1 |
< |
/* Copyright (c) 1991 Regents of the University of California */ |
1 |
> |
/* Copyright (c) 1992 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"; |
12 |
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13 |
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#include "ray.h" |
14 |
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|
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+ |
#ifndef NIX |
16 |
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#ifdef BSD |
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#include <sys/time.h> |
18 |
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#include <sys/resource.h> |
19 |
+ |
#else |
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#include <sys/types.h> |
21 |
+ |
#include <sys/times.h> |
22 |
+ |
#include <limits.h> |
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extern time_t time(); |
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#endif |
25 |
+ |
#else |
26 |
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extern unsigned long time(); |
27 |
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#endif |
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|
29 |
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#include <signal.h> |
21 |
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#include <fcntl.h> |
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|
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#include "view.h" |
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|
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#include "random.h" |
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|
37 |
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#include "paths.h" |
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|
39 |
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#define RFTEMPLATE "rfXXXXXX" |
40 |
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|
41 |
+ |
#ifndef SIGCONT |
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+ |
#define SIGCONT SIGIO |
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#endif |
44 |
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|
45 |
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int dimlist[MAXDIM]; /* sampling dimensions */ |
46 |
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int ndims = 0; /* number of sampling dimensions */ |
47 |
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int samplendx; /* sample index number */ |
49 |
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VIEW ourview = STDVIEW; /* view parameters */ |
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int hresolu = 512; /* horizontal resolution */ |
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int vresolu = 512; /* vertical resolution */ |
52 |
< |
double pixaspect = 1.0; /* pixel aspect ratio */ |
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> |
double pixaspect = 1.0; /* pixel aspect ratio */ |
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|
54 |
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int psample = 4; /* pixel sample size */ |
55 |
< |
double maxdiff = .05; /* max. difference for interpolation */ |
56 |
< |
double dstrpix = 0.67; /* square pixel distribution */ |
55 |
