pdf_prim.c

Fri, 21 Feb 2003 09:25:47 +0000

author
eric
date
Fri, 21 Feb 2003 09:25:47 +0000
changeset 66
6e0551b59dba
parent 62
9bd354b83e16
child 67
7add7411c1c2
permissions
-rw-r--r--

implemented ImageMask fill color arguments to pdf_write_g4_fax_image().

eric@62 1 /*
eric@62 2 * t2p: Create a PDF file from the contents of one or more TIFF
eric@62 3 * bilevel image files. The images in the resulting PDF file
eric@62 4 * will be compressed using ITU-T T.6 (G4) fax encoding.
eric@62 5 *
eric@62 6 * PDF routines
eric@66 7 * $Id: pdf_prim.c,v 1.4 2003/02/21 01:25:47 eric Exp $
eric@62 8 * Copyright 2001, 2002, 2003 Eric Smith <eric@brouhaha.com>
eric@62 9 *
eric@62 10 * This program is free software; you can redistribute it and/or modify
eric@62 11 * it under the terms of the GNU General Public License version 2 as
eric@62 12 * published by the Free Software Foundation. Note that permission is
eric@62 13 * not granted to redistribute this program under the terms of any
eric@62 14 * other version of the General Public License.
eric@62 15 *
eric@62 16 * This program is distributed in the hope that it will be useful,
eric@62 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
eric@62 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
eric@62 19 * GNU General Public License for more details.
eric@62 20 *
eric@62 21 * You should have received a copy of the GNU General Public License
eric@62 22 * along with this program; if not, write to the Free Software
eric@62 23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA
eric@62 24 */
eric@62 25
eric@62 26
eric@66 27 #include <stdarg.h>
eric@62 28 #include <stdbool.h>
eric@62 29 #include <stdint.h>
eric@59 30 #include <stdio.h>
eric@59 31 #include <stdlib.h>
eric@59 32 #include <string.h>
eric@59 33
eric@62 34 #include "bitblt.h"
eric@60 35 #include "pdf.h"
eric@60 36 #include "pdf_util.h"
eric@60 37 #include "pdf_prim.h"
eric@60 38 #include "pdf_private.h"
eric@59 39
eric@59 40
eric@59 41 struct pdf_array_elem
eric@59 42 {
eric@59 43 struct pdf_array_elem *next;
eric@59 44 struct pdf_obj *val;
eric@59 45 };
eric@59 46
eric@59 47
eric@59 48 struct pdf_array
eric@59 49 {
eric@59 50 struct pdf_array_elem *first;
eric@59 51 struct pdf_array_elem *last;
eric@59 52 };
eric@59 53
eric@59 54
eric@59 55 struct pdf_dict_entry
eric@59 56 {
eric@59 57 struct pdf_dict_entry *next;
eric@59 58 char *key;
eric@59 59 struct pdf_obj *val;
eric@59 60 };
eric@59 61
eric@59 62
eric@59 63 struct pdf_dict
eric@59 64 {
eric@59 65 struct pdf_dict_entry *first;
eric@59 66 };
eric@59 67
eric@59 68
eric@59 69 struct pdf_stream
eric@59 70 {
eric@59 71 struct pdf_obj *stream_dict;
eric@59 72 struct pdf_obj *length;
eric@59 73 pdf_stream_write_callback callback;
eric@59 74 void *app_data; /* arg to pass to callback */
eric@59 75 struct pdf_obj *filters; /* name or array of names */
eric@59 76 struct pdf_obj *decode_parms;
eric@59 77 };
eric@59 78
eric@59 79
eric@59 80 struct pdf_obj
eric@59 81 {
eric@59 82 /* these fields only apply to indirectly referenced objects */
