1 |
< |
/* Copyright (c) 1989 Regents of the University of California */ |
1 |
> |
/* Copyright (c) 1991 Regents of the University of California */ |
2 |
|
|
3 |
|
#ifndef lint |
4 |
|
static char SCCSid[] = "$SunId$ LBL"; |
18 |
|
|
19 |
|
#include "calcomp.h" |
20 |
|
|
21 |
< |
#define MAXINP 16 /* maximum number of input files */ |
21 |
> |
#define MAXINP 32 /* maximum number of input files */ |
22 |
> |
#define WINSIZ 9 /* scanline window size */ |
23 |
> |
#define MIDSCN 4 /* current scan position */ |
24 |
|
|
25 |
+ |
#define BRT (-1) /* special index for brightness */ |
26 |
+ |
|
27 |
|
struct { |
28 |
|
char *name; /* file name */ |
29 |
|
FILE *fp; /* stream pointer */ |
30 |
< |
COLOR *scan; /* input scanline */ |
30 |
> |
COLOR *scan[WINSIZ]; /* input scanline window */ |
31 |
> |
COLOR coef; /* coefficient */ |
32 |
|
} input[MAXINP]; /* input pictures */ |
33 |
|
|
34 |
|
int nfiles; /* number of input files */ |
35 |
|
|
36 |
|
char *vcolin[3] = {"ri", "gi", "bi"}; |
37 |
|
char *vcolout[3] = {"ro", "go", "bo"}; |
38 |
+ |
#define vbrtin "li" |
39 |
+ |
#define vbrtout "lo" |
40 |
|
|
41 |
+ |
#define vnfiles "nfiles" |
42 |
+ |
#define vxres "xres" |
43 |
+ |
#define vyres "yres" |
44 |
|
#define vxpos "x" |
45 |
|
#define vypos "y" |
46 |
|
|
47 |
|
int nowarn = 0; /* no warning messages? */ |
48 |
|
|
49 |
+ |
int original = 0; /* origninal values? */ |
50 |
+ |
|
51 |
|
int xres=0, yres=0; /* picture resolution */ |
52 |
|
|
53 |
|
int xpos, ypos; /* picture position */ |
54 |
|
|
55 |
+ |
int wrongformat = 0; |
56 |
|
|
57 |
+ |
|
58 |
|
tputs(s) /* put out string preceded by a tab */ |
59 |
|
char *s; |
60 |
|
{ |
61 |
< |
putchar('\t'); |
62 |
< |
fputs(s, stdout); |
61 |
> |
char fmt[32]; |
62 |
> |
double d; |
63 |
> |
COLOR ctmp; |
64 |
> |
|
65 |
> |
if (isformat(s)) { /* check format */ |
66 |
> |
formatval(fmt, s); |
67 |
> |
wrongformat = strcmp(fmt, COLRFMT); |
68 |
> |
} else if (original && isexpos(s)) { /* exposure */ |
69 |
> |
d = 1.0/exposval(s); |
70 |
> |
scalecolor(input[nfiles].coef, d); |
71 |
> |
} else if (original && iscolcor(s)) { /* color correction */ |
72 |
> |
colcorval(ctmp, s); |
73 |
> |
colval(input[nfiles].coef,RED) /= colval(ctmp,RED); |
74 |
> |
colval(input[nfiles].coef,GRN) /= colval(ctmp,GRN); |
75 |
> |
colval(input[nfiles].coef,BLU) /= colval(ctmp,BLU); |
76 |
> |
} else { /* echo unaffected line */ |
77 |
> |
putchar('\t'); |
78 |
> |
fputs(s, stdout); |
79 |
> |
} |
80 |
> |
|
81 |
|
} |
82 |
|
|
83 |
|
|
85 |
|
int argc; |
86 |
|
char *argv[]; |
87 |
|
{ |
88 |
< |
