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#include <stdlib.h> |
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#include <string.h> |
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#include "platform.h" |
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#include "rtprocess.h" /* Windows: must come first because of conflicts */ |
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#include "glare.h" |
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static int wrongformat = 0; |
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< |
SCAN *scanretire(); |
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static SCAN * claimscan(int y); |
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static COLR * getpictscan(int y); |
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static double pict_val(FVECT vd); |
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static void rt_compute(float *pb, int np); |
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static gethfunc getexpos; |
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static SCAN * scanretire(void); |
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static void initscans(void); |
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static void donescans(void); |
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extern long ftell(); |
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SCAN * |
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claimscan(y) /* claim scanline from buffers */ |
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int y; |
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static SCAN * |
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claimscan( /* claim scanline from buffers */ |
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int y |
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) |
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{ |
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int hi = shash(y); |
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SCAN *slast; |
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} |
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COLR * |
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getpictscan(y) /* get picture scanline */ |
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int y; |
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static COLR * |
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getpictscan( /* get picture scanline */ |
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int y |
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) |
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{ |
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register SCAN *sl; |
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register int i; |
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#ifdef DEBUG |
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pict_stats() /* print out picture read statistics */ |
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void |
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pict_stats(void) /* print out picture read statistics */ |
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{ |
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static long lastcall = 0L; /* ncall at last report */ |
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static long lastread = 0L; /* nread at last report */ |
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#endif |
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double |
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pict_val(vd) /* find picture value for view direction */ |
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FVECT vd; |
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static double |
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pict_val( /* find picture value for view direction */ |
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FVECT vd |
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) |
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{ |
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FVECT pp; |
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FVECT ip; |
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} |
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double |
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getviewpix(vh, vv) /* compute single view pixel */ |
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int vh, vv; |
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extern double |
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getviewpix( /* compute single view pixel */ |
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int vh, |
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int vv |
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) |
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{ |
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FVECT dir; |
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float rt_buf[12]; |
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} |
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getviewspan(vv, vb) /* compute a span of view pixels */ |
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int vv; |
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float *vb; |
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extern void |
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getviewspan( /* compute a span of view pixels */ |
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int vv, |
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float *vb |
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) |
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{ |
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float rt_buf[6*MAXPIX]; /* rtrace send/receive buffer */ |
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register int n; /* number of pixels in buffer */ |
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} |
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< |
rt_compute(pb, np) /* process buffer through rtrace */ |
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< |
float *pb; |
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int np; |
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static void |
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rt_compute( /* process buffer through rtrace */ |
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float *pb, |
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int np |
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) |
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{ |
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#ifdef DEBUG |
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if (verbose && np > 1) |
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} |
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int |
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getexpos(s) /* get exposure from header line */ |
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char *s; |
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static int |
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getexpos( /* get exposure from header line */ |
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char *s, |
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void *p |
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) |
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{ |
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char fmt[32]; |
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} |
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< |
open_pict(fn) /* open picture file */ |
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char *fn; |
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extern void |
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open_pict( /* open picture file */ |
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char *fn |
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) |
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{ |
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if ((pictfp = fopen(fn, "r")) == NULL) { |
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fprintf(stderr, "%s: cannot open\n", fn); |
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exit(1); |
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} |
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SET_FILE_BINARY(pictfp); |
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exposure = 1.0; |
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getheader(pictfp, getexpos, NULL); |
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if (wrongformat || !fscnresolu(&pxsiz, &pysiz, pictfp)) { |
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} |
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< |
close_pict() /* done with picture */ |
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> |
extern void |
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> |
close_pict(void) /* done with picture */ |
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{ |
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if (pictfp == NULL) |
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return; |
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} |
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< |
fork_rtrace(av) /* open pipe and start rtrace */ |
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< |
char *av[]; |
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extern void |
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fork_rtrace( /* open pipe and start rtrace */ |
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char *av[] |
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) |
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{ |
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int rval; |
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} |
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< |
done_rtrace() /* wait for rtrace to finish */ |
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> |
extern void |
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> |
done_rtrace(void) /* wait for rtrace to finish */ |
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{ |
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int status; |
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} |
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< |
SCAN * |
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< |
scanretire() /* retire old scanlines to free list */ |
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> |
static SCAN * |
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> |
scanretire(void) /* retire old scanlines to free list */ |
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{ |
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SCAN *sold[NRETIRE]; |
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int n; |
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static char *scan_buf; |
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< |
initscans() /* initialize scanline buffers */ |
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> |
static void |
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> |
initscans(void) /* initialize scanline buffers */ |
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{ |
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int scansize; |
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register SCAN *ptr; |
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} |
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< |
donescans() /* free up scanlines */ |
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> |
static void |
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> |
donescans(void) /* free up scanlines */ |
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{ |
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bfree(scan_buf, scanbufsiz); |
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bfree((char *)scanpos, pysiz*sizeof(long)); |
