1 /* pdfcolorstack.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 PDFCOLORSTACK_H
22 #  define PDFCOLORSTACK_H
23 
24 #  define set_pdf_colorstack_stack(A,B) pdf_colorstack_stack(A)=B
25 #  define set_pdf_colorstack_cmd(A,B) pdf_colorstack_cmd(A)=B
26 #  define set_pdf_colorstack_data(A,B) pdf_colorstack_data(A)=B
27 
28 #  define STACK_INCREMENT 8
29 
30 int newcolorstack(int s, int literal_mode, boolean pagestart);
31 int colorstackused(void);
32 int colorstackpop(int colstack_no);
33 int colorstackcurrent(int colstack_no);
34 int colorstackskippagestart(int colstack_no);
35 void colorstackpagestart(void);
36 
37 extern void pdf_out_colorstack(PDF pdf, halfword p);
38 extern void pdf_out_colorstack_startpage(PDF pdf);
39 
40 #endif
41