1 |
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/* Copyright (c) 1995 Regents of the University of California */ |
2 |
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|
1 |
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#ifndef lint |
2 |
< |
static char SCCSid[] = "$SunId$ LBL"; |
2 |
> |
static const char RCSid[] = "$Id$"; |
3 |
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#endif |
6 |
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|
4 |
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/* |
5 |
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* Calibrate a scanned MacBeth Color Checker Chart |
6 |
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* |
7 |
< |
* Produce a .cal file suitable for use with pcomb. |
7 |
> |
* Produce a .cal file suitable for use with pcomb, |
8 |
> |
* or .cwp file suitable for use with pcwarp. |
9 |
> |
* |
10 |
> |
* Warping code depends on conformance of COLOR and W3VEC types. |
11 |
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*/ |
12 |
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|
13 |
< |
#include <stdio.h> |
14 |
< |
#ifdef MSDOS |
15 |
< |
#include <fcntl.h> |
16 |
< |
#endif |
13 |
> |
#include <math.h> |
14 |
> |
|
15 |
> |
#include "platform.h" |
16 |
> |
#include "paths.h" |
17 |
> |
#include "rtio.h" |
18 |
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#include "color.h" |
19 |
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#include "resolu.h" |
20 |
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#include "pmap.h" |
21 |
+ |
#include "warp3d.h" |
22 |
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#include "mx3.h" |
23 |
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|
24 |
< |
/* MacBeth colors (CIE 1931, absolute white) */ |
25 |
< |
/* computed from spectral measurements */ |
24 |
> |
/* MacBeth colors */ |
25 |
> |
#define DarkSkin 0 |
26 |
> |
#define LightSkin 1 |
27 |
> |
#define BlueSky 2 |
28 |
> |
#define Foliage 3 |
29 |
> |
#define BlueFlower 4 |
30 |
> |
#define BluishGreen 5 |
31 |
> |
#define Orange 6 |
32 |
> |
#define PurplishBlue 7 |
33 |
> |
#define ModerateRed 8 |
34 |
> |
#define Purple 9 |
35 |
> |
#define YellowGreen 10 |
36 |
> |
#define OrangeYellow 11 |
37 |
> |
#define Blue 12 |
38 |
> |
#define Green 13 |
39 |
> |
#define Red 14 |
40 |
> |
#define Yellow 15 |
41 |
> |
#define Magenta 16 |
42 |
> |
#define Cyan 17 |
43 |
> |
#define White 18 |
44 |
> |
#define Neutral8 19 |
45 |
> |
#define Neutral65 20 |
46 |
> |
#define Neutral5 21 |
47 |
> |
#define Neutral35 22 |
48 |
> |
#define Black 23 |
49 |
> |
/* computed from 10nm spectral measurements */ |
50 |
> |
/* CIE 1931 2 degree obs, equal-energy white */ |
51 |
|
float mbxyY[24][3] = { |
52 |
< |
{0.462, 0.3769, 0.0932961}, /* DarkSkin */ |
53 |
< |
{0.4108, 0.3542, 0.410348}, /* LightSkin */ |
54 |
< |
{0.2626, 0.267, 0.181554}, /* BlueSky */ |
55 |
< |
{0.36, 0.4689, 0.108447}, /* Foliage */ |
56 |
< |
{0.2977, 0.2602, 0.248407}, /* BlueFlower */ |
57 |
< |
{0.2719, 0.3485, 0.401156}, /* BluishGreen */ |
58 |
< |
{0.52, 0.4197, 0.357899}, /* Orange */ |
59 |
< |
{0.229, 0.1866, 0.103911}, /* PurplishBlue */ |
60 |
< |
{0.4909, 0.3262, 0.242615}, /* ModerateRed */ |
61 |
< |
{0.3361, 0.2249, 0.0600102}, /* Purple */ |
62 |
< |
{0.3855, 0.4874, 0.42963}, /* YellowGreen */ |
63 |
< |
{0.4853, 0.4457, 0.476343}, /* OrangeYellow */ |
64 |
< |
{0.2026, 0.1369, 0.0529249}, /* Blue */ |
65 |
< |
{0.3007, 0.4822, 0.221226}, /* Green */ |
66 |
< |
{0.5805, 0.3238, 0.162167}, /* Red */ |
67 |
< |
{0.4617, 0.472, 0.64909}, /* Yellow */ |
68 |
< |
{0.4178, 0.2625, 0.233662}, /* Magenta */ |
69 |
< |
{0.2038, 0.2508, 0.167275}, /* Cyan */ |
70 |
< |
{0.3358, 0.337, 0.916877}, /* White */ |
71 |
< |
{0.3338, 0.3348, 0.604678}, /* Neutral.8 */ |
72 |
< |
{0.3333, 0.3349, 0.364566}, /* Neutral.65 */ |
73 |
< |
{0.3353, 0.3359, 0.200238}, /* Neutral.5 */ |
74 |
< |
{0.3363, 0.336, 0.0878721}, /* Neutral.35 */ |
75 |
< |
{0.3346, 0.3349, 0.0308383} /* Black */ |
52 |
> |
{0.421236, 0.361196, 0.103392}, /* DarkSkin */ |
53 |
> |
{0.40868, 0.358157, 0.352867}, /* LightSkin */ |
54 |
> |
{0.265063, 0.271424, 0.185124}, /* BlueSky */ |
55 |
> |
{0.362851, 0.43055, 0.132625}, /* Foliage */ |
56 |
> |
{0.28888, 0.260851, 0.233138}, /* BlueFlower */ |
57 |
> |
{0.277642, 0.365326, 0.416443}, /* BluishGreen */ |
58 |
> |
{0.524965, 0.40068, 0.312039}, /* Orange */ |
59 |
> |
{0.225018, 0.190392, 0.114999}, /* PurplishBlue */ |
60 |
> |
{0.487199, 0.315372, 0.198616}, /* ModerateRed */ |
61 |
> |
{0.314245, 0.227231, 0.0646047}, /* Purple */ |
62 |
> |
{0.396202, 0.489732, 0.440724}, /* YellowGreen */ |
63 |
> |
{0.493297, 0.435299, 0.43444}, /* OrangeYellow */ |
64 |
> |
{0.198191, 0.149265, 0.0588122}, /* Blue */ |
65 |
> |
{0.322838, 0.487601, 0.229258}, /* Green */ |
66 |
> |
{0.561833, 0.321165, 0.126978}, /* Red */ |
67 |
> |
{0.468113, 0.467021, 0.605289}, /* Yellow */ |
68 |
> |
{0.397128, 0.248535, 0.201761}, /* Magenta */ |
