| 14 |
|
|
| 15 |
|
#include "color.h" |
| 16 |
|
|
| 17 |
< |
#define pscan(y) (ourpict+(y)*ourview.hresolu) |
| 18 |
< |
#define zscan(y) (ourzbuf+(y)*ourview.hresolu) |
| 17 |
> |
#define pscan(y) (ourpict+(y)*hresolu) |
| 18 |
> |
#define zscan(y) (ourzbuf+(y)*hresolu) |
| 19 |
|
|
| 20 |
|
#define F_FORE 1 /* fill foreground */ |
| 21 |
|
#define F_BACK 2 /* fill background */ |
| 28 |
|
|
| 29 |
|
struct position {int x,y; float z;}; |
| 30 |
|
|
| 31 |
< |
VIEW ourview = STDVIEW(512); /* desired view */ |
| 31 |
> |
VIEW ourview = STDVIEW; /* desired view */ |
| 32 |
> |
int hresolu = 512; /* horizontal resolution */ |
| 33 |
> |
int vresolu = 512; /* vertical resolution */ |
| 34 |
|
|
| 35 |
|
double zeps = .02; /* allowed z epsilon */ |
| 36 |
|
|
| 39 |
|
|
| 40 |
|
char *progname; |
| 41 |
|
|
| 40 |
– |
VIEW theirview = STDVIEW(512); /* input view */ |
| 41 |
– |
int gotview; /* got input view? */ |
| 42 |
– |
|
| 42 |
|
int fill = F_FORE|F_BACK; /* selected fill algorithm */ |
| 43 |
|
extern int backfill(), rcalfill(); /* fill functions */ |
| 44 |
|
int (*deffill)() = backfill; /* selected fill function */ |
| 45 |
|
COLR backcolr = BLKCOLR; /* background color */ |
| 46 |
|
double backz = 0.0; /* background z value */ |
| 47 |
+ |
int normdist = 1; /* normalized distance? */ |
| 48 |
+ |
double ourexp = -1; /* output picture exposure */ |
| 49 |
|
|
| 50 |
+ |
VIEW theirview = STDVIEW; /* input view */ |
| 51 |
+ |
int gotview; /* got input view? */ |
| 52 |
+ |
int thresolu, tvresolu; /* input resolution */ |
| 53 |
+ |
double theirexp; /* input picture exposure */ |
| 54 |
|
double theirs2ours[4][4]; /* transformation matrix */ |
| 50 |
– |
int normdist = 1; /* normalized distance? */ |
| 55 |
|
|
| 56 |
|
int childpid = -1; /* id of fill process */ |
| 57 |
|
FILE *psend, *precv; /* pipes to/from fill calculation */ |
| 68 |
|
int gotvfile = 0; |
| 69 |
|
char *zfile = NULL; |
| 70 |
|
char *err; |
| 71 |
< |
int i; |
| 71 |
> |
int i, rval; |
| 72 |
|
|
| 73 |
|
progname = argv[0]; |
| 74 |
|
|
| 75 |
< |
for (i = 1; i < argc && argv[i][0] == '-'; i++) |
| 75 |
> |
for (i = 1; i < argc && argv[i][0] == '-'; i++) { |
| 76 |
> |
rval = getviewopt(&ourview, argc-i, argv+i); |
| 77 |
> |
if (rval >= 0) { |
| 78 |
> |
i += rval; |
| 79 |
> |
continue; |
| 80 |
> |
} |
| 81 |
|
switch (argv[i][1]) { |
| 82 |
|
case 't': /* threshold */ |
| 83 |
|
check(2,1); |
| 132 |
|
