace .bcs file\n");
fprintf(stderr," outbasename Output file basename for .ti3\n");
exit(1);
}
/* XML data type callback for mxmlLoadFile() */
mxml_type_t
type_cb(mxml_node_t *node) {
mxml_node_t *parent = mxmlGetParent(node);
const char *pname;
const char *name = node->value.element.name;
if (parent == NULL)
return MXML_TEXT;
pname = parent->value.element.name;
// printf("~1 type_cb got pnode '%s' node '%s'\n",pname, name);
if (strcmp(pname, "stimuli") == 0
&& (strcmp(name, "red") == 0
|| strcmp(name, "green") == 0
|| strcmp(name, "blue") == 0))
return MXML_REAL;
if (strcmp(pname, "XYZ") == 0
&& (strcmp(name, "X") == 0
|| strcmp(name, "Y") == 0
|| strcmp(name, "Z") == 0))
return MXML_REAL;
#ifdef NEVER
if (strcmp(pname, "FileInformation") == 0
&& (strcmp(name, "Creator") == 0
|| strcmp(name, "CreationDate") == 0
|| strcmp(name, "Description") == 0))
return MXML_OPAQUE; /* Don't split strings up */
#endif
return MXML_TEXT;
}
struct _patch {
int pno; /* Patch number */
double dev[MAX_CHAN]; /* Device value */
double XYZ[3]; /* XYZ value */
}; typedef struct _patch patch;
int main(int argc, char *argv[]) {
int i, j;
int fa,nfa; /* current argument we're looking at */
int verb = 0;
static char inname[MAXNAMEL+1] = { 0 }; /* Input LightSpace .xml file */
static char outname[MAXNAMEL+1] = { 0 }; /* Output cgats .ti3 file base name */
double dev_scale = 1.0; /* Device value scaling */
FILE *ifp;
mxml_node_t *tree, *pnode, *node;
mxml_node_t *top, *data;
const char *attr, *name;
patch *patches;
cgats *ocg; /* output cgats structure for .ti3 */
time_t clk = time(0);
struct tm *tsp = localtime(&clk);
char *atm = asctime(tsp); /* Ascii time */
int islab = 0; /* CIE is Lab rather than XYZ */
int npat = 0; /* Number of patches */
int ndchan = 3; /* Number of device channels, 0 = no device, RGB = 3, CMYK = 4 */
cgats_set_elem *setel; /* Array of set value elements */
error_program = "ls2ti3";
if (argc < 3)
usage("Too few arguments");
/* 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(NULL);
else if (argv[fa][1] == 'v' || argv[fa][1] == 'V')
verb = 1;
else
usage("Unknown flag");
} else
break;
}
/* Get the file name argument */
if (fa >= argc || argv[fa][0] == '-') usage("input filename not found");
strncpy(inname,argv[fa++],MAXNAMEL); inname[MAXNAMEL] = '\000';
if (fa >= argc || argv[fa][0] == '-') usage("output basename not found");
strncpy(outname,argv[fa++],MAXNAMEL-4); outname[MAXNAMEL-4] = '\000';
strcat(outname,".ti3");
if ((ifp = fopen(inname, "r")) == NULL)
error("Unable to read '%s'",inname);
#ifndef NEVER
tree = mxmlLoadFile(NULL, ifp, type_cb);
#else
tree = mxmlSAXLoadFd(NULL, fileno(ifp), type_cb, sax_cb, (void *)p);
#endif
fclose(ifp);
if (tree == NULL)
error("Parsing '%s' failed",inname);
if ((top = mxmlFindElement(tree, tree, NULL, NULL, NULL, MXML_DESCEND_FIRST)) == NULL
|| mxmlGetType(top) != MXML_ELEMENT)
