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/* pdfxform.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 PDFXFORM_H
# define PDFXFORM_H
/* data structure for box resources */
# define pdfmem_xform_size 8 /* size of memory in |pdf->mem| which |obj_data_ptr| holds */
# define set_pdf_xform_objnum(A,B) pdf_xform_objnum(A)=B
# define obj_xform_width(pdf,A) pdf->mem[obj_data_ptr(pdf,A) + 0]
# define obj_xform_height(pdf,A) pdf->mem[obj_data_ptr(pdf,A) + 1]
# define obj_xform_depth(pdf,A) pdf->mem[obj_data_ptr(pdf,A) + 2]
# define obj_xform_box(pdf,A) pdf->mem[obj_data_ptr(pdf,A) + 3] /* this field holds
pointer to the corresponding box */
# define obj_xform_attr(pdf,A) pdf->mem[obj_data_ptr(pdf,A) + 4] /* additional xform
attributes */
# define obj_xform_resources(pdf,A) pdf->mem[obj_data_ptr(pdf,A) + 5] /* additional xform
Resources */
# define obj_xform_attr_str(pdf,A) pdf->mem[obj_data_ptr(pdf,A) + 6]
# define obj_xform_resources_str(pdf,A) pdf->mem[obj_data_ptr(pdf,A) + 7]
# define set_obj_xform_width(pdf,A,B) obj_xform_width(pdf,A)=B
# define set_obj_xform_height(pdf,A,B) obj_xform_height(pdf,A)=B
# define set_obj_xform_depth(pdf,A,B) obj_xform_depth(pdf,A)=B
# define set_obj_xform_box(pdf,A,B) obj_xform_box(pdf,A)=B
# define set_obj_xform_attr(pdf,A,B) obj_xform_attr(pdf,A)=B
# define set_obj_xform_resources(pdf,A,B) obj_xform_resources(pdf,A)=B
# define set_obj_xform_attr_str(pdf,A,B) obj_xform_attr_str(pdf,A)=B
# define set_obj_xform_resources_str(pdf,A,B) obj_xform_resources_str(pdf,A)=B
extern int pdf_cur_form; /* the form being output */
void pdf_place_form(PDF pdf, halfword p);
void scan_pdfxform(PDF pdf);
void scan_pdfrefxform(PDF pdf);
#endif
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