1 |
greg |
1.1 |
#ifndef lint |
2 |
greg |
2.36 |
static const char RCSid[] = "$Id: pfilt.c,v 2.35 2023/12/07 21:15:54 greg Exp $"; |
3 |
greg |
1.1 |
#endif |
4 |
|
|
/* |
5 |
|
|
* pfilt.c - program to post-process picture file. |
6 |
|
|
* |
7 |
|
|
* 9/26/85 |
8 |
greg |
2.9 |
* 6/23/93 Added additional buffers for value spreading |
9 |
greg |
1.1 |
*/ |
10 |
|
|
|
11 |
schorsch |
2.25 |
#include "copyright.h" |
12 |
|
|
|
13 |
greg |
1.1 |
#include <signal.h> |
14 |
greg |
2.35 |
#include "pfilt.h" |
15 |
greg |
2.27 |
#include "platform.h" |
16 |
greg |
2.35 |
#include "paths.h" |
17 |
greg |
2.17 |
#include "view.h" |
18 |
greg |
1.1 |
|
19 |
greg |
2.4 |
#define FEQ(a,b) ((a) >= .98*(b) && (a) <= 1.02*(b)) |
20 |
greg |
1.15 |
|
21 |
greg |
2.22 |
double CHECKRAD = 2.0; /* radius to check for filtering */ |
22 |
greg |
1.1 |
|
23 |
greg |
2.9 |
#define THRESHRAD 5.0 /* maximum sample spread in output */ |
24 |
|
|
|
25 |
greg |
1.1 |
COLOR exposure = WHTCOLOR; /* exposure for the frame */ |
26 |
|
|
|
27 |
greg |
2.4 |
double rad = 0.0; /* output pixel radius for filtering */ |
28 |
greg |
1.1 |
|
29 |
greg |
2.9 |
double thresh = 0.0; /* maximum contribution for subpixel */ |
30 |
|
|
|
31 |
greg |
1.1 |
int nrows = 0; /* number of rows for output */ |
32 |
|
|
int ncols = 0; /* number of columns for output */ |
33 |
|
|
|
34 |
greg |
2.4 |
double x_c = 1.0; /* ratio of output x size to input */ |
35 |
|
|
double y_r = 1.0; /* ratio of output y size to input */ |
36 |
greg |
1.2 |
|
37 |
greg |
1.1 |
int singlepass = 0; /* true means skip first pass */ |
38 |
|
|
|
39 |
|
|
int avghot = 0; /* true means average in bright spots */ |
40 |
|
|
|
41 |
greg |
2.8 |
double hotlvl = 100.0; /* level considered "hot" */ |
42 |
greg |
1.1 |
|
43 |
|
|
int npts = 0; /* (half) number of points for stars */ |
44 |
|
|
|
45 |
greg |
2.4 |
double spread = 1e-4; /* spread for star points */ |
46 |
greg |
1.1 |
|
47 |
|
|
char *tfname = NULL; |
48 |
|
|
|
49 |
greg |
2.11 |
char template[] = TEMPLATE; |
50 |
|
|
|
51 |
greg |
1.13 |
char *lampdat = "lamp.tab"; /* lamp data file */ |
52 |
|
|
|
53 |
greg |
1.19 |
int order; /* scanline ordering of input */ |
54 |
greg |
1.1 |
int xres, yres; /* resolution of input */ |
55 |
greg |
2.4 |
double inpaspect = 1.0; /* pixel aspect ratio of input */ |
56 |
greg |
1.12 |
int correctaspect = 0; /* aspect ratio correction? */ |
57 |
greg |
1.1 |
|
58 |
greg |
1.16 |
int wrongformat = 0; |
59 |
|
|
|
60 |
greg |
2.17 |
VIEW ourview = STDVIEW; |
61 |
|
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int gotview = 0; |
62 |
|
|
int wrapfilt = 0; /* wrap filter horizontally? */ |
63 |
|
|
|
64 |
greg |
2.18 |
int estatus = 0; /* exit status (for non-fatal errors) */ |
65 |