error("Failed to find top element in '%s'",inname);
if (strcmp(top->value.element.name, "builder_color_space") != 0)
error("'%s' doesn't seem to be a LightSpace .bcs file ?",inname);
#ifdef NEVER
/* Check that its CxF3 */
if ((attr = mxmlElementGetAttr(top, "xmlns")) == NULL)
error("Failed to find CxF attribute %s in '%s'","xmlns", inname);
if (strcmp(attr, "http://colorexchangeformat.com/CxF3-core") != 0)
error("File '%s' is not CxF format",inname);
/* Look for header information */
if ((pnode = mxmlFindElement(top, top, "head", NULL, NULL, MXML_DESCEND_FIRST)) == NULL)
error("Failed to find head in '%s'",inname);
/* Grab the creation date */
if ((node = mxmlFindElement(pnode, pnode, "created", NULL, NULL, MXML_DESCEND_FIRST)) == NULL)
error();
name = mxmlGetOpaque(node);
#endif
/* Locate the data node */
if ((data = mxmlFindElement(top, top, "data", NULL, NULL, MXML_DESCEND_FIRST)) == NULL)
error("Failed to find data in '%s'",inname);
/* Get the number of patches */
if ((attr = mxmlElementGetAttr(data, "frames")) == NULL)
error("Failed to find data attribute 'frames' in '%s'", inname);
npat = atoi(attr);
if (npat <= 0)
error("Illegal number of patches %d in '%s",inname);
a1logd(g_log, DEB, "npat = %d\n",npat);
if ((patches = calloc(npat, sizeof(patch))) == NULL)
error("malloc failed");
/* Read all the patches */
node = mxmlFindElement(data, data, "patch", NULL, NULL, MXML_DESCEND_FIRST);
for (i = 0; node != NULL && i < npat;) {
int j;
mxml_node_t *stim, *res, *xyz, *val;
char *rgb_key[3] = { "red", "green", "blue" };
char *xyz_key[3] = { "X", "Y", "Z" };
if (mxmlGetType(node) != MXML_ELEMENT) {
a1logd(g_log, DEB, "skipping non element node type %d\n",mxmlGetType(node));
goto next;
}
a1logd(g_log, DEB, "read node '%s'\n",node->value.element.name);
if ((attr = mxmlElementGetAttr(node, "frame")) == NULL) {
a1logd(g_log, DEB, "read_cxf: skipping node without frame\n");
goto next; /* Skip this one */
}
patches[i].pno = atoi(attr);
a1logd(g_log, DEB, "got patch %d no %d\n",i,patches[i].pno);
/* Read the RGB stimulus */
if ((stim = mxmlFindElement(node, node, "stimuli", NULL, NULL, MXML_DESCEND_FIRST))
== NULL) {
a1logd(g_log, DEB, "Can't find 'stimuli' in patch %d - skipping\n",patches[i].pno);
goto next;
}
for (j = 0; j < 3; j++) {
if ((val = mxmlFindElement(stim, stim, rgb_key[j], NULL, NULL, MXML_DESCEND_FIRST))
== NULL) {
a1logd(g_log, DEB, "failed to find RGB component %s\n",rgb_key[j]);
goto next;
}
patches[i].dev[j] = mxmlGetReal(val);
a1logd(g_log, DEB, "got RGB component %s value %f\n",rgb_key[j],patches[i].dev[j]);
}
/* Read the XYZ results */
if ((res = mxmlFindElement(node, node, "results", NULL, NULL, MXML_DESCEND_FIRST))
== NULL) {
a1logd(g_log, DEB, "Can't find 'results' in patch %d - skipping\n",patches[i].pno);
goto next;
}
if ((xyz = mxmlFindElement(res, res, "XYZ", NULL, NULL, MXML_DESCEND_FIRST))
