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/* Copyright (c) 1999 Silicon Graphics, Inc. */ |
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#ifndef lint |
| 2 |
< |
static char SCCSid[] = "$SunId$ SGI"; |
| 2 |
> |
static const char RCSid[] = "$Id$"; |
| 3 |
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#endif |
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– |
|
| 4 |
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/* |
| 5 |
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* Interpolate and extrapolate pictures with different view parameters. |
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* |
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* Greg Ward 09Dec89 |
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*/ |
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|
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< |
#include "standard.h" |
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> |
#include "copyright.h" |
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|
| 12 |
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#include <ctype.h> |
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+ |
#include <string.h> |
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|
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+ |
#include "platform.h" |
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+ |
#include "standard.h" |
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+ |
#include "rtprocess.h" /* Windows: must come before color.h */ |
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#include "view.h" |
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|
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#include "color.h" |
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|
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#include "resolu.h" |
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|
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#define LOG2 0.69314718055994530942 |
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|
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#define pscan(y) (ourpict+(y)*hresolu) |
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#define averaging (ourweigh != NULL) |
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#define blurring (ourbpict != NULL) |
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#define usematrix (hasmatrix & !averaging) |
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< |
#define zisnorm (!usematrix | ourview.type != VT_PER) |
| 31 |
> |
#define zisnorm ((!usematrix) | (ourview.type != VT_PER)) |
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|
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#define MAXWT 1000. /* maximum pixel weight (averaging) */ |
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|
| 68 |
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|
| 69 |
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int fillo = F_FORE|F_BACK; /* selected fill options */ |
| 70 |
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int fillsamp = 0; /* sample separation (0 == inf) */ |
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– |
extern int backfill(), rcalfill(); /* fill functions */ |
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int (*fillfunc)() = backfill; /* selected fill function */ |
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COLR backcolr = BLKCOLR; /* background color */ |
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COLOR backcolor = BLKCOLOR; /* background color (float) */ |
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double backz = 0.0; /* background z value */ |
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MAT4 theirs2ours; /* transformation matrix */ |
| 86 |
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int hasmatrix = 0; /* has transformation matrix */ |
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|
| 88 |
< |
int PDesc[3] = {-1,-1,-1}; /* rtrace process descriptor */ |
| 93 |
< |
#define childpid (PDesc[2]) |
| 88 |
> |
static SUBPROC PDesc = SP_INACTIVE; /* rtrace process descriptor */ |
