1 |
greg |
1.1 |
/* 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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#endif |
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/* |
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* pvalue.c - program to print pixel values. |
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* |
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* 4/23/86 |
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*/ |
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#include <stdio.h> |
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#include "color.h" |
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#define min(a,b) ((a)<(b)?(a):(b)) |
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int xres = 0; /* resolution of input */ |
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int yres = 0; |
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int uniq = 0; /* unique values? */ |
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int original = 0; /* original values? */ |
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int dataonly = 0; /* data only format? */ |
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int brightonly = 0; /* only brightness values? */ |
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int reverse = 0; /* reverse conversion? */ |
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int format = 'a'; /* input/output format */ |
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int header = 1; /* do header */ |
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greg |
1.5 |
COLOR exposure = WHTCOLOR; |
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greg |
1.1 |
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char *progname; |
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FILE *fin; |
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int (*getval)(), (*putval)(); |
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main(argc, argv) |
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int argc; |
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char **argv; |
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{ |
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extern double atof(); |
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extern int checkhead(); |
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int i; |
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progname = argv[0]; |
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for (i = 1; i < argc; i++) |
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if (argv[i][0] == '-') |
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switch (argv[i][1]) { |
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case 'h': /* no header */ |
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header = 0; |
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break; |
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case 'u': /* unique values */ |
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uniq = 1; |
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break; |
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case 'o': /* original values */ |
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original = 1; |
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break; |
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case 'r': /* reverse conversion */ |
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reverse = 1; |
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break; |
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case 'b': /* brightness values */ |
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brightonly = 1; |
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break; |
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case 'd': /* data only (no indices) */ |
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dataonly = 1; |
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switch (argv[i][2]) { |
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case '\0': |
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case 'a': /* ascii */ |
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format = 'a'; |
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break; |
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case 'i': /* integer */ |
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case 'b': /* byte */ |
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case 'f': /* float */ |
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case 'd': /* double */ |
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format = argv[i][2]; |
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break; |
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default: |
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goto unkopt; |
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} |
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break; |
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case 'x': /* x resolution */ |
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xres = atoi(argv[++i]); |
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break; |
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case 'y': /* y resolution */ |
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yres = atoi(argv[++i]); |
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break; |
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default: |
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unkopt: |
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fprintf(stderr, "%s: unknown option: %s\n", |
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progname, argv[i]); |
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quit(1); |
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break; |
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} |
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else |
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break; |
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if (i == argc) { |
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fin = stdin; |
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} else if (i == argc-1) { |
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if ((fin = fopen(argv[i], "r")) == NULL) { |
