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/* Copyright (c) 1993 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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/* |
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* pcompos.c - program to composite pictures. |
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* |
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* 6/30/87 |
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*/ |
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#include <stdio.h> |
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|
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#include <math.h> |
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#ifdef MSDOS |
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#include <fcntl.h> |
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#endif |
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#include "copyright.h" |
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#include "rtio.h" |
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#include "platform.h" |
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#include "paths.h" |
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#include "rterror.h" |
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#include "color.h" |
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#include "resolu.h" |
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#define MAXFILE 64 |
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#ifdef getc_unlocked /* avoid horrendous overhead of flockfile */ |
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#undef getc |
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#define getc getc_unlocked |
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#endif |
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#define MAXFILE 1024 |
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|
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#define HASMIN 1 |
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#define HASMAX 2 |
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int checkthresh = 0; /* check threshold value */ |
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char StandardInput[] = "<stdin>"; |
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char Command[] = "<Command>"; |
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char Label[] = "<Label>"; |
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|
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int xres, yres; /* picture size */ |
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int xloc, yloc; /* anchor point */ |
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int flags; /* HASMIN, HASMAX */ |
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COLR thmin, thmax; /* thresholds */ |
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double thmin, thmax; /* thresholds */ |
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} input[MAXFILE]; /* our input files */ |
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int nfile; /* number of files */ |
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int echoheader = 1; |
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char ourfmt[MAXFMTLEN] = PICFMT; |
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int wrongformat = 0; |
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double common_expos = 1.; |
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FILE *popen(), *lblopen(); |
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double this_expos; |
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extern char *malloc(); |
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static gethfunc headline; |
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static void compos(void); |
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static int cmpcolr(COLR c1, double lv2); |
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static FILE * lblopen(char *s, int *xp, int *yp); |
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tabputs(s) /* print line preceded by a tab */ |
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char *s; |
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|
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static int |
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headline( /* 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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char fmt[32]; |
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char fmt[MAXFMTLEN]; |
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|
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if (isheadid(s)) |
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return; |
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if (formatval(fmt, s)) |
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wrongformat = strcmp(fmt, COLRFMT); |
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else { |
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putc('\t', stdout); |
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return(0); |
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if (isexpos(s)) |
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this_expos *= exposval(s); |
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if (formatval(fmt, s)) { |
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if (globmatch(ourfmt, fmt)) { |
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wrongformat = 0; |
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strcpy(ourfmt, fmt); |
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} else |
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wrongformat = 1; |
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} else if (echoheader) { |
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fputc('\t', stdout); |
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fputs(s, stdout); |
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} |
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return(0); |
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} |
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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 ncolumns = 0; |
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int autolabel = 0; |
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int xsgn, ysgn; |
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char *thislabel; |
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int an; |
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#ifdef MSDOS |
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extern int _fmode; |
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_fmode = O_BINARY; |
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setmode(fileno(stdin), O_BINARY); |
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setmode(fileno(stdout), O_BINARY); |
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#endif |
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SET_DEFAULT_BINARY(); |
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SET_FILE_BINARY(stdin); |
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SET_FILE_BINARY(stdout); |
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progname = argv[0]; |
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for (an = 1; an < argc && argv[an][0] == '-'; an++) |
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switch (argv[an][1]) { |
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case 'h': |
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echoheader = !echoheader; |
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break; |
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case 'x': |
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xsiz = atoi(argv[++an]); |
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break; |
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} |
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dofiles: |
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newheader("RADIANCE", stdout); |
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fputnow(stdout); |
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for (nfile = 0; an < argc; nfile++) { |
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if (nfile >= MAXFILE) |
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goto toomany; |
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checkthresh = 1; |
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if (argv[an][0] == '-') { |
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input[nfile].flags |= HASMIN; |
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setcolr(input[nfile].thmin, |
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atof(argv[an+1]), |
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atof(argv[an+1]), |
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atof(argv[an+1])); |
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input[nfile].thmin = atof(argv[an+1]); |
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} else if (argv[an][0] == '+') { |
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input[nfile].flags |= HASMAX; |
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setcolr(input[nfile].thmax, |
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atof(argv[an+1]), |
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atof(argv[an+1]), |
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atof(argv[an+1])); |
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input[nfile].thmax = atof(argv[an+1]); |
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} else |
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goto userr; |
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an++; |