extern double l_redin(), l_grnin(), l_bluin(); |
89 |
< |
int a; |
88 |
> |
extern double l_redin(), l_grnin(), l_bluin(), l_brtin(), atof(); |
89 |
> |
double f; |
90 |
> |
int a, i; |
91 |
|
|
92 |
< |
funset(vcolin[RED], 1, l_redin); |
93 |
< |
funset(vcolin[GRN], 1, l_grnin); |
94 |
< |
funset(vcolin[BLU], 1, l_bluin); |
92 |
> |
funset(vcolin[RED], 1, '=', l_redin); |
93 |
> |
funset(vcolin[GRN], 1, '=', l_grnin); |
94 |
> |
funset(vcolin[BLU], 1, '=', l_bluin); |
95 |
> |
funset(vbrtin, 1, '=', l_brtin); |
96 |
|
|
97 |
|
for (a = 1; a < argc; a++) |
98 |
|
if (argv[a][0] == '-') |
99 |
|
switch (argv[a][1]) { |
100 |
|
case '\0': |
101 |
+ |
case 's': |
102 |
+ |
case 'c': |
103 |
|
goto getfiles; |
104 |
|
case 'x': |
105 |
|
xres = atoi(argv[++a]); |
110 |
|
case 'w': |
111 |
|
nowarn = !nowarn; |
112 |
|
break; |
113 |
+ |
case 'o': |
114 |
+ |
original = !original; |
115 |
+ |
break; |
116 |
|
case 'f': |
117 |
|
fcompile(argv[++a]); |
118 |
|
break; |
119 |
|
case 'e': |
120 |
< |
scompile(NULL, argv[++a]); |
120 |
> |
scompile(argv[++a], NULL, 0); |
121 |
|
break; |
122 |
|
default: |
123 |
< |
eputs("Usage: "); |
85 |
< |
eputs(argv[0]); |
86 |
< |
eputs(" [-w][-x xres][-y yres][-e expr][-f file] [picture ..]\n"); |
87 |
< |
quit(1); |
123 |
> |
goto usage; |
124 |
|
} |
125 |
|
else |
126 |
|
break; |
127 |
|
getfiles: |
128 |
+ |
for (nfiles = 0; nfiles < MAXINP; nfiles++) |
129 |
+ |
setcolor(input[nfiles].coef, 1.0, 1.0, 1.0); |
130 |
|
nfiles = 0; |
131 |
|
for ( ; a < argc; a++) { |
132 |
|
if (nfiles >= MAXINP) { |
134 |
|
eputs(": too many picture files\n"); |
135 |
|
quit(1); |
136 |
|
} |
137 |
< |
if (argv[a][0] == '-') { |
138 |
< |
input[nfiles].name = "<stdin>"; |
139 |
< |
input[nfiles].fp = stdin; |
140 |
< |
} else { |
137 |
> |
if (argv[a][0] == '-') |
138 |
> |
switch (argv[a][1]) { |
139 |
> |
case '\0': |
140 |
> |
input[nfiles].name = "<stdin>"; |
141 |
> |
input[nfiles].fp = stdin; |
142 |
> |
break; |
143 |
> |
case 's': |
144 |
> |
f = atof(argv[++a]); |
145 |
> |
scalecolor(input[nfiles].coef, f); |
146 |
> |
continue; |
147 |
> |
case 'c': |
148 |
> |
colval(input[nfiles].coef,RED)*=atof(argv[++a]); |
149 |
> |
colval(input[nfiles].coef,GRN)*=atof(argv[++a]); |
150 |
> |
colval(input[nfiles].coef,BLU)*=atof(argv[++a]); |
151 |
> |
continue; |
152 |
> |
default: |
153 |
> |
goto usage; |
154 |
> |
} |
155 |
> |
else { |
156 |
|
input[nfiles].name = argv[a]; |
157 |
|
input[nfiles].fp = fopen(argv[a], "r"); |
158 |
|
if (input[nfiles].fp == NULL) { |
159 |
< |
eputs(argv[a]); |
107 |
< |
eputs(": cannot open\n"); |
