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

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