7 |
|
* 1/4/89 |
8 |
|
*/ |
9 |
|
|
10 |
– |
#include "standard.h" |
10 |
|
#include "platform.h" |
11 |
+ |
#include "standard.h" |
12 |
+ |
#include "paths.h" |
13 |
|
#include "color.h" |
14 |
|
#include "calcomp.h" |
15 |
|
#include "view.h" |
16 |
|
|
17 |
< |
#define MAXINP 32 /* maximum number of input files */ |
18 |
< |
#define WINSIZ 64 /* scanline window size */ |
17 |
> |
#define MAXINP 1024 /* maximum number of input files */ |
18 |
> |
#define WINSIZ 127 /* scanline window size */ |
19 |
|
#define MIDSCN ((WINSIZ-1)/2+1) |
20 |
|
|
21 |
|
struct { |
23 |
|
FILE *fp; /* stream pointer */ |
24 |
|
VIEW vw; /* view for picture */ |
25 |
|
RESOLU rs; /* image resolution and orientation */ |
26 |
+ |
int infloat; /* input is floating point (#comp)? */ |
27 |
|
float pa; /* pixel aspect ratio */ |
28 |
|
COLOR *scan[WINSIZ]; /* input scanline window */ |
29 |
|
COLOR coef; /* coefficient */ |
32 |
|
|
33 |
|
int nfiles; /* number of input files */ |
34 |
|
|
35 |
< |
char ourfmt[LPICFMT+1] = PICFMT; /* input picture format */ |
35 |
> |
VIEW *commvp = NULL; /* common view parameters */ |
36 |
|
|
37 |
+ |
char ourfmt[MAXFMTLEN] = PICFMT; /* input picture format */ |
38 |
+ |
int outfloat = 0; /* #component float output? */ |
39 |
+ |
|
40 |
+ |
char StandardInput[] = "<stdin>"; |
41 |
|
char Command[] = "<Command>"; |
42 |
|
char vcolin[3][4] = {"ri", "gi", "bi"}; |
43 |
|
char vcolout[3][4] = {"ro", "go", "bo"}; |
72 |
|
|
73 |
|
char *progname; /* global argv[0] */ |
74 |
|
|
75 |
+ |
int echoheader = 1; |
76 |
|
int wrongformat = 0; |
77 |
|
int gotview; |
78 |
|
|
72 |
– |
FILE *popen(); |
79 |
|
|
80 |
< |
extern char *emalloc(); |
80 |
> |
static gethfunc headline; |
81 |
> |
static void checkfile(int orig); |
82 |
> |
static double rgb_bright(COLOR clr); |
83 |
> |
static double xyz_bright(COLOR clr); |
84 |
> |
static void init(void); |
85 |
> |
static void combine(void); |
86 |
> |
static void advance(void); |
87 |
> |
static double l_expos(char *nam); |
88 |
> |
static double l_pixaspect(char *nm); |
89 |
> |
static double l_colin(char *nam); |
90 |
> |
static double l_ray(char *nam); |
91 |
> |
static double l_psize(char *nm); |
92 |
|
|
93 |
|
|
94 |
< |
main(argc, argv) |
95 |
< |
int argc; |
96 |
< |
char *argv[]; |
94 |
> |
int |
95 |
> |
main( |
96 |
> |
int argc, |
97 |
> |
char *argv[] |
98 |
> |
) |
99 |
|
{ |
100 |
|
int original; |
101 |
|
double f; |
102 |
< |
int a, i; |
102 |
> |
int a; |
103 |
> |
|
104 |
|
SET_DEFAULT_BINARY(); |
105 |
|
SET_FILE_BINARY(stdin); |
106 |
|
SET_FILE_BINARY(stdout); |
107 |
|
progname = argv[0]; |
108 |
+ |
esupport |= E_VARIABLE|E_FUNCTION|E_RCONST; |
109 |
+ |
esupport &= ~(E_OUTCHAN|E_INCHAN); |
110 |
|
/* scan options */ |
111 |
|
for (a = 1; a < argc; a++) { |
112 |
|
if (argv[a][0] == '-') |
118 |
|
case 'w': |
119 |
|
nowarn = !nowarn; |
120 |
|
continue; |
121 |
+ |
case 'h': |
122 |
+ |
echoheader = !echoheader; |
123 |
+ |
continue; |
124 |
|
case 'f': |
125 |