eric@59 83 struct pdf_obj *prev;
eric@59 84 struct pdf_obj *next;
eric@59 85 unsigned long obj_num;
eric@59 86 unsigned long obj_gen;
eric@59 87 long int file_offset;
eric@59 88
eric@59 89 /* these fields apply to all objects */
eric@59 90 unsigned long ref_count;
eric@59 91 pdf_obj_type type;
eric@59 92 union {
eric@62 93 bool boolean;
eric@59 94 char *name;
eric@59 95 char *string;
eric@59 96 unsigned long integer;
eric@59 97 double real;
eric@59 98 struct pdf_obj *ind_ref;
eric@59 99 struct pdf_dict dict;
eric@59 100 struct pdf_array array;
eric@59 101 struct pdf_stream stream;
eric@59 102 } val;
eric@59 103 };
eric@59 104
eric@59 105
eric@59 106 struct pdf_obj *ref (struct pdf_obj *obj)
eric@59 107 {
eric@59 108 obj->ref_count++;
eric@59 109 return (obj);
eric@59 110 }
eric@59 111
eric@59 112
eric@59 113 void unref (struct pdf_obj *obj)
eric@59 114 {
eric@59 115 if ((--obj->ref_count) == 0)
eric@59 116 {
eric@59 117 /* $$$ free the object */
eric@59 118 }
eric@59 119 }
eric@59 120
eric@59 121
eric@59 122 struct pdf_obj *pdf_deref_ind_obj (struct pdf_obj *ind_obj)
eric@59 123 {
eric@59 124 pdf_assert (ind_obj->type == PT_IND_REF);
eric@59 125 return (ind_obj->val.ind_ref);
eric@59 126 }
eric@59 127
eric@59 128
eric@59 129 void pdf_set_dict_entry (struct pdf_obj *dict_obj, char *key, struct pdf_obj *val)
eric@59 130 {
eric@59 131 struct pdf_dict_entry *entry;
eric@59 132
eric@59 133 if (dict_obj->type == PT_IND_REF)
eric@59 134 dict_obj = pdf_deref_ind_obj (dict_obj);
eric@59 135
eric@59 136 pdf_assert (dict_obj->type == PT_DICTIONARY);
eric@59 137
eric@59 138 /* replacing existing entry? */
eric@59 139 for (entry = dict_obj->val.dict.first; entry; entry = entry->next)
eric@59 140 if (strcmp (entry->key, key) == 0)
eric@59 141 {
eric@59 142 unref (entry->val);
eric@59 143 entry->val = ref (val);
eric@59 144 return;
eric@59 145 }
eric@59 146
eric@59 147 /* new entry */
eric@59 148 entry = pdf_calloc (sizeof (struct pdf_dict_entry));
eric@59 149
eric@59 150 entry->next = dict_obj->val.dict.first;
eric@59 151 dict_obj->val.dict.first = entry;
eric@59 152
eric@59 153 entry->key = pdf_strdup (key);
eric@59 154 entry->val = ref (val);
eric@59 155 }
eric@59 156
eric@59 157
eric@59 158 struct pdf_obj *pdf_get_dict_entry (struct pdf_obj *dict_obj, char *key)
eric@59 159 {
eric@59 160 struct pdf_dict_entry *entry;
eric@59 161
eric@59 162 if (dict_obj->type == PT_IND_REF)
eric@59 163 dict_obj = pdf_deref_ind_obj (dict_obj);
eric@59 164
eric@59 165 pdf_assert (dict_obj->type == PT_DICTIONARY);
eric@59 166
eric@59 167 for (entry = dict_obj->val.dict.first; entry; entry = entry->next)
eric@59 168 if (strcmp (entry->key, key) == 0)
eric@59 169 return (entry->val);
eric@59 170
eric@59 171 return (NULL);
eric@59 172 }
eric@59 173
eric@59 174
eric@59 175 void pdf_add_array_elem (struct pdf_obj *array_obj, struct pdf_obj *val)
eric@59 176 {
eric@59 177 struct pdf_array_elem *elem = pdf_calloc (sizeof (struct pdf_array_elem));
eric@59 178
eric@59 179 if (array_obj->type == PT_IND_REF)