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unsigned short queue[PACKSIZ][2]; /* pending pixels */ |
| 90 |
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int packsiz; /* actual packet size */ |
| 91 |
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int queuesiz = 0; /* number of pixels pending */ |
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|
| 93 |
< |
extern double movepixel(); |
| 93 |
> |
typedef void fillfunc_t(int x, int y); |
| 94 |
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|
| 95 |
+ |
static gethfunc headline; |
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+ |
static int nextview(FILE *fp); |
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+ |
static void compavgview(void); |
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+ |
static void addpicture(char *pfile, char *zspec); |
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+ |
static int pixform(MAT4 xfmat, VIEW *vw1, VIEW *vw2); |
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+ |
static void addscanline(struct bound *xl, int y, |
| 101 |
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COLR *pline, float *zline, struct position *lasty); |
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+ |
static void addpixel(struct position *p0, struct position *p1, |
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struct position *p2, COLR pix, double w, double z); |
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static double movepixel(FVECT pos); |
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static int getperim(struct bound *xl, struct bound *yl, float *zline, int zfd); |
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+ |
static void backpicture(fillfunc_t *fill, int samp); |
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+ |
static void fillpicture(fillfunc_t *fill); |
| 108 |
+ |
static int clipaft(void); |
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static int addblur(void); |
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+ |
static void writepicture(void); |
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+ |
static void writedistance(char *fname); |
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static fillfunc_t backfill; |
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static fillfunc_t rcalfill; |
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+ |
static void calstart(char *prog, char *args); |
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static void caldone(void); |
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static void clearqueue(void); |
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+ |
static void syserror(char *s); |
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|
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main(argc, argv) /* interpolate pictures */ |
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int argc; |
| 121 |
< |
char *argv[]; |
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> |
fillfunc_t *fillfunc = backfill; /* selected fill function */ |
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> |
|
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> |
int |
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> |
main( /* interpolate pictures */ |
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int argc, |
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> |
char *argv[] |
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> |
) |
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{ |
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#define check(ol,al) if (argv[an][ol] || \ |
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badarg(argc-an-1,argv+an+1,al)) \ |
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char *expcomp = NULL; |
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int i, an, rval; |
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|
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SET_DEFAULT_BINARY(); |
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SET_FILE_BINARY(stdout); |
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|