> |
double maxdiff = .05; /* max. difference for interpolation */ |
56 |
> |
double dstrpix = 0.67; /* square pixel distribution */ |
57 |
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|
58 |
< |
double dstrsrc = 0.0; /* square source distribution */ |
59 |
< |
double shadthresh = .05; /* shadow threshold */ |
60 |
< |
double shadcert = .5; /* shadow certainty */ |
58 |
> |
double dstrsrc = 0.0; /* square source distribution */ |
59 |
> |
double shadthresh = .05; /* shadow threshold */ |
60 |
> |
double shadcert = .5; /* shadow certainty */ |
61 |
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int directrelay = 1; /* number of source relays */ |
62 |
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int vspretest = 512; /* virtual source pretest density */ |
63 |
< |
int directinvis = 0; /* sources invisible? */ |
64 |
< |
double srcsizerat = .25; /* maximum ratio source size/dist. */ |
63 |
> |
int directvis = 1; /* sources visible? */ |
64 |
> |
double srcsizerat = .25; /* maximum ratio source size/dist. */ |
65 |
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|
66 |
< |
double specthresh = .15; /* specular sampling threshold */ |
67 |
< |
double specjitter = 1.; /* specular sampling jitter */ |
66 |
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double specthresh = .15; /* specular sampling threshold */ |
67 |
> |
double specjitter = 1.; /* specular sampling jitter */ |
68 |
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|
69 |
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int maxdepth = 6; /* maximum recursion depth */ |
70 |
< |
double minweight = 5e-3; /* minimum ray weight */ |
70 |
> |
double minweight = 5e-3; /* minimum ray weight */ |
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|
72 |
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COLOR ambval = BLKCOLOR; /* ambient value */ |
73 |
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double ambacc = 0.2; /* ambient accuracy */ |
73 |
> |
double ambacc = 0.2; /* ambient accuracy */ |
74 |
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int ambres = 32; /* ambient resolution */ |
75 |
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int ambdiv = 128; /* ambient divisions */ |
76 |
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int ambssamp = 0; /* ambient super-samples */ |
78 |
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char *amblist[128]; /* ambient include/exclude list */ |
79 |
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int ambincl = -1; /* include == 1, exclude == 0 */ |
80 |
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|
81 |
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#ifdef MSDOS |
82 |
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int ralrm = 60; /* seconds between reports */ |
83 |
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#else |
84 |
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int ralrm = 0; /* seconds between reports */ |
85 |
+ |
#endif |
86 |
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|
87 |
< |
double pctdone = 0.0; /* percentage done */ |
87 |
> |
double pctdone = 0.0; /* percentage done */ |
88 |
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|
89 |