159 |
> |
perror(argv[a]); |
160 |
|
quit(1); |
161 |
|
} |
162 |
|
} |
163 |
|
fputs(input[nfiles].name, stdout); |
164 |
|
fputs(":\n", stdout); |
165 |
< |
getheader(input[nfiles].fp, tputs); |
166 |
< |
if (fscanf(input[nfiles].fp, "-Y %d +X %d\n", &ypos, &xpos) != 2) { |
165 |
> |
getheader(input[nfiles].fp, tputs, NULL); |
166 |
> |
if (wrongformat) { |
167 |
|
eputs(input[nfiles].name); |
168 |
+ |
eputs(": not in Radiance picture format\n"); |
169 |
+ |
quit(1); |
170 |
+ |
} |
171 |
+ |
if (fgetresolu(&xpos, &ypos, input[nfiles].fp) != |
172 |
+ |
(YMAJOR|YDECR)) { |
173 |
+ |
eputs(input[nfiles].name); |
174 |
|
eputs(": bad picture size\n"); |
175 |
|
quit(1); |
176 |
|
} |
182 |
|
eputs(": resolution mismatch\n"); |
183 |
|
quit(1); |
184 |
|
} |
185 |
< |
input[nfiles].scan = (COLOR *)emalloc(xres*sizeof(COLOR)); |
185 |
> |
for (i = 0; i < WINSIZ; i++) |
186 |
> |
input[nfiles].scan[i] = |
187 |
> |
(COLOR *)emalloc(xres*sizeof(COLOR)); |
188 |
|
nfiles++; |
189 |
|
} |
190 |
|
printargs(argc, argv, stdout); |
191 |
+ |
fputformat(COLRFMT, stdout); |
192 |
|
putchar('\n'); |
193 |
< |
printf("-Y %d +X %d\n", yres, xres); |
193 |
> |
fputresolu(YMAJOR|YDECR, xres, yres, stdout); |
194 |
|
combine(); |
195 |
|
quit(0); |
196 |
+ |
usage: |
197 |
+ |
eputs("Usage: "); |
198 |
+ |
eputs(argv[0]); |
199 |
+ |
eputs( |
200 |
+ |
" [-w][-h][-x xr][-y yr][-e expr][-f file] [ [-s f][-c r g b] pic ..]\n"); |
201 |
+ |
quit(1); |
202 |
|
} |
203 |
|
|
204 |
|
|
205 |
|
combine() /* combine pictures */ |
206 |
|
{ |
207 |
< |
int coldef[3]; |
207 |
> |
EPNODE *coldef[3], *brtdef; |
208 |
|
COLOR *scanout; |
209 |
+ |
double d; |
210 |
|
register int i, j; |
211 |
|
/* check defined variables */ |
212 |
< |
for (j = 0; j < 3; j++) |
213 |
< |
coldef[j] = vardefined(vcolout[j]); |
212 |
> |
for (j = 0; j < 3; j++) { |
213 |
> |
if (vardefined(vcolout[j])) |
214 |
> |
coldef[j] = eparse(vcolout[j]); |
215 |
> |
else |
216 |
> |
coldef[j] = NULL; |
217 |
> |
} |
218 |
> |
if (vardefined(vbrtout)) |
219 |
> |
brtdef = eparse(vbrtout); |
220 |
> |
else |
221 |
> |
brtdef = NULL; |
222 |
> |
/* define constants */ |
223 |
> |
varset(vnfiles, ':', (double)nfiles); |
224 |
> |
varset(vxres, ':', (double)xres); |
225 |
> |
varset(vyres, ':', (double)yres); |
226 |
|
/* allocate scanline */ |
227 |
|
scanout = (COLOR *)emalloc(xres*sizeof(COLOR)); |
228 |
+ |
/* initialize input */ |
229 |
+ |
initinp(); |
230 |
|
/* combine files */ |
231 |
|
for (ypos = yres-1; ypos >= 0; ypos--) { |
232 |
< |
for (i = 0; i < nfiles; i++) |
233 |
< |