break; |
| 133 |
|
case 'x': /* x resolution */ |
| 134 |
|
check(2,1); |
| 135 |
< |
ourview.hresolu = atoi(argv[++i]); |
| 135 |
> |
hresolu = atoi(argv[++i]); |
| 136 |
|
break; |
| 137 |
|
case 'y': /* y resolution */ |
| 138 |
|
check(2,1); |
| 139 |
< |
ourview.vresolu = atoi(argv[++i]); |
| 139 |
> |
vresolu = atoi(argv[++i]); |
| 140 |
|
break; |
| 141 |
< |
case 'v': /* view */ |
| 142 |
< |
switch (argv[i][2]) { |
| 134 |
< |
case 't': /* type */ |
| 135 |
< |
check(4,0); |
| 136 |
< |
ourview.type = argv[i][3]; |
| 137 |
< |
break; |
| 138 |
< |
case 'p': /* point */ |
| 139 |
< |
check(3,3); |
| 140 |
< |
ourview.vp[0] = atof(argv[++i]); |
| 141 |
< |
ourview.vp[1] = atof(argv[++i]); |
| 142 |
< |
ourview.vp[2] = atof(argv[++i]); |
| 143 |
< |
break; |
| 144 |
< |
case 'd': /* direction */ |
| 145 |
< |
check(3,3); |
| 146 |
< |
ourview.vdir[0] = atof(argv[++i]); |
| 147 |
< |
ourview.vdir[1] = atof(argv[++i]); |
| 148 |
< |
ourview.vdir[2] = atof(argv[++i]); |
| 149 |
< |
break; |
| 150 |
< |
case 'u': /* up */ |
| 151 |
< |
check(3,3); |
| 152 |
< |
ourview.vup[0] = atof(argv[++i]); |
| 153 |
< |
ourview.vup[1] = atof(argv[++i]); |
| 154 |
< |
ourview.vup[2] = atof(argv[++i]); |
| 155 |
< |
break; |
| 156 |
< |
case 'h': /* horizontal */ |
| 157 |
< |
check(3,1); |
| 158 |
< |
ourview.horiz = atof(argv[++i]); |
| 159 |
< |
break; |
| 160 |
< |
case 'v': /* vertical */ |
| 161 |
< |
check(3,1); |
| 162 |
< |
ourview.vert = atof(argv[++i]); |
| 163 |
< |
break; |
| 164 |
< |
case 'f': /* file */ |
| 165 |
< |
check(3,1); |
| 166 |
< |
gotvfile = viewfile(argv[++i], &ourview); |
| 167 |
< |
if (gotvfile < 0) { |
| 168 |
< |
perror(argv[i]); |
| 169 |
< |
exit(1); |
| 170 |
< |
} else if (gotvfile == 0) { |
| 171 |
< |
fprintf(stderr, "%s: bad view file\n", |
| 172 |
< |
argv[i]); |
| 173 |
< |
exit(1); |
| 174 |
< |
} |
| 175 |
< |
break; |
| 176 |
< |
default: |
| 141 |
> |
case 'v': /* view file */ |
| 142 |
> |
if (argv[i][2] != 'f') |
| 143 |
|
goto badopt; |
| 144 |
+ |
check(3,1); |
| 145 |
+ |
gotvfile = viewfile(argv[++i], &ourview); |
| 146 |
+ |
if (gotvfile < 0) { |
| 147 |
+ |
perror(argv[i]); |
| 148 |
+ |
exit(1); |
| 149 |
+ |
} else if (gotvfile == 0) { |
| 150 |
+ |
fprintf(stderr, "%s: bad view file\n", |
| 151 |
+ |
argv[i]); |
| 152 |
+ |
exit(1); |
| 153 |
|
} |
| 154 |
|
break; |
| 155 |
|
default: |
| 158 |
|
progname, argv[i]); |
| 159 |
|
goto userr; |