69 |
> |
{0.209552, 0.276256, 0.190917}, /* Cyan */ |
70 |
> |
{0.337219, 0.339042, 0.912482}, /* White */ |
71 |
> |
{0.333283, 0.335077, 0.588297}, /* Neutral.8 */ |
72 |
> |
{0.332747, 0.334371, 0.3594}, /* Neutral.65 */ |
73 |
> |
{0.331925, 0.334202, 0.19114}, /* Neutral.5 */ |
74 |
> |
{0.330408, 0.332615, 0.0892964}, /* Neutral.35 */ |
75 |
> |
{0.331841, 0.331405, 0.0319541}, /* Black */ |
76 |
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}; |
77 |
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|
78 |
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COLOR mbRGB[24]; /* MacBeth RGB values */ |
79 |
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|
80 |
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#define NMBNEU 6 /* Number of MacBeth neutral colors */ |
81 |
< |
short mbneu[NMBNEU] = {23,22,21,20,19,18}; |
54 |
< |
#define NMBMOD 16 /* Number of MacBeth unsaturated colors */ |
55 |
< |
short mbmod[NMBMOD] = {0,1,2,3,4,5,6,7,8,9,10,11,19,20,21,22}; |
56 |
< |
#define NMBSAT 6 /* Number of MacBeth saturated colors */ |
57 |
< |
short mbsat[NMBSAT] = {14,12,13,15,16,17}; |
81 |
> |
short mbneu[NMBNEU] = {Black,Neutral35,Neutral5,Neutral65,Neutral8,White}; |
82 |
|
|
83 |
+ |
#define NEUFLGS (1L<<White|1L<<Neutral8|1L<<Neutral65| \ |
84 |
+ |
1L<<Neutral5|1L<<Neutral35|1L<<Black) |
85 |
+ |
|
86 |
+ |
#define SATFLGS (1L<<Red|1L<<Green|1L<<Blue|1L<<Magenta|1L<<Yellow| \ |
87 |
+ |
1L<<Cyan|1L<<Orange|1L<<Purple|1L<<PurplishBlue| \ |
88 |
+ |
1L<<YellowGreen|1<<OrangeYellow|1L<<BlueFlower) |
89 |
+ |
|
90 |
+ |
#define UNSFLGS (1L<<DarkSkin|1L<<LightSkin|1L<<BlueSky|1L<<Foliage| \ |
91 |
+ |
1L<<BluishGreen|1L<<ModerateRed) |
92 |
+ |
|
93 |
+ |
#define REQFLGS NEUFLGS /* need these colors */ |
94 |
+ |
#define MODFLGS (NEUFLGS|UNSFLGS) /* should be in gamut */ |
95 |
+ |
|
96 |
+ |
#define RG_BORD 0 /* patch border */ |
97 |
+ |
#define RG_CENT 01 /* central region of patch */ |
98 |
+ |
#define RG_ORIG 02 /* original color region */ |
99 |
+ |
#define RG_CORR 04 /* corrected color region */ |
100 |
+ |
|
101 |
+ |
#ifndef DISPCOM |
102 |
+ |
#define DISPCOM "ximage -op \"%s\"" |
103 |
+ |
#endif |
104 |
+ |
|
105 |
+ |
int scanning = 1; /* scanned input (or recorded output)? */ |
106 |
+ |
double irrad = 1.0; /* irradiance multiplication factor */ |
107 |
+ |
int rawmap = 0; /* put out raw color mapping? */ |
108 |
+ |
|
109 |
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int xmax, ymax; /* input image dimensions */ |
110 |
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int bounds[4][2]; /* image coordinates of chart corners */ |
111 |
|
double imgxfm[3][3]; /* coordinate transformation matrix */ |
112 |
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|
113 |
< |
COLOR picRGB[24]; /* picture colors */ |
113 |
> |
COLOR inpRGB[24]; /* measured or scanned input colors */ |
114 |
> |
long inpflags = 0; /* flags of which colors were input */ |
115 |
> |
long gmtflags = 0; /* flags of out-of-gamut colors */ |
116 |
|
|
117 |
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COLOR bramp[NMBNEU][2]; /* brightness ramp (per primary) */ |
118 |
< |
double solmat[3][3]; /* color mapping matrix */ |
118 |
> |
COLORMAT solmat; /* color mapping matrix */ |
119 |
> |
COLOR colmin, colmax; /* gamut limits */ |
120 |
|
|
121 |
< |
FILE *debugfp = NULL; |
121 |
> |
WARP3D *wcor = NULL; /* color space warp */ |
122 |
> |
|
123 |
> |
FILE *debugfp = NULL; /* debug output picture */ |
124 |
|
char *progname; |
125 |
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|
126 |
< |
extern char *malloc(); |
126 |
> |
static void init(void); |
127 |
> |
static int chartndx(int x, int y, int *np); |
128 |
> |
static void getpicture(void); |
129 |
> |
static void getcolors(void); |
130 |
> |
static void bresp(COLOR y, COLOR x); |
131 |
> |
static void compute(void); |
132 |
> |
static void putmapping(void); |
133 |
> |
static void compsoln(COLOR cin[], COLOR cout[], int n); |
134 |
> |
static void cwarp(void); |
135 |
> |
static int cvtcolor(COLOR cout, COLOR cin); |
136 |
> |
static int cresp(COLOR cout, COLOR cin); |
137 |
> |
static void xyY2RGB(COLOR rgbout, float xyYin[3]); |
138 |
> |
static void picdebug(void); |
139 |
> |
static void clrdebug(void); |
140 |
> |
static void getpos(char *name, int bnds[2], FILE *fp); |
141 |
> |
static void pickchartpos(char *pfn); |
142 |
|
|
143 |
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|
144 |
< |
main(argc, argv) |
145 |
< |
int argc; |
146 |
< |
char **argv; |
144 |
> |
int |
145 |
> |
main( |
146 |
> |
int argc, |
147 |
> |
char **argv |
148 |
> |
) |
149 |
|
{ |
150 |
|
int i; |
151 |
|
|
152 |
|
progname = argv[0]; |
153 |
< |
if (argc > 2 && !strcmp(argv[1], "-d")) { /* debug output */ |
154 |
< |
if ((debugfp = fopen(argv[2], "w")) == NULL) { |
155 |
< |
perror(argv[2]); |
156 |
< |
exit(1); |
153 |
> |
for (i = 1; i < argc && argv[i][0] == '-'; i++) |
154 |
> |
switch (argv[i][1]) { |
155 |
> |
