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/* Copyright (c) 1995 Regents of the University of California */ |
2 |
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|
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#ifndef lint |
2 |
< |
static char SCCSid[] = "$SunId$ LBL"; |
2 |
> |
static const char RCSid[] = "$Id$"; |
3 |
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#endif |
6 |
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|
4 |
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/* |
5 |
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* Interpolate and extrapolate pictures with different view parameters. |
6 |
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* |
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* Greg Ward 09Dec89 |
8 |
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*/ |
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|
10 |
< |
#include "standard.h" |
10 |
> |
#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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|
15 |
+ |
#include "platform.h" |
16 |
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#include "standard.h" |
17 |
+ |
#include "rtprocess.h" /* Windows: must come before color.h */ |
18 |
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#include "view.h" |
18 |
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|
19 |
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#include "color.h" |
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|
21 |
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#include "resolu.h" |
22 |
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|
21 |
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#define LOG2 0.69314718055994530942 |
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|
23 |
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#define pscan(y) (ourpict+(y)*hresolu) |
28 |
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#define averaging (ourweigh != NULL) |
29 |
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#define blurring (ourbpict != NULL) |
30 |
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#define usematrix (hasmatrix & !averaging) |
31 |
< |
#define zisnorm (!usematrix | ourview.type != VT_PER) |
31 |
> |
#define zisnorm ((!usematrix) | (ourview.type != VT_PER)) |
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|
33 |
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#define MAXWT 1000. /* maximum pixel weight (averaging) */ |
34 |
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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) */ |
73 |
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extern int backfill(), rcalfill(); /* fill functions */ |
74 |
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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) */ |
73 |
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double backz = 0.0; /* background z value */ |
85 |
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MAT4 theirs2ours; /* transformation matrix */ |
86 |
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int hasmatrix = 0; /* has transformation matrix */ |
87 |
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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 */ |
89 |
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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 */ |
92 |
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|
93 |
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extern double movepixel(); |
93 |
> |
typedef void fillfunc_t(int x, int y); |
94 |
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|
95 |
+ |
static gethfunc headline; |
96 |
+ |
static int nextview(FILE *fp); |
97 |
+ |
static void compavgview(void); |
98 |
+ |
static void addpicture(char *pfile, char *zspec); |
99 |
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static int pixform(MAT4 xfmat, VIEW *vw1, VIEW *vw2); |
100 |
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static void addscanline(struct bound *xl, int y, |
101 |
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COLR *pline, float *zline, struct position *lasty); |
102 |
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static void addpixel(struct position *p0, struct position *p1, |
103 |
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struct position *p2, COLR pix, double w, double z); |
104 |
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static double movepixel(FVECT pos); |