| 160 |
|
} |
| 161 |
+ |
} |
| 162 |
|
/* check arguments */ |
| 163 |
|
if ((argc-i)%2) |
| 164 |
|
goto userr; |
| 168 |
|
exit(1); |
| 169 |
|
} |
| 170 |
|
/* allocate frame */ |
| 171 |
< |
ourpict = (COLR *)malloc(ourview.hresolu*ourview.vresolu*sizeof(COLR)); |
| 172 |
< |
ourzbuf = (float *)calloc(ourview.hresolu*ourview.vresolu,sizeof(float)); |
| 171 |
> |
ourpict = (COLR *)malloc(hresolu*vresolu*sizeof(COLR)); |
| 172 |
> |
ourzbuf = (float *)calloc(hresolu*vresolu,sizeof(float)); |
| 173 |
|
if (ourpict == NULL || ourzbuf == NULL) |
| 174 |
|
syserror(); |
| 175 |
|
/* get input */ |
| 189 |
|
fprintview(&ourview, stdout); |
| 190 |
|
printf("\n"); |
| 191 |
|
} |
| 192 |
+ |
if (ourexp > 0 && ourexp != 1.0) |
| 193 |
+ |
fputexpos(ourexp, stdout); |
| 194 |
|
printf("\n"); |
| 195 |
|
/* write picture */ |
| 196 |
|
writepicture(); |
| 201 |
|
exit(0); |
| 202 |
|
userr: |
| 203 |
|
fprintf(stderr, |
| 204 |
< |
"Usage: %s [view opts][-t zthresh][-z zout][-fT][-n] pfile zspec ..\n", |
| 204 |
> |
"Usage: %s [view opts][-t eps][-z zout][-fT][-n] pfile zspec ..\n", |
| 205 |
|
progname); |
| 206 |
|
exit(1); |
| 207 |
|
#undef check |
| 216 |
|
|
| 217 |
|
printf("\t%s", s); |
| 218 |
|
|
| 219 |
+ |
if (isexpos(s)) { |
| 220 |
+ |
theirexp *= exposval(s); |
| 221 |
+ |
return; |
| 222 |
+ |
} |
| 223 |
|
for (an = altname; *an != NULL; an++) |
| 224 |
|
if (!strncmp(*an, s, strlen(*an))) { |
| 225 |
< |
if (sscanview(&theirview, s+strlen(*an)) == 0) |
| 225 |
> |
if (sscanview(&theirview, s+strlen(*an)) > 0) |
| 226 |
|
gotview++; |
| 227 |
|
break; |
| 228 |
|
} |
| 244 |
|
perror(pfile); |
| 245 |
|
exit(1); |
| 246 |
|
} |
| 247 |
< |
/* get header and view */ |
| 248 |
< |
printf("%s:\n", pfile); |
| 247 |
> |
/* get header with exposure and view */ |
| 248 |
> |
theirexp = 1.0; |
| 249 |
|
gotview = 0; |
| 250 |
+ |
printf("%s:\n", pfile); |
| 251 |
|
getheader(pfp, headline); |
| 252 |
< |
if (!gotview || fgetresolu(&theirview.hresolu, &theirview.vresolu, pfp) |
| 252 |
> |
if (!gotview || fgetresolu(&thresolu, &tvresolu, pfp) |
| 253 |
|
!= (YMAJOR|YDECR)) { |
| 254 |
|
fprintf(stderr, "%s: picture view error\n", pfile); |
| 255 |
|
exit(1); |
| 256 |
|
} |
| 257 |
+ |
if (ourexp <= 0) |
| 258 |
+ |
ourexp = theirexp; |
| 259 |
+ |
else if (ABS(theirexp-ourexp) > .01*ourexp) |
| 260 |
+ |
fprintf(stderr, "%s: different exposure (warning)\n", pfile); |
| 261 |
|
