1 |
< |
/* Copyright (c) 1986 Regents of the University of California */ |
1 |
> |
/* Copyright (c) 1996 Regents of the University of California */ |
2 |
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|
3 |
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#ifndef lint |
4 |
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static char SCCSid[] = "$SunId$ LBL"; |
8 |
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* pfilt.c - program to post-process picture file. |
9 |
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* |
10 |
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* 9/26/85 |
11 |
+ |
* 6/23/93 Added additional buffers for value spreading |
12 |
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*/ |
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|
14 |
< |
#include <stdio.h> |
14 |
> |
#include "standard.h" |
15 |
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|
16 |
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#include <signal.h> |
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|
18 |
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#include "color.h" |
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|
20 |
+ |
#include "view.h" |
21 |
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|
22 |
< |
extern char *malloc(); |
22 |
> |
#include "resolu.h" |
23 |
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|
24 |
< |
#define CHECKRAD 1.5 /* radius to check for filtering */ |
24 |
> |
#include "paths.h" |
25 |
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|
26 |
+ |
extern float *matchlamp(); |
27 |
+ |
|
28 |
+ |
#define FEQ(a,b) ((a) >= .98*(b) && (a) <= 1.02*(b)) |
29 |
+ |
|
30 |
+ |
double CHECKRAD = 1.5; /* radius to check for filtering */ |
31 |
+ |
|
32 |
+ |
#define THRESHRAD 5.0 /* maximum sample spread in output */ |
33 |
+ |
|
34 |
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COLOR exposure = WHTCOLOR; /* exposure for the frame */ |
35 |
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|
36 |
< |
double rad = 0.0; /* output pixel radius for filtering */ |
36 |
> |
double rad = 0.0; /* output pixel radius for filtering */ |
37 |
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|
38 |
+ |
double thresh = 0.0; /* maximum contribution for subpixel */ |
39 |
+ |
|
40 |
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int nrows = 0; /* number of rows for output */ |
41 |
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int ncols = 0; /* number of columns for output */ |
42 |
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|
43 |
< |
double x_c = 1.0; /* ratio of output x size to input */ |
44 |
< |
double y_r = 1.0; /* ratio of output y size to input */ |
43 |
> |
double x_c = 1.0; /* ratio of output x size to input */ |
44 |
> |
double y_r = 1.0; /* ratio of output y size to input */ |
45 |
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|
46 |
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int singlepass = 0; /* true means skip first pass */ |
47 |
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|
48 |
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int avghot = 0; /* true means average in bright spots */ |
49 |
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|
50 |
< |
double hotlvl = 1000.0; /* level considered "hot" */ |
50 |
> |
double hotlvl = 100.0; /* level considered "hot" */ |
51 |
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|