== NULL) {
a1logd(g_log, DEB, "Can't find 'XYZ' in patch %d - skipping\n",patches[i].pno);
goto next;
}
for (j = 0; j < 3; j++) {
if ((val = mxmlFindElement(xyz, xyz, xyz_key[j], NULL, NULL, MXML_DESCEND_FIRST))
== NULL) {
a1logd(g_log, DEB, "failed to find XYZ component %s\n",xyz_key[j]);
goto next;
}
patches[i].XYZ[j] = mxmlGetReal(val);
a1logd(g_log, DEB, "got XYZ component %s value %f\n",xyz_key[j],patches[i].XYZ[j]);
}
i++;
/* Add patch to output CGATS */
next:; /* Next color */
node = mxmlGetNextSibling(node);
}
mxmlDelete(tree);
/* Setup output cgats file */
ocg = new_cgats(); /* Create a CGATS structure */
ocg->add_other(ocg, "CTI3"); /* our special type is Calibration Target Information 3 */
ocg->add_table(ocg, tt_other, 0); /* Start the first table */
ocg->add_kword(ocg, 0, "DESCRIPTOR", "Argyll Calibration Target chart information 3",NULL);
ocg->add_kword(ocg, 0, "ORIGINATOR", "Argyll target", NULL);
atm[strlen(atm)-1] = '\000'; /* Remove \n from end */
ocg->add_kword(ocg, 0, "CREATED",atm, NULL);
ocg->add_kword(ocg, 0, "DEVICE_CLASS","DISPLAY", NULL); /* What sort of device this is */
/* Note what instrument the chart was read with */
/* Assume this - could try reading from file INSTRUMENTATION "SpectroScan" ?? */
ocg->add_kword(ocg, 0, "TARGET_INSTRUMENT", inst_name(instSpectrolino) , NULL);
/* Don't make any assumptions about normalisation (this is default anyway) */
ocg->add_kword(ocg, 0, "NORMALIZED_TO_Y_100","NO", NULL);
/* Fields we want */
ocg->add_field(ocg, 0, "SAMPLE_ID", nqcs_t);
if (ndchan == 3) {
ocg->add_field(ocg, 0, "RGB_R", r_t);
ocg->add_field(ocg, 0, "RGB_G", r_t);
ocg->add_field(ocg, 0, "RGB_B", r_t);
if (islab)
ocg->add_kword(ocg, 0, "COLOR_REP","RGB_LAB", NULL);
else
ocg->add_kword(ocg, 0, "COLOR_REP","RGB_XYZ", NULL);
}
if (islab) {
ocg->add_field(ocg, 0, "LAB_L", r_t);
ocg->add_field(ocg, 0, "LAB_A", r_t);
ocg->add_field(ocg, 0, "LAB_B", r_t);
} else {
ocg->add_field(ocg, 0, "XYZ_X", r_t);
ocg->add_field(ocg, 0, "XYZ_Y", r_t);
ocg->add_field(ocg, 0, "XYZ_Z", r_t);
}
/* LS uses 0.0 .. 1.0 */
dev_scale = 100.0/1.0;
/* Write out the patch info to the output CGATS file */
if ((setel = (cgats_set_elem *)malloc(
sizeof(cgats_set_elem) * ocg->t[0].nfields)) == NULL)
error("Malloc failed!");
/* Write out the patch info to the output CGATS file */
for (i = 0; i < npat; i++) {
char id[100];
int k = 0;
/* SAMPLE ID */
sprintf(id, "%d", patches[i].pno);
setel[k++].c = id;
if (ndchan == 3) {
setel[k++].d = dev_scale * patches[i].dev[0];
setel[k++].d = dev_scale * patches[i].dev[1];
setel[k++].d = dev_scale * patches[i].dev[2];
}
setel[k++].d = patches[i].XYZ[0];
setel[k++].d = patches[i].XYZ[1];
setel[k++].d = patches[i].XYZ[2];
ocg->add_setarr(ocg, 0, setel);
}
free(setel);
if (ocg->write_name(ocg, outname))
error("Write error : %s",ocg->err);
/* Clean up */
ocg->del(ocg);
return 0;
}
|