|
|
|
66 |
greg |
2.9 |
int xrad; /* x search radius */ |
67 |
|
|
int yrad; /* y search radius */ |
68 |
|
|
int xbrad; /* x box size */ |
69 |
|
|
int ybrad; /* y box size */ |
70 |
greg |
1.1 |
|
71 |
|
|
int barsize; /* size of input scan bar */ |
72 |
greg |
2.36 |
COLORV **scanin; /* input scan bar */ |
73 |
|
|
COLORV *scanout; /* output scan line */ |
74 |
|
|
COLORV **scoutbar; /* output scan bar (if thresh > 0) */ |
75 |
greg |
2.9 |
float **greybar; /* grey-averaged input values */ |
76 |
|
|
int obarsize = 0; /* size of output scan bar */ |
77 |
|
|
int orad = 0; /* output window radius */ |
78 |
greg |
1.1 |
|
79 |
|
|
char *progname; |
80 |
|
|
|
81 |
schorsch |
2.28 |
static gethfunc headline; |
82 |
schorsch |
2.29 |
static void copyfile(FILE *in, FILE *out); |
83 |
|
|
static void pass1(FILE *in); |
84 |
|
|
static void pass2(FILE *in); |
85 |
|
|
static void scan2init(void); |
86 |
|
|
static void scan2sync(int r); |
87 |
|
|
static void scan2flush(void); |
88 |
schorsch |
2.28 |
|
89 |
greg |
1.1 |
|
90 |
schorsch |
2.29 |
int |
91 |
|
|
main( |
92 |
|
|
int argc, |
93 |
|
|
char **argv |
94 |
|
|
) |
95 |
greg |
1.1 |
{ |
96 |
|
|
FILE *fin; |
97 |
greg |
1.13 |
float *lampcolor; |
98 |
|
|
char *lamptype = NULL; |
99 |
greg |
1.1 |
long fpos; |
100 |
greg |
2.4 |
double outaspect = 0.0; |
101 |
|
|
double d; |
102 |
greg |
2.13 |
int i, j; |
103 |
schorsch |
2.23 |
SET_DEFAULT_BINARY(); |
104 |
|
|
SET_FILE_BINARY(stdin); |
105 |
|
|
SET_FILE_BINARY(stdout); |
106 |
greg |
1.1 |
if (signal(SIGINT, quit) == SIG_IGN) |
107 |
|
|
signal(SIGINT, SIG_IGN); |
108 |
schorsch |
2.24 |
#ifdef SIGHUP |
109 |
greg |
1.1 |
if (signal(SIGHUP, quit) == SIG_IGN) |
110 |
greg |
2.11 |
signal(SIGHUP, SIG_IGN); |
111 |
schorsch |
2.24 |
#endif |
112 |
greg |
1.1 |
signal(SIGTERM, quit); |
113 |
schorsch |
2.24 |
#ifdef SIGPIPE |
114 |
greg |
1.1 |
signal(SIGPIPE, quit); |
115 |
schorsch |
2.24 |
#endif |
116 |
greg |
2.4 |
#ifdef SIGXCPU |
117 |
greg |
1.1 |
signal(SIGXCPU, quit); |
118 |
|
|
signal(SIGXFSZ, quit); |
119 |
|
|
#endif |
120 |
|
|
|
121 |
greg |
2.6 |
progname = argv[0] = fixargv0(argv[0]); |
122 |
greg |
1.1 |
|
123 |
|
|
for (i = 1; i < argc; i++) |
124 |
|
|
if (argv[i][0] == '-') |
125 |
|
|
switch (argv[i][1]) { |
126 |
|
|
case 'x': |
127 |
greg |
1.3 |
i++; |
128 |
greg |
1.5 |
if (argv[i][0] == '/') { |
129 |
greg |
1.4 |
x_c = 1.0/atof(argv[i]+1); |
130 |
greg |
1.5 |
ncols = 0; |
131 |
|
|
} else |
132 |
greg |
1.3 |
ncols = atoi(argv[i]); |
133 |
greg |
1.1 |
break; |
134 |
|
|
case 'y': |
135 |
greg |
1.3 |
i++; |
136 |
greg |
1.5 |
if (argv[i][0] == '/') { |
137 |
greg |
1.4 |
y_r = 1.0/atof(argv[i]+1); |
138 |
greg |
1.5 |
nrows = 0; |
139 |
|
|
} else |
140 |
greg |
1.3 |