105 |
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static int getperim(struct bound *xl, struct bound *yl, float *zline, int zfd); |
106 |
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static void backpicture(fillfunc_t *fill, int samp); |
107 |
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static void fillpicture(fillfunc_t *fill); |
108 |
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static int clipaft(void); |
109 |
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static int addblur(void); |
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static void writepicture(void); |
111 |
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static void writedistance(char *fname); |
112 |
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static fillfunc_t backfill; |
113 |
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static fillfunc_t rcalfill; |
114 |
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static void calstart(char *prog, char *args); |
115 |
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static void caldone(void); |
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static void clearqueue(void); |
117 |
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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 |
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char *argv[]; |
119 |
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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++) { |
238 |
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if (argv[an][2] != 'f') |
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goto badopt; |
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check(3,"s"); |
241 |
< |
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] == '-') { |
264 |
> |
if (expcomp != NULL) { |
265 |
> |
if ((expcomp[0] == '+') | (expcomp[0] == '-')) { |
266 |
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expadj = atof(expcomp) + (expcomp[0]=='+' ? .5 : -.5); |
267 |
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if (doavg | doblur) |
268 |
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rexpadj = pow(2.0, atof(expcomp)); |
276 |
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if (!(doavg | doblur)) |
277 |
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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) { |
282 |
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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)); |
290 |
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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 { |
294 |
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ourpict = (COLR *)bmalloc(hresolu*vresolu*sizeof(COLR)); |
305 |
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syserror(progname); |
306 |
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/* new header */ |
307 |
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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) |
313 |
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addpicture(argv[i], argv[i+1]); |
314 |
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if (fillo&F_BACK) /* fill in spaces */ |
328 |
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fprintview(&avgview, stdout); |
329 |
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putc('\n', stdout); |
330 |
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} |
331 |
< |
if (pixaspect < .99 | pixaspect > 1.01) |
331 |
> |
if ((pixaspect < .99) | (pixaspect > 1.01)) |
332 |
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fputaspect(pixaspect, stdout); |
333 |
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if (ourexp > 0) |
334 |
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ourexp *= rexpadj; |
335 |
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else |
336 |
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ourexp = rexpadj; |
337 |
< |
if (ourexp < .995 | ourexp > 1.005) |
337 |
> |
if ((ourexp < .995) | (ourexp > 1.005)) |
338 |
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fputexpos(ourexp, stdout); |
339 |
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if (strcmp(ourfmt, PICFMT)) /* print format if known */ |
340 |
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fputformat(ourfmt, stdout); |
355 |
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} |
356 |
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|