+ |
if (argv[a][2]) { |
126 |
+ |
outfloat = (argv[a][2] == 'f'); |
127 |
+ |
continue; |
128 |
+ |
} |
129 |
+ |
/* fall through */ |
130 |
|
case 'e': |
131 |
|
a++; |
132 |
|
continue; |
153 |
|
if (argv[a][0] == '-') |
154 |
|
switch (argv[a][1]) { |
155 |
|
case '\0': |
156 |
< |
input[nfiles].name = "<stdin>"; |
156 |
> |
input[nfiles].name = StandardInput; |
157 |
|
input[nfiles].fp = stdin; |
158 |
|
break; |
159 |
|
case 'o': |
184 |
|
quit(1); |
185 |
|
} |
186 |
|
} |
187 |
< |
checkfile(); |
158 |
< |
if (original) { |
159 |
< |
colval(input[nfiles].coef,RED) /= |
160 |
< |
colval(input[nfiles].expos,RED); |
161 |
< |
colval(input[nfiles].coef,GRN) /= |
162 |
< |
colval(input[nfiles].expos,GRN); |
163 |
< |
colval(input[nfiles].coef,BLU) /= |
164 |
< |
colval(input[nfiles].expos,BLU); |
165 |
< |
setcolor(input[nfiles].expos, 1.0, 1.0, 1.0); |
166 |
< |
} |
187 |
> |
checkfile(original); |
188 |
|
nfiles++; |
189 |
|
original = 0; |
190 |
|
} |
191 |
|
init(); /* set constants */ |
192 |
|
/* go back and get expressions */ |
193 |
|
for (a = 1; a < argc; a++) { |
194 |
+ |
char *fpath; |
195 |
|
if (argv[a][0] == '-') |
196 |
|
switch (argv[a][1]) { |
197 |
|
case 'x': |
202 |
|
continue; |
203 |
|
case 'w': |
204 |
|
continue; |
205 |
+ |
case 'h': |
206 |
+ |
continue; |
207 |
|
case 'f': |
208 |
< |
fcompile(argv[++a]); |
208 |
> |
if (argv[a][2]) |
209 |
> |
continue; |
210 |
> |
fpath = getpath(argv[++a], getrlibpath(), 0); |
211 |
> |
if (fpath == NULL) { |
212 |
> |
eputs(argv[0]); |
213 |
> |
eputs(": cannot find file '"); |
214 |
> |
eputs(argv[a]); |
215 |
> |
eputs("'\n"); |
216 |
> |
quit(1); |
217 |
> |
} |
218 |
> |
fcompile(fpath); |
219 |
|
continue; |
220 |
|
case 'e': |
221 |
|
scompile(argv[++a], NULL, 0); |
223 |
|
} |
224 |
|
break; |
225 |
|
} |
226 |
< |
/* set/get output resolution */ |
193 |
< |
if (!vardefined(vxres)) |
194 |
< |
varset(vxres, ':', (double)xmax); |
195 |
< |
if (!vardefined(vyres)) |
196 |
< |
varset(vyres, ':', (double)ymax); |
226 |
> |
/* get output resolution */ |
227 |
|
xres = varvalue(vxres) + .5; |
228 |
|
yres = varvalue(vyres) + .5; |
229 |
|
if (xres <= 0 || yres <= 0) { |
231 |
|
eputs(": illegal output resolution\n"); |
232 |
|
quit(1); |
233 |
|
} |
234 |
< |
/* complete header */ |
235 |
< |
printargs(argc, argv, stdout); |
236 |
< |
if (strcmp(ourfmt, PICFMT)) |
237 |
< |
fputformat(ourfmt, stdout); /* print format if known */ |
238 |
< |
putchar('\n'); |
239 |
< |
fprtresolu(xres, yres, stdout); |
240 |
< |
/* combine pictures */ |
241 |
< |
combine(); |
234 |
> |
if (!vardefined(vbrtout)) /* single or 3-channel? */ |
235 |
> |
outfloat *= 3; |
236 |
> |
|
237 |
> |
printargs(argc, argv, stdout); /* complete header */ |
238 |
> |
if (commvp != NULL) { |
239 |
> |
fputs(VIEWSTR, stdout); |
240 |
> |
fprintview(commvp, stdout); |
241 |
> |
fputc('\n', stdout); |
242 |
> |
} |
243 |
> |
if (outfloat) { /* print format if known */ |
244 |
> |
