source/texk/web2c/luatexdir/pdf/pdfdest.h

   1 /* pdfdest.h
   2
   3    Copyright 2009 Taco Hoekwater <taco@luatex.org>
   4
   5    This file is part of LuaTeX.
   6
   7    LuaTeX is free software; you can redistribute it and/or modify it under
   8    the terms of the GNU General Public License as published by the Free
   9    Software Foundation; either version 2 of the License, or (at your
  10    option) any later version.
  11
  12    LuaTeX is distributed in the hope that it will be useful, but WITHOUT
  13    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
  15    License for more details.
  16
  17    You should have received a copy of the GNU General Public License along
  18    with LuaTeX; if not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21
  22 #ifndef PDFDEST_H
  23 #  define PDFDEST_H
  24
  25 /* types of destinations */
  26
  27 typedef enum {
  28     pdf_dest_xyz   = 0,
  29     pdf_dest_fit   = 1,
  30     pdf_dest_fith  = 2,
  31     pdf_dest_fitv  = 3,
  32     pdf_dest_fitb  = 4,
  33     pdf_dest_fitbh = 5,
  34     pdf_dest_fitbv = 6,
  35     pdf_dest_fitr  = 7
  36 } pdf_destination_types;
  37
  38 /* max number of kids for balanced trees */
  39
  40 #  define name_tree_kids_max 32 /* max number of kids of node of name tree for name destinations */
  41
  42 /* data structure of destinations */
  43
  44 #  define obj_dest_ptr              obj_aux     /* pointer to |pdf_dest_node| */
  45 #  define set_obj_dest_ptr(pdf,A,B) obj_dest_ptr(pdf,A)=B
  46
  47 #  define set_pdf_dest_id(A,B)       pdf_dest_id(A)=B
  48 #  define set_pdf_dest_named_id(A,B) pdf_dest_named_id(A)=B
  49 #  define set_pdf_dest_type(A,B)     pdf_dest_type(A)=B
  50 #  define set_pdf_dest_xyz_zoom(A,B) pdf_dest_xyz_zoom(A)=B
  51
  52 #  define inf_dest_names_size   1000  /* min size of the destination names table for PDF output */
  53 #  define sup_dest_names_size 131072  /* max size of the destination names table for PDF output */
  54
  55 extern void append_dest_name(PDF, char *, int);
  56 extern void do_dest(PDF pdf, halfword p, halfword parent_box, scaledpos cur);
  57
  58 extern void write_out_pdf_mark_destinations(PDF);
  59 extern void scan_pdfdest(PDF);
  60 extern void init_dest_names(PDF);
  61 extern void sort_dest_names(PDF);
  62 extern int output_name_tree(PDF);
  63
  64 #endif