357 |
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|
358 |
< |
headline(s) /* process header string */ |
359 |
< |
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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|
366 |
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if (isheadid(s)) |
367 |
< |
return; |
367 |
> |
return(0); |
368 |
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if (formatval(fmt, s)) { |
369 |
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if (globmatch(ourfmt, fmt)) { |
370 |
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wrongformat = 0; |
371 |
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strcpy(ourfmt, fmt); |
372 |
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} else |
373 |
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wrongformat = 1; |
374 |
< |
return; |
374 |
> |
return(0); |
375 |
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} |
376 |
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if (nvavg < 2) { |
377 |
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putc('\t', stdout); |
379 |
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} |
380 |
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if (isexpos(s)) { |
381 |
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theirexp *= exposval(s); |
382 |
< |
return; |
382 |
> |
return(0); |
383 |
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} |
384 |
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if (isview(s) && sscanview(&theirview, s) > 0) |
385 |
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gotview++; |
386 |
+ |
return(0); |
387 |
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} |
388 |
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|
389 |
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|
390 |
< |
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) { |
400 |
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do /* get new view */ |
408 |
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exit(1); |
409 |
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} |
410 |
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if (!nvavg) { /* first view */ |
411 |
< |
copystruct(&avgview, &ourview); |
411 |
> |
avgview = ourview; |
412 |
|
return(nvavg++); |
413 |
|
} |
414 |
|
/* add to average view */ |
417 |
|
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; |
421 |
|
avgview.horiz += ourview.horiz; |
422 |
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avgview.vert += ourview.vert; |
423 |
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avgview.hoff += ourview.hoff; |
428 |
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} |
429 |
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|
430 |
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|
431 |
< |
compavgview() /* compute average view */ |
431 |
> |
static void |
432 |
> |
compavgview(void) /* compute average view */ |
433 |
|
{ |
434 |
< |
register int i; |
434 |
> |
int i; |
435 |
|
double f; |
436 |
|
|
437 |
|
if (nvavg < 2) |
442 |
|
avgview.vdir[i] *= f; |
443 |
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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 |
|
avgview.hoff *= f; |
450 |
|
avgview.vfore *= f; |
451 |
|
avgview.vaft *= f; |
452 |
|
if (setview(&avgview) != NULL) /* in case of emergency... */ |
453 |
< |
copystruct(&avgview, &ourview); |
453 |
> |
avgview = ourview; |
454 |
|
pixaspect = viewaspect(&avgview) * hresolu / vresolu; |
455 |
|
} |
456 |
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|
457 |
|
|
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; |
675 |
– |
register int i; |
725 |
|
|
726 |
|
if (pos[2] <= 0) /* empty pixel */ |
727 |
|
return(0); |
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 */ |
756 |
< |
pos[2] *= sqrt(1. + pos[0]*pos[0]*theirview.hn2 |
708 |
< |
+ pos[1]*pos[1]*theirview.vn2); |
755 |
> |
if ((!normdist) & (theirview.type == VT_PER)) /* adjust */ |
756 |
> |
pos[2] /= DOT(theirview.vdir, tdir); |
757 |
|
pt[0] += tdir[0]*pos[2]; |
758 |
|
pt[1] += tdir[1]*pos[2]; |
759 |
|
pt[2] += tdir[2]*pos[2]; |
760 |
< |
viewloc(pos, &ourview, pt); |
713 |
< |
if (pos[2] <= 0) |
760 |
> |
if (viewloc(pos, &ourview, pt) <= 0) |
761 |
|
return(0); |
762 |
|
} |
763 |
< |
if (pos[0] < 0 | pos[0] >= 1-FTINY | pos[1] < 0 | pos[1] >= 1-FTINY) |
763 |
> |
if ((pos[0] < 0) | (pos[0] >= 1-FTINY) | (pos[1] < 0) | (pos[1] >= 1-FTINY)) |
764 |
|
return(0); |
