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 |
|
struct { |
26 |
< |
char *name; /* file name */ |
26 |
> |
char *name; /* file or command name */ |
27 |
|
FILE *fp; /* stream pointer */ |
28 |
< |
COLOR *scan; /* input scanline */ |
28 |
> |
COLOR *scan[WINSIZ]; /* input scanline window */ |
29 |
|
COLOR coef; /* coefficient */ |
30 |
+ |
COLOR expos; /* recorded exposure */ |
31 |
|
} input[MAXINP]; /* input pictures */ |
32 |
|
|
33 |
|
int nfiles; /* number of input files */ |
34 |
|
|
35 |
< |
char *vcolin[3] = {"ri", "gi", "bi"}; |
36 |
< |
char *vcolout[3] = {"ro", "go", "bo"}; |
35 |
> |
char vcolin[3][4] = {"ri", "gi", "bi"}; |
36 |
> |
char vcolout[3][4] = {"ro", "go", "bo"}; |
37 |
> |
char vbrtin[] = "li"; |
38 |
> |
char vbrtout[] = "lo"; |
39 |
> |
char vcolexp[3][4] = {"re", "ge", "be"}; |
40 |
> |
char vbrtexp[] = "le"; |
41 |
|
|
42 |
< |
#define vxpos "x" |
43 |
< |
#define vypos "y" |
42 |
> |
char vnfiles[] = "nfiles"; |
43 |
> |
char vxmax[] = "xmax"; |
44 |
> |
char vymax[] = "ymax"; |
45 |
> |
char vxres[] = "xres"; |
46 |
> |
char vyres[] = "yres"; |
47 |
> |
char vxpos[] = "x"; |
48 |
> |
char vypos[] = "y"; |
49 |
|
|
50 |
|
int nowarn = 0; /* no warning messages? */ |
51 |
|
|
52 |
< |
int xres=0, yres=0; /* picture resolution */ |
52 |
> |
int xmax = 0, ymax = 0; /* input resolution */ |
53 |
|
|
54 |
< |
int xpos, ypos; /* picture position */ |
54 |
> |
int xscan, yscan; /* input position */ |
55 |
|
|
56 |
+ |
int xres, yres; /* output resolution */ |
57 |
|
|
58 |
< |
tputs(s) /* put out string preceded by a tab */ |
46 |
< |
char *s; |
47 |
< |
{ |
48 |
< |
putchar('\t'); |
49 |
< |
fputs(s, stdout); |
50 |
< |
} |
58 |
> |
int xpos, ypos; /* output position */ |
59 |
|
|
60 |
+ |
int wrongformat = 0; |
61 |
|
|
62 |
+ |
FILE *popen(); |
63 |
+ |
|
64 |
+ |
|
65 |
|
main(argc, argv) |
66 |
|
int argc; |
67 |
|
char *argv[]; |
68 |
|
{ |
69 |
< |
extern double l_redin(), l_grnin(), l_bluin(), atof(); |
69 |
> |
int original; |
70 |
|
double f; |
71 |
< |
int a; |
72 |
< |
|
73 |
< |
funset(vcolin[RED], 1, l_redin); |
62 |
< |
funset(vcolin[GRN], 1, l_grnin); |
63 |
< |
funset(vcolin[BLU], 1, l_bluin); |
64 |
< |
|
65 |
< |
for (a = 1; a < argc; a++) |
71 |
> |
int a, i; |
72 |
> |
/* scan options */ |
73 |
> |
for (a = 1; a < argc; a++) { |
74 |
|
if (argv[a][0] == '-') |
75 |
|
switch (argv[a][1]) { |
68 |
– |
case '\0': |
69 |
– |
case 's': |
70 |
– |
case 'c': |
71 |
– |
goto getfiles; |
76 |
|
case 'x': |
73 |
– |
xres = atoi(argv[++a]); |
74 |
– |
break; |
77 |
|
case 'y': |
78 |
< |
yres = atoi(argv[++a]); |
79 |
< |
break; |
78 |
> |
a++; |
79 |
> |
continue; |