eric@59 180 array_obj = pdf_deref_ind_obj (array_obj);
eric@59 181
eric@59 182 pdf_assert (array_obj->type == PT_ARRAY);
eric@59 183
eric@59 184 elem->val = ref (val);
eric@59 185
eric@59 186 if (! array_obj->val.array.first)
eric@59 187 array_obj->val.array.first = elem;
eric@59 188 else
eric@59 189 array_obj->val.array.last->next = elem;
eric@59 190
eric@59 191 array_obj->val.array.last = elem;
eric@59 192 }
eric@59 193
eric@59 194
eric@59 195 struct pdf_obj *pdf_new_obj (pdf_obj_type type)
eric@59 196 {
eric@59 197 struct pdf_obj *obj = pdf_calloc (sizeof (struct pdf_obj));
eric@59 198 obj->type = type;
eric@59 199 return (obj);
eric@59 200 }
eric@59 201
eric@59 202
eric@62 203 struct pdf_obj *pdf_new_bool (bool val)
eric@59 204 {
eric@59 205 struct pdf_obj *obj = pdf_new_obj (PT_BOOL);
eric@62 206 obj->val.boolean = val;
eric@59 207 return (obj);
eric@59 208 }
eric@59 209
eric@59 210
eric@59 211 struct pdf_obj *pdf_new_name (char *name)
eric@59 212 {
eric@59 213 struct pdf_obj *obj = pdf_new_obj (PT_NAME);
eric@59 214 obj->val.name = pdf_strdup (name);
eric@59 215 return (obj);
eric@59 216 }
eric@59 217
eric@59 218
eric@59 219 struct pdf_obj *pdf_new_string (char *str)
eric@59 220 {
eric@59 221 struct pdf_obj *obj = pdf_new_obj (PT_STRING);
eric@59 222 obj->val.string = pdf_strdup (str);
eric@59 223 return (obj);
eric@59 224 }
eric@59 225
eric@59 226
eric@59 227 struct pdf_obj *pdf_new_integer (unsigned long val)
eric@59 228 {
eric@59 229 struct pdf_obj *obj = pdf_new_obj (PT_INTEGER);
eric@59 230 obj->val.integer = val;
eric@59 231 return (obj);
eric@59 232 }
eric@59 233
eric@59 234
eric@59 235 struct pdf_obj *pdf_new_real (double val)
eric@59 236 {
eric@59 237 struct pdf_obj *obj = pdf_new_obj (PT_REAL);
eric@59 238 obj->val.real = val;
eric@59 239 return (obj);
eric@59 240 }
eric@59 241
eric@59 242
eric@59 243 struct pdf_obj *pdf_new_stream (pdf_file_handle pdf_file,
eric@59 244 struct pdf_obj *stream_dict,
eric@59 245 pdf_stream_write_callback callback,
eric@59 246 void *app_data)
eric@59 247 {
eric@59 248 struct pdf_obj *obj = pdf_new_obj (PT_STREAM);
eric@59 249
eric@59 250 obj->val.stream.stream_dict = stream_dict;
eric@59 251 obj->val.stream.length = pdf_new_ind_ref (pdf_file, pdf_new_integer (0));
eric@59 252 pdf_set_dict_entry (obj->val.stream.stream_dict, "Length", obj->val.stream.length);
eric@59 253
eric@59 254 obj->val.stream.callback = callback;
eric@59 255 obj->val.stream.app_data = app_data;
eric@59 256 return (obj);
eric@59 257 }
eric@59 258
eric@59 259
eric@59 260 /* $$$ currently limited to one filter per stream */
eric@59 261 void pdf_stream_add_filter (struct pdf_obj *stream,
eric@59 262 char *filter_name,
eric@59 263 struct pdf_obj *decode_parms)
eric@59 264 {
eric@59 265 if (stream->type == PT_IND_REF)
eric@59 266 stream = pdf_deref_ind_obj (stream);
eric@59 267
eric@59 268 pdf_assert (stream->type == PT_STREAM);
eric@59 269
eric@59 270 pdf_set_dict_entry (stream->val.stream.stream_dict, "Filter", pdf_new_name (filter_name));
eric@59 271 if (decode_parms)
