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/*
* Gamut mapping test code. Test the gamut mapping library.
*
* Author: Graeme W. Gill
* Date: 29/10/00
* Version: 1.00
*
* Copyright 2000, 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:
*
*/
#undef DEBUG /* test a single value out */
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <fcntl.h>
#include <string.h>
#include <math.h>
#include "copyright.h"
#include "aconfig.h"
#include "numlib.h"
#include "xicc.h"
#include "gamut.h"
#include "rspl.h"
#include "gammap.h"
#include "vrml.h"
#include "ui.h"
void usage(void) {
fprintf(stderr,"Map bteween two gamuts, Version %s\n",ARGYLL_VERSION_STR);
fprintf(stderr,"Author: Graeme W. Gill, licensed under the AGPL Version 3\n");
fprintf(stderr,"usage: maptest [options] ingamut outgamut diag_gamut\n");
fprintf(stderr," -v Verbose\n");
fprintf(stderr," -s Do saturation style expand/compress\n");
fprintf(stderr," -i imggamut.gam Use an image gamut\n");
exit(1);
}
int
main(int argc, char *argv[]) {
int fa, nfa, mfa;
char *xl;
char in_name[100];
char img_name[MAXNAMEL+1] = "";
char out_name[100];
char diag_name[100];
int sat = 0;
int verb = 0;
gammap *map; /* Regular split gamut mapping */
icxGMappingIntent gmi;
char gammapwrl[30] = "gammap"; /* Diagnostic file name */
gamut *gin, *gout; /* Input and Output gamuts */
gamut *gimg = NULL; /* Optional image gamut */
error_program = argv[0];
strcat(gammapwrl, vrml_ext());
if (argc < 3)
usage();
/* Process the arguments */
mfa = 3; /* Minimum final 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+mfa) < argc) {
if (argv[fa+1][0] != '-') {
nfa = fa + 1;
na = argv[nfa]; /* next is seperate non-flag argument */
}
}
}
if (argv[fa][1] == '?')
usage();
/* Verbosity */
else if (argv[fa][1] == 'v' || argv[fa][1] == 'V') {
verb = 1;
}
/* Saturation */
else if (argv[fa][1] == 's' || argv[fa][1] == 'S') {
sat = 1;
}
/* Image gamut */
else if (argv[fa][1] == 'i' || argv[fa][1] == 'I') {
if (na == NULL) usage();
fa = nfa;
strncpy(img_name,na,MAXNAMEL); img_name[MAXNAMEL] = '\000';
}
else
usage();
} else
break;
}
if (fa >= argc || argv[fa][0] == '-') usage();
strcpy(in_name,argv[fa++]);
if (fa >= argc || argv[fa][0] == '-') usage();
strcpy(out_name,argv[fa++]);
if (fa >= argc || argv[fa][0] == '-') usage();
strcpy(diag_name,argv[fa++]);
/* - - - - - - - - - - - - - - - - - - - */
/* read the input device gamut */
gin = new_gamut(0.0, 0, 0);
if ((xl = strrchr(in_name, '.')) == NULL) { /* Add .gam extention if there isn't one */
xl = in_name + strlen(in_name);
strcpy(xl,".gam");
}
if (gin->read_gam(gin, in_name))
error("Reading input gamut failed");
/* - - - - - - - - - - - - - - - - - - - */
/* read the optional image gamut */
if (img_name[0] != '\000') {
gimg = new_gamut(0.0, 0, 0);
if ((xl = strrchr(img_name, '.')) == NULL) { /* Add .gam extention if there isn't one */
xl = img_name + strlen(img_name);
strcpy(xl,".gam");
}
if (gimg->read_gam(gimg, img_name))
error("Reading image gamut failed");
} else {
gimg = gin;
}
/* - - - - - - - - - - - - - - - - - - - */
/* read the output device gamut */
gout = new_gamut(0.0, 0, 0);
if ((xl = strrchr(out_name, '.')) == NULL) { /* Add .gam extention if there isn't one */
xl = out_name + strlen(out_name);
strcpy(xl,".gam");
}
if (gout->read_gam(gout, out_name))
error("Reading output gamut failed");
/* - - - - - - - - - - - - - - - - - - - */
/* Create the gamut mapping */
gmi.usecas = 1; /* Abs. L*a*b* */
gmi.usemap = 1;
gmi.greymf = 1.0; /* Gray axis hue matching factor, 0.0 - 1.0 */
gmi.glumwcpf = 1.0; /* Grey axis luminance white compression factor, 0.0 - 1.0 */
gmi.glumwexf = 1.0; /* Grey axis luminance white expansion factor, 0.0 - 1.0 */
gmi.glumbcpf = 1.0; /* Grey axis luminance black compression factor, 0.0 - 1.0 */
gmi.glumbexf = 1.0; /* Grey axis luminance black expansion factor, 0.0 - 1.0 */
gmi.glumknf = 0.7; /* Gray axis luminance knee factor, 0.0 - 1.0 */
gmi.bph = gmm_bendBP; /* Extend and bend */
gmi.gamcpf = 1.0; /* Gamut compression factor, 0.0 - 1.0 */
if (sat)
gmi.gamexf = 1.0; /* Gamut expansion factor, 0.0 - 1.0 */
else
gmi.gamexf = 0.0; /* Gamut expansion factor, 0.0 - 1.0 */
gmi.gamcknf = 0.1; /* Gamut comp. knee factor, 0.0 - 1.0 */
gmi.gamxknf = 0.1; /* Gamut exp. knee factor, 0.0 - 1.0 */
if (sat) {
gmi.gampwf = 0.0; /* Gamut Perceptual Map weighting factor, 0.0 - 1.0 */
gmi.gamswf = 1.0; /* Gamut Saturation Map weighting factor, 0.0 - 1.0 */
} else {
gmi.gampwf = 1.0; /* Gamut Perceptual Map weighting factor, 0.0 - 1.0 */
gmi.gamswf = 0.0; /* Gamut Saturation Map weighting factor, 0.0 - 1.0 */
}
gmi.satenh = 0.0; /* Saturation enhancement factor */
gmi.desc = "mapetest";
gmi.icci = 0;
map = new_gammap(
verb,
gin, /* Source gamut */
gimg, /* Image gamut */
gout, /* Destination gamut */
&gmi,
0, 0, /* Normal black points */
0, /* Normal CMY cusp mapping */
0, /* No relative weighting override */
17, /* rspl resolution of 17 */
NULL, /* No input range override */
NULL,
gammapwrl /* Diagnostic plot */
);
if (map == NULL) {
error("new_gammap() failed\n");
}
if (verb)
printf("Got gamut mapping\n");
/* Transform the input gamut by the gamut mapping */
{ /* Bad - delving inside gamut! */
int i;
for (i = 0; i < gin->nv; i++) {
/* transform the input gamutboundary points */
map->domap(map, gin->verts[i]->p, gin->verts[i]->p);
}
}
/* Output a transformed gamut */
if ((xl = strrchr(diag_name, '.')) == NULL) { /* Add .gam extention if there isn't one */
xl = diag_name + strlen(diag_name);
strcpy(xl,".gam");
}
gin->write_gam(gin, diag_name);
/* Clean up */
gout->del(gout);
gin->del(gin);
if (gimg != gin)
gimg->del(gimg);
return 0;
}
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