80 |
|
case 'w': |
81 |
|
nowarn = !nowarn; |
82 |
< |
break; |
82 |
> |
continue; |
83 |
|
case 'f': |
82 |
– |
fcompile(argv[++a]); |
83 |
– |
break; |
84 |
|
case 'e': |
85 |
< |
scompile(NULL, argv[++a]); |
86 |
< |
break; |
87 |
< |
default: |
88 |
< |
goto usage; |
85 |
> |
a++; |
86 |
> |
continue; |
87 |
|
} |
88 |
< |
else |
89 |
< |
break; |
90 |
< |
getfiles: |
91 |
< |
for (nfiles = 0; nfiles < MAXINP; nfiles++) |
88 |
> |
break; |
89 |
> |
} |
90 |
> |
/* process files */ |
91 |
> |
for (nfiles = 0; nfiles < MAXINP; nfiles++) { |
92 |
|
setcolor(input[nfiles].coef, 1.0, 1.0, 1.0); |
93 |
+ |
setcolor(input[nfiles].expos, 1.0, 1.0, 1.0); |
94 |
+ |
} |
95 |
|
nfiles = 0; |
96 |
+ |
original = 0; |
97 |
|
for ( ; a < argc; a++) { |
98 |
|
if (nfiles >= MAXINP) { |
99 |
|
eputs(argv[0]); |
106 |
|
input[nfiles].name = "<stdin>"; |
107 |
|
input[nfiles].fp = stdin; |
108 |
|
break; |
109 |
+ |
case 'o': |
110 |
+ |
original++; |
111 |
+ |
continue; |
112 |
|
case 's': |
113 |
|
f = atof(argv[++a]); |
114 |
|
scalecolor(input[nfiles].coef, f); |
123 |
|
} |
124 |
|
else { |
125 |
|
input[nfiles].name = argv[a]; |
126 |
< |
input[nfiles].fp = fopen(argv[a], "r"); |
126 |
> |
input[nfiles].fp = argv[a][0]=='!' ? |
127 |
> |
popen(argv[a]+1, "r") : |
128 |
> |
fopen(argv[a], "r"); |
129 |
|
if (input[nfiles].fp == NULL) { |
130 |
< |
eputs(argv[a]); |
125 |
< |
eputs(": cannot open\n"); |
130 |
> |
perror(argv[a]); |
131 |
|
quit(1); |
132 |
|
} |
133 |
|
} |
134 |
< |
fputs(input[nfiles].name, stdout); |
135 |
< |
fputs(":\n", stdout); |
136 |
< |
getheader(input[nfiles].fp, tputs); |
137 |
< |
if (fscanf(input[nfiles].fp, "-Y %d +X %d\n", &ypos, &xpos) != 2) { |
138 |
< |
eputs(input[nfiles].name); |
139 |
< |
eputs(": bad picture size\n"); |
140 |
< |
quit(1); |
134 |
> |
checkfile(); |
135 |
> |
if (original) { |
136 |
> |
colval(input[nfiles].coef,RED) /= |
137 |
> |
colval(input[nfiles].expos,RED); |
138 |
> |
colval(input[nfiles].coef,GRN) /= |
139 |
> |
colval(input[nfiles].expos,GRN); |
140 |
> |
colval(input[nfiles].coef,BLU) /= |
141 |
> |
colval(input[nfiles].expos,BLU); |
142 |
|
} |
137 |
– |
if (xres == 0 && yres == 0) { |
138 |
– |
xres = xpos; |
139 |
– |
yres = ypos; |
140 |
– |
} else if (xpos != xres || ypos != yres) { |
141 |
– |
eputs(argv[0]); |
142 |
– |
eputs(": resolution mismatch\n"); |
143 |
– |
quit(1); |
144 |
– |
} |
145 |
– |
input[nfiles].scan = (COLOR *)emalloc(xres*sizeof(COLOR)); |
143 |
|
nfiles++; |
144 |
+ |
original = 0; |
145 |
|
} |
146 |
+ |
init(); /* set constants */ |
147 |
+ |
/* go back and get expressions */ |
148 |
+ |
for (a = 1; a < argc; a++) { |
