| 1 |
+ |
/* Copyright (c) 1991 Regents of the University of California */ |
| 2 |
+ |
|
| 3 |
|
#ifndef lint |
| 4 |
|
static char SCCSid[] = "$SunId$ LBL"; |
| 5 |
|
#endif |
| 18 |
|
|
| 19 |
|
#include "color.h" |
| 20 |
|
|
| 21 |
+ |
#include "resolu.h" |
| 22 |
+ |
|
| 23 |
|
#ifndef BSD |
| 24 |
|
#define vfork fork |
| 25 |
|
#endif |
| 62 |
|
VIEW theirview = STDVIEW; /* input view */ |
| 63 |
|
int gotview; /* got input view? */ |
| 64 |
|
int wrongformat = 0; /* input in another format? */ |
| 65 |
< |
int thresolu, tvresolu; /* input resolution */ |
| 65 |
> |
RESOLU tresolu; /* input resolution */ |
| 66 |
|
double theirexp; /* input picture exposure */ |
| 67 |
|
double theirs2ours[4][4]; /* transformation matrix */ |
| 68 |
|
int hasmatrix = 0; /* has transformation matrix */ |
| 283 |
|
gotview = 0; |
| 284 |
|
printf("%s:\n", pfile); |
| 285 |
|
getheader(pfp, headline, NULL); |
| 286 |
< |
if (wrongformat || !gotview || |
| 283 |
< |
fgetresolu(&thresolu, &tvresolu, pfp) != (YMAJOR|YDECR)) { |
| 284 |
< |
|
| 286 |
> |
if (wrongformat || !gotview || !fgetsresolu(&tresolu, pfp)) { |
| 287 |
|
fprintf(stderr, "%s: picture format error\n", pfile); |
| 288 |
|
exit(1); |
| 289 |
|
} |
| 298 |
|
/* compute transformation */ |
| 299 |
|
hasmatrix = pixform(theirs2ours, &theirview, &ourview); |
| 300 |
|
/* allocate scanlines */ |
| 301 |
< |
scanin = (COLR *)malloc(thresolu*sizeof(COLR)); |
| 302 |
< |
zin = (float *)malloc(thresolu*sizeof(float)); |
| 303 |
< |
plast = (struct position *)calloc(thresolu, sizeof(struct position)); |
| 301 |
> |
scanin = (COLR *)malloc(scanlen(&tresolu)*sizeof(COLR)); |
| 302 |
> |
zin = (float *)malloc(scanlen(&tresolu)*sizeof(float)); |
| 303 |
> |
plast = (struct position *)calloc(scanlen(&tresolu), |
| 304 |
> |
sizeof(struct position)); |
| 305 |
|
if (scanin == NULL || zin == NULL || plast == NULL) |
| 306 |
|
syserror(); |
| 307 |
|
/* get z specification or file */ |
| 312 |
|
perror(zspec); |
| 313 |
|
exit(1); |
| 314 |
|
} |
| 315 |
< |
for (x = 0; x < thresolu; x++) |
| 315 |
> |
for (x = scanlen(&tresolu); x-- > 0; ) |
| 316 |
|
zin[x] = zvalue; |
| 317 |
|
} |
| 318 |
|
/* load image */ |
| 319 |
< |
for (y = tvresolu-1; y >= 0; y--) { |
| 320 |
< |
if (freadcolrs(scanin, thresolu, pfp) < 0) { |
| 319 |
> |
for (y = 0; y < numscans(&tresolu); y++) { |
| 320 |
> |
if (freadcolrs(scanin, scanlen(&tresolu), pfp) < 0) { |
| 321 |
|
fprintf(stderr, "%s: read error\n", pfile); |
| 322 |
|
exit(1); |
| 323 |
|
} |
| 324 |
< |
if (zfd != -1 && read(zfd,(char *)zin,thresolu*sizeof(float)) |
| 325 |
< |
< thresolu*sizeof(float)) { |
| 324 |
> |
if (zfd != -1 && read(zfd,(char *)zin, |
| 325 |
> |
scanlen(&tresolu)*sizeof(float)) |
| 326 |
> |
< scanlen(&tresolu)*sizeof(float)) { |
| 327 |
|
fprintf(stderr, "%s: read error\n", zspec); |
| 328 |
|
exit(1); |
| 329 |
|
} |
| 392 |
|
register int x; |
| 393 |
|
|
| 394 |
|
lastx.z = 0; |
| 395 |
< |
for (x = thresolu-1; x >= 0; x--) { |
| 396 |
< |
pos[0] = (x+.5)/thresolu; |
| 393 |
< |
pos[1] = (y+.5)/tvresolu; |
| 395 |
> |
for (x = scanlen(&tresolu); x-- > 0; ) { |
| 396 |
> |
pix2loc(pos, &tresolu, x, y); |
| 397 |
|
pos[2] = zline[x]; |
| 398 |
|
if (movepixel(pos) < 0) { |
| 399 |
|
lasty[x].z = lastx.z = 0; /* mark invalid */ |
| 506 |
|
pt[0] += direc[0]*pos[2]; |
| 507 |
|
pt[1] += direc[1]*pos[2]; |
| 508 |
|
pt[2] += direc[2]*pos[2]; |
| 509 |
< |
viewpixel(&pos[0], &pos[1], &pos[2], &ourview, pt); |
| 509 |
> |
viewloc(pos, &ourview, pt); |
| 510 |
|
if (pos[2] <= 0) |
| 511 |
|
return(-1); |
| 512 |
|
return(0); |
| 624 |
|
{ |
| 625 |
|
int y; |
| 626 |
|
|
| 627 |
< |
fputresolu(YMAJOR|YDECR, hresolu, vresolu, stdout); |
| 627 |
> |
fprtresolu(hresolu, vresolu, stdout); |
| 628 |
|
for (y = vresolu-1; y >= 0; y--) |
| 629 |
|
if (fwritecolrs(pscan(y), hresolu, stdout) < 0) |
| 630 |
|
syserror(); |
