mirror of
https://github.com/Cesarus85/ringfall-mjolnir-vr.git
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51 lines
1.0 KiB
C
51 lines
1.0 KiB
C
#ifndef lint
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static char rcsid[] = "$Header: /usr/people/sam/tiff/libtiff/RCS/mkspans.c,v 1.4 90/10/08 17:17:29 sam Exp $";
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#endif
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#include "tiffcompat.h"
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/*
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* Hack program to construct tables used to find
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* runs of zeros and ones in Group 3 Fax encoding.
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*/
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dumparray(name, runs)
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char *name;
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unsigned char runs[256];
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{
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register int i;
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register char *sep;
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printf("static u_char %s[256] = {\n", name);
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sep = " ";
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for (i = 0; i < 256; i++) {
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printf("%s%d", sep, runs[i]);
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if (((i + 1) % 16) == 0) {
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printf(", /* 0x%02x - 0x%02x */\n", i-15, i);
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sep = " ";
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} else
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sep = ", ";
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}
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printf("\n};\n");
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}
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main()
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{
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unsigned char runs[2][256];
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bzero(runs[0], 256*sizeof (char));
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bzero(runs[1], 256*sizeof (char));
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{ register int run, runlen, i;
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runlen = 1;
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for (run = 0x80; run != 0xff; run = (run>>1)|0x80) {
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for (i = run-1; i >= 0; i--) {
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runs[1][run|i] = runlen;
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runs[0][(~(run|i)) & 0xff] = runlen;
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}
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runlen++;
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}
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runs[1][0xff] = runs[0][0] = 8;
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}
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dumparray("bruns", runs[0]);
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dumparray("wruns", runs[1]);
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}
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