src/tiff/mkg3states.c

   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
 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
 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
 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 }