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/* Copyright (c) 1991 Regents of the University of California */ |
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/* Copyright (c) 1992 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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#include <stdio.h> |
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#ifdef MSDOS |
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#include <fcntl.h> |
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#endif |
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#include <math.h> |
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#include <ctype.h> |
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#include "color.h" |
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#include "resolu.h" |
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extern double atof(), pow(); |
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extern char *malloc(); |
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int agryscan(), bgryscan(), aclrscan(), bclrscan(); |
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int bradj = 0; /* brightness adjustment */ |
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int argc; |
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char *argv[]; |
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{ |
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char inpbuf[2]; |
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double gamma = 2.2; |
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int binflag = 1; |
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int reverse = 0; |
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setcolrgam(gamma); |
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if (reverse) { |
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/* get header */ |
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if (getc(stdin) != 'P') |
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if (read(fileno(stdin), inpbuf, 2) != 2 || inpbuf[0] != 'P') |
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quiterr("input not a Poskanzer Pixmap"); |
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ptype = getc(stdin); |
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ptype = inpbuf[1]; |
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#ifdef MSDOS |
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if (ptype > 4) |
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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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xmax = scanint(stdin); |
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ymax = scanint(stdin); |
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maxval = scanint(stdin); |
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quiterr("unsupported Pixmap type"); |
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} |
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} else { |
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#ifdef MSDOS |
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setmode(fileno(stdin), O_BINARY); |
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if (binflag) |
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setmode(fileno(stdout), O_BINARY); |
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#endif |
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/* get header info. */ |
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if (checkheader(stdin, COLRFMT, NULL) < 0 || |
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fgetresolu(&xmax, &ymax, stdin) < 0) |