printf("NROWS=%d\nNCOLS=%d\n", yres, xres); |
245 |
> |
fputncomp(outfloat, stdout); |
246 |
> |
fputendian(stdout); |
247 |
> |
fputformat("float", stdout); |
248 |
> |
} else if (strcmp(ourfmt, PICFMT)) |
249 |
> |
fputformat(ourfmt, stdout); |
250 |
> |
fputc('\n', stdout); /* end header */ |
251 |
> |
if (!outfloat) |
252 |
> |
fprtresolu(xres, yres, stdout); |
253 |
> |
|
254 |
> |
combine(); /* combine pictures */ |
255 |
|
quit(0); |
256 |
|
usage: |
257 |
|
eputs("Usage: "); |
258 |
|
eputs(argv[0]); |
259 |
|
eputs( |
260 |
< |
" [-w][-x xr][-y yr][-e expr][-f file] [ [-o][-s f][-c r g b] pic ..]\n"); |
260 |
> |
" [-w][-h][-ff][-x xr][-y yr][-e expr][-f file] [ [-o][-s f][-c r g b] hdr ..]\n"); |
261 |
|
quit(1); |
262 |
+ |
return 1; /* pro forma return */ |
263 |
|
} |
264 |
|
|
265 |
|
|
266 |
< |
tabputs(s) /* put out string preceded by a tab */ |
267 |
< |
char *s; |
266 |
> |
static int |
267 |
> |
headline( /* check header line & echo if requested */ |
268 |
> |
char *s, |
269 |
> |
void *p |
270 |
> |
) |
271 |
|
{ |
272 |
< |
char fmt[32]; |
272 |
> |
int orig = *(int *)p; |
273 |
> |
char fmt[MAXFMTLEN]; |
274 |
|
double d; |
275 |
+ |
int bigend; |
276 |
|
COLOR ctmp; |
277 |
|
|
278 |
|
if (isheadid(s)) /* header id */ |
281 |
|
if (globmatch(ourfmt, fmt)) { |
282 |
|
wrongformat = 0; |
283 |
|
strcpy(ourfmt, fmt); |
284 |
< |
} else |
284 |
> |
} else if (!strcmp("float", fmt)) |
285 |
> |
input[nfiles].infloat *= -1; |
286 |
> |
else |
287 |
|
wrongformat = globmatch(PICFMT, fmt) ? 1 : -1; |
288 |
|
return(0); /* don't echo */ |
289 |
|
} |
290 |
< |
if (isexpos(s)) { /* exposure */ |
290 |
> |
if ((bigend = isbigendian(s)) >= 0) { |
291 |
> |
if (bigend != nativebigendian()) { |
292 |
> |
eputs(input[nfiles].name); |
293 |
> |
eputs(": unsupported input byte ordering\n"); |
294 |
> |
quit(1); |
295 |
> |
} |
296 |
> |
return(0); /* don't echo */ |
297 |
> |
} |
298 |
> |
if (!strncmp("NROWS=", s, 6)) { /* X-resolution */ |
299 |
> |
input[nfiles].rs.yr = atoi(s+6); |
300 |
> |
return(0); /* don't echo */ |
301 |
> |
} |
302 |
> |
if (!strncmp("NCOLS=", s, 6)) { /* Y-resolution */ |
303 |
> |
input[nfiles].rs.xr = atoi(s+6); |
304 |
> |
return(0); /* don't echo */ |
305 |
> |
} |
306 |
> |
if (isncomp(s)) /* # components */ |
307 |
> |
input[nfiles].infloat *= ncompval(s); |
308 |
> |
|
309 |
> |
if (orig) { /* undo exposure? */ |
310 |
> |
if (isexpos(s)) { |
311 |
> |
d = 1./exposval(s); |
312 |
> |
scalecolor(input[nfiles].coef, d); |
313 |
> |
return(0); /* don't echo */ |
314 |
> |
} |
315 |
> |
if (iscolcor(s)) { |
316 |
> |
int i; |
317 |
> |
colcorval(ctmp, s); |
318 |
> |
for (i = 3; i--; ) |
319 |
> |
colval(input[nfiles].coef,i) /= colval(ctmp,i); |
320 |
> |
return(0); /* don't echo */ |
321 |
> |
} |
322 |
> |
} else if (isexpos(s)) { /* record exposure? */ |
323 |
|
d = exposval(s); |
324 |
|
scalecolor(input[nfiles].expos, d); |
325 |
< |
} else if (iscolcor(s)) { /* color correction */ |
325 |
> |
} else if (iscolcor(s)) { |