nrows = atoi(argv[i]); |
141 |
greg |
1.1 |
break; |
142 |
greg |
1.12 |
case 'c': |
143 |
|
|
correctaspect = !correctaspect; |
144 |
|
|
break; |
145 |
greg |
1.9 |
case 'p': |
146 |
|
|
i++; |
147 |
|
|
outaspect = atof(argv[i]); |
148 |
|
|
break; |
149 |
greg |
1.1 |
case 'e': |
150 |
|
|
if (argv[i+1][0] == '+' || argv[i+1][0] == '-') |
151 |
|
|
d = pow(2.0, atof(argv[i+1])); |
152 |
|
|
else |
153 |
|
|
d = atof(argv[i+1]); |
154 |
greg |
1.15 |
if (d < 1e-20 || d > 1e20) { |
155 |
|
|
fprintf(stderr, |
156 |
|
|
"%s: exposure out of range\n", |
157 |
|
|
argv[0]); |
158 |
greg |
2.18 |
quit(1); |
159 |
greg |
1.15 |
} |
160 |
greg |
1.1 |
switch (argv[i][2]) { |
161 |
|
|
case '\0': |
162 |
|
|
scalecolor(exposure, d); |
163 |
|
|
break; |
164 |
|
|
case 'r': |
165 |
|
|
colval(exposure,RED) *= d; |
166 |
|
|
break; |
167 |
|
|
case 'g': |
168 |
|
|
colval(exposure,GRN) *= d; |
169 |
|
|
break; |
170 |
|
|
case 'b': |
171 |
|
|
colval(exposure,BLU) *= d; |
172 |
|
|
break; |
173 |
|
|
default: |
174 |
|
|
goto badopt; |
175 |
|
|
} |
176 |
|
|
i++; |
177 |
|
|
break; |
178 |
greg |
1.13 |
case 'f': |
179 |
|
|
lampdat = argv[++i]; |
180 |
|
|
break; |
181 |
|
|
case 't': |
182 |
|
|
lamptype = argv[++i]; |
183 |
|
|
break; |
184 |
greg |
1.1 |
case '1': |
185 |
|
|
singlepass = 1; |
186 |
|
|
break; |
187 |
greg |
1.6 |
case '2': |
188 |
|
|
singlepass = 0; |
189 |
|
|
break; |
190 |
greg |
1.9 |
case 'n': |
191 |
greg |
1.1 |
npts = atoi(argv[++i]) / 2; |
192 |
|
|
break; |
193 |
|
|
case 's': |
194 |
|
|
spread = atof(argv[++i]); |
195 |
|
|
break; |
196 |
|
|
case 'a': |
197 |
|
|
avghot = !avghot; |
198 |
|
|
break; |
199 |
|
|
case 'h': |
200 |
|
|
hotlvl = atof(argv[++i]); |
201 |
|
|
break; |
202 |
|
|
case 'r': |
203 |
|
|
rad = atof(argv[++i]); |
204 |
|
|
break; |
205 |
greg |
2.9 |
case 'm': |
206 |
|
|
thresh = atof(argv[++i]); |
207 |
|
|
if (rad <= FTINY) |
208 |
greg |
2.21 |
rad = 0.6; |
209 |
greg |
2.9 |
break; |
210 |
greg |
1.1 |
case 'b': |
211 |
greg |
2.9 |
rad = thresh = 0.0; |
212 |
greg |
1.1 |
break; |
213 |
|
|
default:; |
214 |
|
|
badopt: |
215 |
|
|
fprintf(stderr, "%s: unknown option: %s\n", |
216 |
|
|
progname, argv[i]); |
217 |
|
|
quit(1); |
218 |
|
|
break; |
219 |
|
|
} |
220 |
|
|
else |
221 |
|
|
break; |
222 |
greg |
1.14 |
/* get lamp data (if necessary) */ |
223 |
|
|
if (lamptype != NULL) { |
224 |
|
|
if (loadlamps(lampdat) < 0) |
225 |
|
|
quit(1); |
226 |
|
|
if ((lampcolor = matchlamp(lamptype)) == NULL) { |
227 |
|
|
fprintf(stderr, "%s: unknown lamp type\n", lamptype); |
228 |
|
|
quit(1); |
229 |
|
|
} |
230 |
greg |
2.13 |
for (j = 0; j < 3; j++) |
231 |
|
|
if (lampcolor[j] > 1e-4) |
232 |
|
|
colval(exposure,j) /= lampcolor[j]; |
233 |
greg |