52 |
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int npts = 0; /* (half) number of points for stars */ |
53 |
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|
54 |
< |
double spread = 1e-4; /* spread for star points */ |
54 |
> |
double spread = 1e-4; /* spread for star points */ |
55 |
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|
44 |
– |
#define TEMPLATE "/usr/tmp/pfXXXXXX" |
45 |
– |
|
56 |
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char *tfname = NULL; |
57 |
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|
58 |
+ |
char template[] = TEMPLATE; |
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|
60 |
+ |
char *lampdat = "lamp.tab"; /* lamp data file */ |
61 |
+ |
|
62 |
+ |
int order; /* scanline ordering of input */ |
63 |
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int xres, yres; /* resolution of input */ |
64 |
+ |
double inpaspect = 1.0; /* pixel aspect ratio of input */ |
65 |
+ |
int correctaspect = 0; /* aspect ratio correction? */ |
66 |
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|
67 |
< |
int xrad; /* x window size */ |
51 |
< |
int yrad; /* y window size */ |
67 |
> |
int wrongformat = 0; |
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|
69 |
+ |
VIEW ourview = STDVIEW; |
70 |
+ |
int gotview = 0; |
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+ |
int wrapfilt = 0; /* wrap filter horizontally? */ |
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+ |
|
73 |
+ |
int xrad; /* x search radius */ |
74 |
+ |
int yrad; /* y search radius */ |
75 |
+ |
int xbrad; /* x box size */ |
76 |
+ |
int ybrad; /* y box size */ |
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+ |
|
78 |
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int barsize; /* size of input scan bar */ |
79 |
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COLOR **scanin; /* input scan bar */ |
80 |
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COLOR *scanout; /* output scan line */ |
81 |
+ |
COLOR **scoutbar; /* output scan bar (if thresh > 0) */ |
82 |
+ |
float **greybar; /* grey-averaged input values */ |
83 |
+ |
int obarsize = 0; /* size of output scan bar */ |
84 |
+ |
int orad = 0; /* output window radius */ |
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|
86 |
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char *progname; |
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|
90 |
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int argc; |
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char **argv; |
92 |
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{ |
64 |
– |
extern char *mktemp(); |
65 |
– |
extern double atof(), pow(); |
93 |
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extern long ftell(); |
94 |
< |
extern int quit(); |
94 |
> |
extern int quit(), headline(); |
95 |
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FILE *fin; |
96 |
+ |
float *lampcolor; |
97 |
+ |
char *lamptype = NULL; |
98 |
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long fpos; |
99 |
< |
double d; |
100 |
< |
int i; |
101 |
< |
|
99 |
> |
double outaspect = 0.0; |
100 |
> |
double d; |
101 |
> |
int i, j; |
102 |
> |
#ifdef MSDOS |
103 |
> |
extern int _fmode; |
104 |
> |
_fmode = O_BINARY; |
105 |
> |
setmode(fileno(stdin), O_BINARY); |
106 |
> |
setmode(fileno(stdout), O_BINARY); |
107 |
> |
#endif |
108 |