case 'd': /* debug output */ |
156 |
> |
i++; |
157 |
> |
if (badarg(argc-i, argv+i, "s")) |
158 |
> |
goto userr; |
159 |
> |
if ((debugfp = fopen(argv[i], "w")) == NULL) { |
160 |
> |
perror(argv[i]); |
161 |
> |
exit(1); |
162 |
> |
} |
163 |
> |
SET_FILE_BINARY(debugfp); |
164 |
> |
newheader("RADIANCE", debugfp); /* start */ |
165 |
> |
printargs(argc, argv, debugfp); /* header */ |
166 |
> |
break; |
167 |
> |
case 'p': /* picture position */ |
168 |
> |
if (badarg(argc-i-1, argv+i+1, "iiiiiiii")) |
169 |
> |
goto userr; |
170 |
> |
bounds[0][0] = atoi(argv[++i]); |
171 |
> |
bounds[0][1] = atoi(argv[++i]); |
172 |
> |
bounds[1][0] = atoi(argv[++i]); |
173 |
> |
bounds[1][1] = atoi(argv[++i]); |
174 |
> |
bounds[2][0] = atoi(argv[++i]); |
175 |
> |
bounds[2][1] = atoi(argv[++i]); |
176 |
> |
bounds[3][0] = atoi(argv[++i]); |
177 |
> |
bounds[3][1] = atoi(argv[++i]); |
178 |
> |
scanning = 2; |
179 |
> |
break; |
180 |
> |
case 'P': /* pick position */ |
181 |
> |
scanning = 3; |
182 |
> |
break; |
183 |
> |
case 'i': /* irradiance factor */ |
184 |
> |
i++; |
185 |
> |
if (badarg(argc-i, argv+i, "f")) |
186 |
> |
goto userr; |
187 |
> |
irrad = atof(argv[i]); |
188 |
> |
break; |
189 |
> |
case 'm': /* raw map output */ |
190 |
> |
rawmap = 1; |
191 |
> |
break; |
192 |
> |
case 'c': /* color input */ |
193 |
> |
scanning = 0; |
194 |
> |
break; |
195 |
> |
default: |
196 |
> |
goto userr; |
197 |
|
} |
198 |
< |
#ifdef MSDOS |
199 |
< |
setmode(fileno(debugfp), O_BINARY); |
200 |
< |
#endif |
89 |
< |
newheader("RADIANCE", debugfp); |
90 |
< |
printargs(argc, argv, debugfp); |
91 |
< |
argv += 2; |
92 |
< |
argc -= 2; |
93 |
< |
} |
94 |
< |
if (argc != 3 && argc != 11) |
95 |
< |
goto userr; |
96 |
< |
if (strcmp(argv[1], "-") && freopen(argv[1], "r", stdin) == NULL) { |
97 |
< |
perror(argv[1]); |
198 |
> |
/* open files */ |
199 |
> |
if (i < argc && freopen(argv[i], "r", stdin) == NULL) { |
200 |
> |
perror(argv[i]); |
201 |
|
exit(1); |
202 |
|
} |
203 |
< |
if (strcmp(argv[2], "-") && freopen(argv[2], "w", stdout) == NULL) { |
204 |
< |
perror(argv[2]); |
203 |
> |
if (i+1 < argc && freopen(argv[i+1], "w", stdout) == NULL) { |
204 |
> |
perror(argv[i+1]); |
205 |
|
exit(1); |
206 |
|
} |
207 |
< |
#ifdef MSDOS |
208 |
< |
setmode(fileno(stdin), O_BINARY); |
209 |
< |
#endif |
210 |
< |
if (checkheader(stdin, COLRFMT, NULL) < 0 || |
211 |
< |
fgetresolu(&xmax, &ymax, stdin) < 0) { |
212 |
< |
fprintf(stderr, "%s: bad input picture\n", progname); |
213 |
< |
exit(1); |
214 |
< |
} |
215 |
< |
/* get chart boundaries */ |
113 |
< |
if (argc == 11) { |
114 |
< |
for (i = 0; i < 4; i++) { |
115 |
< |
if (!isint(argv[2*i+3]) | !isint(argv[2*i+4])) |
207 |
> |
if (scanning) { /* load input picture header */ |
208 |
> |
SET_FILE_BINARY(stdin); |
209 |
> |
if (checkheader(stdin, COLRFMT, NULL) < 0 || |
210 |
> |
fgetresolu(&xmax, &ymax, stdin) < 0) { |
211 |
> |
fprintf(stderr, "%s: bad input picture\n", progname); |
212 |
> |
exit(1); |
213 |
> |
} |
214 |
> |
if (scanning == 3) { |
215 |
> |
if (i >= argc) |
216 |
|
goto userr; |
217 |
< |
bounds[i][0] = atoi(argv[2*i+3]); |
218 |
< |
bounds[i][1] = atoi(argv[2*i+4]); |
217 |
> |
pickchartpos(argv[i]); |
218 |
> |
scanning = 2; |
219 |
|
} |
220 |
< |
} else { |
220 |
> |
} else { /* else set default xmax and ymax */ |
221 |
> |
xmax = 512; |
222 |
> |
ymax = 2*512/3; |
223 |
> |
} |
224 |
> |
if (scanning != 2) { /* use default boundaries */ |
225 |
|
bounds[0][0] = bounds[2][0] = .029*xmax + .5; |
226 |
|
bounds[0][1] = bounds[1][1] = .956*ymax + .5; |
227 |
|
bounds[1][0] = bounds[3][0] = .971*xmax + .5; |
228 |
|
bounds[2][1] = bounds[3][1] = .056*ymax + .5; |
229 |
|
} |
230 |
|
init(); /* initialize */ |
231 |
< |
getcolors(); /* get picture colors */ |
231 |
> |
if (scanning) /* get picture colors */ |
232 |
> |
getpicture(); |
233 |
> |
else |
234 |
> |
getcolors(); |
235 |
|
compute(); /* compute color mapping */ |
236 |
< |
putmapping(); /* put out color mapping */ |
237 |
< |
putdebug(); /* put out debug picture */ |
236 |
> |
if (rawmap) { /* print out raw correspondence */ |
237 |
> |
register int j; |
238 |
> |
|
239 |
> |
printf("# Color correspondence produced by:\n#\t\t"); |
240 |
> |
printargs(argc, argv, stdout); |
241 |
> |
printf("#\tUsage: pcwarp %s uncorrected.hdr > corrected.hdr\n", |
242 |
> |
i+1 < argc ? argv[i+1] : "{this_file}"); |
243 |
> |
printf("#\t Or: pcond [options] -m %s orig.hdr > output.hdr\n", |
244 |
> |
i+1 < argc ? argv[i+1] : "{this_file}"); |
245 |
> |
for (j = 0; j < 24; j++) |
246 |
> |
printf("%f %f %f %f %f %f\n", |
247 |
> |
colval(inpRGB[j],RED), colval(inpRGB[j],GRN), |
248 |
> |
colval(inpRGB[j],BLU), colval(mbRGB[j],RED), |
249 |
> |
colval(mbRGB[j],GRN), colval(mbRGB[j],BLU)); |
250 |
> |
if (scanning && debugfp != NULL) |
251 |
> |
cwarp(); /* color warp for debugging */ |
252 |
> |
} else { /* print color mapping */ |
253 |
> |
/* print header */ |
254 |
> |
printf("{\n\tColor correction file computed by:\n\t\t"); |
