1 |
greg |
3.1 |
#ifndef lint |
2 |
greg |
3.15 |
static const char RCSid[] = "$Id: ranimove1.c,v 3.14 2008/04/17 14:49:59 greg Exp $"; |
3 |
greg |
3.1 |
#endif |
4 |
|
|
/* |
5 |
|
|
* ranimove1.c |
6 |
|
|
* |
7 |
greg |
3.11 |
* Basic frame rendering routines for ranimove(1). |
8 |
greg |
3.1 |
* |
9 |
|
|
* Created by Gregory Ward on Wed Jan 08 2003. |
10 |
|
|
*/ |
11 |
|
|
|
12 |
greg |
3.2 |
#include "copyright.h" |
13 |
greg |
3.1 |
|
14 |
schorsch |
3.4 |
#include <string.h> |
15 |
|
|
|
16 |
schorsch |
3.3 |
#include "platform.h" |
17 |
greg |
3.1 |
#include "ranimove.h" |
18 |
|
|
#include "otypes.h" |
19 |
schorsch |
3.8 |
#include "source.h" |
20 |
greg |
3.1 |
#include "random.h" |
21 |
|
|
|
22 |
|
|
double acctab[256]; /* accuracy value table */ |
23 |
|
|
|
24 |
|
|
int hres, vres; /* frame resolution (fcur) */ |
25 |
|
|
double pixaspect; /* pixel aspect ratio */ |
26 |
|
|
|
27 |
|
|
VIEW vw; /* view for this frame */ |
28 |
|
|
COLOR *cbuffer; /* color at each pixel */ |
29 |
|
|
float *zbuffer; /* depth at each pixel */ |
30 |
|
|
OBJECT *obuffer; /* object id at each pixel */ |
31 |
|
|
short *xmbuffer; /* x motion at each pixel */ |
32 |
|
|
short *ymbuffer; /* y motion at each pixel */ |
33 |
|
|
BYTE *abuffer; /* accuracy at each pixel */ |
34 |
|
|
BYTE *sbuffer; /* sample count per pixel */ |
35 |
|
|
|
36 |
|
|
VIEW vwprev; /* last frame's view */ |
37 |
|
|
COLOR *cprev; /* last frame colors */ |
38 |
|
|
float *zprev; /* last frame depth */ |
39 |
|
|
OBJECT *oprev; /* last frame objects */ |
40 |
|
|
BYTE *aprev; /* last frame accuracy */ |
41 |
|
|
|
42 |
|
|
float *cerrmap; /* conspicuous error map */ |
43 |
|
|
COLOR *val2map; /* value-squared map for variance */ |
44 |
|
|
|
45 |
|
|
double frm_stop; /* when to stop rendering this frame */ |
46 |
|
|
|
47 |
|
|
double hlsmax; /* maximum high-level saliency this frame */ |
48 |
|
|
|
49 |
|
|
|
50 |
schorsch |
3.8 |
static void next_frame(void); |
51 |
|
|
static int sample_here(int x, int y); |
52 |
|
|
static int offset_cmp(const void *p1, const void *p2); |
53 |
|
|
static void setmotion(int n, FVECT wpos); |
54 |
|
|
static void init_frame_sample(void); |
55 |
|
|
|
56 |
|
|
|
57 |
greg |
3.14 |
#if 0 |
58 |
schorsch |
3.8 |
extern void |
59 |
|
|
write_map( /* write out float map (debugging) */ |
60 |
|
|
float *mp, |
61 |
|
|
char *fn |
62 |
|
|
) |
63 |
greg |
3.1 |
{ |
64 |
|
|
FILE *fp = fopen(fn, "w"); |
65 |
|
|
COLOR scanbuf[2048]; |
66 |
|
|
int x, y; |
67 |
|
|
|
68 |
|
|
if (fp == NULL) |
69 |
|
|
return; |
70 |
|
|
newheader("RADIANCE", fp); |
71 |
|
|
fputformat(COLRFMT, fp); |
72 |
|
|
fputc('\n', fp); /* end header */ |
73 |
|
|
fprtresolu(hres, vres, fp); |
74 |
|
|
for (y = vres; y--; ) { /* write scanlines */ |
75 |
|
|
float *bp = mp + (y+1)*hres - 1; |
76 |
|
|
for (x = hres; x--; bp--) |
77 |
|
|
setcolor(scanbuf[x], *bp, *bp, *bp); |
78 |
|
|
if (fwritescan(scanbuf, hres, fp) < 0) |
79 |
|
|
break; |
80 |
|
|
} |
81 |
|
|
fclose(fp); |
82 |
|
|
} |
83 |
greg |
3.14 |
#endif |
84 |
greg |
3.1 |
|
85 |
|
|
|
86 |
|
|
static void |
87 |
schorsch |
3.8 |
next_frame(void) /* prepare next frame buffer */ |
88 |
greg |
3.1 |
{ |
89 |
|
|
VIEW *fv; |
90 |
|
|
char *err; |
91 |
|
|
/* get previous view */ |
92 |
|
|
if (vw.type != 0) |
93 |
schorsch |
3.5 |
vwprev = vw; |
94 |
greg |
3.1 |
else if (fcur > 1 && (fv = getview(fcur-1)) != NULL) { |
95 |
schorsch |
3.5 |
vwprev = *fv; |
96 |
greg |
3.1 |
if (setview(&vwprev) != NULL) |
97 |
|
|
vwprev.type = 0; |
98 |
|
|
} |
99 |
|
|
/* get current view */ |
100 |
|
|
if ((fv = getview(fcur)) == NULL) { |
101 |
|
|
sprintf(errmsg, "cannot get view for frame %d", fcur); |
102 |
|
|
error(USER, errmsg); |
103 |
|
|
} |
104 |
schorsch |
3.5 |
vw = *fv; |
105 |
greg |
3.1 |
if ((err = setview(&vw)) != NULL) { |
106 |
|
|
sprintf(errmsg, "view error at frame %d: %s", fcur, err); |
107 |
|
|
error(USER, errmsg); |
108 |
|
|
} |
109 |
|
|
if (cbuffer == NULL) { |
110 |
|
|
/* compute resolution and allocate */ |
111 |
|
|
switch (sscanf(vval(RESOLUTION), "%d %d %lf", |
112 |
|
|
&hres, &vres, &pixaspect)) { |
113 |
|
|
case 1: |
114 |
|
|
vres = hres; |
115 |
|
|
/* fall through */ |
116 |
|
|
case 2: |