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progname = argv[0]; |
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|
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for (an = 1; an < argc && argv[an][0] == '-'; an++) { |
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if (argv[an][2] != 'f') |
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goto badopt; |
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check(3,"s"); |
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< |
gotvfile = viewfile(argv[++an], &ourview, 0, 0); |
| 241 |
> |
gotvfile = viewfile(argv[++an], &ourview, NULL); |
| 242 |
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if (gotvfile < 0) |
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syserror(argv[an]); |
| 244 |
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else if (gotvfile == 0) { |
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fillo &= ~F_BACK; |
| 262 |
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if (doavg < 0) |
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doavg = (argc-an) > 2; |
| 264 |
< |
if (expcomp != NULL) |
| 265 |
< |
if (expcomp[0] == '+' | expcomp[0] == '-') { |
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> |
if (expcomp != NULL) { |
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> |
if ((expcomp[0] == '+') | (expcomp[0] == '-')) { |
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expadj = atof(expcomp) + (expcomp[0]=='+' ? .5 : -.5); |
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if (doavg | doblur) |
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rexpadj = pow(2.0, atof(expcomp)); |
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if (!(doavg | doblur)) |
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rexpadj = pow(2.0, (double)expadj); |
| 278 |
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} |
| 279 |
+ |
} |
| 280 |
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/* set view */ |
| 281 |
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if (nextview(doblur ? stdin : (FILE *)NULL) == EOF) { |
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fprintf(stderr, "%s: no view on standard input!\n", |
| 288 |
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if (doavg) { |
| 289 |
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ourspict = (COLOR *)bmalloc(hresolu*vresolu*sizeof(COLOR)); |
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ourweigh = (float *)bmalloc(hresolu*vresolu*sizeof(float)); |
| 291 |
< |
if (ourspict == NULL | ourweigh == NULL) |
| 291 |
> |
if ((ourspict == NULL) | (ourweigh == NULL)) |
| 292 |
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syserror(progname); |
| 293 |
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} else { |
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ourpict = (COLR *)bmalloc(hresolu*vresolu*sizeof(COLR)); |
| 305 |
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syserror(progname); |
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/* new header */ |
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newheader("RADIANCE", stdout); |
| 308 |
+ |
fputnow(stdout); |
| 309 |
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/* run pictures */ |
| 310 |
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do { |
| 311 |
< |
bzero((char *)ourzbuf, hresolu*vresolu*sizeof(float)); |
| 311 |
> |
memset((char *)ourzbuf, '\0', hresolu*vresolu*sizeof(float)); |
| 312 |
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for (i = an; i < argc; i += 2) |
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addpicture(argv[i], argv[i+1]); |
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if (fillo&F_BACK) /* fill in spaces */ |
| 328 |
|
fprintview(&avgview, stdout); |
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|
putc('\n', stdout); |
| 330 |
|
} |
| 331 |
< |
if (pixaspect < .99 | pixaspect > 1.01) |
| 331 |
> |
if ((pixaspect < .99) | (pixaspect > 1.01)) |
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|
fputaspect(pixaspect, stdout); |
| 333 |
|
if (ourexp > 0) |
| 334 |
|
ourexp *= rexpadj; |
| 335 |
|
else |
| 336 |