255 |
> |
printargs(argc, argv, stdout); |
256 |
> |
printf("\n\tUsage: pcomb -f %s uncorrected.hdr > corrected.hdr\n", |
257 |
> |
i+1 < argc ? argv[i+1] : "{this_file}"); |
258 |
> |
if (!scanning) |
259 |
> |
printf("\t Or: pcond [options] -f %s orig.hdr > output.hdr\n", |
260 |
> |
i+1 < argc ? argv[i+1] : "{this_file}"); |
261 |
> |
printf("}\n"); |
262 |
> |
putmapping(); /* put out color mapping */ |
263 |
> |
} |
264 |
> |
if (debugfp != NULL) { /* put out debug picture */ |
265 |
> |
if (scanning) |
266 |
> |
picdebug(); |
267 |
> |
else |
268 |
> |
clrdebug(); |
269 |
> |
} |
270 |
|
exit(0); |
271 |
|
userr: |
272 |
< |
fprintf(stderr, "Usage: %s [-d dbg.pic] input.pic output.cal [xul yul xur yur xll yll xlr ylr]\n", |
272 |
> |
fprintf(stderr, |
273 |
> |
"Usage: %s [-d dbg.hdr][-P | -p xul yul xur yur xll yll xlr ylr][-i irrad][-m] input.hdr [output.{cal|cwp}]\n", |
274 |
|
progname); |
275 |
+ |
fprintf(stderr, " or: %s [-d dbg.hdr][-i irrad][-m] -c [xyY.dat [output.{cal|cwp}]]\n", |
276 |
+ |
progname); |
277 |
|
exit(1); |
278 |
+ |
return 1; /* pro forma return */ |
279 |
|
} |
280 |
|
|
281 |
|
|
282 |
< |
init() /* initialize */ |
282 |
> |
static void |
283 |
> |
init(void) /* initialize */ |
284 |
|
{ |
285 |
|
double quad[4][2]; |
286 |
+ |
register int i; |
287 |
|
/* make coordinate transformation */ |
288 |
|
quad[0][0] = bounds[0][0]; |
289 |
|
quad[0][1] = bounds[0][1]; |
298 |
|
fprintf(stderr, "%s: bad chart boundaries\n", progname); |
299 |
|
exit(1); |
300 |
|
} |
301 |
+ |
/* map MacBeth colors to RGB space */ |
302 |
+ |
for (i = 0; i < 24; i++) { |
303 |
+ |
xyY2RGB(mbRGB[i], mbxyY[i]); |
304 |
+ |
scalecolor(mbRGB[i], irrad); |
305 |
+ |
} |
306 |
|
} |
307 |
|
|
308 |
|
|
309 |
< |
int |
310 |
< |
chartndx(x, y) /* find color number for position */ |
311 |
< |
int x, y; |
309 |
> |
static int |
310 |
> |
chartndx( /* find color number for position */ |
311 |
> |
int x, |
312 |
> |
int y, |
313 |
> |
int *np |
314 |
> |
) |
315 |
|
{ |
316 |
|
double ipos[3], cpos[3]; |
317 |
|
int ix, iy; |
324 |
|
cpos[0] /= cpos[2]; |
325 |
|
cpos[1] /= cpos[2]; |
326 |
|
if (cpos[0] < 0. || cpos[0] >= 6. || cpos[1] < 0. || cpos[1] >= 4.) |
327 |
< |
return(-1); |
327 |
> |
return(RG_BORD); |
328 |
|
ix = cpos[0]; |
329 |
|
iy = cpos[1]; |
330 |
|
fx = cpos[0] - ix; |
331 |
|
fy = cpos[1] - iy; |
332 |
< |
if (fx < .35 || fx >= .65 || fy < .35 || fy >= .65) |
333 |
< |
return(-1); |
334 |
< |
return(iy*6 + ix); |
332 |
> |
*np = iy*6 + ix; |
333 |
> |
if (fx >= 0.35 && fx < 0.65 && fy >= 0.35 && fy < 0.65) |
334 |
> |
return(RG_CENT); |
335 |
> |
if (fx < 0.05 || fx >= 0.95 || fy < 0.05 || fy >= 0.95) |
336 |
> |
return(RG_BORD); |
337 |
> |
if (fx >= 0.5) /* right side is corrected */ |
338 |
> |
return(RG_CORR); |
339 |
> |
return(RG_ORIG); /* left side is original */ |
340 |
|
} |
341 |
|
|
342 |
|
|
343 |
< |
getcolors() /* load in picture colors */ |
343 |
> |
static void |
344 |
> |
getpicture(void) /* load in picture colors */ |
345 |
|
{ |
346 |
|
COLR *scanln; |
347 |
|
COLOR pval; |
348 |
|
int ccount[24]; |
349 |
|
double d; |
350 |
< |
int y; |
351 |
< |
register int x, i; |
350 |
> |
int y, i; |
351 |
> |
register int x; |
352 |
|
|
353 |
|
scanln = (COLR *)malloc(xmax*sizeof(COLR)); |
354 |
|
if (scanln == NULL) { |
356 |
|
exit(1); |
357 |
|
} |
358 |
|
for (i = 0; i < 24; i++) { |
359 |
< |
setcolor(picRGB[i], 0., 0., 0.); |
359 |
> |
setcolor(inpRGB[i], 0., 0., 0.); |
360 |
|
ccount[i] = 0; |
361 |
|
} |
362 |
|
for (y = ymax-1; y >= 0; y--) { |
365 |
|
progname); |
366 |
|
exit(1); |
367 |
|
} |
368 |
< |
for (x = 0; x < xmax; x++) { |
369 |
< |
i = chartndx(x, y); |
211 |
< |
if (i >= 0) { |
368 |
> |
for (x = 0; x < xmax; x++) |
369 |
> |
if (chartndx(x, y, &i) == RG_CENT) { |
370 |
|
colr_color(pval, scanln[x]); |
371 |
< |
addcolor(picRGB[i], pval); |
371 |
> |
addcolor(inpRGB[i], pval); |
372 |
|
ccount[i]++; |
373 |
|
} |
374 |
+ |
} |
375 |
+ |
for (i = 0; i < 24; i++) { /* compute averages */ |
376 |
+ |
if (ccount[i] == 0) |
377 |
+ |
continue; |
378 |
+ |
d = 1./ccount[i]; |
379 |
+ |
scalecolor(inpRGB[i], d); |
380 |
+ |
inpflags |= 1L<<i; |
381 |
+ |
} |
382 |
+ |
free((void *)scanln); |
383 |
+ |
} |
384 |
+ |
|
385 |
+ |
|
386 |
+ |
static void |
387 |
+ |
getcolors(void) /* get xyY colors from standard input */ |
388 |
+ |
{ |
389 |
+ |
int gotwhite = 0; |
390 |
+ |
COLOR whiteclr; |
391 |
+ |
int n; |
392 |
+ |
float xyYin[3]; |
393 |
+ |
|
394 |
+ |
while (fgetval(stdin, 'i', &n) == 1) { /* read colors */ |
395 |
+ |
if ((n < 0) | (n > 24) || |
396 |
+ |
fgetval(stdin, 'f', &xyYin[0]) != 1 || |
397 |
+ |
fgetval(stdin, 'f', &xyYin[1]) != 1 || |
398 |
+ |
fgetval(stdin, 'f', &xyYin[2]) != 1 || |
399 |
+ |
(xyYin[0] < 0.) | (xyYin[1] < 0.) || |
400 |
+ |
xyYin[0] + xyYin[1] > 1.) { |
401 |
+ |
fprintf(stderr, "%s: bad color input data\n", |
402 |
+ |
progname); |
403 |
+ |
exit(1); |
404 |
|
} |
405 |
+ |
if (n == 0) { /* calibration white */ |
