/* * Copyright (c) 1991-1997 Sam Leffler * Copyright (c) 1991-1997 Silicon Graphics, Inc. * * Permission to use, copy, modify, distribute, and sell this software and * its documentation for any purpose is hereby granted without fee, provided * that (i) the above copyright notices and this permission notice appear in * all copies of the software and related documentation, and (ii) the names of * Sam Leffler and Silicon Graphics may not be used in any advertising or * publicity relating to the software without the specific, prior written * permission of Sam Leffler and Silicon Graphics. * * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. * * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE * OF THIS SOFTWARE. */ /* Initialise fax decoder tables * Decoder support is derived, with permission, from the code * in Frank Cringle's viewfax program; * Copyright (C) 1990, 1995 Frank D. Cringle. */ #include "libport.h" #include "tif_config.h" #include #include #include #ifdef HAVE_UNISTD_H #include #endif #include "tif_fax3.h" #define streq(a, b) (strcmp(a, b) == 0) /* NB: can't use names in tif_fax3.h 'cuz they are declared const */ TIFFFaxTabEnt MainTable[128]; TIFFFaxTabEnt WhiteTable[4096]; TIFFFaxTabEnt BlackTable[8192]; struct proto { uint16_t code; /* right justified, lsb-first, zero filled */ uint16_t val; /* (pixel count)<<4 + code width */ }; static struct proto Pass[] = {{0x0008, 4}, {0, 0}}; static struct proto Horiz[] = {{0x0004, 3}, {0, 0}}; static struct proto V0[] = {{0x0001, 1}, {0, 0}}; static struct proto VR[] = {{0x0006, (1 << 4) + 3}, {0x0030, (2 << 4) + 6}, {0x0060, (3 << 4) + 7}, {0, 0}}; static struct proto VL[] = {{0x0002, (1 << 4) + 3}, {0x0010, (2 << 4) + 6}, {0x0020, (3 << 4) + 7}, {0, 0}}; static struct proto Ext[] = {{0x0040, 7}, {0, 0}}; static struct proto EOLV[] = {{0x0000, 7}, {0, 0}}; static struct proto MakeUpW[] = { {0x001b, 1029}, {0x0009, 2053}, {0x003a, 3078}, {0x0076, 4103}, {0x006c, 5128}, {0x00ec, 6152}, {0x0026, 7176}, {0x00a6, 8200}, {0x0016, 9224}, {0x00e6, 10248}, {0x0066, 11273}, {0x0166, 12297}, {0x0096, 13321}, {0x0196, 14345}, {0x0056, 15369}, {0x0156, 16393}, {0x00d6, 17417}, {0x01d6, 18441}, {0x0036, 19465}, {0x0136, 20489}, {0x00b6, 21513}, {0x01b6, 22537}, {0x0032, 23561}, {0x0132, 24585}, {0x00b2, 25609}, {0x0006, 26630}, {0x01b2, 27657}, {0, 0}}; static struct proto MakeUpB[] = { {0x03c0, 1034}, {0x0130, 2060}, {0x0930, 3084}, {0x0da0, 4108}, {0x0cc0, 5132}, {0x02c0, 6156}, {0x0ac0, 7180}, {0x06c0, 8205}, {0x16c0, 9229}, {0x0a40, 10253}, {0x1a40, 11277}, {0x0640, 12301}, {0x1640, 13325}, {0x09c0, 14349}, {0x19c0, 15373}, {0x05c0, 16397}, {0x15c0, 17421}, {0x0dc0, 18445}, {0x1dc0, 19469}, {0x0940, 20493}, {0x1940, 