eric@59 272 pdf_set_dict_entry (stream->val.stream.stream_dict, "DecodeParms", decode_parms);
eric@59 273 }
eric@59 274
eric@59 275
eric@59 276 struct pdf_obj *pdf_new_ind_ref (pdf_file_handle pdf_file, struct pdf_obj *obj)
eric@59 277 {
eric@59 278 struct pdf_obj *ind_obj;
eric@59 279
eric@59 280 pdf_assert (obj->type != PT_IND_REF);
eric@59 281
eric@59 282 ind_obj = pdf_new_obj (PT_IND_REF);
eric@59 283
eric@59 284 ind_obj->type = PT_IND_REF;
eric@59 285 ind_obj->val.ind_ref = obj;
eric@59 286
eric@59 287 /* is there already an indirect reference to this object? */
eric@59 288 if (! obj->obj_num)
eric@59 289 {
eric@59 290 /* no, assign object number/generation and add to linked list */
eric@59 291 if (! pdf_file->first_ind_obj)
eric@59 292 {
eric@59 293 obj->obj_num = 1;
eric@59 294 pdf_file->first_ind_obj = pdf_file->last_ind_obj = obj;
eric@59 295 }
eric@59 296 else
eric@59 297 {
eric@59 298 obj->obj_num = pdf_file->last_ind_obj->obj_num + 1;
eric@59 299 pdf_file->last_ind_obj->next = obj;
eric@59 300 obj->prev = pdf_file->last_ind_obj;
eric@59 301 pdf_file->last_ind_obj = obj;
eric@59 302 }
eric@59 303 }
eric@59 304
eric@59 305 return (ind_obj);
eric@59 306 }
eric@59 307
eric@59 308
eric@59 309 unsigned long pdf_get_integer (struct pdf_obj *obj)
eric@59 310 {
eric@59 311 if (obj->type == PT_IND_REF)
eric@59 312 obj = pdf_deref_ind_obj (obj);
eric@59 313
eric@59 314 pdf_assert (obj->type == PT_INTEGER);
eric@59 315
eric@59 316 return (obj->val.integer);
eric@59 317 }
eric@59 318
eric@59 319 void pdf_set_integer (struct pdf_obj *obj, unsigned long val)
eric@59 320 {
eric@59 321 if (obj->type == PT_IND_REF)
eric@59 322 obj = pdf_deref_ind_obj (obj);
eric@59 323
eric@59 324 pdf_assert (obj->type == PT_INTEGER);
eric@59 325
eric@59 326 obj->val.integer = val;
eric@59 327 }
eric@59 328
eric@59 329
eric@59 330 double pdf_get_real (struct pdf_obj *obj)
eric@59 331 {
eric@59 332 if (obj->type == PT_IND_REF)
eric@59 333 obj = pdf_deref_ind_obj (obj);
eric@59 334
eric@59 335 pdf_assert (obj->type == PT_REAL);
eric@59 336
eric@59 337 return (obj->val.real);
eric@59 338 }
eric@59 339
eric@59 340 void pdf_set_real (struct pdf_obj *obj, double val)
eric@59 341 {
eric@59 342 if (obj->type == PT_IND_REF)
eric@59 343 obj = pdf_deref_ind_obj (obj);
eric@59 344
eric@59 345 pdf_assert (obj->type == PT_REAL);
eric@59 346
eric@59 347 obj->val.real = val;
eric@59 348 }
eric@59 349
eric@59 350
eric@59 351 static int name_char_needs_quoting (char c)
eric@59 352 {
eric@59 353 return ((c < '!') || (c > '~') || (c == '/') || (c == '\\') ||
eric@59 354 (c == '(') || (c == ')') || (c == '<') || (c == '>') ||
eric@59 355 (c == '[') || (c == ']') || (c == '{') || (c == '}') ||
eric@59 356 (c == '%'));
eric@59 357 }
eric@59 358
eric@59 359
eric@59 360 void pdf_write_name (pdf_file_handle pdf_file, char *s)
eric@59 361 {
eric@59 362 fprintf (pdf_file->f, "/");
eric@59 363 while (*s)
eric@59 364 if (name_char_needs_quoting (*s))
eric@59 365 fprintf (pdf_file->f, "#%02x", 0xff & *(s++));
eric@59 366 else
eric@59 367 fprintf (pdf_file->f, "%c", *(s++));