1.14 |
freelamps(); |
234 |
|
|
} |
235 |
|
|
/* open input file */ |
236 |
greg |
1.1 |
if (i == argc) { |
237 |
|
|
if (singlepass) |
238 |
|
|
fin = stdin; |
239 |
|
|
else { |
240 |
greg |
2.11 |
tfname = mktemp(template); |
241 |
greg |
1.1 |
if ((fin = fopen(tfname, "w+")) == NULL) { |
242 |
|
|
fprintf(stderr, "%s: can't create ", progname); |
243 |
|
|
fprintf(stderr, "temp file \"%s\"\n", tfname); |
244 |
|
|
quit(1); |
245 |
|
|
} |
246 |
|
|
copyfile(stdin, fin); |
247 |
|
|
if (fseek(fin, 0L, 0) == -1) { |
248 |
|
|
fprintf(stderr, "%s: seek fail\n", progname); |
249 |
|
|
quit(1); |
250 |
|
|
} |
251 |
|
|
} |
252 |
|
|
} else if (i == argc-1) { |
253 |
|
|
if ((fin = fopen(argv[i], "r")) == NULL) { |
254 |
|
|
fprintf(stderr, "%s: can't open file \"%s\"\n", |
255 |
|
|
progname, argv[i]); |
256 |
|
|
quit(1); |
257 |
|
|
} |
258 |
|
|
} else { |
259 |
|
|
fprintf(stderr, "%s: bad # file arguments\n", progname); |
260 |
|
|
quit(1); |
261 |
|
|
} |
262 |
greg |
1.9 |
/* get header */ |
263 |
greg |
1.16 |
getheader(fin, headline, NULL); |
264 |
|
|
if (wrongformat) { |
265 |
|
|
fprintf(stderr, "%s: input must be a Radiance picture\n", |
266 |
|
|
progname); |
267 |
|
|
quit(1); |
268 |
|
|
} |
269 |
greg |
2.36 |
if (NCSAMP < 3) { |
270 |
|
|
fprintf(stderr, "%s: bad number of components\n", progname); |
271 |
|
|
quit(1); |
272 |
|
|
} |
273 |
greg |
1.1 |
/* add new header info. */ |
274 |
|
|
printargs(i, argv, stdout); |
275 |
|
|
/* get picture size */ |
276 |
greg |
1.19 |
if ((order = fgetresolu(&xres, &yres, fin)) < 0) { |
277 |
greg |
1.1 |
fprintf(stderr, "%s: bad picture size\n", progname); |
278 |
|
|
quit(1); |
279 |
|
|
} |
280 |
greg |
1.19 |
if (!(order & YMAJOR)) |
281 |
|
|
inpaspect = 1.0/inpaspect; |
282 |
greg |
2.17 |
/* wrap around for cylindrical view? */ |
283 |
|
|
wrapfilt = gotview && ourview.type == VT_CYL && |
284 |
|
|
ourview.horiz >= 360.-FTINY && order & YMAJOR; |
285 |
greg |
1.9 |
/* compute output resolution */ |
286 |
|
|
if (ncols <= 0) |
287 |
greg |
1.4 |
ncols = x_c*xres + .5; |
288 |
greg |
1.9 |
if (nrows <= 0) |
289 |
greg |
1.4 |
nrows = y_r*yres + .5; |
290 |
greg |
1.9 |
if (outaspect > .01) { |
291 |
|
|
d = inpaspect * yres/xres / outaspect; |
292 |
|
|
if (d * ncols > nrows) |
293 |
|
|
ncols = nrows / d; |
294 |
|
|
else |
295 |
|
|
nrows = ncols * d; |
296 |
|
|
} |
297 |
|
|
x_c = (double)ncols/xres; |
298 |
|
|
y_r = (double)nrows/yres; |
299 |
greg |
1.1 |
|
300 |
greg |
1.9 |
if (singlepass) { /* skip exposure, etc. */ |
301 |
greg |
1.1 |
pass1default(); |
302 |
|
|
pass2(fin); |
303 |
|
|
quit(0); |
304 |
|
|
} |
305 |
|
|
|
306 |
|
|
fpos = ftell(fin); /* save input file position */ |
307 |
|
|
|
308 |
|
|
pass1(fin); |
309 |
|
|
|
310 |