326 |
|
colcorval(ctmp, s); |
327 |
|
multcolor(input[nfiles].expos, ctmp); |
328 |
< |
} else if (isaspect(s)) |
328 |
> |
} |
329 |
> |
if (isaspect(s)) |
330 |
|
input[nfiles].pa *= aspectval(s); |
331 |
|
else if (isview(s) && sscanview(&input[nfiles].vw, s) > 0) |
332 |
|
gotview++; |
333 |
< |
/* echo line */ |
334 |
< |
putchar('\t'); |
335 |
< |
return(fputs(s, stdout)); |
333 |
> |
|
334 |
> |
if (echoheader) { /* echo line */ |
335 |
> |
putchar('\t'); |
336 |
> |
return(fputs(s, stdout)); |
337 |
> |
} |
338 |
> |
return(0); |
339 |
|
} |
340 |
|
|
341 |
|
|
342 |
< |
checkfile() /* ready a file */ |
342 |
> |
static void |
343 |
> |
checkfile(int orig) /* ready a file */ |
344 |
|
{ |
345 |
< |
register int i; |
345 |
> |
int i; |
346 |
|
/* process header */ |
347 |
|
gotview = 0; |
348 |
< |
fputs(input[nfiles].name, stdout); |
349 |
< |
fputs(":\n", stdout); |
350 |
< |
getheader(input[nfiles].fp, tabputs, NULL); |
348 |
> |
input[nfiles].infloat = -1; |
349 |
> |
input[nfiles].rs.rt = PIXSTANDARD; |
350 |
> |
input[nfiles].rs.xr = input[nfiles].rs.yr = 0; |
351 |
> |
if (echoheader) { |
352 |
> |
fputs(input[nfiles].name, stdout); |
353 |
> |
fputs(":\n", stdout); |
354 |
> |
} |
355 |
> |
getheader(input[nfiles].fp, headline, &orig); |
356 |
> |
|
357 |
> |
if (input[nfiles].infloat <= 0) |
358 |
> |
input[nfiles].infloat = 0; |
359 |
> |
else if ((input[nfiles].infloat != 3) & |
360 |
> |
(input[nfiles].infloat != 1)) { |
361 |
> |
eputs(input[nfiles].name); |
362 |
> |
eputs(": unsupported number of components\n"); |
363 |
> |
quit(1); |
364 |
> |
} |
365 |
|
if (wrongformat < 0) { |
366 |
|
eputs(input[nfiles].name); |
367 |
< |
eputs(": not a Radiance picture\n"); |
367 |
> |
eputs(": not a Radiance picture or float matrix\n"); |
368 |
|
quit(1); |
369 |
|
} |
370 |
|
if (wrongformat > 0) { |
373 |
|
} |
374 |
|
if (!gotview || setview(&input[nfiles].vw) != NULL) |
375 |
|
input[nfiles].vw.type = 0; |
376 |
< |
if (!fgetsresolu(&input[nfiles].rs, input[nfiles].fp)) { |
376 |
> |
else if (commvp == NULL) |
377 |
> |
commvp = &input[nfiles].vw; |
378 |
> |
if ((input[nfiles].rs.xr <= 0) | (input[nfiles].rs.yr <= 0) && |
379 |
> |
!fgetsresolu(&input[nfiles].rs, input[nfiles].fp)) { |
380 |
|
eputs(input[nfiles].name); |
381 |
|
eputs(": bad picture size\n"); |
382 |
|
quit(1); |
396 |
|
} |
397 |
|
|
398 |
|
|
399 |
< |
double |
400 |
< |
rgb_bright(clr) |
401 |
< |
COLOR clr; |
399 |
> |
static double |
400 |
> |
rgb_bright( |
401 |
> |
COLOR clr |
402 |
> |
) |
403 |
|
{ |
404 |
|
return(bright(clr)); |
405 |
|
} |
406 |
|
|
407 |
|
|
408 |
< |
double |
409 |
< |
xyz_bright(clr) |
410 |
< |
COLOR clr; |
408 |
> |
static double |
409 |
> |
xyz_bright( |
410 |
> |
COLOR clr |
411 |
> |
) |
412 |
|
{ |
413 |
|
return(clr[CIEY]); |
414 |
|
} |
417 |
|
double (*ourbright)() = rgb_bright; |
418 |
|
|
419 |
|
|
420 |
< |
init() /* perform final setup */ |
420 |
> |
static void |
421 |
> |
