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/* pdfaction.h
Copyright 2009 Taco Hoekwater <taco@luatex.org>
This file is part of LuaTeX.
LuaTeX is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2 of the License, or (at your
option) any later version.
LuaTeX 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 Lesser General Public
License for more details.
You should have received a copy of the GNU General Public License along
with LuaTeX; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef PDFACTION_H
# define PDFACTION_H
/*
Increase count of references to this action. this is used to speed up
copy_node().
*/
# define add_action_ref(a) pdf_action_refcount((a))++
/*
Decrease count of references to this action; free it if there is no reference
to this action.
*/
# define delete_action_ref(a) { \
if (pdf_action_refcount(a) == null) { \
flush_node(a); \
} else { \
pdf_action_refcount(a)--; \
} \
}
# define set_pdf_action_type(A,B) pdf_action_type(A)=B
# define set_pdf_action_tokens(A,B) pdf_action_tokens(A)=B
# define set_pdf_action_file(A,B) pdf_action_file(A)=B
# define set_pdf_action_id(A,B) pdf_action_id(A)=B
# define set_pdf_action_named_id(A,B) pdf_action_named_id(A)=B
# define set_pdf_action_new_window(A,B) pdf_action_new_window(A)=B
extern halfword scan_action(PDF pdf);
extern void write_action(PDF pdf, halfword p);
#endif
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