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 /* Initialise fax decoder tables
28 * Decoder support is derived, with permission, from the code
29 * in Frank Cringle's viewfax program;
30 * Copyright (C) 1990, 1995 Frank D. Cringle.
31 */
32 #if defined(unix) || defined(__unix)
33 #include "port.h"
34 #else
35 #include <stdio.h>
36 #include <stdlib.h>
37 #include <string.h>
38 #endif
39
40 #include "tif_fax3.h"
41
42 #define streq(a,b) (strcmp(a,b) == 0)
43
44 /* NB: can't use names in tif_fax3.h 'cuz they are declared const */
45 TIFFFaxTabEnt MainTable[128];
46 TIFFFaxTabEnt WhiteTable[4096];
47 TIFFFaxTabEnt BlackTable[8192];
48
49 struct proto {
50 uint16 code; /* right justified, lsb-first, zero filled */
51 uint16 val; /* (pixel count)<<4 + code width */
52 };
53
54 static struct proto Pass[] = {
55 { 0x0008, 4 },
56 { 0, 0 }
57 };
58
59 static struct proto Horiz[] = {
60 { 0x0004, 3 },
61 { 0, 0 }
62 };
63
64 static struct proto V0[] = {
65 { 0x0001, 1 },
66 { 0, 0 }
67 };
68
69 static struct proto VR[] = {
70 { 0x0006, (1<<4)+3 },
71 { 0x0030, (2<<4)+6 },
72 { 0x0060, (3<<4)+7 },
73 { 0, 0 }
74 };
75
76 static struct proto VL[] = {
77 { 0x0002, (1<<4)+3 },
78 { 0x0010, (2<<4)+6 },
79 { 0x0020, (3<<4)+7 },
80 { 0, 0 }
81 };
82
83 static struct proto Ext[] = {
84 { 0x0040, 7 },
85 { 0, 0 }
86 };
87
88 static struct proto EOLV[] = {
89 { 0x0000, 7 },
90 { 0, 0 }
91 };
92
93 static struct proto MakeUpW[] = {
94 { 0x001b, 1029 },
95 { 0x0009, 2053 },
96 { 0x003a, 3078 },
97 { 0x0076, 4103 },
98 { 0x006c, 5128 },
99 { 0x00ec, 6152 },
100 { 0x0026, 7176 },
101 { 0x00a6, 8200 },
102 { 0x0016, 9224 },
103 { 0x00e6, 10248 },
104 { 0x0066, 11273 },
105 { 0x0166, 12297 },
106 { 0x0096, 13321 },
107 { 0x0196, 14345 },
108 { 0x0056, 15369 },
109 { 0x0156, 16393 },
110 { 0x00d6, 17417 },
111 { 0x01d6, 18441 },
112 { 0x0036, 19465 },
113 { 0x0136, 20489 },
114 { 0x00b6, 21513 },
115 { 0x01b6, 22537 },
116 { 0x0032, 23561 },
117 { 0x0132, 24585 },
118 { 0x00b2, 25609 },
119 { 0x0006, 26630 },
120 { 0x01b2, 27657 },
121 { 0, 0 }
122 };
123
124 static struct proto MakeUpB[] = {
125 { 0x03c0, 1034 },
126 { 0x0130, 2060 },
127 { 0x0930, 3084 },
128 { 0x0da0, 4108 },
129 { 0x0cc0, 5132 },
130 { 0x02c0, 6156 },
131 { 0x0ac0, 7180 },
132 { 0x06c0, 8205 },
133 { 0x16c0, 9229 },
134 { 0x0a40, 10253 },
135 { 0x1a40, 11277 },
136 { 0x0640, 12301 },
137 { 0x1640, 13325 },
138 { 0x09c0, 14349 },
139 { 0x19c0, 15373 },
140 { 0x05c0, 16397 },
141 { 0x15c0, 17421 },
142 { 0x0dc0, 18445 },
143 { 0x1dc0, 19469 },
144 { 0x0940, 20493 },
145 { 0x1940, 21517 },
146 { 0x0540, 22541 },
147 { 0x1540, 23565 },
148 { 0x0b40, 24589 },
149 { 0x1b40, 25613 },
150 { 0x04c0, 26637 },
151 { 0x14c0, 27661 },
152 { 0, 0 }
153 };
154
155 static struct proto MakeUp[] = {
156 { 0x0080, 28683 },
157 { 0x0180, 29707 },
158 { 0x0580, 30731 },
159 { 0x0480, 31756 },
160 { 0x0c80, 32780 },
161 { 0x0280, 33804 },
162 { 0x0a80, 34828 },
163 { 0x0680, 35852 },
164 { 0x0e80, 36876 },
165 { 0x0380, 37900 },
166 { 0x0b80, 38924 },
167 { 0x0780, 39948 },
168 { 0x0f80, 40972 },
169 { 0, 0 }
170 };
171
172 static struct proto TermW[] = {