|
|
if (fseek(fin, fpos, 0) == -1) { |
311 |
|
|
fprintf(stderr, "%s: seek fail\n", progname); |
312 |
|
|
quit(1); |
313 |
|
|
} |
314 |
|
|
pass2(fin); |
315 |
|
|
|
316 |
greg |
2.18 |
quit(estatus); |
317 |
schorsch |
2.29 |
return estatus; /* pro forma return */ |
318 |
greg |
1.1 |
} |
319 |
|
|
|
320 |
|
|
|
321 |
schorsch |
2.29 |
static double |
322 |
|
|
rgb_bright( |
323 |
greg |
2.36 |
SCOLOR clr |
324 |
schorsch |
2.29 |
) |
325 |
greg |
2.15 |
{ |
326 |
|
|
return(bright(clr)); |
327 |
|
|
} |
328 |
|
|
|
329 |
|
|
|
330 |
schorsch |
2.29 |
static double |
331 |
|
|
xyz_bright( |
332 |
greg |
2.36 |
SCOLOR clr |
333 |
|
|
) |
334 |
|
|
{ |
335 |
|
|
return(colval(clr,CIEY)); |
336 |
|
|
} |
337 |
|
|
|
338 |
|
|
|
339 |
|
|
static double |
340 |
|
|
spec_bright( |
341 |
|
|
SCOLOR clr |
342 |
schorsch |
2.29 |
) |
343 |
greg |
2.15 |
{ |
344 |
greg |
2.36 |
return(pbright(clr)); |
345 |
greg |
2.15 |
} |
346 |
|
|
|
347 |
|
|
|
348 |
schorsch |
2.30 |
brightfunc_t *ourbright = rgb_bright; |
349 |
greg |
2.15 |
|
350 |
schorsch |
2.28 |
static int |
351 |
|
|
headline( /* process line from header */ |
352 |
|
|
char *s, |
353 |
|
|
void *p |
354 |
|
|
) |
355 |
greg |
1.9 |
{ |
356 |
greg |
2.33 |
char fmt[MAXFMTLEN]; |
357 |
greg |
1.16 |
|
358 |
greg |
1.9 |
fputs(s, stdout); /* copy to output */ |
359 |
|
|
if (isaspect(s)) /* get aspect ratio */ |
360 |
|
|
inpaspect *= aspectval(s); |
361 |
greg |
2.15 |
else if (isexpos(s)) /* get exposure */ |
362 |
greg |
2.8 |
hotlvl *= exposval(s); |
363 |
greg |
2.36 |
else if (isncomp(s)) /* get #components (spectral) */ |
364 |
|
|
NCSAMP = ncompval(s); |
365 |
|
|
else if (iswlsplit(s)) /* get wavelength partitions */ |
366 |
|
|
wlsplitval(WLPART, s); |
367 |
greg |
2.15 |
else if (formatval(fmt, s)) { /* get format */ |
368 |
|
|
wrongformat = 0; |
369 |
|
|
if (!strcmp(COLRFMT, fmt)) |
370 |
|
|
ourbright = rgb_bright; |
371 |
|
|
else if (!strcmp(CIEFMT, fmt)) |
372 |
|
|
ourbright = xyz_bright; |
373 |
greg |
2.36 |
else if (!strcmp(SPECFMT, fmt)) |
374 |
|
|
ourbright = spec_bright; |
375 |
greg |
2.15 |
else |
376 |
|
|
wrongformat = !globmatch(PICFMT, fmt); |
377 |
greg |
2.17 |
} else if (isview(s) && sscanview(&ourview, s) > 0) |
378 |
|
|
gotview++; |
379 |
gwlarson |
2.20 |
return(0); |
380 |
greg |
1.9 |
} |
381 |
|
|
|
382 |
|
|
|
383 |
schorsch |
2.29 |
static void |
384 |
|
|
copyfile( /* copy a file */ |
385 |
greg |
2.32 |
FILE *in, |
386 |
|
|
FILE *out |
387 |
schorsch |
2.29 |
) |
388 |
greg |
1.1 |
{ |
389 |
greg |
2.32 |
int c; |
390 |
greg |
1.1 |
|
391 |
|
|
while ((c = getc(in)) != EOF) |
392 |
|
|
putc(c, out); |
393 |
|
|
|
394 |
|
|
if (ferror(out)) { |
395 |
|
|
fprintf(stderr, "%s: write error in copyfile\n", progname); |