406 |
+ |
xyY2RGB(whiteclr, xyYin); |
407 |
+ |
gotwhite++; |
408 |
+ |
} else { /* standard color */ |
409 |
+ |
n--; |
410 |
+ |
xyY2RGB(inpRGB[n], xyYin); |
411 |
+ |
inpflags |= 1L<<n; |
412 |
+ |
} |
413 |
|
} |
414 |
< |
for (i = 0; i < 24; i++) { |
415 |
< |
if (ccount[i] == 0) { |
416 |
< |
fprintf(stderr, "%s: bad chart boundaries\n", |
414 |
> |
/* normalize colors */ |
415 |
> |
if (!gotwhite) { |
416 |
> |
if (!(inpflags & 1L<<White)) { |
417 |
> |
fprintf(stderr, "%s: missing input for White\n", |
418 |
|
progname); |
419 |
|
exit(1); |
420 |
|
} |
421 |
< |
d = 1.0/ccount[i]; |
422 |
< |
scalecolor(picRGB[i], d); |
421 |
> |
setcolor(whiteclr, |
422 |
> |
colval(inpRGB[White],RED)/colval(mbRGB[White],RED), |
423 |
> |
colval(inpRGB[White],GRN)/colval(mbRGB[White],GRN), |
424 |
> |
colval(inpRGB[White],BLU)/colval(mbRGB[White],BLU)); |
425 |
|
} |
426 |
< |
free((char *)scanln); |
426 |
> |
for (n = 0; n < 24; n++) |
427 |
> |
if (inpflags & 1L<<n) |
428 |
> |
setcolor(inpRGB[n], |
429 |
> |
colval(inpRGB[n],RED)/colval(whiteclr,RED), |
430 |
> |
colval(inpRGB[n],GRN)/colval(whiteclr,GRN), |
431 |
> |
colval(inpRGB[n],BLU)/colval(whiteclr,BLU)); |
432 |
|
} |
433 |
|
|
434 |
|
|
435 |
< |
bresp(y, x) /* piecewise linear interpolation of primaries */ |
436 |
< |
COLOR y, x; |
435 |
> |
static void |
436 |
> |
bresp( /* piecewise linear interpolation of primaries */ |
437 |
> |
COLOR y, |
438 |
> |
COLOR x |
439 |
> |
) |
440 |
|
{ |
234 |
– |
double cv[3]; |
441 |
|
register int i, n; |
442 |
|
|
443 |
|
for (i = 0; i < 3; i++) { |
444 |
< |
n = NMBNEU; |
445 |
< |
while (n > 0 && colval(x,i) < colval(bramp[--n][0],i)) |
446 |
< |
; |
447 |
< |
cv[i] = ((colval(bramp[n+1][0],i) - colval(x,i)) * |
444 |
> |
for (n = 0; n < NMBNEU-2; n++) |
445 |
> |
if (colval(x,i) < colval(bramp[n+1][0],i)) |
446 |
> |
break; |
447 |
> |
colval(y,i) = ((colval(bramp[n+1][0],i) - colval(x,i)) * |
448 |
|
colval(bramp[n][1],i) + |
449 |
|
(colval(x,i) - colval(bramp[n][0],i)) * |
450 |
|
colval(bramp[n+1][1],i)) / |
451 |
|
(colval(bramp[n+1][0],i) - colval(bramp[n][0],i)); |
246 |
– |
if (cv[i] < 0.) cv[i] = 0.; |
452 |
|
} |
248 |
– |
setcolor(y, cv[0], cv[1], cv[2]); |
453 |
|
} |
454 |
|
|
455 |
|
|
456 |
< |
compute() /* compute color mapping */ |
456 |
> |
static void |
457 |
> |
compute(void) /* compute color mapping */ |
458 |
|
{ |
459 |
< |
COLOR clrin[NMBMOD], clrout[NMBMOD]; |
459 |
> |
COLOR clrin[24], clrout[24]; |
460 |
> |
long cflags; |
461 |
|
COLOR ctmp; |
462 |
< |
double d; |
463 |
< |
register int i; |
464 |
< |
/* map MacBeth colors to RGB space */ |
465 |
< |
for (i = 0; i < 24; i++) { |
466 |
< |
d = mbxyY[i][2] / mbxyY[i][1]; |
467 |
< |
ctmp[0] = mbxyY[i][0] * d; |
262 |
< |
ctmp[1] = mbxyY[i][2]; |
263 |
< |
ctmp[2] = (1. - mbxyY[i][0] - mbxyY[i][1]) * d; |
264 |
< |
cie_rgb(mbRGB[i], ctmp); |
462 |
> |
register int i, n; |
463 |
> |
/* did we get what we need? */ |
464 |
> |
if ((inpflags & REQFLGS) != REQFLGS) { |
465 |
> |
fprintf(stderr, "%s: missing required input colors\n", |
466 |
> |
progname); |
467 |
> |
exit(1); |
468 |
|
} |
469 |
|
/* compute piecewise luminance curve */ |
470 |
|
for (i = 0; i < NMBNEU; i++) { |
471 |
< |
copycolor(bramp[i][0], picRGB[mbneu[i]]); |
471 |
> |
copycolor(bramp[i][0], inpRGB[mbneu[i]]); |
472 |
> |
for (n = i ? 3 : 0; n--; ) |
473 |
> |
if (colval(bramp[i][0],n) <= |
474 |
> |
colval(bramp[i-1][0],n)+1e-7) { |
475 |
> |
fprintf(stderr, |
476 |
> |
"%s: non-increasing neutral patch\n", progname); |
477 |
> |
exit(1); |
478 |
> |
} |
479 |
|
copycolor(bramp[i][1], mbRGB[mbneu[i]]); |
480 |
|
} |
481 |
< |
/* compute color matrix */ |
482 |
< |
for (i = 0; i < NMBMOD; i++) { |
483 |
< |
bresp(clrin[i], picRGB[mbmod[i]]); |
484 |
< |
copycolor(clrout[i], mbRGB[mbmod[i]]); |
485 |
< |
} |
486 |
< |
compsoln(clrin, clrout, NMBMOD); |
481 |
> |
/* compute color space gamut */ |
482 |
> |
if (scanning) { |
483 |
> |
copycolor(colmin, cblack); |
484 |
> |
copycolor(colmax, cwhite); |
485 |
> |
scalecolor(colmax, irrad); |
486 |
> |
} else |
487 |
> |
for (i = 0; i < 3; i++) { |
488 |
> |
colval(colmin,i) = colval(bramp[0][0],i) - |
489 |
> |
colval(bramp[0][1],i) * |
490 |
> |
(colval(bramp[1][0],i)-colval(bramp[0][0],i)) / |
491 |
> |
(colval(bramp[1][1],i)-colval(bramp[1][0],i)); |
492 |
> |
colval(colmax,i) = colval(bramp[NMBNEU-2][0],i) + |
493 |
> |
(1.-colval(bramp[NMBNEU-2][1],i)) * |
494 |
> |
(colval(bramp[NMBNEU-1][0],i) - |
495 |
> |
colval(bramp[NMBNEU-2][0],i)) / |
496 |
> |
(colval(bramp[NMBNEU-1][1],i) - |
497 |
> |
colval(bramp[NMBNEU-2][1],i)); |
498 |
> |
} |
499 |
> |
/* compute color mapping */ |
500 |
> |
do { |
501 |
> |
cflags = inpflags & ~gmtflags; |
502 |
> |
n = 0; /* compute transform matrix */ |
503 |
> |
for (i = 0; i < 24; i++) |
504 |
> |
if (cflags & 1L<<i) { |
505 |
> |
bresp(clrin[n], inpRGB[i]); |
506 |
> |
copycolor(clrout[n], mbRGB[i]); |
507 |
> |
n++; |
508 |
> |
} |
509 |
> |
compsoln(clrin, clrout, n); |