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fprintf(stderr, "%s: can't open file \"%s\"\n", |
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progname, argv[i]); |
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quit(1); |
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} |
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} else { |
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fprintf(stderr, "%s: bad # file arguments\n", progname); |
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quit(1); |
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} |
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set_io(); |
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if (reverse) { |
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if (header) /* get header */ |
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copyheader(fin, stdout); |
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/* add to header */ |
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printargs(i, argv, stdout); |
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printf("\n"); |
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if (yres <= 0 || xres <= 0) { |
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fprintf(stderr, "%s: missing x and y resolution\n", |
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progname); |
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quit(1); |
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} |
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greg |
1.2 |
fputresolu(YMAJOR|YDECR, xres, yres, stdout); |
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greg |
1.1 |
valtopix(); |
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} else { |
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/* get header */ |
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getheader(fin, checkhead); |
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if (xres <= 0 || yres <= 0) /* get picture size */ |
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greg |
1.2 |
if (fgetresolu(&xres, &yres, fin) != (YMAJOR|YDECR)) { |
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greg |
1.1 |
fprintf(stderr, |
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"%s: missing x and y resolution\n", |
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progname); |
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quit(1); |
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} |
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if (header) { |
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printargs(i, argv, stdout); |
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printf("\n"); |
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} |
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pixtoval(); |
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} |
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quit(0); |
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} |
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checkhead(line) /* deal with line from header */ |
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char *line; |
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{ |
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greg |
1.5 |
double d; |
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COLOR ctmp; |
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greg |
1.1 |
if (header) |
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fputs(line, stdout); |
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greg |
1.5 |
if (isexpos(line)) { |
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d = 1.0/exposval(line); |
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scalecolor(exposure, d); |
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} else if (iscolcor(line)) { |
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colcorval(ctmp, line); |
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colval(exposure,RED) /= colval(ctmp,RED); |
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colval(exposure,GRN) /= colval(ctmp,GRN); |
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colval(exposure,BLU) /= colval(ctmp,BLU); |
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} |
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greg |
1.1 |
} |
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pixtoval() /* convert picture to values */ |
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{ |
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COLOR *scanln; |
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COLOR lastc; |
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int y; |
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register int x; |
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scanln = (COLOR *)malloc(xres*sizeof(COLOR)); |
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if (scanln == NULL) { |
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fprintf(stderr, "%s: out of memory\n", progname); |
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quit(1); |
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} |
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setcolor(lastc, 0.0, 0.0, 0.0); |
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for (y = yres-1; y >= 0; y--) { |
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if (freadscan(scanln, xres, fin) < 0) { |
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fprintf(stderr, "%s: read error\n", progname); |
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quit(1); |
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} |
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for (x = 0; x < xres; x++) { |
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if (uniq) |
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if ( scanln[x][RED] == lastc[RED] && |
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scanln[x][GRN] == lastc[GRN] && |
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scanln[x][BLU] == lastc[BLU] ) |
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continue; |
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else |
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copycolor(lastc, scanln[x]); |