init(void) /* perform final setup */ |
422 |
|
{ |
423 |
< |
double l_colin(), l_expos(), l_pixaspect(), l_ray(), l_psize(); |
316 |
< |
register int i; |
423 |
> |
int i; |
424 |
|
/* define constants */ |
425 |
|
varset("PI", ':', PI); |
426 |
|
varset(vnfiles, ':', (double)nfiles); |
443 |
|
ourbright = xyz_bright; |
444 |
|
} else |
445 |
|
varset(vwhteff, ':', WHTEFFICACY); |
446 |
+ |
/* these may be overridden */ |
447 |
+ |
varset(vxres, ':', (double)xmax); |
448 |
+ |
varset(vyres, ':', (double)ymax); |
449 |
|
} |
450 |
|
|
451 |
|
|
452 |
< |
combine() /* combine pictures */ |
452 |
> |
static void |
453 |
> |
combine(void) /* combine pictures */ |
454 |
|
{ |
455 |
|
EPNODE *coldef[3], *brtdef; |
456 |
+ |
int set_x, set_y; |
457 |
|
COLOR *scanout; |
458 |
|
double d; |
459 |
< |
register int i, j; |
459 |
> |
int i, j; |
460 |
|
/* check defined variables */ |
461 |
|
for (j = 0; j < 3; j++) { |
462 |
|
if (vardefined(vcolout[j])) |
468 |
|
brtdef = eparse(vbrtout); |
469 |
|
else |
470 |
|
brtdef = NULL; |
471 |
+ |
/* what to set */ |
472 |
+ |
set_x = varlookup(vxpos) != NULL && !vardefined(vxpos); |
473 |
+ |
set_y = varlookup(vypos) != NULL && !vardefined(vypos); |
474 |
|
/* allocate scanline */ |
475 |
|
scanout = (COLOR *)emalloc(xres*sizeof(COLOR)); |
476 |
|
/* set input position */ |
478 |
|
/* combine files */ |
479 |
|
for (ypos = yres-1; ypos >= 0; ypos--) { |
480 |
|
advance(); |
481 |
< |
varset(vypos, '=', (double)ypos); |
481 |
> |
if (set_y) varset(vypos, '=', (double)ypos); |
482 |
|
for (xpos = 0; xpos < xres; xpos++) { |
483 |
< |
xscan = (long)xpos*xmax/xres; |
484 |
< |
varset(vxpos, '=', (double)xpos); |
483 |
> |
xscan = (xpos+.5)*xmax/xres; |
484 |
> |
if (set_x) varset(vxpos, '=', (double)xpos); |
485 |
|
eclock++; |
486 |
|
if (brtdef != NULL) { |
487 |
|
d = evalue(brtdef); |
488 |
< |
if (d < 0.0) |
374 |
< |
d = 0.0; |
488 |
> |
d *= (outfloat > 0) | (d >= 0); |
489 |
|
setcolor(scanout[xpos], d, d, d); |
490 |
|
} else { |
491 |
|
for (j = 0; j < 3; j++) { |
496 |
|
for (i = 0; i < nfiles; i++) |
497 |
|
d += colval(input[i].scan[MIDSCN][xscan],j); |
498 |
|
} |
499 |
< |
if (d < 0.0) |
386 |
< |
d = 0.0; |
499 |
> |
d *= (outfloat > 0) | (d >= 0); |
500 |
|
colval(scanout[xpos],j) = d; |
501 |
|
} |
502 |
|
} |
503 |
|
} |
504 |
< |
if (fwritescan(scanout, xres, stdout) < 0) { |
505 |
< |
perror("write error"); |
506 |
< |
quit(1); |
504 |
> |
switch (outfloat) { |
505 |
> |
case 3: /* writing out float triplets */ |
506 |
> |
if (fwrite(scanout, sizeof(float)*3, xres, stdout) != xres) |
507 |
> |
goto writerr; |
508 |
> |
break; |
509 |
> |
case 1: /* writing out gray float values */ |
510 |
> |
for (xpos = 0; xpos < xres; xpos++) |
511 |
> |
if (putbinary(&scanout[xpos][CIEY], |
512 |
> |
sizeof(float), 1, stdout) != 1) |
513 |
> |
goto writerr; |
514 |
> |
break; |
515 |
> |
default: /* writing out Radiance picture */ |
516 |
> |
if (fwritescan(scanout, xres, stdout) < 0) |
517 |
> |
goto writerr; |