117 |
|
|
pixaspect = 1.; |
118 |
|
|
/* fall through */ |
119 |
|
|
case 3: |
120 |
schorsch |
3.6 |
if ((hres > 0) & (vres > 0)) |
121 |
greg |
3.1 |
break; |
122 |
|
|
/* fall through */ |
123 |
|
|
default: |
124 |
|
|
sprintf(errmsg, "bad %s value", vnam(RESOLUTION)); |
125 |
|
|
error(USER, errmsg); |
126 |
|
|
} |
127 |
|
|
normaspect(viewaspect(&vw), &pixaspect, &hres, &vres); |
128 |
|
|
cbuffer = (COLOR *)malloc(sizeof(COLOR)*hres*vres); |
129 |
|
|
zbuffer = (float *)malloc(sizeof(float)*hres*vres); |
130 |
|
|
obuffer = (OBJECT *)malloc(sizeof(OBJECT)*hres*vres); |
131 |
|
|
xmbuffer = (short *)malloc(sizeof(short)*hres*vres); |
132 |
|
|
ymbuffer = (short *)malloc(sizeof(short)*hres*vres); |
133 |
|
|
abuffer = (BYTE *)calloc(hres*vres, sizeof(BYTE)); |
134 |
|
|
sbuffer = (BYTE *)calloc(hres*vres, sizeof(BYTE)); |
135 |
|
|
cprev = (COLOR *)malloc(sizeof(COLOR)*hres*vres); |
136 |
|
|
zprev = (float *)malloc(sizeof(float)*hres*vres); |
137 |
|
|
oprev = (OBJECT *)malloc(sizeof(OBJECT)*hres*vres); |
138 |
|
|
aprev = (BYTE *)malloc(sizeof(BYTE)*hres*vres); |
139 |
schorsch |
3.6 |
if ((cbuffer==NULL) | (zbuffer==NULL) | (obuffer==NULL) | |
140 |
|
|
(xmbuffer==NULL) | (ymbuffer==NULL) | |
141 |
|
|
(abuffer==NULL) | (sbuffer==NULL) | |
142 |
|
|
(cprev==NULL) | (zprev == NULL) | |
143 |
|
|
(oprev==NULL) | (aprev==NULL)) |
144 |
greg |
3.1 |
error(SYSTEM, "out of memory in init_frame"); |
145 |
|
|
frm_stop = getTime() + rtperfrm; |
146 |
|
|
} else { |
147 |
|
|
COLOR *cp; /* else just swap buffers */ |
148 |
|
|
float *fp; |
149 |
|
|
OBJECT *op; |
150 |
|
|
BYTE *bp; |
151 |
|
|
cp = cprev; cprev = cbuffer; cbuffer = cp; |
152 |
|
|
fp = zprev; zprev = zbuffer; zbuffer = fp; |
153 |
|
|
op = oprev; oprev = obuffer; obuffer = op; |
154 |
|
|
bp = aprev; aprev = abuffer; abuffer = bp; |
155 |
schorsch |
3.4 |
memset(abuffer, '\0', sizeof(BYTE)*hres*vres); |
156 |
|
|
memset(sbuffer, '\0', sizeof(BYTE)*hres*vres); |
157 |
greg |
3.1 |
frm_stop += rtperfrm; |
158 |
|
|
} |
159 |
|
|
cerrmap = NULL; |
160 |
|
|
val2map = NULL; |
161 |
|
|
} |
162 |
|
|
|
163 |
|
|
|
164 |
|
|
#define SAMPDIST 3 /* Maximum distance to neighbor sample */ |
165 |
|
|
#define SAMPDIST2 (SAMPDIST*SAMPDIST) |
166 |
|
|
|
167 |
|
|
|
168 |
|
|
static int |
169 |
schorsch |
3.8 |
sample_here( /* 4x4 quincunx sample at this pixel? */ |
170 |
|
|
register int x, |
171 |
|
|
register int y |
172 |
|
|
) |
173 |
greg |
3.1 |
{ |
174 |
|
|
if (y & 0x1) /* every other row has samples */ |
175 |
|
|
return(0); |
176 |
|
|
if (y & 0x3) /* every fourth row is offset */ |
177 |
|
|
x += 2; |
178 |
|
|
return((x & 0x3) == 0); /* every fourth column is sampled */ |
179 |
|
|
} |
180 |
|
|
|
181 |
|
|
|
182 |
schorsch |
3.8 |
extern void |
183 |
|
|
sample_pos( /* compute jittered sample position */ |
184 |
|
|
double hv[2], |
185 |
|
|
int x, |
186 |
|
|
int y, |
187 |
|
|
int sn |
188 |
|
|
) |
189 |
greg |
3.1 |
{ |
190 |
|
|
int hl[2]; |
191 |
|
|
|
192 |
|
|
hl[0] = x; hl[1] = y; |
193 |
|
|
multisamp(hv, 2, urand(ilhash(hl,2) + sn)); |
194 |
|
|
hv[0] = ((double)x + hv[0]) / (double)hres; |
195 |
|
|
hv[1] = ((double)y + hv[1]) / (double)vres; |
196 |
|
|
} |
197 |
|
|
|
198 |
|
|
|
199 |
schorsch |
3.8 |
extern double |
200 |
|
|
sample_wt( /* compute interpolant sample weight */ |
201 |
|
|
int xo, |
202 |
|
|
int yo |
203 |
|
|
) |
204 |
greg |
3.1 |
{ |
205 |
|
|
static double etab[400]; |
206 |
schorsch |
3.7 |
/* we can't use the name rad2 here, for some reason Visual C |
207 |
|
|
thinks that is a constant (compiler bug?) */ |
208 |
|
|
int rad_2 = xo*xo + yo*yo; |
209 |
greg |
3.1 |
int i; |
210 |
|
|
|
211 |
|
|
if (etab[0] <= FTINY) /* initialize exponent table */ |
212 |
|
|
for (i = 400; i--; ) |
213 |
|
|
etab[i] = exp(-0.1*i); |
214 |
|
|
|
215 |
|
|
/* look up Gaussian */ |
216 |
schorsch |
3.7 |
i = (int)((10.*3./(double)SAMPDIST2)*rad_2 + .5); |
217 |
greg |
3.1 |
if (i >= 400) |
218 |
|
|
return(0.0); |
219 |
|
|
return(etab[i]); |
220 |
|
|
} |
221 |
|
|
|
222 |
|
|
|
223 |
|
|
static int |
224 |
schorsch |
3.8 |
offset_cmp( /* compare offset distances */ |
225 |
|
|
const void *p1, |
226 |
|
|
const void *p2 |
227 |
|
|
) |
228 |
greg |