396 |
|
|
quit(1); |
397 |
|
|
} |
398 |
|
|
} |
399 |
|
|
|
400 |
|
|
|
401 |
schorsch |
2.29 |
static void |
402 |
|
|
pass1( /* first pass of picture file */ |
403 |
|
|
FILE *in |
404 |
|
|
) |
405 |
greg |
1.1 |
{ |
406 |
|
|
int i; |
407 |
greg |
2.36 |
COLORV *scan; |
408 |
greg |
1.1 |
|
409 |
|
|
pass1init(); |
410 |
|
|
|
411 |
greg |
2.36 |
scan = (COLORV *)malloc(xres*NCSAMP*sizeof(COLORV)); |
412 |
greg |
1.1 |
if (scan == NULL) { |
413 |
|
|
fprintf(stderr, "%s: out of memory\n", progname); |
414 |
|
|
quit(1); |
415 |
|
|
} |
416 |
|
|
for (i = 0; i < yres; i++) { |
417 |
greg |
2.36 |
if (freadsscan(scan, NCSAMP, xres, in) < 0) { |
418 |
greg |
2.7 |
nrows = (long)nrows * i / yres; /* adjust frame */ |
419 |
greg |
1.1 |
if (nrows <= 0) { |
420 |
|
|
fprintf(stderr, "%s: empty frame\n", progname); |
421 |
|
|
quit(1); |
422 |
|
|
} |
423 |
|
|
fprintf(stderr, "%s: warning - partial frame (%d%%)\n", |
424 |
greg |
2.7 |
progname, (int)(100L*i/yres)); |
425 |
greg |
1.1 |
yres = i; |
426 |
greg |
1.11 |
y_r = (double)nrows/yres; |
427 |
greg |
2.18 |
estatus++; |
428 |
greg |
1.1 |
break; |
429 |
|
|
} |
430 |
|
|
pass1scan(scan, i); |
431 |
|
|
} |
432 |
greg |
2.36 |
free(scan); |
433 |
greg |
1.1 |
} |
434 |
|
|
|
435 |
|
|
|
436 |
schorsch |
2.29 |
static void |
437 |
|
|
pass2( /* last pass on file, write to stdout */ |
438 |
|
|
FILE *in |
439 |
|
|
) |
440 |
greg |
1.1 |
{ |
441 |
|
|
int yread; |
442 |
|
|
int ycent, xcent; |
443 |
|
|
int r, c; |
444 |
greg |
2.4 |
|
445 |
greg |
1.1 |
pass2init(); |
446 |
|
|
scan2init(); |
447 |
|
|
yread = 0; |
448 |
|
|
for (r = 0; r < nrows; r++) { |
449 |
greg |
2.19 |
ycent = (r+.5)*yres/nrows; |
450 |
greg |
1.1 |
while (yread <= ycent+yrad) { |
451 |
|
|
if (yread < yres) { |
452 |
greg |
2.36 |
if (freadsscan(scanin[yread%barsize], |
453 |
|
|
NCSAMP, xres, in) < 0) { |
454 |
greg |
1.1 |
fprintf(stderr, |
455 |
greg |
2.14 |
"%s: truncated input (y=%d)\n", |
456 |
greg |
1.1 |
progname, yres-1-yread); |
457 |
|
|
quit(1); |
458 |
|
|
} |
459 |
|
|
pass2scan(scanin[yread%barsize], yread); |
460 |
|
|
} |
461 |
|
|
yread++; |
462 |
|
|
} |
463 |
greg |
2.9 |
if (obarsize > 0) |
464 |
|
|
scan2sync(r); |
465 |
greg |
1.1 |
for (c = 0; c < ncols; c++) { |
466 |
greg |
2.19 |
xcent = (c+.5)*xres/ncols; |
467 |
greg |
2.9 |
if (thresh > FTINY) |
468 |
|
|
dothresh(xcent, ycent, c, r); |
469 |
|
|
else if (rad > FTINY) |
470 |
greg |
2.36 |
dogauss(scanout+c*NCSAMP, xcent, ycent, c, r); |
471 |
greg |
2.9 |
else |
472 |
greg |
2.36 |
dobox(scanout+c*NCSAMP, xcent, ycent, c, r); |
473 |
greg |
1.1 |
} |
474 |
greg |
2.36 |
if (scanout != NULL && fwritesscan(scanout, NCSAMP, ncols, stdout) < 0) { |
475 |
greg |
1.1 |