510 |
> |
if (irrad > 0.99 && irrad < 1.01) /* check gamut */ |
511 |
> |
for (i = 0; i < 24; i++) |
512 |
> |
if (cflags & 1L<<i && cvtcolor(ctmp, mbRGB[i])) |
513 |
> |
gmtflags |= 1L<<i; |
514 |
> |
} while (cflags & gmtflags); |
515 |
> |
if (gmtflags & MODFLGS) |
516 |
> |
fprintf(stderr, |
517 |
> |
"%s: warning - some moderate colors are out of gamut\n", |
518 |
> |
progname); |
519 |
|
} |
520 |
|
|
521 |
|
|
522 |
< |
putmapping() /* put out color mapping for pcomb -f */ |
522 |
> |
static void |
523 |
> |
putmapping(void) /* put out color mapping */ |
524 |
|
{ |
525 |
|
static char cchar[3] = {'r', 'g', 'b'}; |
526 |
|
register int i, j; |
534 |
|
for (i = 0; i < NMBNEU; i++) |
535 |
|
printf(",%g", colval(bramp[i][1],j)); |
536 |
|
printf(");\n"); |
294 |
– |
printf("%c = %ci(1);\n", cchar[j], cchar[j]); |
537 |
|
printf("%cfi(n) = if(n-%g, %d, if(%cxa(n+1)-%c, n, %cfi(n+1)));\n", |
538 |
|
cchar[j], NMBNEU-1.5, NMBNEU-1, cchar[j], |
539 |
|
cchar[j], cchar[j]); |
540 |
|
printf("%cndx = %cfi(1);\n", cchar[j], cchar[j]); |
541 |
< |
printf("%cn = ((%cxa(%cndx+1)-%c)*%cya(%cndx) + ", |
542 |
< |
cchar[j], cchar[j], cchar[j], |
543 |
< |
cchar[j], cchar[j], cchar[j]); |
541 |
> |
printf("%c%c = ((%cxa(%cndx+1)-%c)*%cya(%cndx) + ", |
542 |
> |
cchar[j], scanning?'n':'o', cchar[j], |
543 |
> |
cchar[j], cchar[j], cchar[j], cchar[j]); |
544 |
|
printf("(%c-%cxa(%cndx))*%cya(%cndx+1)) /\n", |
545 |
|
cchar[j], cchar[j], cchar[j], |
546 |
|
cchar[j], cchar[j]); |
548 |
|
cchar[j], cchar[j], cchar[j], cchar[j]); |
549 |
|
} |
550 |
|
/* print color mapping */ |
551 |
< |
printf("ro = %g*rn + %g*gn + %g*bn ;\n", |
552 |
< |
solmat[0][0], solmat[0][1], solmat[0][2]); |
553 |
< |
printf("go = %g*rn + %g*gn + %g*bn ;\n", |
554 |
< |
solmat[1][0], solmat[1][1], solmat[1][2]); |
555 |
< |
printf("bo = %g*rn + %g*gn + %g*bn ;\n", |
556 |
< |
solmat[2][0], solmat[2][1], solmat[2][2]); |
551 |
> |
if (scanning) { |
552 |
> |
printf("r = ri(1); g = gi(1); b = bi(1);\n"); |
553 |
> |
printf("ro = %g*rn + %g*gn + %g*bn ;\n", |
554 |
> |
solmat[0][0], solmat[0][1], solmat[0][2]); |
555 |
> |
printf("go = %g*rn + %g*gn + %g*bn ;\n", |
556 |
> |
solmat[1][0], solmat[1][1], solmat[1][2]); |
557 |
> |
printf("bo = %g*rn + %g*gn + %g*bn ;\n", |
558 |
> |
solmat[2][0], solmat[2][1], solmat[2][2]); |
559 |
> |
} else { |
560 |
> |
printf("r1 = ri(1); g1 = gi(1); b1 = bi(1);\n"); |
561 |
> |
printf("r = %g*r1 + %g*g1 + %g*b1 ;\n", |
562 |
> |
solmat[0][0], solmat[0][1], solmat[0][2]); |
563 |
> |
printf("g = %g*r1 + %g*g1 + %g*b1 ;\n", |
564 |
> |
solmat[1][0], solmat[1][1], solmat[1][2]); |
565 |
> |
printf("b = %g*r1 + %g*g1 + %g*b1 ;\n", |
566 |
> |
solmat[2][0], solmat[2][1], solmat[2][2]); |
567 |
> |
} |
568 |
|
} |
569 |
|
|
570 |
|
|
571 |
< |
#if NMBMOD == 3 |
572 |
< |
compsoln(cin, cout, n) /* solve 3x3 system */ |
573 |
< |
COLOR cin[], cout[]; |
574 |
< |
int n; |
571 |
> |
static void |
572 |
> |
compsoln( /* solve 3xN system using least-squares */ |
573 |
> |
COLOR cin[], |
574 |
> |
COLOR cout[], |
575 |
> |
int n |
576 |
> |
) |
577 |
|
{ |
578 |
|
extern double mx3d_adjoint(), fabs(); |
579 |
|
double mat[3][3], invmat[3][3]; |
580 |
|
double det; |
581 |
|
double colv[3], rowv[3]; |
582 |
< |
register int i, j; |
582 |
> |
register int i, j, k; |
583 |
|
|
584 |
< |
if (n != 3) { |
585 |
< |
fprintf(stderr, "%s: inconsistent code!\n", progname); |
584 |
> |
if (n < 3) { |
585 |
> |
fprintf(stderr, "%s: too few colors to match!\n", progname); |
586 |
|
exit(1); |
587 |
|
} |
588 |
< |
for (i = 0; i < 3; i++) |
589 |
< |
for (j = 0; j < 3; j++) |
590 |
< |
mat[i][j] = colval(cin[j],i); |
588 |
> |
if (n == 3) |
589 |
> |
for (i = 0; i < 3; i++) |
590 |
> |
for (j = 0; j < 3; j++) |
591 |
> |
mat[i][j] = colval(cin[j],i); |
592 |
> |
else { /* compute A^t A */ |
593 |
> |
for (i = 0; i < 3; i++) |
594 |
> |
for (j = i; j < 3; j++) { |
595 |
> |
mat[i][j] = 0.; |
596 |
> |
for (k = 0; k < n; k++) |
597 |
> |
mat[i][j] += colval(cin[k],i) * |
598 |
> |
colval(cin[k],j); |
599 |
> |
} |
600 |
> |
for (i = 1; i < 3; i++) /* using symmetry */ |
601 |
> |
for (j = 0; j < i; j++) |
602 |
> |
mat[i][j] = mat[j][i]; |
603 |
> |
} |
604 |
|
det = mx3d_adjoint(mat, invmat); |
605 |
|
if (fabs(det) < 1e-4) { |
606 |
|
fprintf(stderr, "%s: cannot compute color mapping\n", |
614 |
|
for (j = 0; j < 3; j++) |
615 |
|
invmat[i][j] /= det; |
616 |
|
for (i = 0; i < 3; i++) { |
617 |
< |
for (j = 0; j < 3; j++) |
618 |
< |
colv[j] = colval(cout[j],i); |
617 |
> |
if (n == 3) |
618 |
> |
for (j = 0; j < 3; j++) |
619 |
> |
colv[j] = colval(cout[j],i); |
620 |
> |
else |
621 |
> |
for (j = 0; j < 3; j++) { |
622 |
> |
colv[j] = 0.; |
623 |
> |
for (k = 0; k < n; k++) |
624 |
> |
colv[j] += colval(cout[k],i) * |
625 |
> |
colval(cin[k],j); |
626 |
> |
} |
627 |
|
mx3d_transform(colv, invmat, rowv); |
628 |
|
for (j = 0; j < 3; j++) |
629 |
|
solmat[i][j] = rowv[j]; |
630 |
|
} |
631 |
|
} |
632 |
< |
#else |
633 |