3.1 |
{ |
229 |
|
|
return(*(const int *)p1 - *(const int *)p2); |
230 |
|
|
} |
231 |
|
|
|
232 |
|
|
|
233 |
schorsch |
3.8 |
extern int |
234 |
|
|
getclosest( /* get nc closest neighbors on same object */ |
235 |
|
|
int *iarr, |
236 |
|
|
int nc, |
237 |
|
|
int x, |
238 |
|
|
int y |
239 |
|
|
) |
240 |
greg |
3.1 |
{ |
241 |
|
|
#define NSCHECK ((2*SAMPDIST+1)*(2*SAMPDIST+1)) |
242 |
|
|
static int hro, vro; |
243 |
|
|
static int ioffs[NSCHECK]; |
244 |
|
|
OBJECT myobj; |
245 |
|
|
int i0, nf; |
246 |
|
|
register int i, j; |
247 |
|
|
/* get our object number */ |
248 |
|
|
myobj = obuffer[fndx(x, y)]; |
249 |
|
|
/* special case for borders */ |
250 |
schorsch |
3.6 |
if ((x < SAMPDIST) | (x >= hres-SAMPDIST) | |
251 |
|
|
(y < SAMPDIST) | (y >= vres-SAMPDIST)) { |
252 |
greg |
3.1 |
int tndx[NSCHECK][2]; |
253 |
|
|
nf = 0; |
254 |
|
|
for (j = y - SAMPDIST; j <= y + SAMPDIST; j++) { |
255 |
|
|
if (j >= vres) break; |
256 |
|
|
if (j < 0) j = 0; |
257 |
|
|
for (i = x - SAMPDIST; i <= x + SAMPDIST; i++) { |
258 |
|
|
if (i >= hres) break; |
259 |
|
|
if (i < 0) i = 0; |
260 |
|
|
i0 = fndx(i, j); |
261 |
|
|
if (!sbuffer[i0]) |
262 |
|
|
continue; |
263 |
schorsch |
3.6 |
if ((myobj != OVOID) & (obuffer[i0] != myobj)) |
264 |
greg |
3.1 |
continue; |
265 |
|
|
tndx[nf][0] = (i-x)*(i-x) + (j-y)*(j-y); |
266 |
|
|
tndx[nf][1] = i0; |
267 |
|
|
nf++; |
268 |
|
|
} |
269 |
|
|
} |
270 |
|
|
qsort((void *)tndx, nf, 2*sizeof(int), offset_cmp); |
271 |
|
|
if (nf > nc) |
272 |
|
|
nf = nc; |
273 |
|
|
for (i = nf; i--; ) |
274 |
|
|
iarr[i] = tndx[i][1]; |
275 |
|
|
return(nf); |
276 |
|
|
} |
277 |
|
|
/* initialize offset array */ |
278 |
schorsch |
3.6 |
if ((hres != hro) | (vres != vro)) { |
279 |
greg |
3.1 |
int toffs[NSCHECK][2]; |
280 |
|
|
i0 = fndx(SAMPDIST, SAMPDIST); |
281 |
|
|
nf = 0; |
282 |
|
|
for (i = 0; i <= 2*SAMPDIST; i++) |
283 |
|
|
for (j = 0; j <= 2*SAMPDIST; j++) { |
284 |
|
|
toffs[nf][0] = (i-SAMPDIST)*(i-SAMPDIST) + |
285 |
|
|
(j-SAMPDIST)*(j-SAMPDIST); |
286 |
|
|
toffs[nf][1] = fndx(i, j) - i0; |
287 |
|
|
nf++; |
288 |
|
|
} |
289 |
|
|
qsort((void *)toffs, nf, 2*sizeof(int), offset_cmp); |
290 |
|
|
for (i = NSCHECK; i--; ) |
291 |
|
|
ioffs[i] = toffs[i][1]; |
292 |
|
|
hro = hres; |
293 |
|
|
vro = vres; |
294 |
|
|
} |
295 |
|
|
/* find up to nc neighbors */ |
296 |
|
|
i0 = fndx(x, y); |
297 |
schorsch |
3.6 |
for (j = 0, nf = 0; (j < NSCHECK) & (nf < nc); j++) { |
298 |
greg |
3.1 |
i = i0 + ioffs[j]; |
299 |
schorsch |
3.6 |
if (sbuffer[i] && (myobj == OVOID) | (obuffer[i] == myobj)) |
300 |
greg |
3.1 |
iarr[nf++] = i; |
301 |
|
|
} |
302 |
|
|
/* return number found */ |
303 |
|
|
return(nf); |
304 |
|
|
#undef NSCHECK |
305 |
|
|
} |
306 |
|
|
|
307 |
|
|
|
308 |
|
|
static void |
309 |
schorsch |
3.8 |
setmotion( /* compute motion vector for this pixel */ |
310 |
|
|
register int n, |
311 |
|
|
FVECT wpos |
312 |
|
|
) |
313 |
greg |
3.1 |
{ |
314 |
|
|
FVECT ovp; |
315 |
|
|
int moi; |
316 |
|
|
int xp, yp; |
317 |
|
|
/* ID object and update maximum HLS */ |
318 |
|
|
moi = getmove(obuffer[n]); |
319 |
|
|
if (moi >= 0 && obj_move[moi].cprio > hlsmax) |
320 |
|
|
hlsmax = obj_move[moi].cprio; |
321 |
|
|
if (vwprev.type == 0) /* return leaves MO_UNK */ |
322 |
|
|
return; |
323 |
|
|
if (moi >= 0) { /* move object point back */ |
324 |
|
|
multp3(ovp, wpos, obj_move[moi].bxfm); |
325 |
|
|
wpos = ovp; |
326 |
|
|
} |
327 |
|
|
viewloc(ovp, &vwprev, wpos); |
328 |
|
|
if (ovp[2] <= FTINY) |
329 |
|
|
return; |
330 |
|
|
xp = (int)(ovp[0]*hres); |
331 |
|
|
yp = (int)(ovp[1]*vres); |
332 |
|
|
xmbuffer[n] = xp - (n % hres); |
333 |
|
|
ymbuffer[n] = yp - (n / hres); |
334 |
schorsch |
3.6 |
if ((xp < 0) | (xp >= hres)) |
335 |
greg |
3.1 |
return; |
336 |
schorsch |
3.6 |
if ((yp < 0) | (yp >= vres)) |
337 |
greg |
3.1 |
return; |
338 |
|
|
n = fndx(xp, yp); |
339 |
schorsch |
3.6 |
if ((zprev[n] < 0.97*ovp[2]) | (zprev[n] > 1.03*ovp[2])) |
340 |
greg |
3.1 |
oprev[n] = OVOID; /* assume it's a bad match */ |
341 |
|
|
} |
342 |
|
|
|
343 |
|
|
|
344 |
|
|
static void |
345 |
schorsch |
3.8 |
init_frame_sample(void) /* sample our initial frame */ |
346 |
greg |
3.1 |
{ |
347 |
|
|
RAY ir; |
348 |