149 |
+ |
if (argv[a][0] == '-') |
150 |
+ |
switch (argv[a][1]) { |
151 |
+ |
case 'x': |
152 |
+ |
varset(vxres, ':', eval(argv[++a])); |
153 |
+ |
continue; |
154 |
+ |
case 'y': |
155 |
+ |
varset(vyres, ':', eval(argv[++a])); |
156 |
+ |
continue; |
157 |
+ |
case 'w': |
158 |
+ |
continue; |
159 |
+ |
case 'f': |
160 |
+ |
fcompile(argv[++a]); |
161 |
+ |
continue; |
162 |
+ |
case 'e': |
163 |
+ |
scompile(argv[++a], NULL, 0); |
164 |
+ |
continue; |
165 |
+ |
} |
166 |
+ |
break; |
167 |
+ |
} |
168 |
+ |
/* set/get output resolution */ |
169 |
+ |
if (!vardefined(vxres)) |
170 |
+ |
varset(vxres, ':', (double)xmax); |
171 |
+ |
if (!vardefined(vyres)) |
172 |
+ |
varset(vyres, ':', (double)ymax); |
173 |
+ |
xres = varvalue(vxres) + .5; |
174 |
+ |
yres = varvalue(vyres) + .5; |
175 |
+ |
if (xres <= 0 || yres <= 0) { |
176 |
+ |
eputs(argv[0]); |
177 |
+ |
eputs(": illegal output resolution\n"); |
178 |
+ |
quit(1); |
179 |
+ |
} |
180 |
+ |
/* complete header */ |
181 |
|
printargs(argc, argv, stdout); |
182 |
+ |
fputformat(COLRFMT, stdout); |
183 |
|
putchar('\n'); |
184 |
< |
printf("-Y %d +X %d\n", yres, xres); |
184 |
> |
fputresolu(YMAJOR|YDECR, xres, yres, stdout); |
185 |
> |
/* combine pictures */ |
186 |
|
combine(); |
187 |
|
quit(0); |
188 |
|
usage: |
189 |
|
eputs("Usage: "); |
190 |
|
eputs(argv[0]); |
191 |
< |
eputs(" [-w][-x xr][-y yr][-e expr][-f file] [ [-s f][-c r g b] picture ..]\n"); |
191 |
> |
eputs( |
192 |
> |
" [-w][-x xr][-y yr][-e expr][-f file] [ [-s f][-c r g b] pic ..]\n"); |
193 |
|
quit(1); |
194 |
|
} |
195 |
|
|
196 |
|
|
197 |
+ |
tputs(s) /* put out string preceded by a tab */ |
198 |
+ |
char *s; |
199 |
+ |
{ |
200 |
+ |
char fmt[32]; |
201 |
+ |
double d; |
202 |
+ |
COLOR ctmp; |
203 |
+ |
|
204 |
+ |
if (isformat(s)) { /* check format */ |
205 |
+ |
formatval(fmt, s); |
206 |
+ |
wrongformat = strcmp(fmt, COLRFMT); |
207 |
+ |
return; /* don't echo */ |
208 |
+ |
} |
209 |
+ |
if (isexpos(s)) { /* exposure */ |
210 |
+ |
d = exposval(s); |
211 |
+ |
scalecolor(input[nfiles].expos, d); |
212 |
+ |
} else if (iscolcor(s)) { /* color correction */ |
213 |
+ |
colcorval(ctmp, s); |
214 |
+ |
multcolor(input[nfiles].expos, ctmp); |
215 |
+ |
} |
216 |
+ |
/* echo line */ |
217 |
+ |
putchar('\t'); |
218 |
+ |
fputs(s, stdout); |
219 |
+ |
} |
220 |
+ |
|
221 |
+ |
|
222 |
+ |
checkfile() /* ready a file */ |
223 |
+ |
{ |
224 |
+ |
int xinp, yinp; |
225 |
+ |
register int i; |
226 |
+ |
/* process header */ |
227 |
+ |
fputs(input[nfiles].name, stdout); |
228 |
+ |
fputs(":\n", stdout); |
229 |
+ |
getheader(input[nfiles].fp, tputs, NULL); |
230 |
+ |