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ourexp = rexpadj; |
| 337 |
< |
if (ourexp < .995 | ourexp > 1.005) |
| 337 |
> |
if ((ourexp < .995) | (ourexp > 1.005)) |
| 338 |
|
fputexpos(ourexp, stdout); |
| 339 |
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if (strcmp(ourfmt, PICFMT)) /* print format if known */ |
| 340 |
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fputformat(ourfmt, stdout); |
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} |
| 356 |
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|
| 357 |
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|
| 358 |
< |
int |
| 359 |
< |
headline(s) /* process header string */ |
| 360 |
< |
char *s; |
| 358 |
> |
static int |
| 359 |
> |
headline( /* process header string */ |
| 360 |
> |
char *s, |
| 361 |
> |
void *p |
| 362 |
> |
) |
| 363 |
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{ |
| 364 |
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char fmt[32]; |
| 365 |
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|
| 387 |
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} |
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|
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|
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< |
nextview(fp) /* get and set next view */ |
| 391 |
< |
FILE *fp; |
| 390 |
> |
static int |
| 391 |
> |
nextview( /* get and set next view */ |
| 392 |
> |
FILE *fp |
| 393 |
> |
) |
| 394 |
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{ |
| 395 |
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char linebuf[256]; |
| 396 |
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char *err; |
| 397 |
< |
register int i; |
| 397 |
> |
int i; |
| 398 |
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|
| 399 |
|
if (fp != NULL) { |
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do /* get new view */ |
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exit(1); |
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} |
| 410 |
|
if (!nvavg) { /* first view */ |
| 411 |
< |
copystruct(&avgview, &ourview); |
| 411 |
> |
avgview = ourview; |
| 412 |
|
return(nvavg++); |
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} |
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/* add to average view */ |
| 417 |
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avgview.vdir[i] += ourview.vdir[i]; |
| 418 |
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avgview.vup[i] += ourview.vup[i]; |
| 419 |
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} |
| 420 |
+ |
avgview.vdist += ourview.vdist; |
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|
avgview.horiz += ourview.horiz; |
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avgview.vert += ourview.vert; |
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avgview.hoff += ourview.hoff; |
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} |
| 429 |
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|
| 430 |
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|
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< |
compavgview() /* compute average view */ |
| 431 |
> |
static void |
| 432 |
> |
compavgview(void) /* compute average view */ |
| 433 |
|
{ |
| 434 |
< |
register int i; |
| 434 |
> |
int i; |
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double f; |
| 436 |
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|
| 437 |
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if (nvavg < 2) |
| 442 |
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avgview.vdir[i] *= f; |
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avgview.vup[i] *= f; |
| 444 |
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} |
| 445 |
+ |
avgview.vdist *= f; |
| 446 |
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avgview.horiz *= f; |
| 447 |
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avgview.vert *= f; |
| 448 |
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avgview.hoff *= f; |
| 450 |
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avgview.vfore *= f; |
| 451 |
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avgview.vaft *= f; |
