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/*
* nearsmth test code. Test the smoothed nearpoint routine.
*
* Author: Graeme W. Gill
* Date: 17/1/2002
* Version: 1.00
*
* Copyright 2002, 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>
#if defined(__IBMC__) && defined(_M_IX86)
#include <float.h>
#endif
#include "copyright.h"
#include "aconfig.h"
#include "numlib.h"
#include "rspl.h"
#include "gamut.h"
#include "nearsmth.h"
#include "vrml.h"
#include "ui.h"
double m21po[3] = { 2.0, 1.0, 2.0 }; /* Many to 1 filter mixing power LCh (theoretically 2) */
/* Mapping weights */
gammapweights weights[] = {
{
gmm_default, /* Non hue specific defaults */
{ /* Cusp alignment control */
{
0.1, /* Cusp luminance alignment weighting 0 = none, 1 = full */
0.0, /* Cusp chroma alignment weighting 0 = none, 1 = full */
0.3 /* Cusp hue alignment weighting 0 = none, 1 = full */
},
2.0, /* Alignment twist power, 0 = linear, 1 = curve, 2+ late curve */
1.00 /* Chroma expansion 1 = none */
},
{ /* Radial weighting (currently broken - need to fix) */
0.0, /* Radial error overall weight, 0 + */
0.5, /* Radial hue dominance vs l+c, 0 - 1 */
0.5 /* Radial l dominance vs, c, 0 - 1 */
},
{ /* Weighting of absolute error of destination from source */
1.0, /* Absolute error overall weight */
0.8, /* Hue dominance vs l+c, 0 - 1 */
0.8, /* White l dominance vs, c, 0 - 1 */
0.5, /* Grey l dominance vs, c, 0 - 1 */
0.93, /* Black l dominance vs, c, 0 - 1 */
0.4, /* White l blend start radius, 0 - 1, at white = 0 */
0.7, /* Black l blend power, linear = 1.0, enhance < 1.0 */
1.5, /* L error extra power with size, none = 1.0 */
10.0 /* L error extra xover threshold in DE */
},
{ /* Relative vector smoothing */
20.0, 30.0, /* Relative Smoothing radius L* H* */
0.9 /* Degree of smoothing */
},
{ /* Weighting of excessive compression error, which is */
/* the src->dst vector length over the available dst depth. */
/* The depth is half the distance to the intersection of the */
/* vector to the other side of the gamut. (doesn't get triggered much ?) */
5.0, /* Compression depth weight */
5.0 /* Expansion depth weight */
},
{
0.0 /* Fine tuning expansion weight, 0 - 1 */
}
}
};
#define OVERSHOOT 1.0
void usage(void) {
fprintf(stderr,"Create smoothed near mapping between two gamuts, Version %s\n",ARGYLL_VERSION_STR);
fprintf(stderr,"Author: Graeme W. Gill, licensed under the AGPL Version 3\n");
fprintf(stderr,"usage: smthtest [options] ingamut outgamut diag_vrml\n");
fprintf(stderr," -v Verbose\n");
// fprintf(stderr," -s nearf Absolute delta E weighting\n");
exit(1);
}
int
main(int argc, char *argv[]) {
int fa,nfa; /* argument we're looking at */
char *xl;
char in_name[100];
char out_name[100];
char diag_name[100];
int verb = 0;
double nearf = 1.0; /* Absolute delta E weightign */
datai il, ih; /* rspl input range */
datao ol, oh; /* rspl output range */
gamut *gin, *gout; /* Input and Output gamuts */
nearsmth *nsm; /* Returned list of near smooth points */
int nnsm; /* Number of near smoothed points */
int doaxes = 1;
vrml *wrl; /* VRML/X3D output file */
gammapweights xweights[14];
int i;
#if defined(__IBMC__) && defined(_M_IX86)
_control87(EM_UNDERFLOW, EM_UNDERFLOW);
#endif
error_program = argv[0];
if (argc < 3)
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();
/* Verbosity */
else if (argv[fa][1] == 'v' || argv[fa][1] == 'V') {
verb = 1;
}
/* Smoothing factor */
else if (argv[fa][1] == 's' || argv[fa][1] == 'S') {
fa = nfa;
if (na == NULL) usage();
nearf = atof(na);
}
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 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");
/* - - - - - - - - - - - - - - - - - - - */
il[0] = ol[0] = 0.0;
il[1] = ol[1] = -128.0;
il[2] = ol[2] = -128.0;
ih[0] = oh[0] = 100.0;
ih[1] = oh[1] = 128.0;
ih[2] = oh[2] = 128.0;
/* Convert from compact to explicit hextant weightings */
expand_weights(xweights, weights);
/* Create the near point mapping */
nsm = near_smooth(verb, &nnsm, gin, gin, gout, 0, 0, NULL, xweights,
0.1, 0.1, 1, 1, 2.0, 19, 2.0, 1.20, 5, il, ih, ol, oh);
if (nsm == NULL)
error("Creating smoothed near points failed");
/* Output the src to smoothed near point vectors */
if ((xl = strrchr(diag_name, '.')) == NULL) /* Clear extension */
xl = diag_name + strlen(diag_name);
xl[0] = '\000';
if ((wrl = new_vrml(diag_name, doaxes, vrml_lab)) != 0) {
error("new_vrml failed for '%s%s'",diag_name,vrml_ext());
}
wrl->start_line_set(wrl, 0);
for (i = 0; i < nnsm; i++) {
wrl->add_vertex(wrl, 0, nsm[i].sv); /* Source gamut point */
wrl->add_vertex(wrl, 0, nsm[i].dv); /* Smoother destination value */
// add_vertex(wrl, nsm[i].drv); /* Radial points */
}
wrl->make_lines(wrl, 0, 2);
wrl->del(wrl); /* Write file */
/* Clean up */
free_nearsmth(nsm, nnsm);
gout->del(gout);
gin->del(gin);
return 0;
}
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