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if (signal(SIGINT, quit) == SIG_IGN) |
109 |
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signal(SIGINT, SIG_IGN); |
110 |
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if (signal(SIGHUP, quit) == SIG_IGN) |
111 |
< |
signal(SIGINT, SIG_IGN); |
111 |
> |
signal(SIGHUP, SIG_IGN); |
112 |
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signal(SIGTERM, quit); |
113 |
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signal(SIGPIPE, quit); |
114 |
< |
#ifdef SIGXCPU |
114 |
> |
#ifdef SIGXCPU |
115 |
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signal(SIGXCPU, quit); |
116 |
|
signal(SIGXFSZ, quit); |
117 |
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#endif |
118 |
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|
119 |
< |
progname = argv[0]; |
119 |
> |
progname = argv[0] = fixargv0(argv[0]); |
120 |
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|
121 |
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for (i = 1; i < argc; i++) |
122 |
|
if (argv[i][0] == '-') |
137 |
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} else |
138 |
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nrows = atoi(argv[i]); |
139 |
|
break; |
140 |
+ |
case 'c': |
141 |
+ |
correctaspect = !correctaspect; |
142 |
+ |
break; |
143 |
+ |
case 'p': |
144 |
+ |
i++; |
145 |
+ |
outaspect = atof(argv[i]); |
146 |
+ |
break; |
147 |
|
case 'e': |
148 |
|
if (argv[i+1][0] == '+' || argv[i+1][0] == '-') |
149 |
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d = pow(2.0, atof(argv[i+1])); |
150 |
|
else |
151 |
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d = atof(argv[i+1]); |
152 |
+ |
if (d < 1e-20 || d > 1e20) { |
153 |
+ |
fprintf(stderr, |
154 |
+ |
"%s: exposure out of range\n", |
155 |
+ |
argv[0]); |
156 |
+ |
exit(1); |
157 |
+ |
} |
158 |
|
switch (argv[i][2]) { |
159 |
|
case '\0': |
160 |
|
scalecolor(exposure, d); |
173 |
|
} |
174 |
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i++; |
175 |
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break; |
176 |
+ |
case 'f': |
177 |
+ |
lampdat = argv[++i]; |
178 |
+ |
break; |
179 |
+ |
case 't': |
180 |
+ |
lamptype = argv[++i]; |
181 |
+ |
break; |
182 |
|
case '1': |
183 |
|
singlepass = 1; |
184 |
|
break; |
185 |
|
case '2': |
186 |
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singlepass = 0; |
187 |
|
break; |
188 |
< |
case 'p': |
188 |
> |
case 'n': |
189 |
|
npts = atoi(argv[++i]) / 2; |
190 |
|
break; |
191 |
|
case 's': |
200 |
|
case 'r': |
201 |
|
rad = atof(argv[++i]); |
202 |
|
break; |
203 |
+ |
case 'm': |
204 |
+ |
thresh = atof(argv[++i]); |
205 |
+ |
if (rad <= FTINY) |
206 |
+ |
rad = 1.0; |
207 |
+ |
break; |
208 |
|
case 'b': |
209 |
< |
rad = 0.0; |
209 |
> |
rad = thresh = 0.0; |
210 |
|
break; |
211 |
|
default:; |
212 |
|
badopt: |
217 |
|
} |
218 |
|
else |
219 |
|
break; |
220 |
< |
|
220 |
> |
/* get lamp data (if necessary) */ |
221 |
> |
if (lamptype != NULL) { |
222 |
> |
if (loadlamps(lampdat) < 0) |
223 |
> |
quit(1); |
224 |
> |
if ((lampcolor = matchlamp(lamptype)) == NULL) { |
225 |
> |
fprintf(stderr, "%s: unknown lamp type\n", lamptype); |
226 |
> |
quit(1); |
227 |
> |
} |
228 |
> |
for (j = 0; j < 3; j++) |
229 |
> |
if (lampcolor[j] > 1e-4) |
230 |
> |
colval(exposure,j) /= lampcolor[j]; |
231 |
> |
freelamps(); |
232 |
> |
} |
233 |
> |
/* open input file */ |
234 |