eric@59 368 fprintf (pdf_file->f, " ");
eric@59 369 }
eric@59 370
eric@59 371
eric@59 372 static int string_char_needs_quoting (char c)
eric@59 373 {
eric@59 374 return ((c < ' ') || (c > '~') || (c == '\\') ||
eric@59 375 (c == '(') || (c == ')'));
eric@59 376 }
eric@59 377
eric@59 378
eric@59 379 void pdf_write_string (pdf_file_handle pdf_file, char *s)
eric@59 380 {
eric@59 381 fprintf (pdf_file->f, "(");
eric@59 382 while (*s)
eric@59 383 if (string_char_needs_quoting (*s))
eric@59 384 fprintf (pdf_file->f, "\\%03o", 0xff & *(s++));
eric@59 385 else
eric@59 386 fprintf (pdf_file->f, "%c", *(s++));
eric@59 387 fprintf (pdf_file->f, ") ");
eric@59 388 }
eric@59 389
eric@59 390
eric@59 391 void pdf_write_real (pdf_file_handle pdf_file, double num)
eric@59 392 {
eric@59 393 /* $$$ not actually good enough, precision needs to be variable,
eric@59 394 and no exponent is allowed */
eric@59 395 fprintf (pdf_file->f, "%0f ", num);
eric@59 396 }
eric@59 397
eric@59 398
eric@59 399 void pdf_write_ind_ref (pdf_file_handle pdf_file, struct pdf_obj *ind_obj)
eric@59 400 {
eric@59 401 struct pdf_obj *obj = pdf_deref_ind_obj (ind_obj);
eric@59 402 fprintf (pdf_file->f, "%ld %ld R ", obj->obj_num, obj->obj_gen);
eric@59 403 }
eric@59 404
eric@59 405
eric@59 406 void pdf_write_array (pdf_file_handle pdf_file, struct pdf_obj *array_obj)
eric@59 407 {
eric@59 408 struct pdf_array_elem *elem;
eric@59 409
eric@59 410 pdf_assert (array_obj->type == PT_ARRAY);
eric@59 411
eric@59 412 fprintf (pdf_file->f, "[ ");
eric@59 413 for (elem = array_obj->val.array.first; elem; elem = elem->next)
eric@59 414 {
eric@59 415 pdf_write_obj (pdf_file, elem->val);
eric@59 416 fprintf (pdf_file->f, " ");
eric@59 417 }
eric@59 418 fprintf (pdf_file->f, "] ");
eric@59 419 }
eric@59 420
eric@59 421
eric@59 422 void pdf_write_dict (pdf_file_handle pdf_file, struct pdf_obj *dict_obj)
eric@59 423 {
eric@59 424 struct pdf_dict_entry *entry;
eric@59 425
eric@59 426 pdf_assert (dict_obj->type == PT_DICTIONARY);
eric@59 427
eric@59 428 fprintf (pdf_file->f, "<<\r\n");
eric@59 429 for (entry = dict_obj->val.dict.first; entry; entry = entry->next)
eric@59 430 {
eric@59 431 pdf_write_name (pdf_file, entry->key);
eric@59 432 fprintf (pdf_file->f, " ");
eric@59 433 pdf_write_obj (pdf_file, entry->val);
eric@59 434 fprintf (pdf_file->f, "\r\n");
eric@59 435 }
eric@59 436 fprintf (pdf_file->f, ">>\r\n");
eric@59 437 }
eric@59 438
eric@59 439
eric@59 440 void pdf_stream_write_data (pdf_file_handle pdf_file,
eric@59 441 struct pdf_obj *stream,
eric@59 442 char *data,
eric@59 443 unsigned long len)
eric@59 444 {
eric@59 445 while (len)
eric@59 446 {
eric@59 447 unsigned long l2 = fwrite (data, 1, len, pdf_file->f);
eric@59 448 data += l2;
eric@59 449 len -= l2;
eric@59 450 if (ferror (pdf_file->f))
eric@59 451 pdf_fatal ("error writing stream data\n");
eric@59 452 }
eric@59 453 }
eric@59 454
eric@59 455
eric@66 456 void pdf_stream_printf (pdf_file_handle pdf_file,
eric@66 457 struct pdf_obj *stream,
eric@66 458 char *fmt, ...)