| 452 |
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if (setview(&avgview) != NULL) /* in case of emergency... */ |
| 453 |
< |
copystruct(&avgview, &ourview); |
| 453 |
> |
avgview = ourview; |
| 454 |
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pixaspect = viewaspect(&avgview) * hresolu / vresolu; |
| 455 |
|
} |
| 456 |
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|
| 457 |
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|
| 458 |
< |
addpicture(pfile, zspec) /* add picture to output */ |
| 459 |
< |
char *pfile, *zspec; |
| 458 |
> |
static void |
| 459 |
> |
addpicture( /* add picture to output */ |
| 460 |
> |
char *pfile, |
| 461 |
> |
char *zspec |
| 462 |
> |
) |
| 463 |
|
{ |
| 464 |
|
FILE *pfp; |
| 465 |
|
int zfd; |
| 474 |
|
syserror(pfile); |
| 475 |
|
/* get header with exposure and view */ |
| 476 |
|
theirexp = 1.0; |
| 477 |
< |
copystruct(&theirview, &stdview); |
| 477 |
> |
theirview = stdview; |
| 478 |
|
gotview = 0; |
| 479 |
|
if (nvavg < 2) |
| 480 |
|
printf("%s:\n", pfile); |
| 487 |
|
ourexp = theirexp; |
| 488 |
|
else if (ABS(theirexp-ourexp) > .01*ourexp) |
| 489 |
|
fprintf(stderr, "%s: different exposure (warning)\n", pfile); |
| 490 |
< |
if (err = setview(&theirview)) { |
| 490 |
> |
if ( (err = setview(&theirview)) ) { |
| 491 |
|
fprintf(stderr, "%s: %s\n", pfile, err); |
| 492 |
|
exit(1); |
| 493 |
|
} |
| 499 |
|
syserror(progname); |
| 500 |
|
if ((zfd = open(zspec, O_RDONLY)) == -1) { |
| 501 |
|
double zvalue; |
| 502 |
< |
register int x; |
| 502 |
> |
int x; |
| 503 |
|
if (!isflt(zspec) || (zvalue = atof(zspec)) <= 0.0) |
| 504 |
|
syserror(zspec); |
| 505 |
|
for (x = scanlen(&tresolu); x-- > 0; ) |
| 510 |
|
if (xlim == NULL) |
| 511 |
|
syserror(progname); |
| 512 |
|
if (!getperim(xlim, &ylim, zin, zfd)) { /* overlapping area? */ |
| 513 |
< |
free((char *)zin); |
| 514 |
< |
free((char *)xlim); |
| 513 |
> |
free((void *)zin); |
| 514 |
> |
free((void *)xlim); |
| 515 |
|
if (zfd != -1) |
| 516 |
|
close(zfd); |
| 517 |
|
fclose(pfp); |
| 521 |
|
scanin = (COLR *)malloc(scanlen(&tresolu)*sizeof(COLR)); |
| 522 |
|
plast = (struct position *)calloc(scanlen(&tresolu), |
| 523 |
|
sizeof(struct position)); |
| 524 |
< |
if (scanin == NULL | plast == NULL) |
| 524 |
> |
if ((scanin == NULL) | (plast == NULL)) |
| 525 |
|
syserror(progname); |
| 526 |
|
/* skip to starting point */ |
| 527 |
|
for (y = 0; y < ylim.min; y++) |
| 530 |
|
exit(1); |
| 531 |
|
} |
| 532 |
|
if (zfd != -1 && lseek(zfd, |
| 533 |
< |
(long)ylim.min*scanlen(&tresolu)*sizeof(float), 0) < 0) |
| 533 |
> |
(off_t)ylim.min*scanlen(&tresolu)*sizeof(float), |
| 534 |
> |
SEEK_SET) < 0) |
| 535 |
|
syserror(zspec); |
| 536 |
|
/* load image */ |
| 537 |
|
for (y = ylim.min; y <= ylim.max; y++) { |
| 546 |
|
addscanline(xlim+y, y, scanin, zin, plast); |
| 547 |
|
} |
| 548 |
|
/* clean up */ |
| 549 |
< |
free((char *)xlim); |
| 550 |
< |
free((char *)scanin); |
| 551 |
< |
free((char *)zin); |
| 552 |
< |
free((char *)plast); |
| 549 |
> |
free((void *)xlim); |
| 550 |
> |
free((void *)scanin); |
| 551 |
> |
free((void *)zin); |
| 552 |
> |
free((void *)plast); |
| 553 |
|
fclose(pfp); |
| 554 |
|
if (zfd != -1) |
| 555 |
|
close(zfd); |
| 556 |
|
} |
| 557 |
|
|
| 558 |
|
|
| 559 |
< |
pixform(xfmat, vw1, vw2) /* compute view1 to view2 matrix */ |
| 560 |
< |
register MAT4 xfmat; |
| 561 |
< |
register VIEW *vw1, *vw2; |
| 559 |
> |
static int |
| 560 |
> |
pixform( /* compute view1 to view2 matrix */ |
| 561 |
> |
MAT4 xfmat, |
| 562 |
> |
VIEW *vw1, |
| 563 |
> |
VIEW *vw2 |
| 564 |
> |
) |
| 565 |
|
{ |
| 566 |
< |
double m4t[4][4]; |
| 566 |
> |
MAT4 m4t; |
| 567 |
|
|
| 568 |
< |
if (vw1->type != VT_PER & vw1->type != VT_PAR) |
| 568 |
> |
if ((vw1->type != VT_PER) & (vw1->type != VT_PAR)) |
| 569 |
|
return(0); |
| 570 |
< |
if (vw2->type != VT_PER & vw2->type != VT_PAR) |
| 570 |
> |
if ((vw2->type != VT_PER) & (vw2->type != VT_PAR)) |
| 571 |
|
return(0); |
| 572 |
|
setident4(xfmat); |
| 573 |
|
xfmat[0][0] = vw1->hvec[0]; |
| 600 |
|
} |
| 601 |
|
|
| 602 |
|
|
| 603 |
< |
addscanline(xl, y, pline, zline, lasty) /* add scanline to output */ |