if (err = setview(&theirview)) { |
| 262 |
|
fprintf(stderr, "%s: %s\n", pfile, err); |
| 263 |
|
exit(1); |
| 265 |
|
/* compute transformation */ |
| 266 |
|
pixform(theirs2ours, &theirview, &ourview); |
| 267 |
|
/* allocate scanlines */ |
| 268 |
< |
scanin = (COLR *)malloc(theirview.hresolu*sizeof(COLR)); |
| 269 |
< |
zin = (float *)malloc(theirview.hresolu*sizeof(float)); |
| 270 |
< |
plast = (struct position *)calloc(theirview.hresolu, |
| 284 |
< |
sizeof(struct position)); |
| 268 |
> |
scanin = (COLR *)malloc(thresolu*sizeof(COLR)); |
| 269 |
> |
zin = (float *)malloc(thresolu*sizeof(float)); |
| 270 |
> |
plast = (struct position *)calloc(thresolu, sizeof(struct position)); |
| 271 |
|
if (scanin == NULL || zin == NULL || plast == NULL) |
| 272 |
|
syserror(); |
| 273 |
|
/* get z specification or file */ |
| 278 |
|
perror(zspec); |
| 279 |
|
exit(1); |
| 280 |
|
} |
| 281 |
< |
for (x = 0; x < theirview.hresolu; x++) |
| 281 |
> |
for (x = 0; x < thresolu; x++) |
| 282 |
|
zin[x] = zvalue; |
| 283 |
|
} |
| 284 |
|
/* load image */ |
| 285 |
< |
for (y = theirview.vresolu-1; y >= 0; y--) { |
| 286 |
< |
if (freadcolrs(scanin, theirview.hresolu, pfp) < 0) { |
| 285 |
> |
for (y = tvresolu-1; y >= 0; y--) { |
| 286 |
> |
if (freadcolrs(scanin, thresolu, pfp) < 0) { |
| 287 |
|
fprintf(stderr, "%s: read error\n", pfile); |
| 288 |
|
exit(1); |
| 289 |
|
} |
| 290 |
|
if (zfp != NULL |
| 291 |
< |
&& fread(zin,sizeof(float),theirview.hresolu,zfp) |
| 306 |
< |
< theirview.hresolu) { |
| 291 |
> |
&& fread(zin,sizeof(float),thresolu,zfp) < thresolu) { |
| 292 |
|
fprintf(stderr, "%s: read error\n", zspec); |
| 293 |
|
exit(1); |
| 294 |
|
} |
| 311 |
|
double m4t[4][4]; |
| 312 |
|
|
| 313 |
|
setident4(xfmat); |
| 314 |
< |
xfmat[0][0] = vw1->vhinc[0]; |
| 315 |
< |
xfmat[0][1] = vw1->vhinc[1]; |
| 316 |
< |
xfmat[0][2] = vw1->vhinc[2]; |
| 317 |
< |
xfmat[1][0] = vw1->vvinc[0]; |
| 318 |
< |
xfmat[1][1] = vw1->vvinc[1]; |
| 319 |
< |
xfmat[1][2] = vw1->vvinc[2]; |
| 314 |
> |
xfmat[0][0] = vw1->hvec[0]; |
| 315 |
> |
xfmat[0][1] = vw1->hvec[1]; |
| 316 |
> |
xfmat[0][2] = vw1->hvec[2]; |
| 317 |
> |
xfmat[1][0] = vw1->vvec[0]; |
| 318 |
> |
xfmat[1][1] = vw1->vvec[1]; |
| 319 |
> |
xfmat[1][2] = vw1->vvec[2]; |
| 320 |
|
xfmat[2][0] = vw1->vdir[0]; |
| 321 |
|
xfmat[2][1] = vw1->vdir[1]; |
| 322 |
|
xfmat[2][2] = vw1->vdir[2]; |
| 324 |
|
xfmat[3][1] = vw1->vp[1]; |
| 325 |
|