765 |
|
if (!averaging) |
766 |
|
return(1); |
767 |
< |
if (ourview.type == VT_PAR) /* compute our direction */ |
768 |
< |
VCOPY(odir, ourview.vdir); |
769 |
< |
else |
770 |
< |
for (i = 0; i < 3; i++) |
771 |
< |
odir[i] = (pt[i] - ourview.vp[i])/pos[2]; |
772 |
< |
d = DOT(odir,tdir); /* compute pixel weight */ |
773 |
< |
if (d >= 1.-1./MAXWT/MAXWT) |
767 |
> |
/* compute pixel weight */ |
768 |
> |
if (ourview.type == VT_PAR) { |
769 |
> |
d = DOT(ourview.vdir,tdir); |
770 |
> |
d = 1. - d*d; |
771 |
> |
} else { |
772 |
> |
VSUB(odir, pt, ourview.vp); |
773 |
> |
d = DOT(odir,tdir); |
774 |
> |
d = 1. - d*d/DOT(odir,odir); |
775 |
> |
} |
776 |
> |
if (d <= 1./MAXWT/MAXWT) |
777 |
|
return(MAXWT); /* clip to maximum weight */ |
778 |
< |
return(1./sqrt(1.-d)); |
778 |
> |
return(1./sqrt(d)); |
779 |
|
} |
780 |
|
|
781 |
|
|
782 |
< |
getperim(xl, yl, zline, zfd) /* compute overlapping image area */ |
783 |
< |
register struct bound *xl; |
784 |
< |
struct bound *yl; |
785 |
< |
float *zline; |
786 |
< |
int zfd; |
782 |
> |
static int |
783 |
> |
getperim( /* compute overlapping image area */ |
784 |
> |
struct bound *xl, |
785 |
> |
struct bound *yl, |
786 |
> |
float *zline, |
787 |
> |
int zfd |
788 |
> |
) |
789 |
|
{ |
790 |
|
int step; |
791 |
|
FVECT pos; |
792 |
< |
register int x, y; |
792 |
> |
int x, y; |
793 |
|
/* set up step size */ |
794 |
|
if (scanlen(&tresolu) < numscans(&tresolu)) |
795 |
|
step = scanlen(&tresolu)/NSTEPS; |
808 |
|
yl->min = 32000; yl->max = 0; /* search for points on image */ |
809 |
|
for (y = step - 1; y < numscans(&tresolu); y += step) { |
810 |
|
if (zfd != -1) { |
811 |
< |
if (lseek(zfd, (long)y*scanlen(&tresolu)*sizeof(float), |
812 |
< |
0) < 0) |
811 |
> |
if (lseek(zfd, (off_t)y*scanlen(&tresolu)*sizeof(float), |
812 |
> |
SEEK_SET) < 0) |
813 |
|
syserror("lseek"); |
814 |
|
if (read(zfd, (char *)zline, |
815 |
|
scanlen(&tresolu)*sizeof(float)) |
854 |
|
xl[y-1].max = xl[y-step].max; |
855 |
|
} |
856 |
|
for (x = 2; x < step; x++) |
857 |
< |
copystruct(xl+y-x, xl+y-1); |
857 |
> |
*(xl+y-x) = *(xl+y-1); |
858 |
|
} |
859 |
|
if (yl->max >= numscans(&tresolu)) |
860 |
|
yl->max = numscans(&tresolu) - 1; |
861 |
|
y -= step; |
862 |
|
for (x = numscans(&tresolu) - 1; x > y; x--) /* fill bottom rows */ |
863 |
< |
copystruct(xl+x, xl+y); |
863 |
> |
*(xl+x) = *(xl+y); |
864 |
|
return(yl->max >= yl->min); |
865 |
|
} |
866 |
|
|
867 |
|
|
868 |
< |
backpicture(fill, samp) /* background fill algorithm */ |
869 |
< |
int (*fill)(); |
870 |
< |
int samp; |
868 |
> |
static void |
869 |
> |
backpicture( /* background fill algorithm */ |
870 |
> |
fillfunc_t *fill, |
871 |
> |
int samp |
872 |
> |
) |
873 |
|
{ |
874 |
|
int *yback, xback; |
875 |
|
int y; |
876 |
< |
register int x, i; |
876 |
> |
int x, i; |
877 |
|
/* get back buffer */ |
878 |
|
yback = (int *)malloc(hresolu*sizeof(int)); |
879 |
|
if (yback == NULL) |
971 |
|
xback = -2; |
972 |
|
} |
973 |
|
} |
974 |
< |
free((char *)yback); |
974 |
> |
free((void *)yback); |
975 |
|
} |
976 |
|
|
977 |
|
|
978 |
< |
fillpicture(fill) /* paint in empty pixels using fill */ |
979 |
< |
int (*fill)(); |
978 |
> |
static void |
979 |
> |
fillpicture( /* paint in empty pixels using fill */ |
980 |
> |
fillfunc_t *fill |
981 |
> |
) |
982 |
|
{ |
983 |
< |
register int x, y; |
983 |
> |
int x, y; |
984 |
|
|
985 |
|
for (y = 0; y < vresolu; y++) |
986 |
|
for (x = 0; x < hresolu; x++) |
991 |
|
} |
992 |
|
|
993 |
|
|
994 |
< |
clipaft() /* perform aft clipping as indicated */ |
994 |
> |
static int |
995 |
> |
clipaft(void) /* perform aft clipping as indicated */ |
996 |
|
{ |
997 |
< |
register int x, y; |
998 |
< |
int adjtest = ourview.type == VT_PER & zisnorm; |
997 |
> |
int x, y; |
998 |
> |
int adjtest = (ourview.type == VT_PER) & zisnorm; |
999 |
|
double tstdist; |
1000 |
|
double yzn2, vx; |
1001 |
|
|
1018 |
|
continue; |
1019 |
|
} |
1020 |
|
if (averaging) |
1021 |
< |
bzero(sscan(y)[x], sizeof(COLOR)); |
1021 |
> |
memset(sscan(y)[x], '\0', sizeof(COLOR)); |
1022 |
|
else |
1023 |
< |
bzero(pscan(y)[x], sizeof(COLR)); |
1023 |
> |
memset(pscan(y)[x], '\0', sizeof(COLR)); |
1024 |
|
zscan(y)[x] = 0.0; |
1025 |
|
} |
1026 |
|
} |
1028 |
|
} |
1029 |
|
|
1030 |
|
|
1031 |
< |
addblur() /* add to blurred picture */ |
1031 |
> |
static int |
1032 |
> |
addblur(void) /* add to blurred picture */ |
1033 |
|
{ |
1034 |
|
COLOR cval; |
1035 |
|
double d; |
1036 |
< |
register int i; |
1036 |
> |