| 604 |
< |
struct bound *xl; |
| 605 |
< |
int y; |
| 606 |
< |
COLR *pline; |
| 607 |
< |
float *zline; |
| 608 |
< |
struct position *lasty; /* input/output */ |
| 603 |
> |
static void |
| 604 |
> |
addscanline( /* add scanline to output */ |
| 605 |
> |
struct bound *xl, |
| 606 |
> |
int y, |
| 607 |
> |
COLR *pline, |
| 608 |
> |
float *zline, |
| 609 |
> |
struct position *lasty /* input/output */ |
| 610 |
> |
) |
| 611 |
|
{ |
| 612 |
|
FVECT pos; |
| 613 |
|
struct position lastx, newpos; |
| 614 |
|
double wt; |
| 615 |
< |
register int x; |
| 615 |
> |
int x; |
| 616 |
|
|
| 617 |
|
lastx.z = 0; |
| 618 |
|
for (x = xl->max; x >= xl->min; x--) { |
| 634 |
|
} |
| 635 |
|
|
| 636 |
|
|
| 637 |
< |
addpixel(p0, p1, p2, pix, w, z) /* fill in pixel parallelogram */ |
| 638 |
< |
struct position *p0, *p1, *p2; |
| 639 |
< |
COLR pix; |
| 640 |
< |
double w; |
| 641 |
< |
double z; |
| 637 |
> |
static void |
| 638 |
> |
addpixel( /* fill in pixel parallelogram */ |
| 639 |
> |
struct position *p0, |
| 640 |
> |
struct position *p1, |
| 641 |
> |
struct position *p2, |
| 642 |
> |
COLR pix, |
| 643 |
> |
double w, |
| 644 |
> |
double z |
| 645 |
> |
) |
| 646 |
|
{ |
| 647 |
|
double zt = 2.*zeps*p0->z; /* threshold */ |
| 648 |
|
COLOR pval; /* converted+weighted pixel */ |
| 650 |
|
int l1, l2, c1, c2; /* side lengths and counters */ |
| 651 |
|
int p1isy; /* p0p1 along y? */ |
| 652 |
|
int x1, y1; /* p1 position */ |
| 653 |
< |
register int x, y; /* final position */ |
| 653 |
> |
int x, y; /* final position */ |
| 654 |
|
|
| 655 |
|
/* compute vector p0p1 */ |
| 656 |
|
if (fillo&F_FORE && ABS(p1->z-p0->z) <= zt) { |
| 657 |
|
s1x = p1->x - p0->x; |
| 658 |
|
s1y = p1->y - p0->y; |
| 659 |
|
l1 = ABS(s1x); |
| 660 |
< |
if (p1isy = (ABS(s1y) > l1)) |
| 660 |
> |
if ( (p1isy = (ABS(s1y) > l1)) ) |
| 661 |
|
l1 = ABS(s1y); |
| 662 |
|
else if (l1 < 1) |
| 663 |
|
l1 = 1; |
| 690 |
|
y1 = p0->y + c1*s1y/l1; |
| 691 |
|
for (c2 = l2; c2-- > 0; ) { |
| 692 |
|
x = x1 + c2*s2x/l2; |
| 693 |
< |
if (x < 0 | x >= hresolu) |
| 693 |
> |
if ((x < 0) | (x >= hresolu)) |
| 694 |
|
continue; |
| 695 |
|
y = y1 + c2*s2y/l2; |
| 696 |
< |
if (y < 0 | y >= vresolu) |
| 696 |
> |
if ((y < 0) | (y >= vresolu)) |
| 697 |
|
continue; |
| 698 |
|
if (averaging) { |
| 699 |
|
if (zscan(y)[x] <= 0 || zscan(y)[x]-z |
| 715 |
|
} |
| 716 |
|
|
| 717 |
|
|
| 718 |
< |
double |
| 719 |
< |
movepixel(pos) /* reposition image point */ |
| 720 |
< |
register FVECT pos; |
| 718 |
> |
static double |
| 719 |
> |
movepixel( /* reposition image point */ |
| 720 |
> |
FVECT pos |
| 721 |
> |
) |
| 722 |
|
{ |
| 723 |
|
FVECT pt, tdir, odir; |
| 724 |
|
double d; |
| 728 |
|
if (usematrix) { |
| 729 |
|
pos[0] += theirview.hoff - .5; |
| 730 |
|
pos[1] += theirview.voff - .5; |
| 731 |
< |
if (normdist & theirview.type == VT_PER) |
| 731 |
> |
if (normdist & (theirview.type == VT_PER)) |
| 732 |
|
d = sqrt(1. + pos[0]*pos[0]*theirview.hn2 |
| 733 |
|
+ pos[1]*pos[1]*theirview.vn2); |
| 734 |
|
else |
| 752 |
|
} else { |
| 753 |
|
if (viewray(pt, tdir, &theirview, pos[0], pos[1]) < -FTINY) |
| 754 |
|
return(0); |
| 755 |
< |
if (!normdist & theirview.type == VT_PER) /* adjust */ |
| 755 |
> |
if ((!normdist) & (theirview.type == VT_PER)) /* adjust */ |
| 756 |
|
pos[2] *= sqrt(1. + pos[0]*pos[0]*theirview.hn2 |
| 757 |
|
+ pos[1]*pos[1]*theirview.vn2); |
| 758 |
|
pt[0] += tdir[0]*pos[2]; |
| 762 |
|
if (pos[2] <= 0) |
| 763 |
|
return(0); |
| 764 |
|
} |
| 765 |
< |
if (pos[0] < 0 | pos[0] >= 1-FTINY | pos[1] < 0 | pos[1] >= 1-FTINY) |
| 765 |
> |
if ((pos[0] < 0) | (pos[0] >= 1-FTINY) | (pos[1] < 0) | (pos[1] >= 1-FTINY)) |
| 766 |
|
return(0); |
| 767 |
|
if (!averaging) |
| 768 |
|
return(1); |
| 781 |
|
} |
| 782 |
|
|
| 783 |
|
|
| 784 |
< |
getperim(xl, yl, zline, zfd) /* compute overlapping image area */ |
| 785 |
< |
register struct bound *xl; |
| 786 |
< |
struct bound *yl; |
| 787 |
< |
float *zline; |
| 788 |
< |
int zfd; |
| 784 |
> |
static int |
| 785 |
> |
getperim( /* compute overlapping image area */ |
| 786 |
> |
struct bound *xl, |
| 787 |
> |
struct bound *yl, |
