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#include <string.h> |
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#include "platform.h" |
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#include "rterror.h" |
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#include "rholo.h" |
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#include "view.h" |
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char *progname; /* our program name */ |
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char *hdkfile; /* holodeck file name */ |
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extern int nowarn; /* turn warnings off? */ |
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static void dopicture(int fn); |
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static void render_frame(PACKHEAD *bl, int nb); |
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static void startpicture(int fn); |
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static int endpicture(void); |
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static void initialize(void); |
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/* from rhpict2.c */ |
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extern void pixFinish(double ransamp); |
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extern void pixBeam(BEAM *bp, HDBEAMI *hb); |
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main(argc, argv) |
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int argc; |
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char *argv[]; |
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int |
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main( |
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int argc, |
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char *argv[] |
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) |
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{ |
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int i, rval; |
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"Usage: %s [-w][-r rf][-pa pa][-pe ex][-x hr][-y vr][-S stfn][-o outp][view] input.hdk\n", |
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progname); |
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quit(1); |
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return 1; /* pro forma return */ |
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} |
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dopicture(fn) /* render view from holodeck */ |
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int fn; |
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static void |
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dopicture( /* render view from holodeck */ |
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int fn |
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) |
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{ |
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char *err; |
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int rval; |
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} |
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render_frame(bl, nb) /* render frame from beam values */ |
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register PACKHEAD *bl; |
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int nb; |
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static void |
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render_frame( /* render frame from beam values */ |
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PACKHEAD *bl, |
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int nb |
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) |
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{ |
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extern void pixBeam(); |
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register HDBEAMI *bil; |
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register int i; |
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HDBEAMI *bil; |
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int i; |
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if (nb <= 0) return; |
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if ((bil = (HDBEAMI *)malloc(nb*sizeof(HDBEAMI))) == NULL) |
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} |
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startpicture(fn) /* initialize picture for rendering & output */ |
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int fn; |
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static void |
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startpicture( /* initialize picture for rendering & output */ |
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int fn |
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) |
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{ |
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extern char VersionID[]; |
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double pa = pixaspect; |
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/* prepare output */ |
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if (outspec != NULL) { |
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sprintf(fname, outspec, fn); |
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if (freopen(fname, "w", stdout) == NULL) { |
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if (freopen(fname, "wb", stdout) == NULL) { |
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sprintf(errmsg, "cannot open output \"%s\"", fname); |
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error(SYSTEM, errmsg); |
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} |
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} |
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int |
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endpicture() /* finish and write out pixels */ |
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static int |
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endpicture(void) /* finish and write out pixels */ |
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{ |
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int lastr = -1, nunrend = 0; |
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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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int32 p; |
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double d; |
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/* compute final pixel values */ |
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for (p = hres*vres; p--; ) { |
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if (myweight[p] <= FTINY) { |
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} |
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initialize() /* initialize holodeck and buffers */ |
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static void |
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initialize(void) /* initialize holodeck and buffers */ |
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{ |
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int fd; |
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FILE *fp; |
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int n; |
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int32 nextloc; |
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off_t nextloc; |
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/* open holodeck file */ |
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if ((fp = fopen(hdkfile, "r")) == NULL) { |
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if ((fp = fopen(hdkfile, "rb")) == NULL) { |
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sprintf(errmsg, "cannot open \"%s\" for reading", hdkfile); |
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error(SYSTEM, errmsg); |
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} |
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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, (off_t)nextloc, 0); |
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lseek(fd, nextloc, SEEK_SET); |
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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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void |
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eputs(s) /* put error message to stderr */ |
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register char *s; |
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eputs(const char *s) /* put error message to stderr */ |
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{ |
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static int midline = 0; |
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