fprintf(stderr, "%s: write error in pass2\n", progname); |
476 |
|
|
quit(1); |
477 |
|
|
} |
478 |
|
|
} |
479 |
greg |
2.9 |
/* skip leftover input */ |
480 |
greg |
1.10 |
while (yread < yres) { |
481 |
greg |
2.36 |
if (freadsscan(scanin[0], NCSAMP, xres, in) < 0) |
482 |
greg |
1.10 |
break; |
483 |
|
|
yread++; |
484 |
|
|
} |
485 |
greg |
2.9 |
scan2flush(); /* flush output */ |
486 |
greg |
1.1 |
} |
487 |
|
|
|
488 |
|
|
|
489 |
schorsch |
2.29 |
static void |
490 |
|
|
scan2init(void) /* prepare scanline arrays */ |
491 |
greg |
1.1 |
{ |
492 |
greg |
1.15 |
COLOR ctmp; |
493 |
greg |
2.4 |
double d; |
494 |
greg |
2.32 |
int i; |
495 |
greg |
1.1 |
|
496 |
greg |
2.9 |
xbrad = xres/ncols/2 + 1; |
497 |
|
|
ybrad = yres/nrows/2 + 1; |
498 |
|
|
if (rad > FTINY) { |
499 |
greg |
1.1 |
if (nrows >= yres && ncols >= xres) |
500 |
|
|
rad *= (y_r + x_c)/2.0; |
501 |
|
|
|
502 |
greg |
2.9 |
if (thresh > FTINY) { |
503 |
|
|
orad = CHECKRAD*THRESHRAD*rad + 1; |
504 |
greg |
2.16 |
xrad = orad/x_c + xbrad; |
505 |
|
|
yrad = orad/y_r + ybrad; |
506 |
greg |
2.9 |
obarsize = 2*orad + 1; |
507 |
|
|
} else { |
508 |
|
|
xrad = CHECKRAD*rad/x_c + 1; |
509 |
|
|
yrad = CHECKRAD*rad/y_r + 1; |
510 |
|
|
} |
511 |
greg |
1.1 |
initmask(); /* initialize filter table */ |
512 |
greg |
2.9 |
} else { |
513 |
|
|
xrad = xbrad; |
514 |
|
|
yrad = ybrad; |
515 |
greg |
1.1 |
} |
516 |
greg |
1.17 |
barsize = 2*yrad + 1; |
517 |
greg |
2.36 |
scanin = (COLORV **)malloc(barsize*sizeof(COLORV *)); |
518 |
greg |
2.10 |
if (scanin == NULL) |
519 |
|
|
goto memerr; |
520 |
greg |
1.1 |
for (i = 0; i < barsize; i++) { |
521 |
greg |
2.36 |
scanin[i] = (COLORV *)malloc(xres*NCSAMP*sizeof(COLORV)); |
522 |
greg |
2.10 |
if (scanin[i] == NULL) |
523 |
|
|
goto memerr; |
524 |
greg |
1.1 |
} |
525 |
greg |
2.9 |
if (obarsize > 0) { |
526 |
greg |
2.36 |
scoutbar = (COLORV **)malloc(obarsize*sizeof(COLORV *)); |
527 |
greg |
2.9 |
greybar = (float **)malloc(obarsize*sizeof(float *)); |
528 |
schorsch |
2.26 |
if ((scoutbar == NULL) | (greybar == NULL)) |
529 |
greg |
2.10 |
goto memerr; |
530 |
greg |
2.9 |
for (i = 0; i < obarsize; i++) { |
531 |
greg |
2.36 |
scoutbar[i] = (COLORV *)malloc(ncols*NCSAMP*sizeof(COLORV)); |
532 |
greg |
2.9 |
greybar[i] = (float *)malloc(ncols*sizeof(float)); |
533 |
schorsch |
2.26 |
if ((scoutbar[i] == NULL) | (greybar[i] == NULL)) |
534 |
greg |
2.10 |
goto memerr; |
535 |
greg |
2.9 |
} |
536 |
|
|
} else { |
537 |
greg |
2.36 |
scanout = (COLORV *)malloc(ncols*NCSAMP*sizeof(COLORV)); |
538 |
greg |
2.10 |
if (scanout == NULL) |
539 |
|
|
goto memerr; |
540 |
greg |
1.1 |
} |
541 |
greg |
1.15 |
/* record pixel aspect ratio */ |
542 |
greg |
1.12 |
if (!correctaspect) { |
543 |
greg |
1.19 |
