projects / wxWidgets.git / blame
| Commit | Line | Data |
|---|---|---|
| 7da02538 VZ |
1 | /* $Header$ */ |
| 2 | ||
| 3 | /* | |
| 4 | * Copyright (c) 1991-1997 Sam Leffler | |
| 5 | * Copyright (c) 1991-1997 Silicon Graphics, Inc. | |
| 6 | * | |
| 7 | * Permission to use, copy, modify, distribute, and sell this software and | |
| 8 | * its documentation for any purpose is hereby granted without fee, provided | |
| 9 | * that (i) the above copyright notices and this permission notice appear in | |
| 10 | * all copies of the software and related documentation, and (ii) the names of | |
| 11 | * Sam Leffler and Silicon Graphics may not be used in any advertising or | |
| 12 | * publicity relating to the software without the specific, prior written | |
| 13 | * permission of Sam Leffler and Silicon Graphics. | |
| 14 | * | |
| 15 | * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, | |
| 16 | * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY | |
| 17 | * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. | |
| 18 | * | |
| 19 | * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR | |
| 20 | * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, | |
| 21 | * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, | |
| 22 | * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF | |
| 23 | * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE | |
| 24 | * OF THIS SOFTWARE. | |
| 25 | */ | |
| 26 | ||
| 27 | #include "tiffcomp.h" | |
| 28 | ||
| 29 | /* | |
| 30 | * Hack program to construct tables used to find | |
| 31 | * runs of zeros and ones in Group 3 Fax encoding. | |
| 32 | */ | |
| 33 | ||
| 34 | dumparray(name, runs) | |
| 35 | char *name; | |
| 36 | unsigned char runs[256]; | |
| 37 | { | |
| 38 | register int i; | |
| 39 | register char *sep; | |
| 40 | printf("static u_char %s[256] = {\n", name); | |
| 41 | sep = " "; | |
| 42 | for (i = 0; i < 256; i++) { | |
| 43 | printf("%s%d", sep, runs[i]); | |
| 44 | if (((i + 1) % 16) == 0) { | |
| 45 | printf(", /* 0x%02x - 0x%02x */\n", i-15, i); | |
| 46 | sep = " "; | |
| 47 | } else | |
| 48 | sep = ", "; | |
| 49 | } | |
| 50 | printf("\n};\n"); | |
| 51 | } | |
| 52 | ||
| 53 | main() | |
| 54 | { | |
| 55 | unsigned char runs[2][256]; | |
| 56 | ||
| 57 | memset(runs[0], 0, 256*sizeof (char)); | |
| 58 | memset(runs[1], 0, 256*sizeof (char)); | |
| 59 | { register int run, runlen, i; | |
| 60 | runlen = 1; | |
| 61 | for (run = 0x80; run != 0xff; run = (run>>1)|0x80) { | |
| 62 | for (i = run-1; i >= 0; i--) { | |
| 63 | runs[1][run|i] = runlen; | |
| 64 | runs[0][(~(run|i)) & 0xff] = runlen; | |
| 65 | } | |
| 66 | runlen++; | |
| 67 | } | |
| 68 | runs[1][0xff] = runs[0][0] = 8; | |
| 69 | } | |
| 70 | dumparray("bruns", runs[0]); | |
| 71 | dumparray("wruns", runs[1]); | |
| 72 | } |