|
|
int x, y; |
349 |
|
|
register int n; |
350 |
|
|
|
351 |
|
|
if (!silent) { |
352 |
|
|
printf("\tComputing initial samples..."); |
353 |
|
|
fflush(stdout); |
354 |
|
|
} |
355 |
|
|
hlsmax = CSF_SMN; |
356 |
|
|
for (y = vres; y--; ) |
357 |
|
|
for (x = hres; x--; ) { |
358 |
|
|
double hv[2]; |
359 |
|
|
n = fndx(x, y); |
360 |
|
|
xmbuffer[n] = MO_UNK; |
361 |
|
|
ymbuffer[n] = MO_UNK; |
362 |
|
|
sample_pos(hv, x, y, 0); |
363 |
|
|
ir.rmax = viewray(ir.rorg, ir.rdir, &vw, hv[0], hv[1]); |
364 |
|
|
if (ir.rmax < -FTINY) { |
365 |
|
|
setcolor(cbuffer[n], 0., 0., 0.); |
366 |
|
|
zbuffer[n] = FHUGE; |
367 |
|
|
obuffer[n] = OVOID; |
368 |
|
|
abuffer[n] = ADISTANT; |
369 |
|
|
continue; |
370 |
|
|
} |
371 |
|
|
if (!sample_here(x, y)) { /* just cast */ |
372 |
greg |
3.10 |
rayorigin(&ir, PRIMARY, NULL, NULL); |
373 |
greg |
3.1 |
if (!localhit(&ir, &thescene)) { |
374 |
|
|
if (ir.ro != &Aftplane) |
375 |
|
|
sourcehit(&ir); |
376 |
|
|
copycolor(cbuffer[n], ir.rcol); |
377 |
|
|
zbuffer[n] = ir.rot; |
378 |
|
|
obuffer[n] = ir.robj; |
379 |
|
|
abuffer[n] = ADISTANT; |
380 |
|
|
sbuffer[n] = 1; |
381 |
|
|
} else { |
382 |
|
|
zbuffer[n] = ir.rot; |
383 |
|
|
obuffer[n] = ir.robj; |
384 |
|
|
setmotion(n, ir.rop); |
385 |
|
|
} |
386 |
|
|
continue; |
387 |
|
|
} |
388 |
|
|
if (nprocs > 1) { /* get sample */ |
389 |
|
|
int rval; |
390 |
greg |
3.10 |
rayorigin(&ir, PRIMARY, NULL, NULL); |
391 |
greg |
3.1 |
ir.rno = n; |
392 |
|
|
rval = ray_pqueue(&ir); |
393 |
|
|
if (!rval) |
394 |
|
|
continue; |
395 |
|
|
if (rval < 0) |
396 |
|
|
quit(1); |
397 |
|
|
n = ir.rno; |
398 |
|
|
} else |
399 |
|
|
ray_trace(&ir); |
400 |
|
|
copycolor(cbuffer[n], ir.rcol); |
401 |
|
|
zbuffer[n] = ir.rot; |
402 |
|
|
obuffer[n] = ir.robj; |
403 |
|
|
sbuffer[n] = 1; |
404 |
|
|
if (ir.rot >= FHUGE) |
405 |
|
|
abuffer[n] = ADISTANT; |
406 |
|
|
else { |
407 |
|
|
abuffer[n] = ALOWQ; |
408 |
|
|
setmotion(n, ir.rop); |
409 |
|
|
} |
410 |
|
|
} |
411 |
|
|
if (nprocs > 1) /* get stragglers */ |
412 |
|
|
while (ray_presult(&ir, 0)) { |
413 |
|
|
n = ir.rno; |
414 |
|
|
copycolor(cbuffer[n], ir.rcol); |
415 |
|
|
zbuffer[n] = ir.rot; |
416 |
|
|
obuffer[n] = ir.robj; |
417 |
|
|
sbuffer[n] = 1; |
418 |
|
|
if (ir.rot >= FHUGE) |
419 |
|
|
abuffer[n] = ADISTANT; |
420 |
|
|
else { |
421 |
|
|
abuffer[n] = ALOWQ; |
422 |
|
|
setmotion(n, ir.rop); |
423 |
|
|
} |
424 |
|
|
} |
425 |
|
|
/* ambiguate object boundaries */ |
426 |
|
|
for (y = vres-1; y--; ) |
427 |
|
|
for (x = hres-1; x--; ) { |
428 |
|
|
OBJECT obj; |
429 |
|
|
n = fndx(x, y); |
430 |
|
|
if ((obj = obuffer[n]) == OVOID) |
431 |
|
|
continue; |
432 |
schorsch |
3.6 |
if ((obuffer[n+1] != OVOID) & (obuffer[n+1] != obj)) { |
433 |
greg |
3.1 |
obuffer[n] = OVOID; |
434 |
|
|
obuffer[n+1] = OVOID; |
435 |
|
|
} |
436 |
schorsch |
3.6 |
if ((obuffer[n+hres] != OVOID) & (obuffer[n+hres] != obj)) { |
437 |
greg |
3.1 |
obuffer[n] = OVOID; |
438 |
|
|
obuffer[n+hres] = OVOID; |
439 |
|
|
} |
440 |
|
|
} |
441 |
|
|
|
442 |
|
|
if (!silent) |
443 |
|
|
printf("done\n"); |
444 |
|
|
} |
445 |
|
|
|
446 |
|
|
|
447 |
schorsch |
3.8 |
extern int |
448 |
|
|
getambcolor( /* get ambient color for object if we can */ |
449 |
|
|
COLOR clr, |
450 |
|
|
int obj |
451 |
|
|
) |
452 |
greg |
3.1 |
{ |
453 |
|
|
register OBJREC *op; |
454 |
|
|
|
455 |
|
|
if (obj == OVOID) |
456 |
|
|
return(0); |
457 |
|
|
op = objptr(obj); |
458 |
schorsch |
3.6 |
if ((op->otype == OBJ_INSTANCE) & (op->omod == OVOID)) |
459 |
greg |
3.1 |
return(0); |
460 |
|
|
/* search for material */ |
461 |
|
|
do { |
462 |
|
|
if (op->omod == OVOID || ofun[op->otype].flags & T_X) |
463 |
|
|
return(0); |
464 |
|
|
op = objptr(op->omod); |
465 |
|
|
} while (!ismaterial(op->otype)); |
466 |
|
|
/* |
467 |
|
|
* Since this routine is called to compute the difference |
468 |
|
|
* from rendering with and without interreflections, |
469 |
|
|
* we don't want to return colors for materials that are |
470 |
|
|
* explicitly excluded from the HQ ambient calculation. |
471 |
|
|
*/ |
472 |
|
|
if (hirendparams.ambincl >= 0) { |
473 |
|
|
int i; |
474 |
|
|
char *lv; |
475 |
|
|
for (i = 0; (lv = rpambmod(&hirendparams,i)) != NULL; i++) |