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long tlastrept = 0L; /* time at last report */ |
89 |
> |
unsigned long tlastrept = 0L; /* time at last report */ |
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|
91 |
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extern long time(); |
72 |
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extern long tstart; /* starting time */ |
91 |
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extern unsigned long tstart; /* starting time */ |
92 |
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|
93 |
< |
extern long nrays; /* number of rays traced */ |
93 |
> |
extern unsigned long nrays; /* number of rays traced */ |
94 |
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|
95 |
< |
#define MAXDIV 16 /* maximum sample size */ |
95 |
> |
#define MAXDIV 16 /* maximum sample size */ |
96 |
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|
97 |
< |
#define pixjitter() (.5+dstrpix*(.5-frandom())) |
97 |
> |
#define pixjitter() (.5+dstrpix*(.5-frandom())) |
98 |
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|
99 |
< |
double pixvalue(); |
99 |
> |
static int hres, vres; /* resolution for this frame */ |
100 |
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|
101 |
+ |
extern char *mktemp(); |
102 |
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|
103 |
+ |
double pixvalue(); |
104 |
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|
105 |
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#ifdef NIX |
106 |
+ |
#define file_exists(f) (access(f,F_OK)==0) |
107 |
+ |
#else |
108 |
+ |
#include <sys/types.h> |
109 |
+ |
#include <sys/stat.h> |
110 |
+ |
int |
111 |
+ |
file_exists(fname) /* ordinary file exists? */ |
112 |
+ |
char *fname; |
113 |
+ |
{ |
114 |
+ |
struct stat sbuf; |
115 |
+ |
if (stat(fname, &sbuf) < 0) return(0); |
116 |
+ |
return((sbuf.st_mode & S_IFREG) != 0); |
117 |
+ |
} |
118 |
+ |
#endif |
119 |
+ |
|
120 |
+ |
|
121 |
|
quit(code) /* quit program */ |
122 |
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int code; |
123 |
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{ |
124 |
< |
if (code || ralrm > 0) /* report status */ |
124 |
> |
if (code) /* report status */ |
125 |
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report(); |
126 |
< |
|
126 |
> |
headclean(); /* delete header file */ |
127 |
> |
pfclean(); /* clean up persist files */ |
128 |
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exit(code); |
129 |
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} |
130 |
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|
131 |
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|
132 |
< |
#ifdef BSD |
132 |
> |
#ifndef NIX |
133 |
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report() /* report progress */ |
134 |
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{ |
135 |
+ |
char hostname[128]; |
136 |
+ |
double u, s; |
137 |
+ |
#ifdef BSD |
138 |
|
struct rusage rubuf; |
139 |
< |
double t; |
139 |
> |
#else |
140 |
> |
struct tms tbuf; |
141 |
> |
#endif |
142 |
|
|
143 |
+ |
tlastrept = time((unsigned long *)NULL); |
144 |
+ |
#ifdef BSD |
145 |
|
getrusage(RUSAGE_SELF, &rubuf); |
146 |
< |
t = (rubuf.ru_utime.tv_usec + rubuf.ru_stime.tv_usec) / 1e6; |
147 |
< |
