tumble: pdf_bookmark.c@2129cfb36fcc (annotated)

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pdf_bookmark.c@2129cfb36fcc (annotated)

pdf_bookmark.c

Wed, 05 Mar 2003 02:26:43 +0000

author: eric
date: Wed, 05 Mar 2003 02:26:43 +0000
changeset 76: 2129cfb36fcc
parent 74: 12bc5088172e
child 77: 544fff830581
permissions: -rw-r--r--

fixed Count for closed bookmarks, doesn't contribute to parent's Count.

 /*
  * t2p: Create a PDF file from the contents of one or more TIFF
  *      bilevel image files.  The images in the resulting PDF file
  *      will be compressed using ITU-T T.6 (G4) fax encoding.
  *
  * PDF routines
  * $Id: pdf_bookmark.c,v 1.2 2003/03/04 18:26:43 eric Exp $
  * Copyright 2001, 2002, 2003 Eric Smith <eric@brouhaha.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.  Note that permission is
  * not granted to redistribute this program under the terms of any
  * other version of the General Public License.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA
  */
 #include <stdbool.h>
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include "bitblt.h"
 #include "pdf.h"
 #include "pdf_util.h"
 #include "pdf_prim.h"
 #include "pdf_private.h"
 static void pdf_bookmark_update_count (pdf_bookmark_handle entry)
 {
   struct pdf_obj *count_obj;
   while (entry)
     {
       count_obj = pdf_get_dict_entry (entry->dict, "Count");
       if (! count_obj)
 	{
 	  count_obj = pdf_new_integer (0);
 	  pdf_set_dict_entry (entry->dict, "Count", count_obj);
 	}
       pdf_set_integer (count_obj,
 		       pdf_get_integer (count_obj) +
 		       ((entry->open) ? 1 : -1));
       if (! entry->open)
 	break;
       entry = entry->parent;
     }
 }
 /* Create a new bookmark, under the specified parent, or at the top
    level if parent is NULL. */
 pdf_bookmark_handle pdf_new_bookmark (pdf_bookmark_handle parent,
 				      char *title,
 				      bool open,
 				      pdf_page_handle pdf_page)
 {
   pdf_file_handle pdf_file = pdf_page->pdf_file;
   struct pdf_bookmark *root;
   struct pdf_bookmark *entry;
   struct pdf_obj *dest_array;
   root = pdf_file->outline_root;
   if (! root)
     {
       root = pdf_calloc (1, sizeof (struct pdf_bookmark));
       root->dict = pdf_new_ind_ref (pdf_file, pdf_new_obj (PT_DICTIONARY));
       pdf_set_dict_entry (root->dict, "Count", pdf_new_integer (0));
       pdf_file->outline_root = root;
       pdf_set_dict_entry (pdf_file->catalog, "Outlines", root->dict);
     }
   entry = pdf_calloc (1, sizeof (struct pdf_bookmark));
   entry->dict = pdf_new_ind_ref (pdf_file, pdf_new_obj (PT_DICTIONARY));
   entry->open = open;
   pdf_set_dict_entry (entry->dict, "Title", pdf_new_string (title));
   dest_array = pdf_new_obj (PT_ARRAY);
   pdf_add_array_elem (dest_array, pdf_page->page_dict);
   pdf_add_array_elem (dest_array, pdf_new_name ("Fit"));
   pdf_set_dict_entry (entry->dict, "Dest", dest_array);
   if (parent)
     {
       entry->parent = parent;
       entry->prev = parent->last;
     }
   else
     {
       parent = root;
       entry->parent = root;
       entry->prev = root->last;
     }
   pdf_set_dict_entry (entry->dict, "Parent", parent->dict);
   if (entry->prev)
     {
       pdf_set_dict_entry (entry->dict, "Prev", entry->prev->dict);
       entry->prev->next = entry;
       pdf_set_dict_entry (entry->prev->dict, "Next", entry->dict);
       parent->last = entry;
       pdf_set_dict_entry (parent->dict, "Last", entry->dict);
     }
   else
     {
       parent->first = entry;
       pdf_set_dict_entry (parent->dict, "First", entry->dict);
       parent->last = entry;
       pdf_set_dict_entry (parent->dict, "Last", entry->dict);
     }
   pdf_bookmark_update_count (parent);
   return (entry);
 }

tumble / annotate

pdf_bookmark.c@2129cfb36fcc (annotated)

pdf_bookmark.c