|
if (i == argc) { |
235 |
|
if (singlepass) |
236 |
|
fin = stdin; |
237 |
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else { |
238 |
< |
tfname = mktemp(TEMPLATE); |
238 |
> |
tfname = mktemp(template); |
239 |
|
if ((fin = fopen(tfname, "w+")) == NULL) { |
240 |
|
fprintf(stderr, "%s: can't create ", progname); |
241 |
|
fprintf(stderr, "temp file \"%s\"\n", tfname); |
257 |
|
fprintf(stderr, "%s: bad # file arguments\n", progname); |
258 |
|
quit(1); |
259 |
|
} |
260 |
< |
/* copy header */ |
261 |
< |
copyheader(fin, stdout); |
260 |
> |
/* get header */ |
261 |
> |
getheader(fin, headline, NULL); |
262 |
> |
if (wrongformat) { |
263 |
> |
fprintf(stderr, "%s: input must be a Radiance picture\n", |
264 |
> |
progname); |
265 |
> |
quit(1); |
266 |
> |
} |
267 |
|
/* add new header info. */ |
268 |
|
printargs(i, argv, stdout); |
269 |
|
/* get picture size */ |
270 |
< |
if (fgetresolu(&xres, &yres, fin) != (YMAJOR|YDECR)) { |
270 |
> |
if ((order = fgetresolu(&xres, &yres, fin)) < 0) { |
271 |
|
fprintf(stderr, "%s: bad picture size\n", progname); |
272 |
|
quit(1); |
273 |
|
} |
274 |
< |
if (ncols > 0) |
275 |
< |
x_c = (double)ncols/xres; |
276 |
< |
else |
274 |
> |
if (!(order & YMAJOR)) |
275 |
> |
inpaspect = 1.0/inpaspect; |
276 |
> |
/* wrap around for cylindrical view? */ |
277 |
> |
wrapfilt = gotview && ourview.type == VT_CYL && |
278 |
> |
ourview.horiz >= 360.-FTINY && order & YMAJOR; |
279 |
> |
/* compute output resolution */ |
280 |
> |
if (ncols <= 0) |
281 |
|
ncols = x_c*xres + .5; |
282 |
< |
if (nrows > 0) |
202 |
< |
y_r = (double)nrows/yres; |
203 |
< |
else |
282 |
> |
if (nrows <= 0) |
283 |
|
nrows = y_r*yres + .5; |
284 |
+ |
if (outaspect > .01) { |
285 |
+ |
d = inpaspect * yres/xres / outaspect; |
286 |
+ |
if (d * ncols > nrows) |
287 |
+ |
ncols = nrows / d; |
288 |
+ |
else |
289 |
+ |
nrows = ncols * d; |
290 |
+ |
} |
291 |
+ |
x_c = (double)ncols/xres; |
292 |
+ |
y_r = (double)nrows/yres; |
293 |
|
|
294 |
< |
if (singlepass) { |
207 |
< |
/* skip exposure, etc. */ |
294 |
> |
if (singlepass) { /* skip exposure, etc. */ |
295 |
|
pass1default(); |
296 |
|
pass2(fin); |
297 |
|
quit(0); |
311 |
|
} |
312 |
|
|
313 |
|
|
314 |
+ |
double |
315 |
+ |
rgb_bright(clr) |
316 |
+ |
COLOR clr; |
317 |
+ |
{ |
318 |
+ |
return(bright(clr)); |
319 |
+ |
} |
320 |
+ |
|
321 |
+ |
|
322 |
+ |
double |
323 |
+ |
xyz_bright(clr) |
324 |
+ |
COLOR clr; |
325 |
+ |
{ |
326 |
+ |
return(clr[CIEY]); |
327 |
+ |
} |
328 |
+ |
|
329 |
+ |
|
330 |
+ |
double (*ourbright)() = rgb_bright; |
331 |
+ |
|
332 |
+ |
|
333 |
+ |
headline(s) /* process line from header */ |
334 |
+ |
char *s; |
335 |
+ |
{ |
336 |
+ |
char fmt[32]; |
337 |
+ |
|
338 |
+ |
fputs(s, stdout); /* copy to output */ |
339 |
+ |
if (isaspect(s)) /* get aspect ratio */ |
340 |
+ |
inpaspect *= aspectval(s); |
341 |
+ |
else if (isexpos(s)) /* get exposure */ |
342 |
+ |
hotlvl *= exposval(s); |
343 |
+ |
else if (formatval(fmt, s)) { /* get format */ |
344 |
+ |
wrongformat = 0; |
345 |
+ |
if (!strcmp(COLRFMT, fmt)) |
346 |
+ |
ourbright = rgb_bright; |
347 |
+ |
else if (!strcmp(CIEFMT, fmt)) |
348 |
+ |
ourbright = xyz_bright; |
349 |
+ |
else |
350 |
+ |
wrongformat = !globmatch(PICFMT, fmt); |
351 |
+ |
} else if (isview(s) && sscanview(&ourview, s) > 0) |
352 |
+ |
gotview++; |
353 |
+ |
} |
354 |
+ |
|
355 |
+ |
|
356 |
|
copyfile(in, out) /* copy a file */ |