t += rubuf.ru_utime.tv_sec + rubuf.ru_stime.tv_sec; |
146 |
> |
u = rubuf.ru_utime.tv_sec + rubuf.ru_utime.tv_usec/1e6; |
147 |
> |
s = rubuf.ru_stime.tv_sec + rubuf.ru_stime.tv_usec/1e6; |
148 |
|
getrusage(RUSAGE_CHILDREN, &rubuf); |
149 |
< |
t += (rubuf.ru_utime.tv_usec + rubuf.ru_stime.tv_usec) / 1e6; |
150 |
< |
t += rubuf.ru_utime.tv_sec + rubuf.ru_stime.tv_sec; |
149 |
> |
u += rubuf.ru_utime.tv_sec + rubuf.ru_utime.tv_usec/1e6; |
150 |
> |
s += rubuf.ru_stime.tv_sec + rubuf.ru_stime.tv_usec/1e6; |
151 |
> |
#else |
152 |
> |
times(&tbuf); |
153 |
> |
u = ( tbuf.tms_utime + tbuf.tms_cutime ) / CLK_TCK; |
154 |
> |
s = ( tbuf.tms_stime + tbuf.tms_cstime ) / CLK_TCK; |
155 |
> |
#endif |
156 |
> |
gethostname(hostname, sizeof(hostname)); |
157 |
|
|
158 |
< |
sprintf(errmsg, "%ld rays, %4.2f%% done after %5.4f CPU hours\n", |
159 |
< |
nrays, pctdone, t/3600.0); |
158 |
> |
sprintf(errmsg, |
159 |
> |
"%lu rays, %4.2f%% after %.3fu %.3fs %.3fr hours on %s\n", |
160 |
> |
nrays, pctdone, u/3600., s/3600., |
161 |
> |
(tlastrept-tstart)/3600., hostname); |
162 |
|
eputs(errmsg); |
109 |
– |
tlastrept = time((long *)0); |
163 |
|
} |
164 |
|
#else |
165 |
|
report() /* report progress */ |
166 |
|
{ |
167 |
< |
tlastrept = time((long *)0); |
168 |
< |
sprintf(errmsg, "%ld rays, %4.2f%% done after %5.4f hours\n", |
167 |
> |
tlastrept = time((unsigned long *)NULL); |
168 |
> |
sprintf(errmsg, "%lu rays, %4.2f%% after %5.4f hours\n", |
169 |
|
nrays, pctdone, (tlastrept-tstart)/3600.0); |
170 |
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eputs(errmsg); |
171 |
< |
signal(SIGALRM, report); |
171 |
> |
signal(SIGCONT, report); |
172 |
|
} |
173 |
|
#endif |
174 |
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|
175 |
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|
176 |
+ |
rpict(seq, pout, zout, prvr) /* generate image(s) */ |
177 |
+ |
int seq; |
178 |
+ |
char *pout, *zout, *prvr; |
179 |
+ |
/* |
180 |
+ |
* If seq is greater than zero, then we will render a sequence of |
181 |
+ |
* images based on view parameter strings read from the standard input. |
182 |
+ |
* If pout is NULL, then all images will be sent to the standard ouput. |
183 |
+ |
* If seq is greater than zero and prvr is an integer, then it is the |
184 |
+ |
* frame number at which rendering should begin. Preceeding view parameter |
185 |
+ |
* strings will be skipped in the input. |
186 |
+ |
* If pout and prvr are the same, prvr is renamed to avoid overwriting. |
187 |
+ |
* Note that pout and zout should contain %d format specifications for |
188 |
+ |
* sequenced file naming. |
189 |
+ |
*/ |
190 |
+ |
{ |
191 |
+ |
extern char *rindex(), *strncpy(), *strcat(), *strcpy(); |
192 |
+ |
char fbuf[128], fbuf2[128]; |
193 |
+ |
int npicts; |
194 |
+ |
register char *cp; |
195 |
+ |
RESOLU rs; |
196 |
+ |
double pa; |
197 |
+ |
/* check sampling */ |
198 |
+ |
if (psample < 1) |
199 |
+ |
psample = 1; |
200 |
+ |
else if (psample > MAXDIV) { |
201 |
+ |
sprintf(errmsg, "pixel sampling reduced from %d to %d", |
202 |
+ |
psample, MAXDIV); |
203 |
+ |
error(WARNING, errmsg); |
204 |
+ |
psample = MAXDIV; |
205 |
+ |
} |
206 |
+ |
/* get starting frame */ |
207 |
+ |
if (seq <= 0) |
208 |
+ |
seq = 0; |
209 |
+ |
else if (prvr != NULL && isint(prvr)) { |