eric@66 459 {
eric@66 460 va_list ap;
eric@66 461
eric@66 462 va_start (ap, fmt);
eric@66 463 vfprintf (pdf_file->f, fmt, ap);
eric@66 464 va_end (ap);
eric@66 465 }
eric@66 466
eric@66 467
eric@59 468 void pdf_write_stream (pdf_file_handle pdf_file, struct pdf_obj *stream)
eric@59 469 {
eric@59 470 unsigned long begin_pos, end_pos;
eric@59 471
eric@59 472 pdf_assert (stream->type == PT_STREAM);
eric@59 473
eric@59 474 pdf_write_dict (pdf_file, stream->val.stream.stream_dict);
eric@59 475 fprintf (pdf_file->f, "stream\r\n");
eric@59 476 begin_pos = ftell (pdf_file->f);
eric@59 477 stream->val.stream.callback (pdf_file,
eric@59 478 stream,
eric@59 479 stream->val.stream.app_data);
eric@59 480 end_pos = ftell (pdf_file->f);
eric@59 481 fprintf (pdf_file->f, "\r\nendstream\r\n");
eric@59 482
eric@59 483 pdf_set_integer (stream->val.stream.length, end_pos - begin_pos);
eric@59 484 }
eric@59 485
eric@59 486
eric@59 487 void pdf_write_obj (pdf_file_handle pdf_file, struct pdf_obj *obj)
eric@59 488 {
eric@59 489 switch (obj->type)
eric@59 490 {
eric@59 491 case PT_NULL:
eric@59 492 fprintf (pdf_file->f, "null ");
eric@59 493 break;
eric@59 494 case PT_BOOL:
eric@62 495 if (obj->val.boolean)
eric@59 496 fprintf (pdf_file->f, "true ");
eric@59 497 else
eric@59 498 fprintf (pdf_file->f, "false ");
eric@59 499 break;
eric@59 500 case PT_NAME:
eric@59 501 pdf_write_name (pdf_file, obj->val.name);
eric@59 502 break;
eric@59 503 case PT_STRING:
eric@59 504 pdf_write_string (pdf_file, obj->val.string);
eric@59 505 break;
eric@59 506 case PT_INTEGER:
eric@59 507 fprintf (pdf_file->f, "%ld ", obj->val.integer);
eric@59 508 break;
eric@59 509 case PT_REAL:
eric@59 510 pdf_write_real (pdf_file, obj->val.real);
eric@59 511 break;
eric@59 512 case PT_IND_REF:
eric@59 513 pdf_write_ind_ref (pdf_file, obj);
eric@59 514 break;
eric@59 515 case PT_DICTIONARY:
eric@59 516 pdf_write_dict (pdf_file, obj);
eric@59 517 break;
eric@59 518 case PT_ARRAY:
eric@59 519 pdf_write_array (pdf_file, obj);
eric@59 520 break;
eric@59 521 case PT_STREAM:
eric@59 522 pdf_write_stream (pdf_file, obj);
eric@59 523 break;
eric@59 524 default:
eric@59 525 pdf_fatal ("bad object type\n");
eric@59 526 }
eric@59 527 }
eric@59 528
eric@59 529
eric@59 530 void pdf_write_ind_obj (pdf_file_handle pdf_file, struct pdf_obj *ind_obj)
eric@59 531 {
eric@59 532 struct pdf_obj *obj;
eric@59 533
eric@59 534 if (ind_obj->type == PT_IND_REF)
eric@59 535 obj = pdf_deref_ind_obj (ind_obj);
eric@59 536 else
eric@59 537 obj = ind_obj;
eric@59 538
eric@59 539 obj->file_offset = ftell (pdf_file->f);
eric@59 540 fprintf (pdf_file->f, "%ld %ld obj\r\n", obj->obj_num, obj->obj_gen);
eric@59 541 pdf_write_obj (pdf_file, obj);
eric@59 542 fprintf (pdf_file->f, "endobj\r\n");
eric@59 543 }
eric@59 544
eric@59 545
eric@59 546 void pdf_write_all_ind_obj (pdf_file_handle pdf_file)
eric@59 547 {
eric@59 548 struct pdf_obj *ind_obj;
eric@59 549 for (ind_obj = pdf_file->first_ind_obj; ind_obj; ind_obj = ind_obj->next)
eric@59 550 if (! ind_obj->file_offset)
eric@59 551 pdf_write_ind_obj (pdf_file, ind_obj);
eric@59 552 }
eric@59 553
eric@59 554
eric@59 555 unsigned long pdf_write_xref (pdf_file_handle pdf_file)
eric@59 556 {
eric@59 557 struct pdf_obj *ind_obj;
eric@59 558 pdf_file->xref_offset = ftell (pdf_file->f);
eric@59 559 fprintf (pdf_file->f, "xref\r\n");
eric@59 560 fprintf (pdf_file->f, "0 %ld\r\n", pdf_file->last_ind_obj->obj_num + 1);
eric@59 561 fprintf (pdf_file->f, "0000000000 65535 f\r\n");
eric@59 562 for (ind_obj = pdf_file->first_ind_obj; ind_obj; ind_obj = ind_obj->next)
eric@59 563 fprintf (pdf_file->f, "%010ld 00000 n\r\n", ind_obj->file_offset);
eric@59 564 return (pdf_file->last_ind_obj->obj_num + 1);
eric@59 565 }
eric@59 566
eric@59 567