< |
compsoln(cin, cout, n) /* solve 3xN system (N > 3) */ |
634 |
< |
COLOR cin[], cout[]; |
635 |
< |
int n; |
632 |
> |
|
633 |
> |
|
634 |
> |
static void |
635 |
> |
cwarp(void) /* compute color warp map */ |
636 |
|
{ |
637 |
< |
double *au[NMBMOD], *v[3], vv[3][3], auv[NMBMOD][3], w[3]; |
362 |
< |
double b[NMBMOD]; |
363 |
< |
register int i, j; |
637 |
> |
register int i; |
638 |
|
|
639 |
< |
if (n > NMBMOD) { |
640 |
< |
fprintf(stderr, "%s: inconsistent code!\n", progname); |
641 |
< |
exit(1); |
639 |
> |
if ((wcor = new3dw(W3EXACT)) == NULL) |
640 |
> |
goto memerr; |
641 |
> |
for (i = 0; i < 24; i++) |
642 |
> |
if (!add3dpt(wcor, inpRGB[i], mbRGB[i])) |
643 |
> |
goto memerr; |
644 |
> |
return; |
645 |
> |
memerr: |
646 |
> |
perror(progname); |
647 |
> |
exit(1); |
648 |
> |
} |
649 |
> |
|
650 |
> |
|
651 |
> |
static int |
652 |
> |
cvtcolor( /* convert color according to our mapping */ |
653 |
> |
COLOR cout, |
654 |
> |
COLOR cin |
655 |
> |
) |
656 |
> |
{ |
657 |
> |
COLOR ctmp; |
658 |
> |
int clipped; |
659 |
> |
|
660 |
> |
if (wcor != NULL) { |
661 |
> |
clipped = warp3d(cout, cin, wcor); |
662 |
> |
clipped |= clipgamut(cout,bright(cout),CGAMUT,colmin,colmax); |
663 |
> |
} else if (scanning) { |
664 |
> |
bresp(ctmp, cin); |
665 |
> |
clipped = cresp(cout, ctmp); |
666 |
> |
} else { |
667 |
> |
clipped = cresp(ctmp, cin); |
668 |
> |
bresp(cout, ctmp); |
669 |
|
} |
670 |
< |
for (i = 0; i < n; i++) /* assign rectangular matrix A */ |
370 |
< |
for (j = 0; j < 3; j++) |
371 |
< |
auv[i][j] = colval(cin[i],j); |
372 |
< |
/* svdcmp indexing requires pointer offsets */ |
373 |
< |
for (j = 0; j < 3; j++) |
374 |
< |
v[j] = vv[j] - 1; |
375 |
< |
for (i = 0; i < n; i++) |
376 |
< |
au[i] = auv[i] - 1; |
377 |
< |
/* compute singular value decomposition */ |
378 |
< |
fprintf(stderr, "A:\n"); |
379 |
< |
for (i = 1; i <= n; i++) |
380 |
< |
fprintf(stderr, "%g %g %g\n", (au-1)[i][1], (au-1)[i][2], (au-1)[i][3]); |
381 |
< |
svdcmp(au-1, n, 3, w-1, v-1); |
382 |
< |
fprintf(stderr, "U:\n"); |
383 |
< |
for (i = 0; i < n; i++) |
384 |
< |
fprintf(stderr, "%g %g %g\n", auv[i][0], auv[i][1], auv[i][2]); |
385 |
< |
fprintf(stderr, "V:\n"); |
386 |
< |
for (i = 0; i < 3; i++) |
387 |
< |
fprintf(stderr, "%g %g %g\n", vv[i][0], vv[i][1], vv[i][2]); |
388 |
< |
fprintf(stderr, "W: %g %g %g\n", w[0], w[1], w[2]); |
389 |
< |
/* zero out small weights */ |
390 |
< |
for (j = 0; j < 3; j++) |
391 |
< |
if (w[j] < 1e-4) |
392 |
< |
w[j] = 0.; |
393 |
< |
/* back substitution for each row vector */ |
394 |
< |
for (j = 0; j < 3; j++) { |
395 |
< |
for (i = 0; i < n; i++) |
396 |
< |
b[i] = colval(cout[i],j); |
397 |
< |
svbksb(au-1, w-1, v-1, n, 3, b-1, solmat[j]-1); |
398 |
< |
} |
670 |
> |
return(clipped); |
671 |
|
} |
400 |
– |
#endif |
672 |
|
|
673 |
|
|
674 |
< |
cvtcolor(cout, cin) /* convert color according to our mapping */ |
675 |
< |
COLOR cout, cin; |
674 |
> |
static int |
675 |
> |
cresp( /* transform color according to matrix */ |
676 |
> |
COLOR cout, |
677 |
> |
COLOR cin |
678 |
> |
) |
679 |
|
{ |
680 |
< |
double r, g, b; |
680 |
> |
colortrans(cout, solmat, cin); |
681 |
> |
return(clipgamut(cout, bright(cout), CGAMUT, colmin, colmax)); |
682 |
> |
} |
683 |
|
|
684 |
< |
bresp(cout, cin); |
685 |
< |
r = colval(cout,0)*solmat[0][0] + colval(cout,1)*solmat[0][1] |
686 |
< |
+ colval(cout,2)*solmat[0][2]; |
687 |
< |
if (r < 0) r = 0; |
688 |
< |
g = colval(cout,0)*solmat[1][0] + colval(cout,1)*solmat[1][1] |
689 |
< |
+ colval(cout,2)*solmat[1][2]; |
690 |
< |
if (g < 0) g = 0; |
691 |
< |
b = colval(cout,0)*solmat[2][0] + colval(cout,1)*solmat[2][1] |
692 |
< |
+ colval(cout,2)*solmat[2][2]; |
693 |
< |
if (b < 0) b = 0; |
694 |
< |
setcolor(cout, r, g, b); |
684 |
> |
|
685 |
> |
static void |
686 |
> |
xyY2RGB( /* convert xyY to RGB */ |
687 |
> |
COLOR rgbout, |
688 |
> |
register float xyYin[3] |
689 |
> |
) |
690 |
> |
{ |
691 |
> |
COLOR ctmp; |
692 |
> |
double d; |
693 |
> |
|
694 |
> |
d = xyYin[2] / xyYin[1]; |
695 |
> |
ctmp[0] = xyYin[0] * d; |
696 |
> |
ctmp[1] = xyYin[2]; |
697 |
> |
ctmp[2] = (1. - xyYin[0] - xyYin[1]) * d; |
698 |
> |
/* allow negative values */ |
699 |
> |
colortrans(rgbout, xyz2rgbmat, ctmp); |
700 |
|
} |
701 |
|
|
702 |
|
|
703 |
< |
putdebug() /* put out debugging picture */ |
703 |
> |
static void |
704 |
> |
picdebug(void) /* put out debugging picture */ |
705 |
|
{ |
706 |
+ |
static COLOR blkcol = BLKCOLOR; |
707 |
|
COLOR *scan; |
708 |
< |
int y; |
709 |
< |
register int x, i; |
708 |
> |
int y, i; |
709 |
> |
register int x, rg; |
710 |
|
|
428 |
– |
if (debugfp == NULL) |
429 |
– |
return; |
711 |
|
if (fseek(stdin, 0L, 0) == EOF) { |
712 |
|
fprintf(stderr, "%s: cannot seek on input picture\n", progname); |
713 |
|
exit(1); |
721 |
|
exit(1); |
722 |
|
} |
723 |
|
/* finish debug header */ |
724 |
+ |
fputformat(COLRFMT, debugfp); |
725 |
|
putc('\n', debugfp); |
726 |
|
fprtresolu(xmax, ymax, debugfp); |
727 |
+ |