xfmat[3][2] = vw1->vp[2]; |
| 326 |
|
setident4(m4t); |
| 327 |
< |
m4t[0][0] = vw2->vhinc[0]/vw2->vhn2; |
| 328 |
< |
m4t[1][0] = vw2->vhinc[1]/vw2->vhn2; |
| 329 |
< |
m4t[2][0] = vw2->vhinc[2]/vw2->vhn2; |
| 330 |
< |
m4t[3][0] = -DOT(vw2->vp,vw2->vhinc)/vw2->vhn2; |
| 331 |
< |
m4t[0][1] = vw2->vvinc[0]/vw2->vvn2; |
| 332 |
< |
m4t[1][1] = vw2->vvinc[1]/vw2->vvn2; |
| 333 |
< |
m4t[2][1] = vw2->vvinc[2]/vw2->vvn2; |
| 334 |
< |
m4t[3][1] = -DOT(vw2->vp,vw2->vvinc)/vw2->vvn2; |
| 327 |
> |
m4t[0][0] = vw2->hvec[0]/vw2->hn2; |
| 328 |
> |
m4t[1][0] = vw2->hvec[1]/vw2->hn2; |
| 329 |
> |
m4t[2][0] = vw2->hvec[2]/vw2->hn2; |
| 330 |
> |
m4t[3][0] = -DOT(vw2->vp,vw2->hvec)/vw2->hn2; |
| 331 |
> |
m4t[0][1] = vw2->vvec[0]/vw2->vn2; |
| 332 |
> |
m4t[1][1] = vw2->vvec[1]/vw2->vn2; |
| 333 |
> |
m4t[2][1] = vw2->vvec[2]/vw2->vn2; |
| 334 |
> |
m4t[3][1] = -DOT(vw2->vp,vw2->vvec)/vw2->vn2; |
| 335 |
|
m4t[0][2] = vw2->vdir[0]; |
| 336 |
|
m4t[1][2] = vw2->vdir[1]; |
| 337 |
|
m4t[2][2] = vw2->vdir[2]; |
| 351 |
|
struct position lastx, newpos; |
| 352 |
|
register int x; |
| 353 |
|
|
| 354 |
< |
for (x = theirview.hresolu-1; x >= 0; x--) { |
| 355 |
< |
pos[0] = x - .5*(theirview.hresolu-1); |
| 356 |
< |
pos[1] = y - .5*(theirview.vresolu-1); |
| 354 |
> |
for (x = thresolu-1; x >= 0; x--) { |
| 355 |
> |
pos[0] = (x+.5)/thresolu + theirview.hoff - .5; |
| 356 |
> |
pos[1] = (y+.5)/tvresolu + theirview.voff - .5; |
| 357 |
|
pos[2] = zline[x]; |
| 358 |
|
if (theirview.type == VT_PER) { |
| 359 |
|
if (normdist) /* adjust for eye-ray distance */ |
| 360 |
|
pos[2] /= sqrt( 1. |
| 361 |
< |
+ pos[0]*pos[0]*theirview.vhn2 |
| 362 |
< |
+ pos[1]*pos[1]*theirview.vvn2 ); |
| 361 |
> |
+ pos[0]*pos[0]*theirview.hn2 |
| 362 |
> |
+ pos[1]*pos[1]*theirview.vn2 ); |
| 363 |
|
pos[0] *= pos[2]; |
| 364 |
|
pos[1] *= pos[2]; |
| 365 |
|
} |
| 372 |
|
pos[0] /= pos[2]; |
| 373 |
|
pos[1] /= pos[2]; |
| 374 |
|
} |
| 375 |
< |
pos[0] += .5*ourview.hresolu; |
| 376 |
< |
pos[1] += .5*ourview.vresolu; |
| 377 |
< |
newpos.x = pos[0]; |
| 378 |
< |
newpos.y = pos[1]; |
| 375 |
> |
pos[0] += .5 - ourview.hoff; |
| 376 |
> |
pos[1] += .5 - ourview.voff; |
| 377 |
> |
newpos.x = pos[0] * hresolu; |
| 378 |
> |
newpos.y = pos[1] * vresolu; |
| 379 |
|
newpos.z = zline[x]; |
| 380 |
|
/* add pixel to our image */ |
| 381 |
< |
if (pos[0] >= 0 && newpos.x < ourview.hresolu |
| 382 |
< |
&& pos[1] >= 0 && newpos.y < ourview.vresolu) { |