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if (original) |
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greg |
1.5 |
multcolor(scanln[x], exposure); |
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greg |
1.1 |
if (!dataonly) |
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printf("%7d %7d ", x, y); |
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if ((*putval)(scanln[x], stdout) < 0) { |
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fprintf(stderr, "%s: write error\n", progname); |
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quit(1); |
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} |
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} |
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} |
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free((char *)scanln); |
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} |
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valtopix() /* convert values to a pixel file */ |
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{ |
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COLOR *scanln; |
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int y; |
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register int x; |
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scanln = (COLOR *)malloc(xres*sizeof(COLOR)); |
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if (scanln == NULL) { |
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fprintf(stderr, "%s: out of memory\n", progname); |
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quit(1); |
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} |
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for (y = yres-1; y >= 0; y--) { |
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for (x = 0; x < xres; x++) { |
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if (!dataonly) |
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fscanf(fin, "%*d %*d"); |
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if ((*getval)(scanln[x], fin) < 0) { |
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fprintf(stderr, "%s: read error\n", progname); |
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quit(1); |
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} |
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} |
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if (fwritescan(scanln, xres, stdout) < 0 |
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|| fflush(stdout) < 0) { |
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fprintf(stderr, "%s: write error\n", progname); |
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quit(1); |
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} |
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} |
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free((char *)scanln); |
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} |
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quit(code) |
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int code; |
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{ |
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exit(code); |
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} |
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getcascii(col, fp) /* get an ascii color value from fp */ |
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COLOR col; |
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FILE *fp; |
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{ |
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double vd[3]; |
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if (fscanf(fp, "%lf %lf %lf", &vd[0], &vd[1], &vd[2]) != 3) |
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return(-1); |
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setcolor(col, vd[0], vd[1], vd[2]); |
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return(0); |
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} |
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getcdouble(col, fp) /* get a double color value from fp */ |
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COLOR col; |
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FILE *fp; |
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{ |
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double vd[3]; |
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greg |
1.4 |
if (fread((char *)vd, sizeof(double), 3, fp) != 3) |
273 |
greg |
1.1 |
return(-1); |
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setcolor(col, vd[0], vd[1], vd[2]); |
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return(0); |
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} |
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getcfloat(col, fp) /* get a float color value from fp */ |
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COLOR col; |
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FILE *fp; |
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{ |
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float vf[3]; |
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285 |
greg |
1.4 |
if (fread((char *)vf, sizeof(float), 3, fp) != 3) |
286 |
greg |
1.1 |
return(-1); |
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setcolor(col, vf[0], vf[1], vf[2]); |
288 |
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return(0); |
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} |
290 |
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getcint(col, fp) /* get an int color value from fp */ |
293 |
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COLOR col; |
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FILE *fp; |
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{ |
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int vi[3]; |
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298 |
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if (fscanf(fp, "%d %d %d", &vi[0], &vi[1], &vi[2]) != 3) |
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return(-1); |
300 |
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setcolor(col,(vi[0]+.5)/256.,(vi[1]+.5)/256.,(vi[2]+.5)/256.); |
301 |
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return(0); |
302 |
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} |