173 { 0x00ac, 8 },
174 { 0x0038, 22 },
175 { 0x000e, 36 },
176 { 0x0001, 52 },
177 { 0x000d, 68 },
178 { 0x0003, 84 },
179 { 0x0007, 100 },
180 { 0x000f, 116 },
181 { 0x0019, 133 },
182 { 0x0005, 149 },
183 { 0x001c, 165 },
184 { 0x0002, 181 },
185 { 0x0004, 198 },
186 { 0x0030, 214 },
187 { 0x000b, 230 },
188 { 0x002b, 246 },
189 { 0x0015, 262 },
190 { 0x0035, 278 },
191 { 0x0072, 295 },
192 { 0x0018, 311 },
193 { 0x0008, 327 },
194 { 0x0074, 343 },
195 { 0x0060, 359 },
196 { 0x0010, 375 },
197 { 0x000a, 391 },
198 { 0x006a, 407 },
199 { 0x0064, 423 },
200 { 0x0012, 439 },
201 { 0x000c, 455 },
202 { 0x0040, 472 },
203 { 0x00c0, 488 },
204 { 0x0058, 504 },
205 { 0x00d8, 520 },
206 { 0x0048, 536 },
207 { 0x00c8, 552 },
208 { 0x0028, 568 },
209 { 0x00a8, 584 },
210 { 0x0068, 600 },
211 { 0x00e8, 616 },
212 { 0x0014, 632 },
213 { 0x0094, 648 },
214 { 0x0054, 664 },
215 { 0x00d4, 680 },
216 { 0x0034, 696 },
217 { 0x00b4, 712 },
218 { 0x0020, 728 },
219 { 0x00a0, 744 },
220 { 0x0050, 760 },
221 { 0x00d0, 776 },
222 { 0x004a, 792 },
223 { 0x00ca, 808 },
224 { 0x002a, 824 },
225 { 0x00aa, 840 },
226 { 0x0024, 856 },
227 { 0x00a4, 872 },
228 { 0x001a, 888 },
229 { 0x009a, 904 },
230 { 0x005a, 920 },
231 { 0x00da, 936 },
232 { 0x0052, 952 },
233 { 0x00d2, 968 },
234 { 0x004c, 984 },
235 { 0x00cc, 1000 },
236 { 0x002c, 1016 },
237 { 0, 0 }
238 };
239
240 static struct proto TermB[] = {
241 { 0x03b0, 10 },
242 { 0x0002, 19 },
243 { 0x0003, 34 },
244 { 0x0001, 50 },
245 { 0x0006, 67 },
246 { 0x000c, 84 },
247 { 0x0004, 100 },
248 { 0x0018, 117 },
249 { 0x0028, 134 },
250 { 0x0008, 150 },
251 { 0x0010, 167 },
252 { 0x0050, 183 },
253 { 0x0070, 199 },
254 { 0x0020, 216 },
255 { 0x00e0, 232 },
256 { 0x0030, 249 },
257 { 0x03a0, 266 },
258 { 0x0060, 282 },
259 { 0x0040, 298 },
260 { 0x0730, 315 },
261 { 0x00b0, 331 },
262 { 0x01b0, 347 },
263 { 0x0760, 363 },
264 { 0x00a0, 379 },
265 { 0x0740, 395 },
266 { 0x00c0, 411 },
267 { 0x0530, 428 },
268 { 0x0d30, 444 },
269 { 0x0330, 460 },
270 { 0x0b30, 476 },
271 { 0x0160, 492 },
272 { 0x0960, 508 },
273 { 0x0560, 524 },
274 { 0x0d60, 540 },
275 { 0x04b0, 556 },
276 { 0x0cb0, 572 },
277 { 0x02b0, 588 },
278 { 0x0ab0, 604 },
279 { 0x06b0, 620 },
280 { 0x0eb0, 636 },
281 { 0x0360, 652 },
282 { 0x0b60, 668 },
283 { 0x05b0, 684 },
284 { 0x0db0, 700 },
285 { 0x02a0, 716 },
286 { 0x0aa0, 732 },
287 { 0x06a0, 748 },
288 { 0x0ea0, 764 },
289 { 0x0260, 780 },
290 { 0x0a60, 796 },
291 { 0x04a0, 812 },
292 { 0x0ca0, 828 },
293 { 0x0240, 844 },
294 { 0x0ec0, 860 },
295 { 0x01c0, 876 },
296 { 0x0e40, 892 },
297 { 0x0140, 908 },
298 { 0x01a0, 924 },
299 { 0x09a0, 940 },
300 { 0x0d40, 956 },
301 { 0x0340, 972 },
302 { 0x05a0, 988 },
303 { 0x0660, 1004 },
304 { 0x0e60, 1020 },
305 { 0, 0 }
306 };
307
308 static struct proto EOLH[] = {
309 { 0x0000, 11 },
310 { 0, 0 }
311 };
312
313 static void
FillTable(TIFFFaxTabEnt * T,int Size,struct proto * P,int State)314 FillTable(TIFFFaxTabEnt *T, int Size, struct proto *P, int State)
315 {
316 int limit = 1 << Size;
317
318 while (P->val) {
319 int width = P->val & 15;
320 int param = P->val >> 4;
321 int incr = 1 << width;
322 int code;