518 |
> |
break; |
519 |
|
} |
520 |
|
} |
521 |
|
efree((char *)scanout); |
522 |
+ |
return; |
523 |
+ |
writerr: |
524 |
+ |
perror("write error"); |
525 |
+ |
quit(1); |
526 |
|
} |
527 |
|
|
528 |
|
|
529 |
< |
advance() /* read in data for next scanline */ |
529 |
> |
static void |
530 |
> |
advance(void) /* read in data for next scanline */ |
531 |
|
{ |
532 |
|
int ytarget; |
533 |
< |
register COLOR *st; |
534 |
< |
register int i, j; |
533 |
> |
COLOR *st; |
534 |
> |
int i, j; |
535 |
|
|
536 |
< |
for (ytarget = (long)ypos*ymax/yres; yscan > ytarget; yscan--) |
536 |
> |
for (ytarget = (ypos+.5)*ymax/yres; yscan > ytarget; yscan--) |
537 |
|
for (i = 0; i < nfiles; i++) { |
538 |
|
st = input[i].scan[WINSIZ-1]; |
539 |
|
for (j = WINSIZ-1; j > 0; j--) /* rotate window */ |
541 |
|
input[i].scan[0] = st; |
542 |
|
if (yscan <= MIDSCN) /* hit bottom? */ |
543 |
|
continue; |
544 |
< |
if (freadscan(st, xmax, input[i].fp) < 0) { /* read */ |
545 |
< |
eputs(input[i].name); |
546 |
< |
eputs(": read error\n"); |
547 |
< |
quit(1); |
548 |
< |
} |
549 |
< |
if (fabs(colval(input[i].coef,RED)-1.0) > 1e-3 || |
550 |
< |
fabs(colval(input[i].coef,GRN)-1.0) > 1e-3 || |
551 |
< |
fabs(colval(input[i].coef,BLU)-1.0) > 1e-3) |
552 |
< |
for (j = 0; j < xmax; j++) /* adjust color */ |
553 |
< |
multcolor(st[j], input[i].coef); |
544 |
> |
/* read scanline */ |
545 |
> |
if (input[i].infloat) { |
546 |
> |
if (fread(st, sizeof(float)*input[i].infloat, |
547 |
> |
xmax, input[i].fp) != xmax) |
548 |
> |
goto readerr; |
549 |
> |
if (input[i].infloat == 1) { |
550 |
> |
const COLORV *f = st[0] + xmax; |
551 |
> |
int x = xmax; |
552 |
> |
while (x-- > 0) |
553 |
> |
st[x][BLU] = st[x][GRN] = |
554 |
> |
st[x][RED] = *--f; |
555 |
> |
} |
556 |
> |
} else if (freadscan(st, xmax, input[i].fp) < 0) |
557 |
> |
goto readerr; |
558 |
> |
for (j = 0; j < xmax; j++) /* adjust color */ |
559 |
> |
multcolor(st[j], input[i].coef); |
560 |
|
} |
561 |
+ |
return; |
562 |
+ |
readerr: |
563 |
+ |
eputs(input[i].name); |
564 |
+ |
eputs(": read error\n"); |
565 |
+ |
quit(1); |
566 |
|
} |
567 |
|
|
568 |
|
|
569 |
< |
double |
570 |
< |
l_expos(nam) /* return picture exposure */ |
571 |
< |
register char *nam; |
569 |
> |
static double |
570 |
> |
l_expos( /* return picture exposure */ |
571 |
> |
char *nam |
572 |
> |
) |
573 |
|
{ |
574 |
< |
register int fn, n; |
574 |
> |
int fn, n; |
575 |
> |
double d; |
576 |
|
|
577 |
< |
fn = argument(1) - .5; |
578 |
< |
if (fn < 0 || fn >= nfiles) |
579 |
< |
return(1.0); |
577 |
> |
d = argument(1); |
578 |
> |
if (d <= -0.5 || d >= nfiles+0.5) { |
579 |
> |
errno = EDOM; |
580 |
> |
return(0.0); |
581 |
> |
} |
582 |
> |
if (d < 0.5) |
583 |
> |
return((double)nfiles); |
584 |
> |
fn = d - 0.5; |
585 |
|
if (nam == vbrtexp) |
586 |
|
return((*ourbright)(input[fn].expos)); |
587 |
|
n = 3; |
590 |
|
return(colval(input[fn].expos,n)); |
591 |
|
eputs("Bad call to l_expos()!\n"); |
592 |
|
quit(1); |