21517}, {0x0540, 22541}, {0x1540, 23565}, {0x0b40, 24589}, {0x1b40, 25613}, {0x04c0, 26637}, {0x14c0, 27661}, {0, 0}}; static struct proto MakeUp[] = { {0x0080, 28683}, {0x0180, 29707}, {0x0580, 30731}, {0x0480, 31756}, {0x0c80, 32780}, {0x0280, 33804}, {0x0a80, 34828}, {0x0680, 35852}, {0x0e80, 36876}, {0x0380, 37900}, {0x0b80, 38924}, {0x0780, 39948}, {0x0f80, 40972}, {0, 0}}; static struct proto TermW[] = { {0x00ac, 8}, {0x0038, 22}, {0x000e, 36}, {0x0001, 52}, {0x000d, 68}, {0x0003, 84}, {0x0007, 100}, {0x000f, 116}, {0x0019, 133}, {0x0005, 149}, {0x001c, 165}, {0x0002, 181}, {0x0004, 198}, {0x0030, 214}, {0x000b, 230}, {0x002b, 246}, {0x0015, 262}, {0x0035, 278}, {0x0072, 295}, {0x0018, 311}, {0x0008, 327}, {0x0074, 343}, {0x0060, 359}, {0x0010, 375}, {0x000a, 391}, {0x006a, 407}, {0x0064, 423}, {0x0012, 439}, {0x000c, 455}, {0x0040, 472}, {0x00c0, 488}, {0x0058, 504}, {0x00d8, 520}, {0x0048, 536}, {0x00c8, 552}, {0x0028, 568}, {0x00a8, 584}, {0x0068, 600}, {0x00e8, 616}, {0x0014, 632}, {0x0094, 648}, {0x0054, 664}, {0x00d4, 680}, {0x0034, 696}, {0x00b4, 712}, {0x0020, 728}, {0x00a0, 744}, {0x0050, 760}, {0x00d0, 776}, {0x004a, 792}, {0x00ca, 808}, {0x002a, 824}, {0x00aa, 840}, {0x0024, 856}, {0x00a4, 872}, {0x001a, 888}, {0x009a, 904}, {0x005a, 920}, {0x00da, 936}, {0x0052, 952}, {0x00d2, 968}, {0x004c, 984}, {0x00cc, 1000}, {0x002c, 1016}, {0, 0}}; static struct proto TermB[] = { {0x03b0, 10}, {0x0002, 19}, {0x0003, 34}, {0x0001, 50}, {0x0006, 67}, {0x000c, 84}, {0x0004, 100}, {0x0018, 117}, {0x0028, 134}, {0x0008, 150}, {0x0010, 167}, {0x0050, 183}, {0x0070, 199}, {0x0020, 216}, {0x00e0, 232}, {0x0030, 249}, {0x03a0, 266}, {0x0060, 282}, {0x0040, 298}, {0x0730, 315}, {0x00b0, 331}, {0x01b0, 347}, {0x0760, 363}, {0x00a0, 379}, {0x0740, 395}, {0x00c0, 411}, {0x0530, 428}, {0x0d30, 444}, {0x0330, 460}, {0x0b30, 476}, {0x0160, 492}, {0x0960, 508}, {0x0560, 524}, {0x0d60, 540}, {0x04b0, 556}, {0x0cb0, 572}, {0x02b0, 588}, {0x0ab0, 604}, {0x06b0, 620}, {0x0eb0, 636}, {0x0360, 652}, {0x0b60, 668}, {0x05b0, 684}, {0x0db0, 700}, {0x02a0, 716}, {0x0aa0, 732}, {0x06a0, 748}, {0x0ea0, 764}, {0x0260, 780}, {0x0a60, 796}, {0x04a0, 812}, {0x0ca0, 828}, {0x0240, 844}, {0x0ec0, 860}, {0x01c0, 876}, {0x0e40, 892}, {0x0140, 908}, {0x01a0, 924}, {0x09a0, 940}, {0x0d40, 956}, {0x0340, 972}, {0x05a0, 988}, {0x0660, 1004}, {0x0e60, 1020}, {0, 0}}; static struct proto EOLH[] = {{0x0000, 11}, {0, 0}}; static void FillTable(TIFFFaxTabEnt *T, int Size, struct proto *P, int State) { int limit = 1 << Size; while (P->val) { int width = P->val & 15; int param = P->val >> 4; int incr = 1 << width; int code; for (code = P->code; code < limit; code += incr) { TIFFFaxTabEnt *E = T + code; E->State = State; E->Width = width; E->Param = param; } P++; } } static char *storage_class = ""; static char *const_class = ""; static int packoutput = 1; static char *prebrace = ""; static char *postbrace = ""; void WriteTable(FILE *fd, const TIFFFaxTabEnt *T, int Size, const char *name) { int i; char *sep; fprintf(fd, "%s %s TIFFFaxTabEnt %s[%d] = {", storage_class, const_class, name, Size); if (packoutput) { sep = "\n"; for (i = 0; i < Size; i++) { fprintf(fd, "%s%s%d,%d,%d%s", sep, prebrace, T->State, T->Width, (int)T->Param, postbrace); if (((i + 1) % 10) == 0) sep = ",\n"; else sep = ","; T++; } } else { sep = "\n "; for (i = 0; i < Size; i++) { fprintf(fd, "%s%s%3d,%3d,%4d%s", sep, prebrace, T->State, T->Width, (int)T->Param, postbrace); if (((i + 1) % 6) == 0) sep = ",\n "; else sep = ","; T++; } } fprintf(fd, "\n};\n"); } /* initialise the huffman code tables */ int main(int argc, char *argv[]) { FILE *fd; char *outputfile; int c; #if !HAVE_DECL_OPTARG extern int optind; extern char *optarg; #endif while ((c = getopt(argc, argv, "c:s:bp")) != -1) switch (c) { case 'c': const_class = optarg; break; case 's': storage_class = optarg; break; case 'p': packoutput = 0; break; case 'b': prebrace = "{"; postbrace = "}"; break; case '?': fprintf(stderr, "usage: %s [-c const] [-s storage] [-p] [-b] file\n", argv[0]); return (-1); } outputfile = optind < argc ? argv[optind] : "g3states.h"; fd = fopen(outputfile, "w"); if (fd == NULL) { fprintf(stderr, "%s: %s: Cannot create output file.\n", argv[0], outputfile); return (-2); } FillTable(MainTable, 7, Pass, S_Pass); FillTable(MainTable, 7, Horiz, S_Horiz); FillTable(MainTable, 7, V0, S_V0); FillTable(MainTable, 7, VR, S_VR); FillTable(MainTable, 7, VL, S_VL); FillTable(MainTable, 7, Ext, S_Ext); FillTable(MainTable, 7, EOLV, S_EOL); FillTable(WhiteTable, 12, MakeUpW, S_MakeUpW); FillTable(WhiteTable, 12, MakeUp, S_MakeUp); FillTable(WhiteTable, 12, TermW, S_TermW); FillTable(WhiteTable, 12, EOLH, S_EOL); FillTable(BlackTable, 13, MakeUpB, S_MakeUpB); FillTable(BlackTable, 13, MakeUp, S_MakeUp); FillTable(BlackTable, 13, TermB, S_TermB); FillTable(BlackTable, 13, EOLH, S_EOL); fprintf(fd, "/* WARNING, this file was automatically generated by the\n"); fprintf(fd, " mkg3states program */\n"); fprintf(fd, "#include \n"); fprintf(fd, "#include \"tiff.h\"\n"); fprintf(fd, "#include \"tif_fax3.h\"\n"); WriteTable(fd, MainTable, 128, "TIFFFaxMainTable"); WriteTable(fd, WhiteTable, 4096, "TIFFFaxWhiteTable"); WriteTable(fd, BlackTable, 8192, "TIFFFaxBlackTable"); fprintf(fd, "/*\n" " * Local Variables:\n" " * mode: c\n" " * c-basic-offset: 8\n" " * fill-column: 78\n" " * End:\n" " */\n"); fclose(fd); return (0); }