279 |
|
normaspect(viewaspect(&ourview)*hmult/vmult, &pixaspect, &hres, &vres); |
280 |
|
if (!nowarn && (hr != hres*hmult) | (vr != vres*vmult)) |
281 |
|
fprintf(stderr, |
282 |
< |
"%s: warning - resolution changed from %dx%d to %dx%d\n", |
282 |
> |
"%s: warning - changed resolution from %dx%d to %dx%d\n", |
283 |
|
progname, hr, vr, hres*hmult, vres*vmult); |
284 |
|
sprintf(hrbuf, "%d", hres); |
285 |
|
rpargv[rpargc++] = "-x"; rpargv[rpargc++] = hrbuf; |
298 |
|
fprintf(fp, "SOFTWARE= %s\n", VersionID); |
299 |
|
fputs(VIEWSTR, fp); |
300 |
|
fprintview(&ourview, fp); |
301 |
< |
putc('\n', fp); |
301 |
> |
fputc('\n', fp); |
302 |
|
fputnow(fp); |
303 |
|
if (pixaspect < .99 || pixaspect > 1.01) |
304 |
|
fputaspect(pixaspect, fp); |
305 |
|
fputformat(COLRFMT, fp); |
306 |
< |
putc('\n', fp); |
306 |
> |
fputc('\n', fp); |
307 |
|
fprtresolu(hres*hmult, vres*vmult, fp); |
308 |
|
} else if ((outfd = open(outfile, O_RDWR)) >= 0) { |
309 |
|
dolock(outfd, F_RDLCK); |
326 |
|
goto filerr; |
327 |
|
dolock(outfd, F_UNLCK); |
328 |
|
/* start rpict process */ |
329 |
+ |
rpd = sp_inactive; |
330 |
|
if (open_process(&rpd, rpargv) <= 0) { |
331 |
|
fprintf(stderr, "%s: cannot start %s\n", progname, rpargv[0]); |
332 |
|
exit(1); |
461 |
|
static void |
462 |
|
rpiece(void) /* render picture piece by piece */ |
463 |
|
{ |
464 |
+ |
char *err; |
465 |
|
VIEW pview; |
466 |
|
int xorg, yorg; |
465 |
– |
/* compute view parameters */ |
466 |
– |
pview = ourview; |
467 |
– |
switch (ourview.type) { |
468 |
– |
case VT_PER: |
469 |
– |
pview.horiz = (2.*180./PI)*atan( |
470 |
– |
tan((PI/180./2.)*ourview.horiz)/hmult ); |
471 |
– |
pview.vert = (2.*180./PI)*atan( |
472 |
– |
tan((PI/180./2.)*ourview.vert)/vmult ); |
473 |
– |
break; |
474 |
– |
case VT_PAR: |
475 |
– |
case VT_ANG: |
476 |
– |
pview.horiz = ourview.horiz / hmult; |
477 |
– |
pview.vert = ourview.vert / vmult; |
478 |
– |
break; |
479 |
– |
case VT_CYL: |
480 |
– |
pview.horiz = ourview.horiz / hmult; |
481 |
– |
pview.vert = (2.*180./PI)*atan( |
482 |
– |
tan((PI/180./2.)*ourview.vert)/vmult ); |
483 |
– |
break; |
484 |
– |
case VT_HEM: |
485 |
– |
pview.horiz = (2.*180./PI)*asin( |
486 |
– |
sin((PI/180./2.)*ourview.horiz)/hmult ); |
487 |
– |
pview.vert = (2.*180./PI)*asin( |
488 |
– |
sin((PI/180./2.)*ourview.vert)/vmult ); |
489 |
– |
break; |
490 |
– |
case VT_PLS: |
491 |
– |
pview.horiz = sin((PI/180./2.)*ourview.horiz) / |
492 |
– |
(1.0 + cos((PI/180./2.)*ourview.horiz)) / hmult; |
493 |
– |
pview.horiz *= pview.horiz; |
494 |
– |
pview.horiz = (2.*180./PI)*acos((1. - pview.horiz) / |
495 |
– |
(1. + pview.horiz)); |
496 |
– |
pview.vert = sin((PI/180./2.)*ourview.vert) / |
497 |
– |
(1.0 + cos((PI/180./2.)*ourview.vert)) / vmult; |
498 |
– |
pview.vert *= pview.vert; |
499 |
– |
pview.vert = (2.*180./PI)*acos((1. - pview.vert) / |
500 |
– |
(1. + pview.vert)); |
501 |
– |
break; |
502 |
– |
default: |
503 |
– |
fprintf(stderr, "%s: unknown view type '-vt%c'\n", |
504 |
– |
progname, ourview.type); |
505 |
– |
exit(cleanup(1)); |
506 |
– |
} |
467 |
|
/* render each piece */ |
468 |
|
while (nextpiece(&xorg, &yorg)) { |
469 |
< |
pview.hoff = ourview.hoff*hmult + xorg - 0.5*(hmult-1); |
470 |
< |
pview.voff = ourview.voff*vmult + yorg - 0.5*(vmult-1); |
469 |
> |
pview = ourview; |
470 |
> |
err = cropview(&pview, (double)xorg/hmult, (double)yorg/vmult, |
471 |
> |
(xorg+1.)/hmult, (yorg+1.)/vmult); |
472 |
> |
if (err != NULL) { |
473 |
> |
fprintf(stderr, "%s: %s\n", progname, err); |
474 |
> |
exit(cleanup(1)); |
475 |
> |
} |
476 |
|
fputs(VIEWSTR, torp); |
477 |
|
fprintview(&pview, torp); |
478 |
< |
putc('\n', torp); |
478 |
> |
fputc('\n', torp); |
479 |
|
fflush(torp); /* assigns piece to rpict */ |
480 |
|
putpiece(xorg, yorg); /* place piece in output */ |
481 |
|
} |