303 |
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305 |
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getcbyte(col, fp) /* get a byte color value from fp */ |
306 |
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COLOR col; |
307 |
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FILE *fp; |
308 |
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{ |
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BYTE vb[3]; |
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311 |
greg |
1.4 |
if (fread((char *)vb, sizeof(BYTE), 3, fp) != 3) |
312 |
greg |
1.1 |
return(-1); |
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setcolor(col,(vb[0]+.5)/256.,(vb[1]+.5)/256.,(vb[2]+.5)/256.); |
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return(0); |
315 |
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} |
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317 |
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318 |
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getbascii(col, fp) /* get an ascii brightness value from fp */ |
319 |
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COLOR col; |
320 |
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FILE *fp; |
321 |
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{ |
322 |
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double vd; |
323 |
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324 |
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if (fscanf(fp, "%lf", &vd) != 1) |
325 |
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return(-1); |
326 |
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setcolor(col, vd, vd, vd); |
327 |
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return(0); |
328 |
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} |
329 |
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330 |
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331 |
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getbdouble(col, fp) /* get a double brightness value from fp */ |
332 |
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COLOR col; |
333 |
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FILE *fp; |
334 |
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{ |
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double vd; |
336 |
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337 |
greg |
1.4 |
if (fread((char *)&vd, sizeof(double), 1, fp) != 1) |
338 |
greg |
1.1 |
return(-1); |
339 |
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setcolor(col, vd, vd, vd); |
340 |
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return(0); |
341 |
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} |
342 |
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343 |
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344 |
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getbfloat(col, fp) /* get a float brightness value from fp */ |
345 |
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COLOR col; |
346 |
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FILE *fp; |
347 |
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{ |
348 |
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float vf; |
349 |
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350 |
greg |
1.4 |
if (fread((char *)&vf, sizeof(float), 1, fp) != 1) |
351 |
greg |
1.1 |
return(-1); |
352 |
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setcolor(col, vf, vf, vf); |
353 |
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return(0); |
354 |
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} |
355 |
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356 |
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357 |
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getbint(col, fp) /* get an int brightness value from fp */ |
358 |
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COLOR col; |
359 |
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FILE *fp; |
360 |
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{ |
361 |
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int vi; |
362 |
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double d; |
363 |
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364 |
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if (fscanf(fp, "%d", &vi) != 1) |
365 |
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return(-1); |
366 |
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d = (vi+.5)/256.; |
367 |
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setcolor(col, d, d, d); |
368 |
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return(0); |
369 |
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} |
370 |
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371 |
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372 |
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getbbyte(col, fp) /* get a byte brightness value from fp */ |
373 |
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COLOR col; |
374 |
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FILE *fp; |
375 |
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{ |
376 |
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BYTE vb; |
377 |
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double d; |
378 |
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|
379 |
greg |
1.4 |
if (fread((char *)&vb, sizeof(BYTE), 1, fp) != 1) |
380 |
greg |
1.1 |
return(-1); |
381 |
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d = (vb+.5)/256.; |
382 |
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setcolor(col, d, d, d); |
383 |
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return(0); |
384 |
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} |
385 |
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386 |
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387 |
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putcascii(col, fp) /* put an ascii color to fp */ |
388 |
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COLOR col; |
389 |
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FILE *fp; |
390 |
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{ |
391 |
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fprintf(fp, "%15.3e %15.3e %15.3e\n", |
392 |