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if (autolabel && thislabel == NULL) |
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thislabel = argv[an]; |
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if (!strcmp(argv[an], "-")) { |
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input[nfile].name = "<stdin>"; |
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input[nfile].name = StandardInput; |
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input[nfile].fp = stdin; |
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} else { |
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if (argv[an][0] == '!') { |
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} |
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an++; |
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/* get header */ |
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printf("%s:\n", input[nfile].name); |
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getheader(input[nfile].fp, tabputs, NULL); |
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if (echoheader) |
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printf("%s:\n", input[nfile].name); |
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this_expos = 1; |
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getheader(input[nfile].fp, headline, NULL); |
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if (!nfile) |
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common_expos = this_expos; |
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else if (common_expos > 0 && |
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fabs(this_expos/common_expos - 1.) > 0.02) |
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common_expos = 0; |
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if (wrongformat) { |
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fprintf(stderr, "%s: not a Radiance picture\n", |
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fprintf(stderr, "%s: incompatible input format\n", |
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input[nfile].name); |
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quit(1); |
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} |
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input[nfile].name); |
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quit(1); |
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} |
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if (ncolumns > 0) { |
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if (curcol >= ncolumns) { |
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if (ncolumns) { |
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if (curcol >= abs(ncolumns)) { |
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cury = ymax + spacing; |
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curx = x0; |
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curcol = 0; |
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ysiz = ymax; |
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else if (ysiz > ymax) |
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ymax = ysiz; |
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if (ncolumns < 0) { /* reverse rows if requested */ |
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int i = nfile; |
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while (i--) |
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input[i].yloc = ymax - input[i].yres - input[i].yloc; |
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} |
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/* add new header info. */ |
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printargs(argc, argv, stdout); |
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fputformat(COLRFMT, stdout); |
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if (common_expos > 0) /* print exposure if shared */ |
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fputexpos(common_expos, stdout); |
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if (strcmp(ourfmt, PICFMT)) |
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fputformat(ourfmt, stdout); /* print format if known */ |
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putchar('\n'); |
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fprtresolu(xsiz, ysiz, stdout); |
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quit(0); |
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userr: |
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fprintf(stderr, |
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"Usage: %s [-x xr][-y yr][-b r g b][-a n][-s p][-o x0 y0][-la][-lh h] ", |
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"Usage: %s [-h][-x xr][-y yr][-b r g b][-a n][-s p][-o x0 y0][-la][-lh h] ", |
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progname); |
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fprintf(stderr, "[-t min1][+t max1][-l lab][=SS] pic1 x1 y1 ..\n"); |
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quit(1); |
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labelerr: |
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fprintf(stderr, "%s: error opening label\n", progname); |
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quit(1); |
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return 1; /* pro forma return */ |
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} |
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compos() /* composite pictures */ |
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static void |
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compos(void) /* composite pictures */ |
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{ |
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COLR *scanin, *scanout; |
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int y; |
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quit(1); |
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} |
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} |
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/* read remainders from streams */ |
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for (i = 0; i < nfile; i++) |
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if (input[i].name[0] == '<') |
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while (getc(input[i].fp) != EOF) |
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; |
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return; |
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memerr: |
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perror(progname); |
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} |
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int |
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cmpcolr(c1, c2) /* compare two colr's (improvisation) */ |
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register COLR c1, c2; |
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static int |
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cmpcolr( /* compare COLR to luminance */ |
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register COLR c1, |
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double lv2 |
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) |
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{ |
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register int i, j; |
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|
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j = 4; /* check exponents first! */ |
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while (j--) |
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if (i = c1[j] - c2[j]) |
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return(i); |
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double lv1 = .0; |
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|
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if (c1[EXP]) |
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lv1 = ldexp((double)normbright(c1), (int)c1[EXP]-(COLXS+8)); |
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if (lv1 < lv2) return(-1); |
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if (lv1 > lv2) return(1); |
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return(0); |
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} |
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FILE * |
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lblopen(s, xp, yp) /* open pipe to label generator */ |
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char *s; |
433 |
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int *xp, *yp; |
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static FILE * |
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lblopen( /* open pipe to label generator */ |
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char *s, |
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int *xp, |
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int *yp |
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) |
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{ |
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char com[128]; |
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char com[PATH_MAX]; |
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FILE *fp; |
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sprintf(com, "psign -s -.15 -a 2 -x %d -y %d '%.90s'", *xp, *yp, s); |
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} |
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void |
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quit(code) /* exit gracefully */ |
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int code; |
457 |
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{ |