593 |
+ |
return 1; /* pro forma return */ |
594 |
|
} |
595 |
|
|
596 |
|
|
597 |
< |
double |
598 |
< |
l_pixaspect() /* return pixel aspect ratio */ |
597 |
> |
static double |
598 |
> |
l_pixaspect(char *nm) /* return pixel aspect ratio */ |
599 |
|
{ |
600 |
< |
register int fn; |
600 |
> |
int fn; |
601 |
> |
double d; |
602 |
|
|
603 |
< |
fn = argument(1) - .5; |
604 |
< |
if (fn < 0 || fn >= nfiles) |
605 |
< |
return(1.0); |
603 |
> |
d = argument(1); |
604 |
> |
if (d <= -0.5 || d >= nfiles+0.5) { |
605 |
> |
errno = EDOM; |
606 |
> |
return(0.0); |
607 |
> |
} |
608 |
> |
if (d < 0.5) |
609 |
> |
return((double)nfiles); |
610 |
> |
fn = d - 0.5; |
611 |
|
return(input[fn].pa); |
612 |
|
} |
613 |
|
|
614 |
|
|
615 |
< |
double |
616 |
< |
l_colin(nam) /* return color value for picture */ |
617 |
< |
register char *nam; |
615 |
> |
static double |
616 |
> |
l_colin( /* return color value for picture */ |
617 |
> |
char *nam |
618 |
> |
) |
619 |
|
{ |
620 |
|
int fn; |
621 |
< |
register int n, xoff, yoff; |
621 |
> |
int n, xoff, yoff; |
622 |
|
double d; |
623 |
|
|
624 |
< |
fn = argument(1) - .5; |
625 |
< |
if (fn < 0 || fn >= nfiles) { |
624 |
> |
d = argument(1); |
625 |
> |
if (d <= -0.5 || d >= nfiles+0.5) { |
626 |
|
errno = EDOM; |
627 |
|
return(0.0); |
628 |
|
} |
629 |
+ |
if (d < 0.5) |
630 |
+ |
return((double)nfiles); |
631 |
+ |
fn = d - 0.5; |
632 |
|
xoff = yoff = 0; |
633 |
|
n = nargum(); |
634 |
|
if (n >= 2) { |
667 |
|
return(colval(input[fn].scan[MIDSCN+yoff][xscan+xoff],n)); |
668 |
|
eputs("Bad call to l_colin()!\n"); |
669 |
|
quit(1); |
670 |
+ |
return 1; /* pro forma return */ |
671 |
|
} |
672 |
|
|
673 |
|
|
674 |
< |
double |
675 |
< |
l_ray(nam) /* return ray origin or direction */ |
676 |
< |
register char *nam; |
674 |
> |
static double |
675 |
> |
l_ray( /* return ray origin or direction */ |
676 |
> |
char *nam |
677 |
> |
) |
678 |
|
{ |
679 |
|
static unsigned long ltick[MAXINP]; |
680 |
|
static FVECT lorg[MAXINP], ldir[MAXINP]; |
681 |
|
static double ldist[MAXINP]; |
682 |
|
RREAL loc[2]; |
683 |
+ |
double d; |
684 |
|
int fn; |
685 |
< |
register int i; |
685 |
> |
int i; |
686 |
|
|
687 |
< |
fn = argument(1) - .5; |
688 |
< |
if (fn < 0 || fn >= nfiles) { |
687 |
> |
d = argument(1); |
688 |
> |
if (d <= -0.5 || d >= nfiles+0.5) { |
689 |
|
errno = EDOM; |
690 |
|
return(0.0); |
691 |
|
} |
692 |
+ |
if (d < 0.5) |
693 |
+ |
return((double)nfiles); |
694 |
+ |
fn = d - 0.5; |
695 |
|
if (ltick[fn] != eclock) { /* need to compute? */ |
696 |
< |
lorg[fn][0] = lorg[fn][1] = lorg[fn][2] = 0.0; |
697 |
< |
ldir[fn][0] = ldir[fn][1] = ldir[fn][2] = 0.0; |
698 |
< |
ldist[fn] = -1.0; |
699 |
< |
if (input[fn].vw.type == 0) |
696 |
> |
if (input[fn].vw.type == 0) { |
697 |
> |
lorg[fn][0] = lorg[fn][1] = lorg[fn][2] = 0.0; |
698 |
> |
ldir[fn][0] = ldir[fn][1] = ldir[fn][2] = 0.0; |
699 |
> |
ldist[fn] = -1.0; |
700 |
|
errno = EDOM; |
701 |
< |
else { |
701 |
> |
} else { |
702 |