if (wrongformat) { |
231 |
+ |
eputs(input[nfiles].name); |
232 |
+ |
eputs(": not in Radiance picture format\n"); |
233 |
+ |
quit(1); |
234 |
+ |
} |
235 |
+ |
if (fgetresolu(&xinp, &yinp, input[nfiles].fp) != (YMAJOR|YDECR)) { |
236 |
+ |
eputs(input[nfiles].name); |
237 |
+ |
eputs(": bad picture size\n"); |
238 |
+ |
quit(1); |
239 |
+ |
} |
240 |
+ |
if (xmax == 0 && ymax == 0) { |
241 |
+ |
xmax = xinp; |
242 |
+ |
ymax = yinp; |
243 |
+ |
} else if (xinp != xmax || yinp != ymax) { |
244 |
+ |
eputs(input[nfiles].name); |
245 |
+ |
eputs(": resolution mismatch\n"); |
246 |
+ |
quit(1); |
247 |
+ |
} |
248 |
+ |
/* allocate scanlines */ |
249 |
+ |
for (i = 0; i < WINSIZ; i++) |
250 |
+ |
input[nfiles].scan[i] = (COLOR *)emalloc(xmax*sizeof(COLOR)); |
251 |
+ |
} |
252 |
+ |
|
253 |
+ |
|
254 |
+ |
init() /* perform final setup */ |
255 |
+ |
{ |
256 |
+ |
double l_colin(), l_expos(); |
257 |
+ |
register int i; |
258 |
+ |
/* define constants */ |
259 |
+ |
varset(vnfiles, ':', (double)nfiles); |
260 |
+ |
varset(vxmax, ':', (double)xmax); |
261 |
+ |
varset(vymax, ':', (double)ymax); |
262 |
+ |
/* set functions */ |
263 |
+ |
for (i = 0; i < 3; i++) { |
264 |
+ |
funset(vcolexp[i], 1, ':', l_expos); |
265 |
+ |
funset(vcolin[i], 1, '=', l_colin); |
266 |
+ |
} |
267 |
+ |
funset(vbrtexp, 1, ':', l_expos); |
268 |
+ |
funset(vbrtin, 1, '=', l_colin); |
269 |
+ |
} |
270 |
+ |
|
271 |
+ |
|
272 |
|
combine() /* combine pictures */ |
273 |
|
{ |
274 |
< |
int coldef[3]; |
274 |
> |
EPNODE *coldef[3], *brtdef; |
275 |
|
COLOR *scanout; |
276 |
+ |
double d; |
277 |
|
register int i, j; |
278 |
|
/* check defined variables */ |
279 |
< |
for (j = 0; j < 3; j++) |
280 |
< |
coldef[j] = vardefined(vcolout[j]); |
279 |
> |
for (j = 0; j < 3; j++) { |
280 |
> |
if (vardefined(vcolout[j])) |
281 |
> |
coldef[j] = eparse(vcolout[j]); |
282 |
> |
else |
283 |
> |
coldef[j] = NULL; |
284 |
> |
} |
285 |
> |
if (vardefined(vbrtout)) |
286 |
> |
brtdef = eparse(vbrtout); |
287 |
> |
else |
288 |
> |
brtdef = NULL; |
289 |
|
/* allocate scanline */ |
290 |
|
scanout = (COLOR *)emalloc(xres*sizeof(COLOR)); |
291 |
+ |
/* set input position */ |
292 |
+ |
yscan = ymax+MIDSCN; |
293 |
|
/* combine files */ |
294 |
|
for (ypos = yres-1; ypos >= 0; ypos--) { |
295 |
< |
for (i = 0; i < nfiles; i++) |
296 |
< |
if (freadscan(input[i].scan, xres, input[i].fp) < 0) { |
297 |
< |
eputs(input[i].name); |
298 |
< |
eputs(": read error\n"); |
299 |
< |
quit(1); |
295 |
> |
advance(); |
296 |
> |
varset(vypos, '=', (double)ypos); |
297 |
> |
for (xpos = 0; xpos < xres; xpos++) { |
298 |
> |
xscan = (long)xpos*xmax/xres; |
299 |