476 |
|
|
if (lv[0] == op->oname[0] && |
477 |
|
|
!strcmp(lv+1, op->oname+1)) |
478 |
|
|
break; |
479 |
|
|
if ((lv != NULL) != hirendparams.ambincl) |
480 |
|
|
return(0); |
481 |
|
|
} |
482 |
|
|
switch (op->otype) { |
483 |
|
|
case MAT_PLASTIC: |
484 |
|
|
case MAT_METAL: |
485 |
|
|
case MAT_PLASTIC2: |
486 |
|
|
case MAT_METAL2: |
487 |
|
|
case MAT_PFUNC: |
488 |
|
|
case MAT_MFUNC: |
489 |
|
|
case MAT_PDATA: |
490 |
|
|
case MAT_MDATA: |
491 |
|
|
case MAT_TRANS: |
492 |
|
|
case MAT_TRANS2: |
493 |
|
|
case MAT_TFUNC: |
494 |
|
|
case MAT_TDATA: |
495 |
|
|
if (op->oargs.nfargs < 3) |
496 |
|
|
return(0); |
497 |
|
|
setcolor(clr, op->oargs.farg[0], op->oargs.farg[1], |
498 |
|
|
op->oargs.farg[2]); |
499 |
|
|
return(1); |
500 |
|
|
case MAT_BRTDF: |
501 |
|
|
if (op->oargs.nfargs < 6) |
502 |
|
|
return(0); |
503 |
|
|
setcolor(clr, op->oargs.farg[0]+op->oargs.farg[3], |
504 |
|
|
op->oargs.farg[1]+op->oargs.farg[4], |
505 |
|
|
op->oargs.farg[2]+op->oargs.farg[5]); |
506 |
|
|
scalecolor(clr, 0.5); |
507 |
|
|
return(1); |
508 |
|
|
case MAT_LIGHT: |
509 |
|
|
case MAT_GLOW: |
510 |
|
|
case MAT_ILLUM: |
511 |
|
|
setcolor(clr, 0., 0., 0.); |
512 |
|
|
return(1); |
513 |
|
|
} |
514 |
|
|
return(0); |
515 |
|
|
} |
516 |
|
|
|
517 |
|
|
|
518 |
schorsch |
3.8 |
extern double |
519 |
|
|
estimaterr( /* estimate relative error from samples */ |
520 |
|
|
COLOR cs, |
521 |
|
|
COLOR cs2, |
522 |
|
|
int ns, |
523 |
|
|
int ns0 |
524 |
|
|
) |
525 |
greg |
3.1 |
{ |
526 |
|
|
double d, d2, brt; |
527 |
|
|
|
528 |
|
|
if (ns <= 1 || (brt = bright(cs)/ns) < 1e-14) |
529 |
|
|
return(1.0); |
530 |
|
|
/* use largest of RGB std. dev. */ |
531 |
|
|
d2 = colval(cs2,RED) - colval(cs,RED)*colval(cs,RED)/ns; |
532 |
|
|
d = colval(cs2,GRN) - colval(cs,GRN)*colval(cs,GRN)/ns; |
533 |
|
|
if (d > d2) d2 = d; |
534 |
|
|
d = colval(cs2,BLU) - colval(cs,BLU)*colval(cs,BLU)/ns; |
535 |
|
|
if (d > d2) d2 = d; |
536 |
|
|
/* use s.d. if <= 1 central sample */ |
537 |
|
|
if (ns0 <= 1) |
538 |
|
|
return(sqrt(d2/(ns-1))/brt); |
539 |
|
|
/* use s.d./sqrt(ns0) otherwise */ |
540 |
|
|
return(sqrt(d2/((ns-1)*ns0))/brt); |
541 |
|
|
} |
542 |
|
|
|
543 |
|
|
|
544 |
schorsch |
3.8 |
extern double |
545 |
|
|
comperr( /* estimate relative error in neighborhood */ |
546 |
|
|
int *neigh, |
547 |
|
|
int nc, |
548 |
|
|
int ns0 |
549 |
|
|
) |
550 |
greg |
3.1 |
{ |
551 |
|
|
COLOR csum, csum2; |
552 |
|
|
COLOR ctmp; |
553 |
|
|
int i; |
554 |
|
|
int ns; |
555 |
|
|
register int n; |
556 |
|
|
/* add together samples */ |
557 |
|
|
setcolor(csum, 0., 0., 0.); |
558 |
|
|
setcolor(csum2, 0., 0., 0.); |
559 |
schorsch |
3.6 |
for (i = 0, ns = 0; (i < nc) & (ns < NSAMPOK); i++) { |
560 |
greg |
3.1 |
n = neigh[i]; |
561 |
|
|
addcolor(csum, cbuffer[n]); |
562 |
|
|
if (val2map != NULL) { |
563 |
|
|
addcolor(csum2, val2map[n]); |
564 |
|
|
ns += sbuffer[n]; |
565 |
|
|
continue; |
566 |
|
|
} |
567 |
|
|
if (sbuffer[n] != 1) |
568 |
|
|
error(CONSISTENCY, "bad count in comperr"); |
569 |
|
|
setcolor(ctmp, |
570 |
|
|
colval(cbuffer[n],RED)*colval(cbuffer[n],RED), |
571 |
|
|
colval(cbuffer[n],GRN)*colval(cbuffer[n],GRN), |
572 |
|
|
colval(cbuffer[n],BLU)*colval(cbuffer[n],BLU)); |
573 |
|
|
addcolor(csum2, ctmp); |
574 |
|
|
ns++; |
575 |
|
|
} |
576 |
|
|
return(estimaterr(csum, csum2, ns, ns0)); |
577 |
|
|
} |
578 |
|
|
|
579 |
|
|
|
580 |
schorsch |
3.8 |
extern void |
581 |
|
|
comp_frame_error(void) /* initialize frame error values */ |
582 |
greg |
3.1 |
{ |
583 |
|
|
BYTE *edone = NULL; |
584 |
|
|
COLOR objamb; |
585 |
|
|
double eest; |
586 |
|
|
int neigh[NSAMPOK]; |
587 |
|
|
int nc; |
588 |
schorsch |
3.8 |
int x, y, i; |
589 |
greg |
3.1 |
register int n; |
590 |
|
|
|
591 |
|
|
if (!silent) { |
592 |
|
|
printf("\tComputing error map\n"); |
593 |
|
|
fflush(stdout); |
594 |
|
|
} |
595 |
|
|
if (acctab[0] <= FTINY) /* initialize accuracy table */ |
596 |
|
|
for (i = 256; i--; ) |
597 |
|
|
acctab[i] = errorf(i); |
598 |
|
|
/* estimate sample error */ |
599 |
|
|
if (!curparams->ambounce && hirendparams.ambounce) { |
600 |
|
|
/* |
601 |
|
|
* Our error estimate for the initial value is based |
602 |
|
|