323 for (code = P->code; code < limit; code += incr) {
324 TIFFFaxTabEnt *E = T+code;
325 E->State = State;
326 E->Width = width;
327 E->Param = param;
328 }
329 P++;
330 }
331 }
332
333 static char* storage_class = "";
334 static char* const_class = "";
335 static int packoutput = 1;
336 static char* prebrace = "";
337 static char* postbrace = "";
338
339 void
WriteTable(FILE * fd,const TIFFFaxTabEnt * T,int Size,const char * name)340 WriteTable(FILE* fd, const TIFFFaxTabEnt* T, int Size, const char* name)
341 {
342 int i;
343 char* sep;
344
345 fprintf(fd, "%s %s TIFFFaxTabEnt %s[%d] = {",
346 storage_class, const_class, name, Size);
347 if (packoutput) {
348 sep = "\n";
349 for (i = 0; i < Size; i++) {
350 fprintf(fd, "%s%s%d,%d,%d%s",
351 sep, prebrace, T->State, T->Width, (int) T->Param, postbrace);
352 if (((i+1) % 12) == 0)
353 sep = ",\n";
354 else
355 sep = ",";
356 T++;
357 }
358 } else {
359 sep = "\n ";
360 for (i = 0; i < Size; i++) {
361 fprintf(fd, "%s%s%3d,%3d,%4d%s",
362 sep, prebrace, T->State, T->Width, (int) T->Param, postbrace);
363 if (((i+1) % 6) == 0)
364 sep = ",\n ";
365 else
366 sep = ",";
367 T++;
368 }
369 }
370 fprintf(fd, "\n};\n");
371 }
372
373 /* initialise the huffman code tables */
374 int
main(int argc,char * argv[])375 main(int argc, char* argv[])
376 {
377 FILE* fd;
378 char* outputfile;
379 int c;
380 extern int optind;
381 extern char* optarg;
382
383 while ((c = getopt(argc, argv, "c:s:bp")) != -1)
384 switch (c) {
385 case 'c':
386 const_class = optarg;
387 break;
388 case 's':
389 storage_class = optarg;
390 break;
391 case 'p':
392 packoutput = 0;
393 break;
394 case 'b':
395 prebrace = "{";
396 postbrace = "}";
397 break;
398 case '?':
399 fprintf(stderr,
400 "usage: %s [-c const] [-s storage] [-p] [-b] file\n",
401 argv[0]);
402 return (-1);
403 }
404 outputfile = optind < argc ? argv[optind] : "g3states.h";
405 fd = fopen(outputfile, "w");
406 if (fd == NULL) {
407 fprintf(stderr, "%s: %s: Cannot create output file.\n",
408 argv[0], outputfile);
409 return (-2);
410 }
411 FillTable(MainTable, 7, Pass, S_Pass);
412 FillTable(MainTable, 7, Horiz, S_Horiz);
413 FillTable(MainTable, 7, V0, S_V0);
414 FillTable(MainTable, 7, VR, S_VR);
415 FillTable(MainTable, 7, VL, S_VL);
416 FillTable(MainTable, 7, Ext, S_Ext);
417 FillTable(MainTable, 7, EOLV, S_EOL);
418 FillTable(WhiteTable, 12, MakeUpW, S_MakeUpW);
419 FillTable(WhiteTable, 12, MakeUp, S_MakeUp);
420 FillTable(WhiteTable, 12, TermW, S_TermW);
421 FillTable(WhiteTable, 12, EOLH, S_EOL);
422 FillTable(BlackTable, 13, MakeUpB, S_MakeUpB);
423 FillTable(BlackTable, 13, MakeUp, S_MakeUp);
424 FillTable(BlackTable, 13, TermB, S_TermB);
425 FillTable(BlackTable, 13, EOLH, S_EOL);
426
427 fprintf(fd, "/* WARNING, this file was automatically generated by the\n");
428 fprintf(fd, " mkg3states program */\n");
429 fprintf(fd, "#include \"tiff.h\"\n");
430 fprintf(fd, "#include \"tif_fax3.h\"\n");
431 WriteTable(fd, MainTable, 128, "TIFFFaxMainTable");
432 WriteTable(fd, WhiteTable, 4096, "TIFFFaxWhiteTable");
433 WriteTable(fd, BlackTable, 8192, "TIFFFaxBlackTable");
434 fclose(fd);
435 return (0);
436 }
437