| 381 |
> |
if (pos[0] >= 0 && newpos.x < hresolu |
| 382 |
> |
&& pos[1] >= 0 && newpos.y < vresolu) { |
| 383 |
|
addpixel(&newpos, &lastx, &lasty[x], pline[x], pos[2]); |
| 384 |
|
lasty[x].x = lastx.x = newpos.x; |
| 385 |
|
lasty[x].y = lastx.y = newpos.y; |
| 450 |
|
COLR pfill; |
| 451 |
|
register int x, i; |
| 452 |
|
/* get back buffer */ |
| 453 |
< |
yback = (int *)malloc(ourview.hresolu*sizeof(int)); |
| 453 |
> |
yback = (int *)malloc(hresolu*sizeof(int)); |
| 454 |
|
if (yback == NULL) |
| 455 |
|
syserror(); |
| 456 |
< |
for (x = 0; x < ourview.hresolu; x++) |
| 456 |
> |
for (x = 0; x < hresolu; x++) |
| 457 |
|
yback[x] = -2; |
| 458 |
|
/* |
| 459 |
|
* Xback and yback are the pixel locations of suitable |
| 462 |
|
* that there is no suitable background in this direction. |
| 463 |
|
*/ |
| 464 |
|
/* fill image */ |
| 465 |
< |
for (y = 0; y < ourview.vresolu; y++) { |
| 465 |
> |
for (y = 0; y < vresolu; y++) { |
| 466 |
|
xback = -2; |
| 467 |
< |
for (x = 0; x < ourview.hresolu; x++) |
| 467 |
> |
for (x = 0; x < hresolu; x++) |
| 468 |
|
if (zscan(y)[x] <= 0) { /* empty pixel */ |
| 469 |
|
/* |
| 470 |
|
* First, find background from above or below. |
| 471 |
|
* (farthest assigned pixel) |
| 472 |
|
*/ |
| 473 |
|
if (yback[x] == -2) { |
| 474 |
< |
for (i = y+1; i < ourview.vresolu; i++) |
| 474 |
> |
for (i = y+1; i < vresolu; i++) |
| 475 |
|
if (zscan(i)[x] > 0) |
| 476 |
|
break; |
| 477 |
< |
if (i < ourview.vresolu |
| 477 |
> |
if (i < vresolu |
| 478 |
|
&& (y <= 0 || zscan(y-1)[x] < zscan(i)[x])) |
| 479 |
|
yback[x] = i; |
| 480 |
|
else |
| 484 |
|
* Next, find background from left or right. |
| 485 |
|
*/ |
| 486 |
|
if (xback == -2) { |
| 487 |
< |
for (i = x+1; i < ourview.hresolu; i++) |
| 487 |
> |
for (i = x+1; i < hresolu; i++) |
| 488 |
|
if (zscan(y)[i] > 0) |
| 489 |
|
break; |
| 490 |
< |
if (i < ourview.hresolu |
| 490 |
> |
if (i < hresolu |
| 491 |
|
&& (x <= 0 || zscan(y)[x-1] < zscan(y)[i])) |
| 492 |
|
xback = i; |
| 493 |
|
else |
| 529 |
|
{ |
| 530 |
|
register int x, y; |
| 531 |
|
|
| 532 |
< |
for (y = 0; y < ourview.vresolu; y++) |
| 533 |
< |
for (x = 0; x < ourview.hresolu; x++) |
| 532 |
> |
for (y = 0; y < vresolu; y++) |
| 533 |
> |
for (x = 0; x < hresolu; x++) |
| 534 |
|
if (zscan(y)[x] <= 0) |
| 535 |
|
(*deffill)(x,y); |
| 536 |
|
} |
| 540 |
|
{ |
| 541 |
|
int y; |
| 542 |
|
|
| 543 |
< |