* on the assumption that most of it comes from the |
603 |
|
|
* lack of an interreflection calculation. The relative |
604 |
|
|
* error should be less than the ambient value divided |
605 |
|
|
* by the returned ray value -- we take half of this. |
606 |
|
|
*/ |
607 |
|
|
edone = (BYTE *)calloc(hres*vres, sizeof(BYTE)); |
608 |
|
|
for (y = vres; y--; ) |
609 |
|
|
for (x = hres; x--; ) { |
610 |
|
|
n = fndx(x, y); |
611 |
schorsch |
3.6 |
if ((abuffer[n] != ALOWQ) | (obuffer[n] == OVOID)) |
612 |
greg |
3.1 |
continue; |
613 |
|
|
if (!getambcolor(objamb, obuffer[n])) |
614 |
|
|
continue; |
615 |
|
|
multcolor(objamb, ambval); |
616 |
|
|
if ((eest = bright(cbuffer[n])) <= FTINY) |
617 |
|
|
continue; |
618 |
|
|
eest = bright(objamb) / eest; |
619 |
|
|
if (eest > 1.) /* should we report this? */ |
620 |
|
|
continue; |
621 |
|
|
eest *= 0.50; /* use 50% ambient error */ |
622 |
|
|
i = errori(eest); |
623 |
|
|
if (i < AMIN) i = AMIN; |
624 |
|
|
else if (i >= ADISTANT/2) i = ADISTANT/2-1; |
625 |
|
|
abuffer[n] = i; |
626 |
|
|
edone[n] = 1; |
627 |
|
|
} |
628 |
|
|
} |
629 |
|
|
/* final statistical estimate */ |
630 |
|
|
for (y = vres; y--; ) |
631 |
|
|
for (x = hres; x--; ) { |
632 |
|
|
n = fndx(x, y); |
633 |
|
|
if (abuffer[n] == ADISTANT) |
634 |
|
|
continue; /* don't update these */ |
635 |
|
|
if (edone != NULL && edone[n]) |
636 |
|
|
continue; /* already done this */ |
637 |
|
|
if (sbuffer[n] >= 255) { |
638 |
|
|
abuffer[n] = ADISTANT; |
639 |
|
|
continue; /* can't take any more */ |
640 |
|
|
} |
641 |
|
|
nc = getclosest(neigh, NSAMPOK, x, y); |
642 |
|
|
if (nc <= 0) { |
643 |
|
|
abuffer[n] = ANOVAL; |
644 |
|
|
continue; /* no clue what to do for him */ |
645 |
|
|
} |
646 |
|
|
i = errori(comperr(neigh, nc, sbuffer[n])); |
647 |
|
|
if (i < AMIN) i = AMIN; |
648 |
|
|
else if (i >= ADISTANT) i = ADISTANT-1; |
649 |
|
|
abuffer[n] = i; |
650 |
|
|
/* can't be better than closest */ |
651 |
|
|
if (i < abuffer[neigh[0]] && abuffer[neigh[0]] >= AMIN) |
652 |
|
|
abuffer[n] = abuffer[neigh[0]]; |
653 |
|
|
} |
654 |
|
|
if (edone != NULL) |
655 |
|
|
free((void *)edone); |
656 |
|
|
} |
657 |
|
|
|
658 |
|
|
|
659 |
schorsch |
3.8 |
extern void |
660 |
|
|
init_frame(void) /* render base (low quality) frame */ |
661 |
greg |
3.1 |
{ |
662 |
|
|
int restart; |
663 |
|
|
/* allocate/swap buffers */ |
664 |
|
|
next_frame(); |
665 |
|
|
/* check rendering status */ |
666 |
|
|
restart = (!nobjects || vdef(MOVE)); |
667 |
|
|
if (!restart && curparams != &lorendparams && nprocs > 1) |
668 |
|
|
restart = -1; |
669 |
|
|
/* post low quality parameters */ |
670 |
|
|
if (curparams != &lorendparams) |
671 |
|
|
ray_restore(curparams = &lorendparams); |
672 |
|
|
if (restart > 0) { /* load new octree */ |
673 |
|
|
char *oct = getoctspec(fcur); |
674 |
|
|
if (oct == NULL) { |
675 |
|
|
sprintf(errmsg, "cannot get scene for frame %d", fcur); |
676 |
|
|
error(USER, errmsg); |
677 |
|
|
} |
678 |
|
|
if (!silent) { |
679 |
|
|
printf("\tLoading octree..."); |
680 |
|
|
fflush(stdout); |
681 |
|
|
} |
682 |
|
|
if (nprocs > 1) |
683 |
|
|
ray_pinit(oct, nprocs); |
684 |
|
|
else |
685 |
|
|
ray_init(oct); |
686 |
|
|
} else if (restart < 0) { /* update children */ |
687 |
|
|
if (!silent) { |
688 |
|
|
printf("\tRestarting %d processes...", nprocs); |
689 |
|
|
fflush(stdout); |
690 |
|
|
} |
691 |
|
|
ray_pclose(0); |
692 |
|
|
ray_popen(nprocs); |
693 |
|
|
} |
694 |
|
|
if (restart && !silent) |
695 |
|
|
printf("done\n"); |
696 |
|
|
/* sample frame buffer */ |
697 |
|
|
init_frame_sample(); |
698 |
|
|
/* initialize frame error */ |
699 |
|
|
comp_frame_error(); |
700 |
greg |
3.14 |
#if 0 |
701 |
greg |
3.1 |
{ |
702 |
|
|
float *ebuf = (float *)malloc(sizeof(float)*hres*vres); |
703 |
|
|
char fnm[256]; |
704 |
|
|
register int n; |
705 |
|
|
for (n = hres*vres; n--; ) |
706 |
|
|
ebuf[n] = acctab[abuffer[n]]; |
707 |
|
|
sprintf(fnm, vval(BASENAME), fcur); |
708 |
|
|
strcat(fnm, "_inerr.pic"); |
709 |
|
|
write_map(ebuf, fnm); |
710 |
|
|
free((void *)ebuf); |
711 |
|
|
} |
712 |
greg |
3.14 |
#endif |
713 |
greg |
3.1 |
} |
714 |
|
|
|
715 |
|
|
|
716 |
schorsch |
3.8 |
extern void |
717 |
|
|
filter_frame(void) /* interpolation, motion-blur, and exposure */ |