int i; |
1037 |
|
|
1038 |
|
if (!blurring) |
1039 |
|
return(0); |
1069 |
|
} |
1070 |
|
|
1071 |
|
|
1072 |
< |
writepicture() /* write out picture (alters buffer) */ |
1072 |
> |
static void |
1073 |
> |
writepicture(void) /* write out picture (alters buffer) */ |
1074 |
|
{ |
1075 |
|
int y; |
1076 |
< |
register int x; |
1076 |
> |
int x; |
1077 |
|
double d; |
1078 |
|
|
1079 |
|
fprtresolu(hresolu, vresolu, stdout); |
1101 |
|
} |
1102 |
|
|
1103 |
|
|
1104 |
< |
writedistance(fname) /* write out z file (alters buffer) */ |
1105 |
< |
char *fname; |
1104 |
> |
static void |
1105 |
> |
writedistance( /* write out z file (alters buffer) */ |
1106 |
> |
char *fname |
1107 |
> |
) |
1108 |
|
{ |
1109 |
|
int donorm = normdist & !zisnorm ? 1 : |
1110 |
< |
ourview.type == VT_PER & !normdist & zisnorm ? -1 : 0; |
1110 |
> |
(ourview.type == VT_PER) & !normdist & zisnorm ? -1 : 0; |
1111 |
|
int fd; |
1112 |
|
int y; |
1113 |
|
|
1116 |
|
for (y = vresolu-1; y >= 0; y--) { |
1117 |
|
if (donorm) { |
1118 |
|
double vx, yzn2, d; |
1119 |
< |
register int x; |
1119 |
> |
int x; |
1120 |
|
yzn2 = (y+.5)/vresolu + ourview.voff - .5; |
1121 |
|
yzn2 = 1. + yzn2*yzn2*ourview.vn2; |
1122 |
|
for (x = 0; x < hresolu; x++) { |
1136 |
|
} |
1137 |
|
|
1138 |
|
|
1139 |
< |
backfill(x, y) /* fill pixel with background */ |
1140 |
< |
int x, y; |
1139 |
> |
static void |
1140 |
> |
backfill( /* fill pixel with background */ |
1141 |
> |
int x, |
1142 |
> |
int y |
1143 |
> |
) |
1144 |
|
{ |
1145 |
|
if (averaging) { |
1146 |
|
copycolor(sscan(y)[x], backcolor); |
1151 |
|
} |
1152 |
|
|
1153 |
|
|
1154 |
< |
calstart(prog, args) /* start fill calculation */ |
1155 |
< |
char *prog, *args; |
1154 |
> |
static void |
1155 |
> |
calstart( /* start fill calculation */ |
1156 |
> |
char *prog, |
1157 |
> |
char *args |
1158 |
> |
) |
1159 |
|
{ |
1160 |
|
char combuf[512]; |
1161 |
|
char *argv[64]; |
1162 |
|
int rval; |
1163 |
< |
register char **wp, *cp; |
1163 |
> |
char **wp, *cp; |
1164 |
|
|
1165 |
< |
if (childpid != -1) { |
1165 |
> |
if (PDesc.running) { |
1166 |
|
fprintf(stderr, "%s: too many calculations\n", progname); |
1167 |
|
exit(1); |
1168 |
|
} |
1181 |
|
} |
1182 |
|
*wp = NULL; |
1183 |
|
/* start process */ |
1184 |
< |
if ((rval = open_process(PDesc, argv)) < 0) |
1184 |
> |
if ((rval = open_process(&PDesc, argv)) < 0) |
1185 |
|
syserror(progname); |
1186 |
|
if (rval == 0) { |
1187 |
|
fprintf(stderr, "%s: command not found\n", argv[0]); |
1194 |
|
} |
1195 |
|
|
1196 |
|
|
1197 |
< |
caldone() /* done with calculation */ |
1197 |
> |
static void |
1198 |
> |
caldone(void) /* done with calculation */ |
1199 |
|
{ |
1200 |
< |
if (childpid == -1) |
1200 |
> |
if (!PDesc.running) |
1201 |
|
return; |
1202 |
|
clearqueue(); |
1203 |
< |
close_process(PDesc); |
1136 |
< |
childpid = -1; |
1203 |
> |
close_process(&PDesc); |
1204 |
|
} |
1205 |
|
|
1206 |
|
|
1207 |
< |
rcalfill(x, y) /* fill with ray-calculated pixel */ |
1208 |
< |
int x, y; |
1207 |
> |
static void |
1208 |
> |
rcalfill( /* fill with ray-calculated pixel */ |
1209 |
> |
int x, |
1210 |
> |
int y |
1211 |
> |
) |
1212 |
|
{ |
1213 |
|
if (queuesiz >= packsiz) /* flush queue if needed */ |
1214 |
|
clearqueue(); |
1219 |
|
} |
1220 |
|
|
1221 |
|
|
1222 |
< |
clearqueue() /* process queue */ |
1222 |
> |
static void |
1223 |
> |
clearqueue(void) /* process queue */ |
1224 |
|
{ |
1225 |
|
FVECT orig, dir; |
1226 |
|
float fbuf[6*(PACKSIZ+1)]; |
1227 |
< |
register float *fbp; |
1228 |
< |
register int i; |
1227 |
> |
float *fbp; |
1228 |
> |
int i; |
1229 |
|
double vx, vy; |
1230 |
|
|
1231 |
|
if (queuesiz == 0) |
1239 |
|
*fbp++ = dir[0]; *fbp++ = dir[1]; *fbp++ = dir[2]; |
1240 |
|
} |
1241 |
|
/* mark end and get results */ |
1242 |
< |
bzero((char *)fbp, 6*sizeof(float)); |
1243 |
< |
if (process(PDesc, fbuf, fbuf, 4*sizeof(float)*(queuesiz+1), |
1242 |
> |
memset((char *)fbp, '\0', 6*sizeof(float)); |
1243 |
> |
if (process(&PDesc, (char *)fbuf, (char *)fbuf, |
1244 |
> |
4*sizeof(float)*(queuesiz+1), |
1245 |
|
6*sizeof(float)*(queuesiz+1)) != |
1246 |
|
4*sizeof(float)*(queuesiz+1)) { |
1247 |
|
fprintf(stderr, "%s: error reading from rtrace process\n", |
1276 |
|
} |
1277 |
|
|
1278 |
|
|
1279 |
< |
syserror(s) /* report error and exit */ |
1280 |
< |
char *s; |
1279 |
> |
static void |
1280 |
> |
syserror( /* report error and exit */ |
1281 |
> |
char *s |
1282 |
> |
) |
1283 |
|
{ |
1284 |
|
perror(s); |
1285 |
|
exit(1); |