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
|
/*
* 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"
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;
gamut *gin, *gout; /* Input and Output gamuts */
gamut *gimg = NULL; /* Optional image gamut */
error_program = argv[0];
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,
"gammap.wrl" /* 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;
}
|