718 |
greg |
3.1 |
{ |
719 |
|
|
double expval = expspec_val(getexp(fcur)); |
720 |
|
|
int x, y; |
721 |
|
|
int neigh[NPINTERP]; |
722 |
|
|
int nc; |
723 |
|
|
COLOR cval; |
724 |
|
|
double w, wsum; |
725 |
|
|
register int n; |
726 |
|
|
|
727 |
|
|
#if 0 |
728 |
schorsch |
3.8 |
/* XXX TEMPORARY!! */ |
729 |
|
|
conspicuity(); |
730 |
|
|
write_map(cerrmap, "outcmap.pic"); |
731 |
|
|
{ |
732 |
|
|
float *ebuf = (float *)malloc(sizeof(float)*hres*vres); |
733 |
|
|
for (n = hres*vres; n--; ) |
734 |
|
|
ebuf[n] = acctab[abuffer[n]]; |
735 |
|
|
write_map(ebuf, "outerr.pic"); |
736 |
|
|
free((void *)ebuf); |
737 |
|
|
} |
738 |
greg |
3.1 |
#endif |
739 |
|
|
|
740 |
|
|
if (!silent) { |
741 |
|
|
printf("\tFiltering frame\n"); |
742 |
|
|
fflush(stdout); |
743 |
|
|
} |
744 |
greg |
3.9 |
/* normalize samples */ |
745 |
|
|
for (y = vres; y--; ) |
746 |
|
|
for (x = hres; x--; ) { |
747 |
|
|
n = fndx(x, y); |
748 |
|
|
if (sbuffer[n] <= 1) |
749 |
|
|
continue; |
750 |
|
|
w = 1.0/(double)sbuffer[n]; |
751 |
|
|
scalecolor(cbuffer[n], w); |
752 |
|
|
} |
753 |
|
|
/* interpolate samples */ |
754 |
|
|
for (y = vres; y--; ) |
755 |
|
|
for (x = hres; x--; ) { |
756 |
|
|
n = fndx(x, y); |
757 |
|
|
if (sbuffer[n]) |
758 |
|
|
continue; |
759 |
|
|
nc = getclosest(neigh, NPINTERP, x, y); |
760 |
|
|
setcolor(cbuffer[n], 0., 0., 0.); |
761 |
greg |
3.12 |
if (nc <= 0) { /* no acceptable neighbors */ |
762 |
|
|
if (y < vres-1) |
763 |
|
|
nc = fndx(x, y+1); |
764 |
|
|
else if (x < hres-1) |
765 |
|
|
nc = fndx(x+1, y); |
766 |
|
|
else |
767 |
|
|
continue; |
768 |
|
|
copycolor(cbuffer[n], cbuffer[nc]); |
769 |
|
|
continue; |
770 |
|
|
} |
771 |
greg |
3.9 |
wsum = 0.; |
772 |
|
|
while (nc-- > 0) { |
773 |
|
|
copycolor(cval, cbuffer[neigh[nc]]); |
774 |
|
|
w = sample_wt((neigh[nc]%hres) - x, |
775 |
|
|
(neigh[nc]/hres) - y); |
776 |
|
|
scalecolor(cval, w); |
777 |
|
|
addcolor(cbuffer[n], cval); |
778 |
|
|
wsum += w; |
779 |
|
|
} |
780 |
greg |
3.12 |
w = 1.0/wsum; |
781 |
|
|
scalecolor(cbuffer[n], w); |
782 |
greg |
3.9 |
} |
783 |
|
|
/* motion blur if requested */ |
784 |
greg |
3.1 |
if (mblur > .02) { |
785 |
greg |
3.9 |
int xs, ys, xl, yl; |
786 |
|
|
int rise, run; |
787 |
|
|
long rise2, run2; |
788 |
|
|
int n2; |
789 |
|
|
int cnt; |
790 |
|
|
/* sum in motion streaks */ |
791 |
|
|
memset(outbuffer, '\0', sizeof(COLOR)*hres*vres); |
792 |
|
|
memset(wbuffer, '\0', sizeof(float)*hres*vres); |
793 |
|
|
for (y = vres; y--; ) |
794 |
|
|
for (x = hres; x--; ) { |
795 |
greg |
3.1 |
n = fndx(x, y); |
796 |
|
|
if (xmbuffer[n] == MO_UNK) { |
797 |
|
|
run = rise = 0; |
798 |
|
|
} else { |
799 |
|
|
run = (int)(mblur*xmbuffer[n]); |
800 |
|
|
rise = (int)(mblur*ymbuffer[n]); |
801 |
|
|
} |
802 |
|
|
if (!(run | rise)) { |
803 |
|
|
addcolor(outbuffer[n], cbuffer[n]); |
804 |
|
|
wbuffer[n] += 1.; |
805 |
|
|
continue; |
806 |
|
|
} |
807 |
|
|
xl = x - run/4; |
808 |
|
|
yl = y - rise/4; |
809 |
|
|
if (run < 0) { xs = -1; run = -run; } |
810 |
|
|
else xs = 1; |
811 |
|
|
if (rise < 0) { ys = -1; rise = -rise; } |
812 |
|
|
else ys = 1; |
813 |
|
|
rise2 = run2 = 0L; |
814 |
|
|
if (rise > run) { |
815 |
greg |
3.9 |
cnt = rise + 1; |
816 |
|
|
w = 1./cnt; |
817 |
|
|
copycolor(cval, cbuffer[n]); |
818 |
|
|
scalecolor(cval, w); |
819 |
|
|
while (cnt) |
820 |
|
|
if (rise2 >= run2) { |
821 |
|
|
if ((xl >= 0) & (xl < hres) & |
822 |
schorsch |
3.8 |
(yl >= 0) & (yl < vres)) { |
823 |
greg |
3.9 |
n2 = fndx(xl, yl); |
824 |
|
|
addcolor(outbuffer[n2], |
825 |
|
|
cval); |
826 |
|
|
wbuffer[n2] += w; |
827 |
|
|
} |
828 |
|
|
yl += ys; |
829 |
|
|
run2 += run; |
830 |
|
|
cnt--; |
831 |
|
|
} else { |
832 |
|
|
xl += xs; |
833 |
|
|
rise2 += rise; |
834 |
|
|
} |
835 |
greg |
3.1 |
} else { |
836 |
|
|
cnt = run + 1; |
837 |
|
|
w = 1./cnt; |
838 |
|
|
copycolor(cval, cbuffer[n]); |
839 |
|
|
scalecolor(cval, w); |
840 |
greg |
3.9 |
while (cnt) |
841 |
|
|
if (run2 >= rise2) { |
842 |
|
|
if ((xl >= 0) & (xl < hres) & |
843 |
schorsch |
3.8 |
(yl >= 0) & (yl < vres)) { |
844 |
greg |
3.9 |
n2 = fndx(xl, yl); |
845 |
|
|
addcolor(outbuffer[n2], |
846 |
|
|
cval); |
847 |
|
|
wbuffer[n2] += w; |