210 |
+ |
register int rn; /* skip to specified view */ |
211 |
+ |
if ((rn = atoi(prvr)) < seq) |
212 |
+ |
error(USER, "recover frame less than start frame"); |
213 |
+ |
if (pout == NULL) |
214 |
+ |
error(USER, "missing output file specification"); |
215 |
+ |
for ( ; seq < rn; seq++) |
216 |
+ |
if (nextview(stdin) == EOF) |
217 |
+ |
error(USER, "unexpected EOF on view input"); |
218 |
+ |
prvr = fbuf; /* mark for renaming */ |
219 |
+ |
} |
220 |
+ |
if (pout != NULL & prvr != NULL) { |
221 |
+ |
sprintf(fbuf, pout, seq); |
222 |
+ |
if (!strcmp(prvr, fbuf)) { /* rename */ |
223 |
+ |
strcpy(fbuf2, fbuf); |
224 |
+ |
for (cp = fbuf2; *cp; cp++) |
225 |
+ |
; |
226 |
+ |
while (cp > fbuf2 && !ISDIRSEP(cp[-1])) |
227 |
+ |
cp--; |
228 |
+ |
strcpy(cp, RFTEMPLATE); |
229 |
+ |
prvr = mktemp(fbuf2); |
230 |
+ |
if (rename(fbuf, prvr) < 0) |
231 |
+ |
if (errno == ENOENT) { /* ghost file */ |
232 |
+ |
sprintf(errmsg, |
233 |
+ |
"new output file \"%s\"", |
234 |
+ |
fbuf); |
235 |
+ |
error(WARNING, errmsg); |
236 |
+ |
prvr = NULL; |
237 |
+ |
} else { /* serious error */ |
238 |
+ |
sprintf(errmsg, |
239 |
+ |
"cannot rename \"%s\" to \"%s\"", |
240 |
+ |
fbuf, prvr); |
241 |
+ |
error(SYSTEM, errmsg); |
242 |
+ |
} |
243 |
+ |
} |
244 |
+ |
} |
245 |
+ |
npicts = 0; /* render sequence */ |
246 |
+ |
do { |
247 |
+ |
if (seq && nextview(stdin) == EOF) |
248 |
+ |
break; |
249 |
+ |
pctdone = 0.0; |
250 |
+ |
if (pout != NULL) { |
251 |
+ |
sprintf(fbuf, pout, seq); |
252 |
+ |
if (file_exists(fbuf)) { |
253 |
+ |
if (prvr != NULL || !strcmp(fbuf, pout)) { |
254 |
+ |
sprintf(errmsg, |
255 |
+ |
"output file \"%s\" exists", |
256 |
+ |
fbuf); |
257 |
+ |
error(USER, errmsg); |
258 |
+ |
} |
259 |
+ |
continue; /* don't clobber */ |
260 |
+ |
} |
261 |
+ |
if (freopen(fbuf, "w", stdout) == NULL) { |
262 |
+ |
sprintf(errmsg, |
263 |
+ |
"cannot open output file \"%s\"", fbuf); |
264 |
+ |
error(SYSTEM, errmsg); |
265 |
+ |
} |
266 |
+ |
#ifdef MSDOS |
267 |
+ |
setmode(fileno(stdout), O_BINARY); |
268 |
+ |
#endif |
269 |
+ |
dupheader(); |
270 |
+ |
} |
271 |
+ |
hres = hresolu; vres = vresolu; pa = pixaspect; |
272 |
+ |
if (prvr != NULL) |
273 |
+ |
if (viewfile(prvr, &ourview, &rs) <= 0 |
274 |
+ |
|| rs.or != PIXSTANDARD) { |
275 |
+ |
sprintf(errmsg, |
276 |
+ |
"cannot recover view parameters from \"%s\"", prvr); |
277 |
+ |
error(WARNING, errmsg); |
278 |
+ |
} else { |
279 |
+ |
pa = 0.0; |
280 |
+ |
hres = scanlen(&rs); |
281 |
+ |
vres = numscans(&rs); |
282 |
+ |
} |
283 |
+ |
if ((cp = setview(&ourview)) != NULL) |
284 |
+ |
error(USER, cp); |
285 |
+ |
normaspect(viewaspect(&ourview), &pa, &hres, &vres); |
286 |
+ |
if (seq) { |
287 |
+ |
if (ralrm > 0) { |
288 |
+ |
fprintf(stderr, "FRAME %d:", seq); |
289 |
+ |
fprintview(&ourview, stderr); |
290 |
+ |
putc('\n', stderr); |
291 |
+ |
fflush(stderr); |
292 |
+ |
} |
293 |
+ |
printf("FRAME=%d\n", seq); |
294 |
+ |
} |
295 |
+ |
fputs(VIEWSTR, stdout); |
296 |
+ |
fprintview(&ourview, stdout); |
297 |
+ |
putchar('\n'); |
298 |
+ |
if (pa < .99 || pa > 1.01) |
299 |
+ |
fputaspect(pa, stdout); |
300 |
+ |
fputformat(COLRFMT, stdout); |
301 |
+ |
putchar('\n'); |
302 |
+ |
if (zout != NULL) |
303 |
+ |
sprintf(cp=fbuf, zout, seq); |
