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/* Copyright (c) 1999 Silicon Graphics, Inc. */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ SGI"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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/* |
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* Radiance holodeck picture generator |
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*/ |
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#include "rholo.h" |
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#include "view.h" |
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#include "resolu.h" |
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char *progname; /* our program name */ |
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char *hdkfile; /* holodeck file name */ |
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/* render image */ |
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if (blist.nb > 0) { |
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render_frame(blist.bl, blist.nb); |
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free((char *)blist.bl); |
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free((void *)blist.bl); |
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} else { |
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sprintf(errmsg, "no section visible in frame %d", fn); |
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error(WARNING, errmsg); |
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} |
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hdloadbeams(bil, nb, pixBeam); |
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pixFinish(randfrac); |
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free((char *)bil); |
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free((void *)bil); |
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} |
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endpicture() /* finish and write out pixels */ |
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{ |
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int lastr = -1, nunrend = 0; |
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int4 lastp, lastrp; |
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register int4 p; |
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int32 lastp, lastrp; |
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register int32 p; |
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register double d; |
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/* compute final pixel values */ |
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for (p = hres*vres; p--; ) { |
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initialize() /* initialize holodeck and buffers */ |
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{ |
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extern long ftell(); |
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int fd; |
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FILE *fp; |
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int n; |
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int4 nextloc; |
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int32 nextloc; |
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/* open holodeck file */ |
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if ((fp = fopen(hdkfile, "r")) == NULL) { |
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sprintf(errmsg, "cannot open \"%s\" for reading", hdkfile); |
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fd = dup(fileno(fp)); /* dup file descriptor */ |
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fclose(fp); /* done with stdio */ |
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for (n = 0; nextloc > 0L; n++) { /* initialize each section */ |
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lseek(fd, (long)nextloc, 0); |
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lseek(fd, (off_t)nextloc, 0); |
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read(fd, (char *)&nextloc, sizeof(nextloc)); |
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hdinit(fd, NULL); |
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} |
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} |
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void |
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eputs(s) /* put error message to stderr */ |
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register char *s; |
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{ |