d = order & YMAJOR ? x_c/y_r : y_r/x_c ; |
544 |
greg |
1.15 |
if (!FEQ(d,1.0)) |
545 |
greg |
1.12 |
fputaspect(d, stdout); |
546 |
|
|
} |
547 |
greg |
1.15 |
/* record exposure */ |
548 |
greg |
2.36 |
d = bright(exposure); |
549 |
greg |
1.15 |
if (!FEQ(d,1.0)) |
550 |
greg |
1.9 |
fputexpos(d, stdout); |
551 |
greg |
1.15 |
/* record color correction */ |
552 |
|
|
copycolor(ctmp, exposure); |
553 |
|
|
scalecolor(ctmp, 1.0/d); |
554 |
|
|
if (!FEQ(colval(ctmp,RED),colval(ctmp,GRN)) || |
555 |
|
|
!FEQ(colval(ctmp,GRN),colval(ctmp,BLU))) |
556 |
|
|
fputcolcor(ctmp, stdout); |
557 |
greg |
1.1 |
printf("\n"); |
558 |
greg |
1.15 |
/* write out resolution */ |
559 |
greg |
1.19 |
fputresolu(order, ncols, nrows, stdout); |
560 |
greg |
2.10 |
return; |
561 |
|
|
memerr: |
562 |
|
|
fprintf(stderr, "%s: out of memory\n", progname); |
563 |
|
|
quit(1); |
564 |
greg |
2.9 |
} |
565 |
|
|
|
566 |
|
|
|
567 |
schorsch |
2.29 |
static void |
568 |
|
|
scan2sync( /* synchronize grey averages and output scan */ |
569 |
|
|
int r |
570 |
|
|
) |
571 |
greg |
2.9 |
{ |
572 |
|
|
static int nextrow = 0; |
573 |
greg |
2.36 |
SCOLOR ctmp; |
574 |
greg |
2.9 |
int ybot; |
575 |
greg |
2.32 |
int c; |
576 |
greg |
2.9 |
/* average input scanlines */ |
577 |
greg |
2.16 |
while (nextrow <= r+orad && nextrow < nrows) { |
578 |
greg |
2.19 |
ybot = (nextrow+.5)*yres/nrows; |
579 |
greg |
2.9 |
for (c = 0; c < ncols; c++) { |
580 |
greg |
2.19 |
dobox(ctmp, (int)((c+.5)*xres/ncols),ybot, c,nextrow); |
581 |
greg |
2.15 |
greybar[nextrow%obarsize][c] = (*ourbright)(ctmp); |
582 |
greg |
2.9 |
} |
583 |
|
|
/* and zero output scanline */ |
584 |
greg |
2.36 |
memset(scoutbar[nextrow%obarsize], 0, ncols*NCSAMP*sizeof(COLORV)); |
585 |
greg |
2.9 |
nextrow++; |
586 |
|
|
} |
587 |
|
|
/* point to top scanline for output */ |
588 |
|
|
if (r-orad >= 0) |
589 |
|
|
scanout = scoutbar[(r-orad)%obarsize]; |
590 |
|
|
else |
591 |
|
|
scanout = NULL; |
592 |
|
|
} |
593 |
|
|
|
594 |
|
|
|
595 |
schorsch |
2.29 |
static void |
596 |
|
|
scan2flush(void) /* flush output buffer */ |
597 |
greg |
2.9 |
{ |
598 |
greg |
2.32 |
int r; |
599 |
greg |
2.9 |
|
600 |
|
|
for (r = nrows-orad; r < nrows; r++) |
601 |
greg |
2.36 |
if (fwritesscan(scoutbar[r%obarsize], NCSAMP, ncols, stdout) < 0) |
602 |
greg |
2.9 |
break; |
603 |
|
|
if (fflush(stdout) < 0) { |
604 |
|
|
fprintf(stderr, "%s: write error at end of pass2\n", progname); |
605 |
greg |
2.18 |
quit(1); |
606 |
greg |
2.9 |
} |
607 |
greg |
1.1 |
} |
608 |
|
|
|
609 |
|
|
|
610 |
greg |
2.21 |
void |
611 |
greg |
1.1 |
quit(code) /* remove temporary file and exit */ |
612 |
|
|
int code; |
613 |
|
|
{ |
614 |
|
|
if (tfname != NULL) |
615 |
|
|
unlink(tfname); |
616 |
|
|
exit(code); |
617 |
|
|
} |