/* write debug picture */ |
728 |
|
for (y = ymax-1; y >= 0; y--) { |
729 |
|
if (freadscan(scan, xmax, stdin) < 0) { |
730 |
|
fprintf(stderr, "%s: error rereading input picture\n", |
732 |
|
exit(1); |
733 |
|
} |
734 |
|
for (x = 0; x < xmax; x++) { |
735 |
< |
i = chartndx(x, y); |
736 |
< |
if (i < 0) |
735 |
> |
rg = chartndx(x, y, &i); |
736 |
> |
if (rg == RG_CENT) { |
737 |
> |
if (!(1L<<i & gmtflags) || (x+y)&07) { |
738 |
> |
copycolor(scan[x], mbRGB[i]); |
739 |
> |
clipgamut(scan[x], bright(scan[x]), |
740 |
> |
CGAMUT, colmin, colmax); |
741 |
> |
} else |
742 |
> |
copycolor(scan[x], blkcol); |
743 |
> |
} else if (rg == RG_CORR) |
744 |
|
cvtcolor(scan[x], scan[x]); |
745 |
< |
else |
746 |
< |
copycolor(scan[x], mbRGB[i]); |
745 |
> |
else if (rg != RG_ORIG) |
746 |
> |
copycolor(scan[x], blkcol); |
747 |
|
} |
748 |
|
if (fwritescan(scan, xmax, debugfp) < 0) { |
749 |
|
fprintf(stderr, "%s: error writing debugging picture\n", |
751 |
|
exit(1); |
752 |
|
} |
753 |
|
} |
754 |
< |
free((char *)scan); |
754 |
> |
/* clean up */ |
755 |
> |
fclose(debugfp); |
756 |
> |
free((void *)scan); |
757 |
> |
} |
758 |
> |
|
759 |
> |
|
760 |
> |
static void |
761 |
> |
clrdebug(void) /* put out debug picture from color input */ |
762 |
> |
{ |
763 |
> |
static COLR blkclr = BLKCOLR; |
764 |
> |
COLR mbclr[24], cvclr[24], orclr[24]; |
765 |
> |
COLR *scan; |
766 |
> |
COLOR ctmp, ct2; |
767 |
> |
int y, i; |
768 |
> |
register int x, rg; |
769 |
> |
/* convert colors */ |
770 |
> |
for (i = 0; i < 24; i++) { |
771 |
> |
copycolor(ctmp, mbRGB[i]); |
772 |
> |
clipgamut(ctmp, bright(ctmp), CGAMUT, cblack, cwhite); |
773 |
> |
setcolr(mbclr[i], colval(ctmp,RED), |
774 |
> |
colval(ctmp,GRN), colval(ctmp,BLU)); |
775 |
> |
if (inpflags & 1L<<i) { |
776 |
> |
copycolor(ctmp, inpRGB[i]); |
777 |
> |
clipgamut(ctmp, bright(ctmp), CGAMUT, cblack, cwhite); |
778 |
> |
setcolr(orclr[i], colval(ctmp,RED), |
779 |
> |
colval(ctmp,GRN), colval(ctmp,BLU)); |
780 |
> |
if (rawmap) |
781 |
> |
copycolr(cvclr[i], mbclr[i]); |
782 |
> |
else { |
783 |
> |
bresp(ctmp, inpRGB[i]); |
784 |
> |
colortrans(ct2, solmat, ctmp); |
785 |
> |
clipgamut(ct2, bright(ct2), CGAMUT, |
786 |
> |
cblack, cwhite); |
787 |
> |
setcolr(cvclr[i], colval(ct2,RED), |
788 |
> |
colval(ct2,GRN), |
789 |
> |
colval(ct2,BLU)); |
790 |
> |
} |
791 |
> |
} |
792 |
> |
} |
793 |
> |
/* allocate scanline */ |
794 |
> |
scan = (COLR *)malloc(xmax*sizeof(COLR)); |
795 |
> |
if (scan == NULL) { |
796 |
> |
perror(progname); |
797 |
> |
exit(1); |
798 |
> |
} |
799 |
> |
/* finish debug header */ |
800 |
> |
fputformat(COLRFMT, debugfp); |
801 |
> |
putc('\n', debugfp); |
802 |
> |
fprtresolu(xmax, ymax, debugfp); |
803 |
> |
/* write debug picture */ |
804 |
> |
for (y = ymax-1; y >= 0; y--) { |
805 |
> |
for (x = 0; x < xmax; x++) { |
806 |
> |
rg = chartndx(x, y, &i); |
807 |
> |
if (rg == RG_CENT) { |
808 |
> |
if (!(1L<<i & gmtflags) || (x+y)&07) |
809 |
> |
copycolr(scan[x], mbclr[i]); |
810 |
> |
else |
811 |
> |
copycolr(scan[x], blkclr); |
812 |
> |
} else if (rg == RG_BORD || !(1L<<i & inpflags)) |
813 |
> |
copycolr(scan[x], blkclr); |
814 |
> |
else if (rg == RG_ORIG) |
815 |
> |
copycolr(scan[x], orclr[i]); |
816 |
> |
else /* rg == RG_CORR */ |
817 |
> |
copycolr(scan[x], cvclr[i]); |
818 |
> |
} |
819 |
> |
if (fwritecolrs(scan, xmax, debugfp) < 0) { |
820 |
> |
fprintf(stderr, "%s: error writing debugging picture\n", |
821 |
> |
progname); |
822 |
> |
exit(1); |
823 |
> |
} |
824 |
> |
} |
825 |
> |
/* clean up */ |
826 |
> |
fclose(debugfp); |
827 |
> |
free((void *)scan); |
828 |
> |
} |
829 |
> |
|
830 |
> |
|
831 |
> |
static void |
832 |
> |
getpos( /* get boundary position */ |
833 |
> |
char *name, |
834 |
> |
int bnds[2], |
835 |
> |
FILE *fp |
836 |
> |
) |
837 |
> |
{ |
838 |
> |
char buf[64]; |
839 |
> |
|
840 |
> |
fprintf(stderr, "\tSelect corner: %s\n", name); |
841 |
> |
if (fgets(buf, sizeof(buf), fp) == NULL || |
842 |
> |
sscanf(buf, "%d %d", &bnds[0], &bnds[1]) != 2) { |
843 |
> |
fprintf(stderr, "%s: read error from display process\n", |
844 |
> |
progname); |
845 |
> |
exit(1); |
846 |
> |
} |
847 |
> |
} |
848 |
> |
|
849 |
> |
|
850 |
> |
static void |
851 |
> |
pickchartpos( /* display picture and pick chart location */ |
852 |
> |
char *pfn |
853 |
> |
) |
854 |
> |
{ |
855 |
> |
char combuf[PATH_MAX]; |
856 |
> |
FILE *pfp; |
857 |
> |
|
858 |
> |
sprintf(combuf, DISPCOM, pfn); |
859 |
> |
if ((pfp = popen(combuf, "r")) == NULL) { |
860 |
> |
perror(combuf); |
861 |
> |
exit(1); |
862 |
> |
} |
863 |
> |
fputs("Use middle mouse button to select chart corners:\n", stderr); |
864 |
> |
getpos("upper left (dark skin)", bounds[0], pfp); |
865 |
> |
getpos("upper right (bluish green)", bounds[1], pfp); |
866 |
> |
getpos("lower left (white)", bounds[2], pfp); |
867 |
> |
getpos("lower right (black)", bounds[3], pfp); |
868 |
> |
fputs("Got it -- quit display program.\n", stderr); |
869 |
> |
pclose(pfp); |
870 |
|
} |