|
pix2loc(loc, &input[fn].rs, xscan, ymax-1-yscan); |
703 |
|
ldist[fn] = viewray(lorg[fn], ldir[fn], |
704 |
|
&input[fn].vw, loc[0], loc[1]); |
705 |
+ |
if (ldist[fn] < -FTINY) |
706 |
+ |
errno = EDOM; |
707 |
|
} |
708 |
|
ltick[fn] = eclock; |
709 |
|
} |
714 |
|
return(i < 3 ? lorg[fn][i] : ldir[fn][i-3]); |
715 |
|
eputs("Bad call to l_ray()!\n"); |
716 |
|
quit(1); |
717 |
+ |
return 1; /* pro forma return */ |
718 |
|
} |
719 |
|
|
720 |
|
|
721 |
< |
double |
722 |
< |
l_psize() /* compute pixel size in steradians */ |
721 |
> |
static double |
722 |
> |
l_psize(char *nm) /* compute pixel size in steradians */ |
723 |
|
{ |
724 |
|
static unsigned long ltick[MAXINP]; |
725 |
|
static double psize[MAXINP]; |
727 |
|
RREAL locx[2], locy[2]; |
728 |
|
double d; |
729 |
|
int fn; |
730 |
< |
register int i; |
730 |
> |
int i; |
731 |
|
|
732 |
|
d = argument(1); |
733 |
< |
if (d < .5 || d >= nfiles+.5) { |
733 |
> |
if (d <= -0.5 || d >= nfiles+0.5) { |
734 |
|
errno = EDOM; |
735 |
|
return(0.0); |
736 |
|
} |
737 |
< |
fn = d - .5; |
737 |
> |
if (d < 0.5) |
738 |
> |
return((double)nfiles); |
739 |
> |
fn = d - 0.5; |
740 |
|
if (ltick[fn] != eclock) { /* need to compute? */ |
741 |
|
psize[fn] = 0.0; |
742 |
|
if (input[fn].vw.type == 0) |
743 |
|
errno = EDOM; |
744 |
|
else if (input[fn].vw.type != VT_PAR && |
745 |
< |
funvalue(vray[6], 1, &d) >= 0) { |
745 |
> |
funvalue(vray[6], 1, &d) >= -FTINY) { |
746 |
|
for (i = 0; i < 3; i++) |
747 |
|
dir0[i] = funvalue(vray[3+i], 1, &d); |
748 |
|
pix2loc(locx, &input[fn].rs, xscan+1, ymax-1-yscan); |
749 |
|
pix2loc(locy, &input[fn].rs, xscan, ymax-yscan); |
750 |
|
if (viewray(org, dirx, &input[fn].vw, |
751 |
< |
locx[0], locx[1]) >= 0 && |
751 |
> |
locx[0], locx[1]) >= -FTINY && |
752 |
|
viewray(org, diry, &input[fn].vw, |
753 |
< |
locy[0], locy[1]) >= 0) { |
753 |
> |
locy[0], locy[1]) >= -FTINY) { |
754 |
|
/* approximate solid angle */ |
755 |
|
for (i = 0; i < 3; i++) { |
756 |
|
dirx[i] -= dir0[i]; |
757 |
|
diry[i] -= dir0[i]; |
758 |
|
} |
759 |
|
fcross(dir0, dirx, diry); |
760 |
< |
psize[fn] = sqrt(DOT(dir0,dir0)); |
760 |
> |
psize[fn] = VLEN(dir0); |
761 |
|
} |
762 |
|
} |
763 |
|
ltick[fn] = eclock; |
766 |
|
} |
767 |
|
|
768 |
|
|
769 |
< |
void |
770 |
< |
wputs(msg) |
601 |
< |
char *msg; |
769 |
> |
extern void |
770 |
> |
wputs(const char *msg) |
771 |
|
{ |
772 |
|
if (!nowarn) |
773 |
|
eputs(msg); |
774 |
|
} |
775 |
|
|
776 |
|
|
777 |
< |
void |
778 |
< |
eputs(msg) |
610 |
< |
char *msg; |
777 |
> |
extern void |
778 |
> |
eputs(const char *msg) |
779 |
|
{ |
780 |
|
fputs(msg, stderr); |
781 |
|
} |
782 |
|
|
783 |
|
|
784 |
< |
void |
785 |
< |
quit(code) /* exit gracefully */ |
618 |
< |
int code; |
784 |
> |
extern void |
785 |
> |
quit(int code) /* exit gracefully */ |
786 |
|
{ |
787 |
< |
register int i; |
787 |
> |
int i; |
788 |
|
/* close input files */ |
789 |
|
for (i = 0; i < nfiles; i++) |
790 |
|
if (input[i].name == Command) |