if (freadscan(input[i].scan, xres, input[i].fp) < 0) { |
234 |
< |
eputs(input[i].name); |
235 |
< |
eputs(": read error\n"); |
236 |
< |
quit(1); |
232 |
> |
advance(); |
233 |
> |
varset(vypos, '=', (double)ypos); |
234 |
> |
for (xpos = 0; xpos < xres; xpos++) { |
235 |
> |
varset(vxpos, '=', (double)xpos); |
236 |
> |
eclock++; |
237 |
> |
if (brtdef != NULL) { |
238 |
> |
d = evalue(brtdef); |
239 |
> |
if (d < 0.0) |
240 |
> |
d = 0.0; |
241 |
> |
setcolor(scanout[xpos], d, d, d); |
242 |
> |
} else { |
243 |
> |
for (j = 0; j < 3; j++) { |
244 |
> |
if (coldef[j] != NULL) { |
245 |
> |
d = evalue(coldef[j]); |
246 |
> |
} else { |
247 |
> |
d = 0.0; |
248 |
> |
for (i = 0; i < nfiles; i++) |
249 |
> |
d += colval(input[i].scan[MIDSCN][xpos],j); |
250 |
|
} |
251 |
< |
varset(vypos, (double)ypos); |
252 |
< |
for (xpos = 0; xpos < xres; xpos++) { |
253 |
< |
varset(vxpos, (double)xpos); |
254 |
< |
eclock++; |
160 |
< |
for (j = 0; j < 3; j++) |
161 |
< |
if (coldef[j]) { |
162 |
< |
colval(scanout[xpos],j) = varvalue(vcolout[j]); |
163 |
< |
if (colval(scanout[xpos],j) < 0.0) |
164 |
< |
colval(scanout[xpos],j) = 0.0; |
165 |
< |
} else { |
166 |
< |
colval(scanout[xpos],j) = 0.0; |
167 |
< |
for (i = 0; i < nfiles; i++) |
168 |
< |
colval(scanout[xpos],j) += colval(input[i].scan[xpos],j); |
169 |
< |
colval(scanout[xpos],j) /= (double)nfiles; |
170 |
< |
} |
251 |
> |
if (d < 0.0) |
252 |
> |
d = 0.0; |
253 |
> |
colval(scanout[xpos],j) = d; |
254 |
> |
} |
255 |
|
} |
256 |
< |
if (fwritescan(scanout, xres, stdout) < 0) { |
257 |
< |
eputs("write error\n"); |
256 |
> |
} |
257 |
> |
if (fwritescan(scanout, xres, stdout) < 0) { |
258 |
> |
perror("write error"); |
259 |
> |
quit(1); |
260 |
> |
} |
261 |
> |
} |
262 |
> |
efree(scanout); |
263 |
> |
} |
264 |
> |
|
265 |
> |
|
266 |
> |
initinp() /* initilize scan windows */ |
267 |
> |
{ |
268 |
> |
for (ypos = yres+(MIDSCN-1); ypos >= yres; ypos--) |
269 |
> |
advance(); |
270 |
> |
} |
271 |
> |
|
272 |
> |
|
273 |
> |
advance() /* read in next scanline */ |
274 |
> |
{ |
275 |
> |
register COLOR *st; |
276 |
> |
register int i, j; |
277 |
> |
|
278 |
> |
for (i = 0; i < nfiles; i++) { |
279 |
> |
st = input[i].scan[WINSIZ-1]; |
280 |
> |
for (j = WINSIZ-1; j > 0; j--) /* rotate window */ |
281 |
> |
input[i].scan[j] = input[i].scan[j-1]; |
282 |
> |
input[i].scan[0] = st; |
283 |
> |
if (ypos < MIDSCN) /* hit bottom */ |
284 |
> |
continue; |
285 |
> |
if (freadscan(st, xres, input[i].fp) < 0) { |
286 |
> |
eputs(input[i].name); |
287 |
> |
eputs(": read error\n"); |
288 |
|