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colval(col,RED), |
393 |
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colval(col,GRN), |
394 |
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colval(col,BLU)); |
395 |
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396 |
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return(ferror(fp) ? -1 : 0); |
397 |
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} |
398 |
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399 |
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400 |
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putcfloat(col, fp) /* put a float color to fp */ |
401 |
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COLOR col; |
402 |
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FILE *fp; |
403 |
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{ |
404 |
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float vf[3]; |
405 |
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406 |
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vf[0] = colval(col,RED); |
407 |
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vf[1] = colval(col,GRN); |
408 |
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vf[2] = colval(col,BLU); |
409 |
greg |
1.4 |
fwrite((char *)vf, sizeof(float), 3, fp); |
410 |
greg |
1.1 |
|
411 |
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return(ferror(fp) ? -1 : 0); |
412 |
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} |
413 |
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414 |
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415 |
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putcdouble(col, fp) /* put a double color to fp */ |
416 |
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COLOR col; |
417 |
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FILE *fp; |
418 |
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{ |
419 |
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double vd[3]; |
420 |
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421 |
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vd[0] = colval(col,RED); |
422 |
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vd[1] = colval(col,GRN); |
423 |
|
|
vd[2] = colval(col,BLU); |
424 |
greg |
1.4 |
fwrite((char *)vd, sizeof(double), 3, fp); |
425 |
greg |
1.1 |
|
426 |
|
|
return(ferror(fp) ? -1 : 0); |
427 |
|
|
} |
428 |
|
|
|
429 |
|
|
|
430 |
|
|
putcint(col, fp) /* put an int color to fp */ |
431 |
|
|
COLOR col; |
432 |
|
|
FILE *fp; |
433 |
|
|
{ |
434 |
|
|
fprintf(fp, "%d %d %d\n", |
435 |
|
|
(int)(colval(col,RED)*256.), |
436 |
|
|
(int)(colval(col,GRN)*256.), |
437 |
|
|
(int)(colval(col,BLU)*256.)); |
438 |
|
|
|
439 |
|
|
return(ferror(fp) ? -1 : 0); |
440 |
|
|
} |
441 |
|
|
|
442 |
|
|
|
443 |
|
|
putcbyte(col, fp) /* put a byte color to fp */ |
444 |
|
|
COLOR col; |
445 |
|
|
FILE *fp; |
446 |
|
|
{ |
447 |
|
|
register int i; |
448 |
|
|
BYTE vb[3]; |
449 |
|
|
|
450 |
|
|
i = colval(col,RED)*256.; |
451 |
|
|
vb[0] = min(i,255); |
452 |
|
|
i = colval(col,GRN)*256.; |
453 |
|
|
vb[1] = min(i,255); |
454 |
|
|
i = colval(col,BLU)*256.; |
455 |
|
|
vb[2] = min(i,255); |
456 |
greg |
1.4 |
fwrite((char *)vb, sizeof(BYTE), 3, fp); |
457 |
greg |
1.1 |
|
458 |
|
|
return(ferror(fp) ? -1 : 0); |
459 |
|
|
} |
460 |
|
|
|
461 |
|
|
|
462 |
|
|
putbascii(col, fp) /* put an ascii brightness to fp */ |
463 |
|
|
COLOR col; |
464 |
|
|
FILE *fp; |
465 |
|
|
{ |
466 |
|
|
fprintf(fp, "%15.3e\n", bright(col)); |
467 |
|
|
|
468 |
|
|
return(ferror(fp) ? -1 : 0); |
469 |
|
|
} |
470 |
|
|
|
471 |
|
|
|
472 |
|
|
putbfloat(col, fp) /* put a float brightness to fp */ |
473 |
|
|
COLOR col; |
474 |
|
|
FILE *fp; |
475 |
|
|
{ |
476 |
|
|
float vf; |
477 |
|
|
|
478 |
|
|
vf = bright(col); |
479 |
greg |
1.4 |
fwrite((char *)&vf, sizeof(float), 1, fp); |
480 |
greg |
1.1 |
|
481 |
|
|
return(ferror(fp) ? -1 : 0); |
482 |
|
|
} |
483 |
|
|
|
484 |
|
|
|
485 |
|
|
putbdouble(col, fp) /* put a double brightness to fp */ |
486 |
|
|
COLOR col; |
487 |
|
|
FILE *fp; |
488 |
|
|
{ |
489 |
|
|
double vd; |
490 |
|
|
|
491 |
|
|
vd = bright(col); |
492 |
greg |
1.4 |
fwrite((char *)&vd, sizeof(double), 1, fp); |
493 |
greg |
1.1 |
|
494 |
|
|
return(ferror(fp) ? -1 : 0); |
495 |
|
|
} |
496 |
|
|
|
497 |
|
|
|
498 |
|
|
putbint(col, fp) /* put an int brightness to fp */ |
499 |
|
|
COLOR col; |
500 |
|
|
FILE *fp; |
501 |
|
|
{ |
502 |
|
|
fprintf(fp, "%d\n", (int)(bright(col)*256.)); |
503 |
|
|
|
504 |
|
|
return(ferror(fp) ? -1 : 0); |
505 |
|
|
} |
506 |
|
|
|
507 |
|
|
|
508 |
|
|
putbbyte(col, fp) /* put a byte brightness to fp */ |
509 |
|
|
COLOR col; |
510 |
|
|
FILE *fp; |
511 |
|
|
{ |
512 |
|
|
register int i; |
513 |
|
|
BYTE vb; |
514 |
|
|
|
515 |
|
|
i = bright(col)*256.; |
516 |
|
|
vb = min(i,255); |
517 |
greg |
1.4 |
fwrite((char *)&vb, sizeof(BYTE), 1, fp); |
518 |
greg |
1.1 |
|
519 |
|
|
return(ferror(fp) ? -1 : 0); |
520 |
|
|
} |
521 |
|
|
|
522 |
|
|
|
523 |
|
|
set_io() /* set put and get functions */ |
524 |
|
|
{ |
525 |
|
|
switch (format) { |
526 |
|
|
case 'a': /* ascii */ |
527 |
|
|
if (brightonly) { |
528 |
|
|
getval = getbascii; |
529 |
|
|
putval = putbascii; |
530 |
|
|
} else { |
531 |
|
|
getval = getcascii; |
532 |
|
|
putval = putcascii; |
533 |
|
|
} |
534 |
|
|
return; |
535 |
|
|
case 'f': /* binary float */ |
536 |
|
|
if (brightonly) { |
537 |
|
|
getval = getbfloat; |
538 |
|
|
putval = putbfloat; |
539 |
|
|
} else { |
540 |
|
|
getval = getcfloat; |
541 |
|
|
putval = putcfloat; |
542 |
|
|
} |
543 |
|
|
return; |
544 |
|
|
case 'd': /* binary double */ |
545 |
|
|
if (brightonly) { |
546 |
|
|
getval = getbdouble; |
547 |
|
|
putval = putbdouble; |
548 |
|
|
} else { |
549 |
|
|
getval = getcdouble; |
550 |
|
|
putval = putcdouble; |
551 |
|
|
} |
552 |
|
|
return; |
553 |
|
|
case 'i': /* integer */ |
554 |
|
|
if (brightonly) { |
555 |
|
|
getval = getbint; |
556 |
|
|
putval = putbint; |
557 |
|
|
} else { |
558 |
|
|
getval = getcint; |
559 |
|
|
putval = putcint; |
560 |
|
|
} |
561 |
|
|
return; |
562 |
|
|
case 'b': /* byte */ |
563 |
|
|
if (brightonly) { |
564 |
|
|
getval = getbbyte; |
565 |
|
|
putval = putbbyte; |
566 |
|
|
} else { |
567 |
|
|
getval = getcbyte; |
568 |
|
|
putval = putcbyte; |
569 |
|
|
} |
570 |
|
|
return; |
571 |
|
|
} |
572 |
|
|
} |