848 |
|
|
} |
849 |
|
|
xl += xs; |
850 |
|
|
rise2 += rise; |
851 |
|
|
cnt--; |
852 |
|
|
} else { |
853 |
|
|
yl += ys; |
854 |
|
|
run2 += run; |
855 |
greg |
3.1 |
} |
856 |
schorsch |
3.8 |
} |
857 |
greg |
3.9 |
} |
858 |
|
|
/* compute final results */ |
859 |
|
|
for (y = vres; y--; ) |
860 |
|
|
for (x = hres; x--; ) { |
861 |
|
|
n = fndx(x, y); |
862 |
|
|
if (wbuffer[n] <= FTINY) |
863 |
|
|
continue; |
864 |
|
|
w = 1./wbuffer[n]; |
865 |
|
|
scalecolor(outbuffer[n], w); |
866 |
|
|
} |
867 |
|
|
} else |
868 |
|
|
for (n = hres*vres; n--; ) |
869 |
greg |
3.1 |
copycolor(outbuffer[n], cbuffer[n]); |
870 |
schorsch |
3.8 |
/* |
871 |
|
|
for (n = hres*vres; n--; ) |
872 |
greg |
3.9 |
if (!sbuffer[n]) |
873 |
|
|
setcolor(outbuffer[n], 0., 0., 0.); |
874 |
schorsch |
3.8 |
*/ |
875 |
|
|
/* adjust exposure */ |
876 |
schorsch |
3.6 |
if ((expval < 0.99) | (expval > 1.01)) |
877 |
greg |
3.1 |
for (n = hres*vres; n--; ) |
878 |
|
|
scalecolor(outbuffer[n], expval); |
879 |
greg |
3.9 |
#if 0 |
880 |
schorsch |
3.8 |
{ |
881 |
|
|
float *sbuf = (float *)malloc(sizeof(float)*hres*vres); |
882 |
|
|
char fnm[256]; |
883 |
|
|
sprintf(fnm, vval(BASENAME), fcur); |
884 |
|
|
strcat(fnm, "_outsamp.pic"); |
885 |
|
|
for (n = hres*vres; n--; ) |
886 |
|
|
sbuf[n] = (float)sbuffer[n]; |
887 |
|
|
write_map(sbuf, fnm); |
888 |
|
|
free((void *)sbuf); |
889 |
|
|
} |
890 |
greg |
3.9 |
#endif |
891 |
greg |
3.1 |
} |
892 |
|
|
|
893 |
|
|
|
894 |
schorsch |
3.8 |
extern void |
895 |
|
|
send_frame(void) /* send frame to destination */ |
896 |
greg |
3.1 |
{ |
897 |
|
|
char pfname[1024]; |
898 |
|
|
double d; |
899 |
|
|
FILE *fp; |
900 |
|
|
int y; |
901 |
|
|
/* open output picture */ |
902 |
|
|
sprintf(pfname, vval(BASENAME), fcur); |
903 |
greg |
3.15 |
strcat(pfname, ".hdr"); |
904 |
greg |
3.1 |
fp = fopen(pfname, "w"); |
905 |
|
|
if (fp == NULL) { |
906 |
|
|
sprintf(errmsg, "cannot open output frame \"%s\"", pfname); |
907 |
|
|
error(SYSTEM, errmsg); |
908 |
|
|
} |
909 |
schorsch |
3.3 |
SET_FILE_BINARY(fp); |
910 |
greg |
3.1 |
if (!silent) { |
911 |
|
|
printf("\tWriting to \"%s\"\n", pfname); |
912 |
|
|
fflush(stdout); |
913 |
|
|
} |
914 |
|
|
/* write header */ |
915 |
|
|
newheader("RADIANCE", fp); |
916 |
|
|
printargs(gargc, gargv, fp); |
917 |
|
|
fprintf(fp, "SOFTWARE= %s\n", VersionID); |
918 |
|
|
fprintf(fp, "FRAME=%d\n", fcur); |
919 |
|
|
fputnow(fp); |
920 |
|
|
fputs(VIEWSTR, fp); fprintview(&vw, fp); fputc('\n', fp); |
921 |
|
|
d = expspec_val(getexp(fcur)); |
922 |
schorsch |
3.6 |
if ((d < 0.99) | (d > 1.01)) |
923 |
greg |
3.1 |
fputexpos(d, fp); |
924 |
|
|
d = viewaspect(&vw) * hres / vres; |
925 |
schorsch |
3.6 |
if ((d < 0.99) | (d > 1.01)) |
926 |
greg |
3.1 |
fputaspect(d, fp); |
927 |
|
|
fputformat(COLRFMT, fp); |
928 |
|
|
fputc('\n', fp); /* end header */ |
929 |
|
|
fprtresolu(hres, vres, fp); |
930 |
|
|
if (fflush(fp) == EOF) |
931 |
|
|
goto writerr; |
932 |
|
|
#if (PIXSTANDARD != (YMAJOR|YDECR)) |
933 |
|
|
error(CONSISTENCY, "bad code in send_frame"); |
934 |
|
|
#endif |
935 |
|
|
for (y = vres; y--; ) /* write scanlines */ |
936 |
|
|
if (fwritescan(outbuffer+y*hres, hres, fp) < 0) |
937 |
|
|
goto writerr; |
938 |
|
|
if (fclose(fp) == EOF) |
939 |
|
|
goto writerr; |
940 |
|
|
return; /* all is well */ |
941 |
|
|
writerr: |
942 |
|
|
sprintf(errmsg, "error writing frame \"%s\"", pfname); |
943 |
|
|
error(SYSTEM, errmsg); |
944 |
|
|
} |
945 |
|
|
|
946 |
|
|
|
947 |
schorsch |
3.8 |
extern void |
948 |
|
|
free_frame(void) /* free frame allocation */ |
949 |
greg |
3.1 |
{ |
950 |
|
|
if (cbuffer == NULL) |
951 |
|
|
return; |
952 |
|
|
free((void *)cbuffer); cbuffer = NULL; |
953 |
|
|
free((void *)zbuffer); zbuffer = NULL; |
954 |
|
|
free((void *)obuffer); obuffer = NULL; |
955 |
|
|
free((void *)xmbuffer); xmbuffer = NULL; |
956 |
|
|
free((void *)ymbuffer); ymbuffer = NULL; |
957 |
|
|
free((void *)cprev); cprev = NULL; |
958 |
|
|
free((void *)zprev); zprev = NULL; |
959 |
|
|
free((void *)oprev); oprev = NULL; |
960 |
|
|
cerrmap = NULL; |
961 |
|
|
val2map = NULL; |
962 |
|
|
hres = vres = 0; |
963 |
|
|
vw.type = vwprev.type = 0; |
964 |
|
|
frm_stop = 0; |
965 |
|
|
} |