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 #ifndef PDFDEST_H
22 #  define PDFDEST_H
23 
24 /* types of destinations */
25 
26 typedef enum {
27     pdf_dest_xyz = 0,
28     pdf_dest_fit = 1,
29     pdf_dest_fith = 2,
30     pdf_dest_fitv = 3,
31     pdf_dest_fitb = 4,
32     pdf_dest_fitbh = 5,
33     pdf_dest_fitbv = 6,
34     pdf_dest_fitr = 7
35 } pdf_destination_types;
36 
37 /* max number of kids for balanced trees */
38 #  define name_tree_kids_max 32 /* max number of kids of node of name tree for name destinations */
39 
40 /* data structure of destinations */
41 
42 #  define obj_dest_ptr              obj_aux     /* pointer to |pdf_dest_node| */
43 #  define set_obj_dest_ptr(pdf,A,B) obj_dest_ptr(pdf,A)=B
44 
45 #  define set_pdf_dest_id(A,B) pdf_dest_id(A)=B
46 #  define set_pdf_dest_named_id(A,B) pdf_dest_named_id(A)=B
47 #  define set_pdf_dest_type(A,B) pdf_dest_type(A)=B
48 #  define set_pdf_dest_xyz_zoom(A,B) pdf_dest_xyz_zoom(A)=B
49 
50 #  define inf_dest_names_size 1000      /* min size of the destination names table for PDF output */
51 #  define sup_dest_names_size 131072    /* max size of the destination names table for PDF output */
52 
53 extern void append_dest_name(PDF, char *, int);
54 extern void do_dest(PDF pdf, halfword p, halfword parent_box, scaledpos cur);
55 extern void warn_dest_dup(int id, small_number byname, const char *s1,
56                           const char *s2);
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 
65 #endif
66