> |
varset(vxpos, '=', (double)xpos); |
300 |
> |
eclock++; |
301 |
> |
if (brtdef != NULL) { |
302 |
> |
d = evalue(brtdef); |
303 |
> |
if (d < 0.0) |
304 |
> |
d = 0.0; |
305 |
> |
setcolor(scanout[xpos], d, d, d); |
306 |
> |
} else { |
307 |
> |
for (j = 0; j < 3; j++) { |
308 |
> |
if (coldef[j] != NULL) { |
309 |
> |
d = evalue(coldef[j]); |
310 |
> |
} else { |
311 |
> |
d = 0.0; |
312 |
> |
for (i = 0; i < nfiles; i++) |
313 |
> |
d += colval(input[i].scan[MIDSCN][xscan],j); |
314 |
|
} |
315 |
< |
varset(vypos, (double)ypos); |
316 |
< |
for (xpos = 0; xpos < xres; xpos++) { |
317 |
< |
varset(vxpos, (double)xpos); |
318 |
< |
eclock++; |
183 |
< |
for (j = 0; j < 3; j++) |
184 |
< |
if (coldef[j]) { |
185 |
< |
colval(scanout[xpos],j) = |
186 |
< |
varvalue(vcolout[j]); |
187 |
< |
if (colval(scanout[xpos],j) < 0.0) |
188 |
< |
colval(scanout[xpos],j) = 0.0; |
189 |
< |
} else { |
190 |
< |
colval(scanout[xpos],j) = 0.0; |
191 |
< |
for (i = 0; i < nfiles; i++) |
192 |
< |
colval(scanout[xpos],j) += |
193 |
< |
colval(input[i].coef,j) * |
194 |
< |
colval(input[i].scan[xpos],j); |
195 |
< |
} |
315 |
> |
if (d < 0.0) |
316 |
> |
d = 0.0; |
317 |
> |
colval(scanout[xpos],j) = d; |
318 |
> |
} |
319 |
|
} |
320 |
< |
if (fwritescan(scanout, xres, stdout) < 0) { |
321 |
< |
eputs("write error\n"); |
322 |
< |
quit(1); |
323 |
< |
} |
320 |
> |
} |
321 |
> |
if (fwritescan(scanout, xres, stdout) < 0) { |
322 |
> |
perror("write error"); |
323 |
> |
quit(1); |
324 |
> |
} |
325 |
|
} |
326 |
|
efree(scanout); |
327 |
|
} |
328 |
|
|
329 |
|
|
330 |
< |
double |
207 |
< |
colin(fn, ci) /* return color value for picture */ |
208 |
< |
register int fn, ci; |
330 |
> |
advance() /* read in data for next scanline */ |
331 |
|
{ |
332 |
< |
if (fn == 0) |
333 |
< |
return((double)nfiles); |
334 |
< |
if (fn < 1 || fn > nfiles) { |
213 |
< |
errno = EDOM; |
214 |
< |
return(0.0); |
215 |
< |
} |
216 |
< |
return(colval(input[fn-1].scan[xpos],ci)); |
217 |
< |
} |
332 |
> |
int ytarget; |
333 |
> |
register COLOR *st; |
334 |
> |
register int i, j; |
335 |
|
|
336 |
< |
|
337 |
< |
double |
338 |
< |
l_redin() /* get red color */ |
339 |
< |
{ |
340 |
< |
return(colin((int)(argument(1)+.5), RED)); |
336 |
> |
for (ytarget = (long)ypos*ymax/yres; yscan > ytarget; yscan--) |
337 |
> |
for (i = 0; i < nfiles; i++) { |
338 |
> |
st = input[i].scan[WINSIZ-1]; |
339 |
> |
for (j = WINSIZ-1; j > 0; j--) /* rotate window */ |
340 |
> |
input[i].scan[j] = input[i].scan[j-1]; |
341 |
> |
input[i].scan[0] = st; |
342 |
> |
if (yscan <= MIDSCN) /* hit bottom? */ |
343 |
> |
continue; |
344 |
> |