| 788 |
> |
float *zline, |
| 789 |
> |
int zfd |
| 790 |
> |
) |
| 791 |
|
{ |
| 792 |
|
int step; |
| 793 |
|
FVECT pos; |
| 794 |
< |
register int x, y; |
| 794 |
> |
int x, y; |
| 795 |
|
/* set up step size */ |
| 796 |
|
if (scanlen(&tresolu) < numscans(&tresolu)) |
| 797 |
|
step = scanlen(&tresolu)/NSTEPS; |
| 810 |
|
yl->min = 32000; yl->max = 0; /* search for points on image */ |
| 811 |
|
for (y = step - 1; y < numscans(&tresolu); y += step) { |
| 812 |
|
if (zfd != -1) { |
| 813 |
< |
if (lseek(zfd, (long)y*scanlen(&tresolu)*sizeof(float), |
| 814 |
< |
0) < 0) |
| 813 |
> |
if (lseek(zfd, (off_t)y*scanlen(&tresolu)*sizeof(float), |
| 814 |
> |
SEEK_SET) < 0) |
| 815 |
|
syserror("lseek"); |
| 816 |
|
if (read(zfd, (char *)zline, |
| 817 |
|
scanlen(&tresolu)*sizeof(float)) |
| 856 |
|
xl[y-1].max = xl[y-step].max; |
| 857 |
|
} |
| 858 |
|
for (x = 2; x < step; x++) |
| 859 |
< |
copystruct(xl+y-x, xl+y-1); |
| 859 |
> |
*(xl+y-x) = *(xl+y-1); |
| 860 |
|
} |
| 861 |
|
if (yl->max >= numscans(&tresolu)) |
| 862 |
|
yl->max = numscans(&tresolu) - 1; |
| 863 |
|
y -= step; |
| 864 |
|
for (x = numscans(&tresolu) - 1; x > y; x--) /* fill bottom rows */ |
| 865 |
< |
copystruct(xl+x, xl+y); |
| 865 |
> |
*(xl+x) = *(xl+y); |
| 866 |
|
return(yl->max >= yl->min); |
| 867 |
|
} |
| 868 |
|
|
| 869 |
|
|
| 870 |
< |
backpicture(fill, samp) /* background fill algorithm */ |
| 871 |
< |
int (*fill)(); |
| 872 |
< |
int samp; |
| 870 |
> |
static void |
| 871 |
> |
backpicture( /* background fill algorithm */ |
| 872 |
> |
fillfunc_t *fill, |
| 873 |
> |
int samp |
| 874 |
> |
) |
| 875 |
|
{ |
| 876 |
|
int *yback, xback; |
| 877 |
|
int y; |
| 878 |
< |
register int x, i; |
| 878 |
> |
int x, i; |
| 879 |
|
/* get back buffer */ |
| 880 |
|
yback = (int *)malloc(hresolu*sizeof(int)); |
| 881 |
|
if (yback == NULL) |
| 973 |
|
xback = -2; |
| 974 |
|
} |
| 975 |
|
} |
| 976 |
< |
free((char *)yback); |
| 976 |
> |
free((void *)yback); |
| 977 |
|
} |
| 978 |
|
|
| 979 |
|
|
| 980 |
< |
fillpicture(fill) /* paint in empty pixels using fill */ |
| 981 |
< |
int (*fill)(); |
| 980 |
> |
static void |
| 981 |
> |
fillpicture( /* paint in empty pixels using fill */ |
| 982 |
> |
fillfunc_t *fill |
| 983 |
> |
) |
| 984 |
|
{ |
| 985 |
< |
register int x, y; |
| 985 |
> |
int x, y; |
| 986 |
|
|
| 987 |
|
for (y = 0; y < vresolu; y++) |
| 988 |
|
for (x = 0; x < hresolu; x++) |
| 993 |
|
} |
| 994 |
|
|
| 995 |
|
|
| 996 |
< |
clipaft() /* perform aft clipping as indicated */ |
| 996 |
> |
static int |
| 997 |
> |
clipaft(void) /* perform aft clipping as indicated */ |
| 998 |
|
{ |
| 999 |
< |
register int x, y; |
| 1000 |
< |
int adjtest = ourview.type == VT_PER & zisnorm; |
| 999 |
> |
int x, y; |
| 1000 |
> |
int adjtest = (ourview.type == VT_PER) & zisnorm; |
| 1001 |
|
double tstdist; |
| 1002 |
|
double yzn2, vx; |
| 1003 |
|
|
| 1020 |
|
continue; |
| 1021 |
|
} |
| 1022 |
|
if (averaging) |
| 1023 |
< |
bzero(sscan(y)[x], sizeof(COLOR)); |
| 1023 |
> |
memset(sscan(y)[x], '\0', sizeof(COLOR)); |
| 1024 |
|
else |
| 1025 |
< |
bzero(pscan(y)[x], sizeof(COLR)); |
| 1025 |
> |
memset(pscan(y)[x], '\0', sizeof(COLR)); |
| 1026 |
|
zscan(y)[x] = 0.0; |
| 1027 |
|
} |
| 1028 |
|
} |
| 1030 |
|
} |
| 1031 |
|
|
| 1032 |
|
|
| 1033 |
< |
addblur() /* add to blurred picture */ |
| 1033 |
> |
static int |
| 1034 |
> |
addblur(void) /* add to blurred picture */ |
| 1035 |
|
{ |
| 1036 |
|
COLOR cval; |
| 1037 |
|
double d; |
| 1038 |
< |
register int i; |
| 1038 |
> |
int i; |
| 1039 |
|
|
| 1040 |
|
if (!blurring) |
| 1041 |
|
return(0); |
| 1071 |
|
} |
| 1072 |
|
|
| 1073 |
|
|
| 1074 |
< |
writepicture() /* write out picture (alters buffer) */ |
| 1074 |
> |
static void |
| 1075 |
> |
writepicture(void) /* write out picture (alters buffer) */ |
| 1076 |
|
{ |
| 1077 |
|
int y; |
| 1078 |
< |
register int x; |
| 1078 |
> |
int x; |
| 1079 |
|
double d; |
| 1080 |
|
|
| 1081 |
|
fprtresolu(hresolu, vresolu, stdout); |
| 1103 |
|
} |
| 1104 |
|
|
| 1105 |
|
|
| 1106 |
< |
writedistance(fname) /* write out z file (alters buffer) */ |
| 1107 |
< |
char *fname; |
| 1106 |
> |
static void |