304 |
+ |
else |
305 |
+ |
cp = NULL; |
306 |
+ |
render(cp, prvr); |
307 |
+ |
prvr = NULL; |
308 |
+ |
npicts++; |
309 |
+ |
} while (seq++); |
310 |
+ |
/* check that we did something */ |
311 |
+ |
if (npicts == 0) |
312 |
+ |
error(WARNING, "no output produced"); |
313 |
+ |
} |
314 |
+ |
|
315 |
+ |
|
316 |
+ |
nextview(fp) /* get next view from fp */ |
317 |
+ |
FILE *fp; |
318 |
+ |
{ |
319 |
+ |
char linebuf[256]; |
320 |
+ |
|
321 |
+ |
while (fgets(linebuf, sizeof(linebuf), fp) != NULL) |
322 |
+ |
if (isview(linebuf) && sscanview(&ourview, linebuf) > 0) |
323 |
+ |
return(0); |
324 |
+ |
return(EOF); |
325 |
+ |
} |
326 |
+ |
|
327 |
+ |
|
328 |
|
render(zfile, oldfile) /* render the scene */ |
329 |
|
char *zfile, *oldfile; |
330 |
|
{ |
339 |
|
COLOR *colptr; |
340 |
|
float *zptr; |
341 |
|
register int i; |
137 |
– |
/* check sampling */ |
138 |
– |
if (psample < 1) |
139 |
– |
psample = 1; |
140 |
– |
else if (psample > MAXDIV) { |
141 |
– |
sprintf(errmsg, "pixel sampling reduced from %d to %d", |
142 |
– |
psample, MAXDIV); |
143 |
– |
error(WARNING, errmsg); |
144 |
– |
psample = MAXDIV; |
145 |
– |
} |
342 |
|
/* allocate scanlines */ |
343 |
|
for (i = 0; i <= psample; i++) { |
344 |
< |
scanbar[i] = (COLOR *)malloc(hresolu*sizeof(COLOR)); |
344 |
> |
scanbar[i] = (COLOR *)malloc(hres*sizeof(COLOR)); |
345 |
|
if (scanbar[i] == NULL) |
346 |
|
goto memerr; |
347 |
|
} |
348 |
|
hstep = (psample*140+49)/99; /* quincunx sampling */ |
349 |
|
ystep = (psample*99+70)/140; |
350 |
|
if (hstep > 2) { |
351 |
< |
i = hresolu/hstep + 2; |
351 |
> |
i = hres/hstep + 2; |
352 |
|
if ((sampdens = malloc(i)) == NULL) |
353 |
|
goto memerr; |
354 |
|
while (i--) |
355 |
|
sampdens[i] = hstep; |
356 |
|
} else |
357 |
|
sampdens = NULL; |
358 |
< |
/* open z file */ |
358 |
> |
/* open z-file */ |
359 |
|
if (zfile != NULL) { |
360 |
|
if ((zfd = open(zfile, O_WRONLY|O_CREAT, 0666)) == -1) { |
361 |
< |
sprintf(errmsg, "cannot open z file \"%s\"", zfile); |
361 |
> |
sprintf(errmsg, "cannot open z-file \"%s\"", zfile); |
362 |
|
error(SYSTEM, errmsg); |
363 |
|
} |
364 |
+ |
#ifdef MSDOS |
365 |
+ |
setmode(zfd, O_BINARY); |
366 |
+ |
#endif |
367 |
|
for (i = 0; i <= psample; i++) { |
368 |
< |
zbar[i] = (float *)malloc(hresolu*sizeof(float)); |
368 |
> |
zbar[i] = (float *)malloc(hres*sizeof(float)); |
369 |
|
if (zbar[i] == NULL) |
370 |
|
goto memerr; |
371 |
|
} |
375 |
|
zbar[i] = NULL; |
376 |
|
} |
377 |
|
/* write out boundaries */ |
378 |
< |
fprtresolu(hresolu, vresolu, stdout); |
378 |
> |
fprtresolu(hres, vres, stdout); |
379 |
|
/* recover file and compute first */ |
380 |
|
i = salvage(oldfile); |
381 |
|
if (zfd != -1 && i > 0 && |
382 |
< |
lseek(zfd, (long)i*hresolu*sizeof(float), 0) == -1) |
383 |
< |
error(SYSTEM, "z file seek error in render"); |
384 |
< |
pctdone = 100.0*i/vresolu; |
382 |
> |
lseek(zfd, (long)i*hres*sizeof(float), 0) == -1) |
383 |
> |
error(SYSTEM, "z-file seek error in render"); |
384 |
> |
pctdone = 100.0*i/vres; |
385 |
|
if (ralrm > 0) /* report init stats */ |
386 |
|
report(); |
387 |
< |
#ifndef BSD |
387 |
> |
#ifndef BSD |
388 |
|
else |
389 |
|
#endif |
390 |
< |
signal(SIGALRM, report); |
391 |
< |
ypos = vresolu-1 - i; |
392 |
< |