if (freadscan(st, xmax, input[i].fp) < 0) { /* read */ |
345 |
> |
eputs(input[i].name); |
346 |
> |
eputs(": read error\n"); |
347 |
> |
quit(1); |
348 |
> |
} |
349 |
> |
for (j = 0; j < xmax; j++) /* adjust color */ |
350 |
> |
multcolor(st[j], input[i].coef); |
351 |
> |
} |
352 |
|
} |
353 |
|
|
354 |
|
|
355 |
|
double |
356 |
< |
l_grnin() /* get green color */ |
356 |
> |
l_expos(nam) /* return picture exposure */ |
357 |
> |
register char *nam; |
358 |
|
{ |
359 |
< |
return(colin((int)(argument(1)+.5), GRN)); |
359 |
> |
register int fn, n; |
360 |
> |
|
361 |
> |
fn = argument(1) - .5; |
362 |
> |
if (fn < 0 || fn >= nfiles) |
363 |
> |
return(1.0); |
364 |
> |
if (nam == vbrtexp) |
365 |
> |
return(bright(input[fn].expos)); |
366 |
> |
n = 3; |
367 |
> |
while (n--) |
368 |
> |
if (nam == vcolexp[n]) |
369 |
> |
return(colval(input[fn].expos,n)); |
370 |
> |
eputs("Bad call to l_expos()!\n"); |
371 |
> |
quit(1); |
372 |
|
} |
373 |
|
|
374 |
|
|
375 |
|
double |
376 |
< |
l_bluin() /* get blue color */ |
376 |
> |
l_colin(nam) /* return color value for picture */ |
377 |
> |
register char *nam; |
378 |
|
{ |
379 |
< |
return(colin((int)(argument(1)+.5), BLU)); |
379 |
> |
int fn; |
380 |
> |
register int n, xoff, yoff; |
381 |
> |
double d; |
382 |
> |
|
383 |
> |
d = argument(1); |
384 |
> |
if (d > -.5 && d < .5) |
385 |
> |
return((double)nfiles); |
386 |
> |
fn = d - .5; |
387 |
> |
if (fn < 0 || fn >= nfiles) { |
388 |
> |
errno = EDOM; |
389 |
> |
return(0.0); |
390 |
> |
} |
391 |
> |
xoff = yoff = 0; |
392 |
> |
n = nargum(); |
393 |
> |
if (n >= 2) { |
394 |
> |
d = argument(2); |
395 |
> |
if (d < 0.0) { |
396 |
> |
xoff = d-.5; |
397 |
> |
if (xscan+xoff < 0) |
398 |
> |
xoff = -xscan; |
399 |
> |
} else { |
400 |
> |
xoff = d+.5; |
401 |
> |
if (xscan+xoff >= xmax) |
402 |
> |
xoff = xmax-1-xscan; |
403 |
> |
} |
404 |
> |
} |
405 |
> |
if (n >= 3) { |
406 |
> |
d = argument(3); |
407 |
> |
if (d < 0.0) { |
408 |
> |
yoff = d-.5; |
409 |
> |
if (yoff+MIDSCN < 0) |
410 |
> |
yoff = -MIDSCN; |
411 |
> |
if (yscan+yoff < 0) |
412 |
> |
yoff = -yscan; |
413 |
> |
} else { |
414 |
> |
yoff = d+.5; |
415 |
> |
if (yoff+MIDSCN >= WINSIZ) |
416 |
> |
yoff = WINSIZ-1-MIDSCN; |
417 |
> |
if (yscan+yoff >= ymax) |
418 |
> |
yoff = ymax-1-yscan; |
419 |
> |
} |
420 |
> |
} |
421 |
> |
if (nam == vbrtin) |
422 |
> |
return(bright(input[fn].scan[MIDSCN+yoff][xscan+xoff])); |
423 |
> |
n = 3; |
424 |
> |
while (n--) |
425 |
> |
if (nam == vcolin[n]) |
426 |
> |
return(colval(input[fn].scan[MIDSCN+yoff][xscan+xoff],n)); |
427 |
> |
eputs("Bad call to l_colin()!\n"); |
428 |
> |
quit(1); |
429 |
|
} |
430 |
|
|
431 |
|
|