357 |
|
register FILE *in, *out; |
358 |
|
{ |
383 |
|
} |
384 |
|
for (i = 0; i < yres; i++) { |
385 |
|
if (freadscan(scan, xres, in) < 0) { |
386 |
< |
nrows = nrows * i / yres; /* adjust frame */ |
386 |
> |
nrows = (long)nrows * i / yres; /* adjust frame */ |
387 |
|
if (nrows <= 0) { |
388 |
|
fprintf(stderr, "%s: empty frame\n", progname); |
389 |
|
quit(1); |
390 |
|
} |
391 |
|
fprintf(stderr, "%s: warning - partial frame (%d%%)\n", |
392 |
< |
progname, 100*i/yres); |
392 |
> |
progname, (int)(100L*i/yres)); |
393 |
|
yres = i; |
394 |
+ |
y_r = (double)nrows/yres; |
395 |
|
break; |
396 |
|
} |
397 |
|
pass1scan(scan, i); |
406 |
|
int yread; |
407 |
|
int ycent, xcent; |
408 |
|
int r, c; |
409 |
< |
|
409 |
> |
|
410 |
|
pass2init(); |
411 |
|
scan2init(); |
412 |
|
yread = 0; |
417 |
|
if (freadscan(scanin[yread%barsize], |
418 |
|
xres, in) < 0) { |
419 |
|
fprintf(stderr, |
420 |
< |
"%s: bad read (y=%d)\n", |
420 |
> |
"%s: truncated input (y=%d)\n", |
421 |
|
progname, yres-1-yread); |
422 |
|
quit(1); |
423 |
|
} |
425 |
|
} |
426 |
|
yread++; |
427 |
|
} |
428 |
+ |
if (obarsize > 0) |
429 |
+ |
scan2sync(r); |
430 |
|
for (c = 0; c < ncols; c++) { |
431 |
|
xcent = (long)c*xres/ncols; |
432 |
< |
if (rad <= 0.0) |
433 |
< |
dobox(scanout[c], xcent, ycent, c, r); |
434 |
< |
else |
432 |
> |
if (thresh > FTINY) |
433 |
> |
dothresh(xcent, ycent, c, r); |
434 |
> |
else if (rad > FTINY) |
435 |
|
dogauss(scanout[c], xcent, ycent, c, r); |
436 |
+ |
else |
437 |
+ |
dobox(scanout[c], xcent, ycent, c, r); |
438 |
|
} |
439 |
< |
if (fwritescan(scanout, ncols, stdout) < 0) { |
439 |
> |
if (scanout != NULL && fwritescan(scanout, ncols, stdout) < 0) { |
440 |
|
fprintf(stderr, "%s: write error in pass2\n", progname); |
441 |
|
quit(1); |
442 |
|
} |
443 |
|
} |
444 |
+ |
/* skip leftover input */ |
445 |
+ |
while (yread < yres) { |
446 |
+ |
if (freadscan(scanin[0], xres, in) < 0) |
447 |
+ |
break; |
448 |
+ |
yread++; |
449 |
+ |
} |
450 |
+ |
scan2flush(); /* flush output */ |
451 |
|
} |
452 |
|
|
453 |
|
|
454 |
|
scan2init() /* prepare scanline arrays */ |
455 |
|
{ |
456 |
< |
double e; |
456 |
> |
COLOR ctmp; |
457 |
> |
double d; |
458 |
|
register int i; |
459 |
|
|
460 |
< |
if (rad <= 0.0) { |
461 |
< |
xrad = xres/ncols/2 + 1; |
462 |
< |
yrad = yres/nrows/2 + 1; |
321 |
< |
} else { |
460 |
> |
xbrad = xres/ncols/2 + 1; |
461 |
> |
ybrad = yres/nrows/2 + 1; |
462 |
> |
if (rad > FTINY) { |
463 |
|
if (nrows >= yres && ncols >= xres) |
464 |
|
rad *= (y_r + x_c)/2.0; |
465 |
|
|
466 |
< |
xrad = CHECKRAD*rad/x_c + 1; |
467 |
< |
yrad = CHECKRAD*rad/y_r + 1; |
468 |
< |
|
466 |
> |
if (thresh > FTINY) { |
467 |
> |
orad = CHECKRAD*THRESHRAD*rad + 1; |
468 |
> |
xrad = orad/x_c + xbrad; |
469 |
> |
yrad = orad/y_r + ybrad; |
470 |
> |
obarsize = 2*orad + 1; |
471 |
> |
} else { |
472 |
> |
xrad = CHECKRAD*rad/x_c + 1; |
473 |
> |
yrad = CHECKRAD*rad/y_r + 1; |
474 |
> |
} |
475 |
|
initmask(); /* initialize filter table */ |
476 |
+ |
} else { |
477 |
+ |
xrad = xbrad; |
478 |
+ |
yrad = ybrad; |
479 |
|
} |
480 |
< |
barsize = 2 * yrad; |
480 |
> |
barsize = 2*yrad + 1; |
481 |
|
scanin = (COLOR **)malloc(barsize*sizeof(COLOR *)); |
482 |
+ |
if (scanin == NULL) |
483 |
+ |
goto memerr; |
484 |
|
for (i = 0; i < barsize; i++) { |
485 |
|
scanin[i] = (COLOR *)malloc(xres*sizeof(COLOR)); |
486 |
< |
if (scanin[i] == NULL) { |
487 |
< |