fillscanline(scanbar[0], zbar[0], sampdens, hresolu, ypos, hstep); |
390 |
> |
signal(SIGCONT, report); |
391 |
> |
ypos = vres-1 - i; |
392 |
> |
fillscanline(scanbar[0], zbar[0], sampdens, hres, ypos, hstep); |
393 |
|
/* compute scanlines */ |
394 |
|
for (ypos -= ystep; ypos > -ystep; ypos -= ystep) { |
395 |
|
/* bottom adjust? */ |
405 |
|
zbar[0] = zptr; |
406 |
|
/* fill base line */ |
407 |
|
fillscanline(scanbar[0], zbar[0], sampdens, |
408 |
< |
hresolu, ypos, hstep); |
408 |
> |
hres, ypos, hstep); |
409 |
|
/* fill bar */ |
410 |
< |
fillscanbar(scanbar, zbar, hresolu, ypos, ystep); |
410 |
> |
fillscanbar(scanbar, zbar, hres, ypos, ystep); |
411 |
|
/* write it out */ |
412 |
< |
#ifndef BSD |
413 |
< |
signal(SIGALRM, SIG_IGN); /* don't interrupt writes */ |
412 |
> |
#ifndef BSD |
413 |
> |
signal(SIGCONT, SIG_IGN); /* don't interrupt writes */ |
414 |
|
#endif |
415 |
|
for (i = ystep; i > 0; i--) { |
416 |
|
if (zfd != -1 && write(zfd, (char *)zbar[i], |
417 |
< |
hresolu*sizeof(float)) |
418 |
< |
< hresolu*sizeof(float)) |
417 |
> |
hres*sizeof(float)) |
418 |
> |
< hres*sizeof(float)) |
419 |
|
goto writerr; |
420 |
< |
if (fwritescan(scanbar[i], hresolu, stdout) < 0) |
420 |
> |
if (fwritescan(scanbar[i], hres, stdout) < 0) |
421 |
|
goto writerr; |
422 |
|
} |
423 |
|
if (fflush(stdout) == EOF) |
424 |
|
goto writerr; |
425 |
|
/* record progress */ |
426 |
< |
pctdone = 100.0*(vresolu-1-ypos)/vresolu; |
427 |
< |
if (ralrm > 0 && time((long *)0) >= tlastrept+ralrm) |
426 |
> |
pctdone = 100.0*(vres-1-ypos)/vres; |
427 |
> |
if (ralrm > 0 && time((unsigned long *)NULL) >= tlastrept+ralrm) |
428 |
|
report(); |
429 |
< |
#ifndef BSD |
429 |
> |
#ifndef BSD |
430 |
|
else |
431 |
< |
signal(SIGALRM, report); |
431 |
> |
signal(SIGCONT, report); |
432 |
|
#endif |
433 |
|
} |
434 |
|
/* clean up */ |
435 |
< |
signal(SIGALRM, SIG_IGN); |
435 |
> |
signal(SIGCONT, SIG_IGN); |
436 |
|
if (zfd != -1) { |
437 |
< |
if (write(zfd, (char *)zbar[0], hresolu*sizeof(float)) |
438 |
< |
< hresolu*sizeof(float)) |
437 |
> |
if (write(zfd, (char *)zbar[0], hres*sizeof(float)) |
438 |
> |
< hres*sizeof(float)) |
439 |
|
goto writerr; |
440 |
|
if (close(zfd) == -1) |
441 |
|
goto writerr; |
442 |
|
for (i = 0; i <= psample; i++) |
443 |
|
free((char *)zbar[i]); |
444 |
|
} |
445 |
< |
fwritescan(scanbar[0], hresolu, stdout); |
445 |
> |
fwritescan(scanbar[0], hres, stdout); |
446 |
|
if (fflush(stdout) == EOF) |
447 |
|
goto writerr; |
448 |
|
for (i = 0; i <= psample; i++) |
450 |
|
if (sampdens != NULL) |
451 |
|
free(sampdens); |
452 |
|
pctdone = 100.0; |
453 |
+ |
if (ralrm > 0) |
454 |
+ |
report(); |
455 |
+ |
signal(SIGCONT, SIG_DFL); |
456 |
|
return; |
457 |
|
writerr: |
458 |
|
error(SYSTEM, "write error in render"); |
462 |
|
|
463 |
|
|
464 |
|
fillscanline(scanline, zline, sd, xres, y, xstep) /* fill scan at y */ |
465 |
< |
register COLOR *scanline; |
466 |
< |
register float *zline; |
465 |
> |
register COLOR *scanline; |
466 |
> |
register float *zline; |
467 |
|
register char *sd; |
468 |
|
int xres, y, xstep; |
469 |
|
{ |
470 |
|
static int nc = 0; /* number of calls */ |
471 |
|
int bl = xstep, b = xstep; |
472 |
< |
double z; |
472 |
> |
double z; |
473 |
|
register int i; |
474 |
|
|
475 |
|