| 1107 |
> |
writedistance( /* write out z file (alters buffer) */ |
| 1108 |
> |
char *fname |
| 1109 |
> |
) |
| 1110 |
|
{ |
| 1111 |
|
int donorm = normdist & !zisnorm ? 1 : |
| 1112 |
< |
ourview.type == VT_PER & !normdist & zisnorm ? -1 : 0; |
| 1112 |
> |
(ourview.type == VT_PER) & !normdist & zisnorm ? -1 : 0; |
| 1113 |
|
int fd; |
| 1114 |
|
int y; |
| 1115 |
|
|
| 1118 |
|
for (y = vresolu-1; y >= 0; y--) { |
| 1119 |
|
if (donorm) { |
| 1120 |
|
double vx, yzn2, d; |
| 1121 |
< |
register int x; |
| 1121 |
> |
int x; |
| 1122 |
|
yzn2 = (y+.5)/vresolu + ourview.voff - .5; |
| 1123 |
|
yzn2 = 1. + yzn2*yzn2*ourview.vn2; |
| 1124 |
|
for (x = 0; x < hresolu; x++) { |
| 1138 |
|
} |
| 1139 |
|
|
| 1140 |
|
|
| 1141 |
< |
backfill(x, y) /* fill pixel with background */ |
| 1142 |
< |
int x, y; |
| 1141 |
> |
static void |
| 1142 |
> |
backfill( /* fill pixel with background */ |
| 1143 |
> |
int x, |
| 1144 |
> |
int y |
| 1145 |
> |
) |
| 1146 |
|
{ |
| 1147 |
|
if (averaging) { |
| 1148 |
|
copycolor(sscan(y)[x], backcolor); |
| 1153 |
|
} |
| 1154 |
|
|
| 1155 |
|
|
| 1156 |
< |
calstart(prog, args) /* start fill calculation */ |
| 1157 |
< |
char *prog, *args; |
| 1156 |
> |
static void |
| 1157 |
> |
calstart( /* start fill calculation */ |
| 1158 |
> |
char *prog, |
| 1159 |
> |
char *args |
| 1160 |
> |
) |
| 1161 |
|
{ |
| 1162 |
|
char combuf[512]; |
| 1163 |
|
char *argv[64]; |
| 1164 |
|
int rval; |
| 1165 |
< |
register char **wp, *cp; |
| 1165 |
> |
char **wp, *cp; |
| 1166 |
|
|
| 1167 |
< |
if (childpid != -1) { |
| 1167 |
> |
if (PDesc.running) { |
| 1168 |
|
fprintf(stderr, "%s: too many calculations\n", progname); |
| 1169 |
|
exit(1); |
| 1170 |
|
} |
| 1183 |
|
} |
| 1184 |
|
*wp = NULL; |
| 1185 |
|
/* start process */ |
| 1186 |
< |
if ((rval = open_process(PDesc, argv)) < 0) |
| 1186 |
> |
if ((rval = open_process(&PDesc, argv)) < 0) |
| 1187 |
|
syserror(progname); |
| 1188 |
|
if (rval == 0) { |
| 1189 |
|
fprintf(stderr, "%s: command not found\n", argv[0]); |
| 1196 |
|
} |
| 1197 |
|
|
| 1198 |
|
|
| 1199 |
< |
caldone() /* done with calculation */ |
| 1199 |
> |
static void |
| 1200 |
> |
caldone(void) /* done with calculation */ |
| 1201 |
|
{ |
| 1202 |
< |
if (childpid == -1) |
| 1202 |
> |
if (!PDesc.running) |
| 1203 |
|
return; |
| 1204 |
|
clearqueue(); |
| 1205 |
< |
close_process(PDesc); |
| 1140 |
< |
childpid = -1; |
| 1205 |
> |
close_process(&PDesc); |
| 1206 |
|
} |
| 1207 |
|
|
| 1208 |
|
|
| 1209 |
< |
rcalfill(x, y) /* fill with ray-calculated pixel */ |
| 1210 |
< |
int x, y; |
| 1209 |
> |
static void |
| 1210 |
> |
rcalfill( /* fill with ray-calculated pixel */ |
| 1211 |
> |
int x, |
| 1212 |
> |
int y |
| 1213 |
> |
) |
| 1214 |
|
{ |
| 1215 |
|
if (queuesiz >= packsiz) /* flush queue if needed */ |
| 1216 |
|
clearqueue(); |
| 1221 |
|
} |
| 1222 |
|
|
| 1223 |
|
|
| 1224 |
< |
clearqueue() /* process queue */ |
| 1224 |
> |
static void |
| 1225 |
> |
clearqueue(void) /* process queue */ |
| 1226 |
|
{ |
| 1227 |
|
FVECT orig, dir; |
| 1228 |
|
float fbuf[6*(PACKSIZ+1)]; |
| 1229 |
< |
register float *fbp; |
| 1230 |
< |
register int i; |
| 1229 |
> |
float *fbp; |
| 1230 |
> |
int i; |
| 1231 |
|
double vx, vy; |
| 1232 |
|
|
| 1233 |
|
if (queuesiz == 0) |
| 1241 |
|
*fbp++ = dir[0]; *fbp++ = dir[1]; *fbp++ = dir[2]; |
| 1242 |
|
} |
| 1243 |
|
/* mark end and get results */ |
| 1244 |
< |
bzero((char *)fbp, 6*sizeof(float)); |
| 1245 |
< |
if (process(PDesc, fbuf, fbuf, 4*sizeof(float)*(queuesiz+1), |
| 1244 |
> |
memset((char *)fbp, '\0', 6*sizeof(float)); |
| 1245 |
> |
if (process(&PDesc, (char *)fbuf, (char *)fbuf, |
| 1246 |
> |
4*sizeof(float)*(queuesiz+1), |
| 1247 |
|
6*sizeof(float)*(queuesiz+1)) != |
| 1248 |
|
4*sizeof(float)*(queuesiz+1)) { |
| 1249 |
|
fprintf(stderr, "%s: error reading from rtrace process\n", |
| 1278 |
|
} |
| 1279 |
|
|
| 1280 |
|
|
| 1281 |
< |
syserror(s) /* report error and exit */ |
| 1282 |
< |
char *s; |
| 1281 |
> |
static void |
| 1282 |
> |
syserror( /* report error and exit */ |
| 1283 |
> |
char *s |
| 1284 |
> |
) |
| 1285 |
|
{ |
| 1286 |
|
perror(s); |
| 1287 |
|
exit(1); |