fprintf(stderr, "%s: out of memory\n", progname); |
488 |
< |
quit(1); |
486 |
> |
if (scanin[i] == NULL) |
487 |
> |
goto memerr; |
488 |
> |
} |
489 |
> |
if (obarsize > 0) { |
490 |
> |
scoutbar = (COLOR **)malloc(obarsize*sizeof(COLOR *)); |
491 |
> |
greybar = (float **)malloc(obarsize*sizeof(float *)); |
492 |
> |
if (scoutbar == NULL | greybar == NULL) |
493 |
> |
goto memerr; |
494 |
> |
for (i = 0; i < obarsize; i++) { |
495 |
> |
scoutbar[i] = (COLOR *)malloc(ncols*sizeof(COLOR)); |
496 |
> |
greybar[i] = (float *)malloc(ncols*sizeof(float)); |
497 |
> |
if (scoutbar[i] == NULL | greybar[i] == NULL) |
498 |
> |
goto memerr; |
499 |
|
} |
500 |
+ |
} else { |
501 |
+ |
scanout = (COLOR *)malloc(ncols*sizeof(COLOR)); |
502 |
+ |
if (scanout == NULL) |
503 |
+ |
goto memerr; |
504 |
|
} |
505 |
< |
scanout = (COLOR *)malloc(ncols*sizeof(COLOR)); |
506 |
< |
if (scanout == NULL) { |
507 |
< |
fprintf(stderr, "%s: out of memory\n", progname); |
508 |
< |
quit(1); |
505 |
> |
/* record pixel aspect ratio */ |
506 |
> |
if (!correctaspect) { |
507 |
> |
d = order & YMAJOR ? x_c/y_r : y_r/x_c ; |
508 |
> |
if (!FEQ(d,1.0)) |
509 |
> |
fputaspect(d, stdout); |
510 |
|
} |
511 |
< |
e = bright(exposure); |
512 |
< |
if (e < 1-1e-7 || e > 1+1e-7) /* record exposure */ |
513 |
< |
printf("EXPOSURE=%e\n", e); |
511 |
> |
/* record exposure */ |
512 |
> |
d = (*ourbright)(exposure); |
513 |
> |
if (!FEQ(d,1.0)) |
514 |
> |
fputexpos(d, stdout); |
515 |
> |
/* record color correction */ |
516 |
> |
copycolor(ctmp, exposure); |
517 |
> |
scalecolor(ctmp, 1.0/d); |
518 |
> |
if (!FEQ(colval(ctmp,RED),colval(ctmp,GRN)) || |
519 |
> |
!FEQ(colval(ctmp,GRN),colval(ctmp,BLU))) |
520 |
> |
fputcolcor(ctmp, stdout); |
521 |
|
printf("\n"); |
522 |
< |
fputresolu(YMAJOR|YDECR, ncols, nrows, stdout); /* resolution */ |
522 |
> |
/* write out resolution */ |
523 |
> |
fputresolu(order, ncols, nrows, stdout); |
524 |
> |
return; |
525 |
> |
memerr: |
526 |
> |
fprintf(stderr, "%s: out of memory\n", progname); |
527 |
> |
quit(1); |
528 |
> |
} |
529 |
> |
|
530 |
> |
|
531 |
> |
scan2sync(r) /* synchronize grey averages and output scan */ |
532 |
> |
int r; |
533 |
> |
{ |
534 |
> |
static int nextrow = 0; |
535 |
> |
COLOR ctmp; |
536 |
> |
int ybot; |
537 |
> |
register int c; |
538 |
> |
/* average input scanlines */ |
539 |
> |
while (nextrow <= r+orad && nextrow < nrows) { |
540 |
> |
ybot = (long)nextrow*yres/nrows; |
541 |
> |
for (c = 0; c < ncols; c++) { |
542 |
> |
dobox(ctmp, (int)((long)c*xres/ncols),ybot, c,nextrow); |
543 |
> |
greybar[nextrow%obarsize][c] = (*ourbright)(ctmp); |
544 |
> |
} |
545 |
> |
/* and zero output scanline */ |
546 |
> |
bzero((char *)scoutbar[nextrow%obarsize], ncols*sizeof(COLOR)); |
547 |
> |
nextrow++; |
548 |
> |
} |
549 |
> |
/* point to top scanline for output */ |
550 |
> |
if (r-orad >= 0) |
551 |
> |
scanout = scoutbar[(r-orad)%obarsize]; |
552 |
> |
else |
553 |
> |
scanout = NULL; |
554 |
> |
} |
555 |
> |
|
556 |
> |
|
557 |
> |
scan2flush() /* flush output buffer */ |
558 |
> |
{ |
559 |
> |
register int r; |
560 |
> |
|
561 |
> |
for (r = nrows-orad; r < nrows; r++) |
562 |
> |
if (fwritescan(scoutbar[r%obarsize], ncols, stdout) < 0) |
563 |
> |
break; |
564 |
> |
if (fflush(stdout) < 0) { |
565 |
> |
fprintf(stderr, "%s: write error at end of pass2\n", progname); |
566 |
> |
exit(1); |
567 |
> |
} |
568 |
|
} |
569 |
|
|
570 |
|
|