z = pixvalue(scanline[0], 0, y); |
497 |
|
|
498 |
|
|
499 |
|
fillscanbar(scanbar, zbar, xres, y, ysize) /* fill interior */ |
500 |
< |
register COLOR *scanbar[]; |
501 |
< |
register float *zbar[]; |
500 |
> |
register COLOR *scanbar[]; |
501 |
> |
register float *zbar[]; |
502 |
|
int xres, y, ysize; |
503 |
|
{ |
504 |
|
COLOR vline[MAXDIV+1]; |
528 |
|
|
529 |
|
|
530 |
|
int |
531 |
< |
fillsample(colline, zline, x, y, xlen, ylen, b) /* fill interior points */ |
532 |
< |
register COLOR *colline; |
533 |
< |
register float *zline; |
531 |
> |
fillsample(colline, zline, x, y, xlen, ylen, b) /* fill interior points */ |
532 |
> |
register COLOR *colline; |
533 |
> |
register float *zline; |
534 |
|
int x, y; |
535 |
|
int xlen, ylen; |
536 |
|
int b; |
537 |
|
{ |
538 |
< |
extern double fabs(); |
539 |
< |
double ratio; |
338 |
< |
double z; |
538 |
> |
double ratio; |
539 |
> |
double z; |
540 |
|
COLOR ctmp; |
541 |
|
int ncut; |
542 |
|
register int len; |
589 |
|
static RAY thisray; |
590 |
|
|
591 |
|
if (viewray(thisray.rorg, thisray.rdir, &ourview, |
592 |
< |
(x+pixjitter())/hresolu, (y+pixjitter())/vresolu) < 0) { |
592 |
> |
(x+pixjitter())/hres, (y+pixjitter())/vres) < 0) { |
593 |
|
setcolor(col, 0.0, 0.0, 0.0); |
594 |
|
return(0.0); |
595 |
|
} |
596 |
|
|
597 |
|
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
598 |
|
|
599 |
< |
samplendx = pixnumber(x,y,hresolu,vresolu); /* set pixel index */ |
599 |
> |
samplendx = pixnumber(x,y,hres,vres); /* set pixel index */ |
600 |
|
|
601 |
|
rayvalue(&thisray); /* trace ray */ |
602 |
|
|
622 |
|
error(WARNING, errmsg); |
623 |
|
return(0); |
624 |
|
} |
625 |
+ |
#ifdef MSDOS |
626 |
+ |
setmode(fileno(fp), O_BINARY); |
627 |
+ |
#endif |
628 |
|
/* discard header */ |
629 |
< |
getheader(fp, NULL); |
629 |
> |
getheader(fp, NULL, NULL); |
630 |
|
/* get picture size */ |
631 |
|
if (!fscnresolu(&x, &y, fp)) { |
632 |
< |
sprintf(errmsg, "bad recover file \"%s\"", oldfile); |
632 |
> |
sprintf(errmsg, "bad recover file \"%s\" - not removed", |
633 |
> |
oldfile); |
634 |
|
error(WARNING, errmsg); |
635 |
|
fclose(fp); |
636 |
|
return(0); |
637 |
|
} |
638 |
|
|
639 |
< |
if (x != hresolu || y != vresolu) { |
639 |
> |
if (x != hres || y != vres) { |
640 |
|
sprintf(errmsg, "resolution mismatch in recover file \"%s\"", |
641 |
|
oldfile); |
642 |
|
error(USER, errmsg); |
643 |
|
} |
644 |
|
|
645 |
< |
scanline = (COLR *)malloc(hresolu*sizeof(COLR)); |
645 |
> |
scanline = (COLR *)malloc(hres*sizeof(COLR)); |
646 |
|
if (scanline == NULL) |
647 |
|
error(SYSTEM, "out of memory in salvage"); |
648 |
< |
for (y = 0; y < vresolu; y++) { |
649 |
< |
if (freadcolrs(scanline, hresolu, fp) < 0) |
648 |
> |
for (y = 0; y < vres; y++) { |
649 |
> |
if (freadcolrs(scanline, hres, fp) < 0) |
650 |
|
break; |
651 |
< |
if (fwritecolrs(scanline, hresolu, stdout) < 0) |
651 |
> |
if (fwritecolrs(scanline, hres, stdout) < 0) |
652 |
|
goto writerr; |
653 |
|
} |
654 |
|
if (fflush(stdout) == EOF) |
658 |
|
unlink(oldfile); |
659 |
|
return(y); |
660 |
|
writerr: |
661 |
< |
error(SYSTEM, "write error in salvage"); |
661 |
> |
sprintf(errmsg, "write error during recovery of \"%s\"", oldfile); |
662 |
> |
error(SYSTEM, errmsg); |
663 |
|
} |
664 |
|
|
665 |
|
|