quit(1); |
289 |
|
} |
290 |
+ |
for (j = 0; j < xres; j++) /* adjust color */ |
291 |
+ |
multcolor(st[j], input[i].coef); |
292 |
|
} |
177 |
– |
efree(scanout); |
293 |
|
} |
294 |
|
|
295 |
|
|
296 |
|
double |
297 |
< |
colin(fn, ci) /* return color value for picture */ |
298 |
< |
register int fn, ci; |
297 |
> |
colin(ci) /* return color value for picture */ |
298 |
> |
register int ci; |
299 |
|
{ |
300 |
< |
if (fn == 0) |
301 |
< |
return((double)nfiles); |
302 |
< |
if (fn < 1 || fn > nfiles) { |
300 |
> |
int n, fn; |
301 |
> |
register int xoff, yoff; |
302 |
> |
double d; |
303 |
> |
|
304 |
> |
fn = (d = argument(1)) - .5; |
305 |
> |
if (d <= -.5 || fn >= nfiles) { |
306 |
|
errno = EDOM; |
307 |
|
return(0.0); |
308 |
|
} |
309 |
< |
return(colval(input[fn-1].scan[xpos],ci)); |
309 |
> |
if (d < .5) |
310 |
> |
return((double)nfiles); |
311 |
> |
xoff = yoff = 0; |
312 |
> |
n = nargum(); |
313 |
> |
if (n >= 2) { |
314 |
> |
d = argument(2); |
315 |
> |
if (d < 0.0) { |
316 |
> |
xoff = d-.5; |
317 |
> |
if (xpos+xoff < 0) |
318 |
> |
xoff = -xpos; |
319 |
> |
} else { |
320 |
> |
xoff = d+.5; |
321 |
> |
if (xpos+xoff >= xres) |
322 |
> |
xoff = xres-1-xpos; |
323 |
> |
} |
324 |
> |
} |
325 |
> |
if (n >= 3) { |
326 |
> |
d = argument(3); |
327 |
> |
if (d < 0.0) { |
328 |
> |
yoff = d-.5; |
329 |
> |
if (yoff+MIDSCN < 0) |
330 |
> |
yoff = -MIDSCN; |
331 |
> |
if (ypos+yoff < 0) |
332 |
> |
yoff = -ypos; |
333 |
> |
} else { |
334 |
> |
yoff = d+.5; |
335 |
> |
if (yoff+MIDSCN >= WINSIZ) |
336 |
> |
yoff = WINSIZ-1-MIDSCN; |
337 |
> |
if (ypos+yoff >= yres) |
338 |
> |
yoff = yres-1-ypos; |
339 |
> |
} |
340 |
> |
} |
341 |
> |
if (ci == BRT) |
342 |
> |
return(bright(input[fn].scan[MIDSCN+yoff][xpos+xoff])); |
343 |
> |
return(colval(input[fn].scan[MIDSCN+yoff][xpos+xoff],ci)); |
344 |
|
} |
345 |
|
|
346 |
|
|
347 |
|
double |
348 |
|
l_redin() /* get red color */ |
349 |
|
{ |
350 |
< |
return(colin((int)(argument(1)+.5), RED)); |
350 |
> |
return(colin(RED)); |
351 |
|
} |
352 |
|
|
353 |
|
|
354 |
|
double |
355 |
|
l_grnin() /* get green color */ |
356 |
|
{ |
357 |
< |
return(colin((int)(argument(1)+.5), GRN)); |
357 |
> |
return(colin(GRN)); |
358 |
|
} |
359 |
|
|
360 |
|
|
361 |
|
double |
362 |
|
l_bluin() /* get blue color */ |
363 |
|
{ |
364 |
< |
return(colin((int)(argument(1)+.5), BLU)); |
364 |
> |
return(colin(BLU)); |
365 |
> |
} |
366 |
> |
|
367 |
> |
|
368 |
> |
double |
369 |
> |
l_brtin() /* get brightness value */ |
370 |
> |
{ |
371 |
> |
return(colin(BRT)); |
372 |
|
} |
373 |
|
|
374 |
|
|