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/* Copyright (c) 1986 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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/* |
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* psum.c - program to sum pictures. |
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* |
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*/ |
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#include <stdio.h> |
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#include <math.h> |
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#include "color.h" |
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#include "resolu.h" |
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#include "rterror.h" |
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#define MAXFILE 8 |
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COLOR scale[MAXFILE]; /* scaling factors */ |
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int nfile; /* number of files */ |
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static gethfunc tabputs; |
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int |
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tabputs(s) /* print line preceded by a tab */ |
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char *s; |
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static int |
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tabputs( /* print line preceded by a tab */ |
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char *s, |
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void *p |
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) |
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{ |
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putc('\t', stdout); |
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return(fputs(s, stdout)); |
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/* get header */ |
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fputs(fname[nfile], stdout); |
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fputs(":\n", stdout); |
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getheader(fptr[nfile], tabputs); |
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getheader(fptr[nfile], tabputs, NULL); |
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/* get picture size */ |
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if (fgetresolu(&xres, &yres, fptr[nfile]) != (YMAJOR|YDECR)) { |
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fprintf(stderr, "%s: bad picture size\n", progname); |
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quit(1); |
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} |
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} |
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free((char *)scanin); |
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free((char *)scanout); |
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free((void *)scanin); |
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free((void *)scanout); |
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} |
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void |
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quit(code) /* exit gracefully */ |
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int code; |
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{ |