fputresolu(YMAJOR|YDECR, ourview.hresolu, ourview.vresolu, stdout); |
| 544 |
< |
for (y = ourview.vresolu-1; y >= 0; y--) |
| 545 |
< |
if (fwritecolrs(pscan(y), ourview.hresolu, stdout) < 0) |
| 543 |
> |
fputresolu(YMAJOR|YDECR, hresolu, vresolu, stdout); |
| 544 |
> |
for (y = vresolu-1; y >= 0; y--) |
| 545 |
> |
if (fwritecolrs(pscan(y), hresolu, stdout) < 0) |
| 546 |
|
syserror(); |
| 547 |
|
} |
| 548 |
|
|
| 561 |
|
exit(1); |
| 562 |
|
} |
| 563 |
|
if (donorm |
| 564 |
< |
&& (zout = (float *)malloc(ourview.hresolu*sizeof(float))) == NULL) |
| 564 |
> |
&& (zout = (float *)malloc(hresolu*sizeof(float))) == NULL) |
| 565 |
|
syserror(); |
| 566 |
< |
for (y = ourview.vresolu-1; y >= 0; y--) { |
| 566 |
> |
for (y = vresolu-1; y >= 0; y--) { |
| 567 |
|
if (donorm) { |
| 568 |
|
double vx, yzn2; |
| 569 |
|
register int x; |
| 570 |
< |
yzn2 = y - .5*(ourview.vresolu-1); |
| 571 |
< |
yzn2 = 1. + yzn2*yzn2*ourview.vvn2; |
| 572 |
< |
for (x = 0; x < ourview.hresolu; x++) { |
| 573 |
< |
vx = x - .5*(ourview.hresolu-1); |
| 570 |
> |
yzn2 = y - .5*(vresolu-1); |
| 571 |
> |
yzn2 = 1. + yzn2*yzn2*ourview.vn2; |
| 572 |
> |
for (x = 0; x < hresolu; x++) { |
| 573 |
> |
vx = x - .5*(hresolu-1); |
| 574 |
|
zout[x] = zscan(y)[x] |
| 575 |
< |
* sqrt(vx*vx*ourview.vhn2 + yzn2); |
| 575 |
> |
* sqrt(vx*vx*ourview.hn2 + yzn2); |
| 576 |
|
} |
| 577 |
|
} else |
| 578 |
|
zout = zscan(y); |
| 579 |
< |
if (fwrite(zout, sizeof(float), ourview.hresolu, fp) |
| 595 |
< |
< ourview.hresolu) { |
| 579 |
> |
if (fwrite(zout, sizeof(float), hresolu, fp) < hresolu) { |
| 580 |
|
perror(fname); |
| 581 |
|
exit(1); |
| 582 |
|
} |
| 676 |
|
clearqueue(); |
| 677 |
|
} |
| 678 |
|
/* send new ray */ |
| 679 |
< |
rayview(orig, dir, &ourview, x+.5, y+.5); |
| 679 |
> |
viewray(orig, dir, &ourview, (x+.5)/hresolu, (y+.5)/vresolu); |
| 680 |
|
outbuf[0] = orig[0]; outbuf[1] = orig[1]; outbuf[2] = orig[2]; |
| 681 |
|
outbuf[3] = dir[0]; outbuf[4] = dir[1]; outbuf[5] = dir[2]; |
| 682 |
|
if (fwrite(outbuf, sizeof(float), 6, psend) < 6) |
| 698 |
|
fprintf(stderr, "%s: read error in clearqueue\n", |
| 699 |
|
progname); |
| 700 |
|
exit(1); |
| 701 |
+ |
} |
| 702 |
+ |
if (ourexp > 0 && ourexp != 1.0) { |
| 703 |
+ |
inbuf[0] *= ourexp; |
| 704 |
+ |
inbuf[1] *= ourexp; |
| 705 |
+ |
inbuf[2] *= ourexp; |
| 706 |
|
} |
| 707 |
|
setcolr(pscan(queue[i][1])[queue[i][0]], |
| 708 |
|
inbuf[0], inbuf[1], inbuf[2]); |