/* pdfobj.h Copyright 2009-2011 Taco Hoekwater 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 . */ #ifndef PDFOBJ_H # define PDFOBJ_H /* data structure for \.{\\pdfextension obj} and \.{\\pdfextension refobj} */ # define set_pdf_obj_objnum(A, B) pdf_obj_objnum(A) = (B) # define pdfmem_obj_size 5 /* size of memory in |mem| which |obj_data_ptr| holds */ # define obj_obj_data(pdf, A) pdf->mem[obj_data_ptr((pdf), (A)) + 0] /* object data */ # define obj_obj_stream_attr(pdf, A) pdf->mem[obj_data_ptr((pdf), (A)) + 1] /* additional attributes into stream dict */ # define obj_obj_flags(pdf, A) pdf->mem[obj_data_ptr((pdf), (A)) + 2] /* stream/file flags */ # define obj_obj_pdfcompresslevel(pdf, A) pdf->mem[obj_data_ptr((pdf), (A)) + 3] /* overrides \pdfcompresslevel */ # define obj_obj_objstm_threshold(pdf, A) pdf->mem[obj_data_ptr((pdf), (A)) + 4] /* for object stream compression */ # define OBJ_FLAG_ISSTREAM (1 << 0) # define OBJ_FLAG_ISFILE (1 << 1) # define OBJ_FLAG_NOLENGTH (1 << 2) # define obj_obj_is_stream(pdf,A) ((obj_obj_flags((pdf), (A)) & OBJ_FLAG_ISSTREAM) != 0) # define set_obj_obj_is_stream(pdf,A) ((obj_obj_flags((pdf), (A)) |= OBJ_FLAG_ISSTREAM)) # define unset_obj_obj_is_stream(pdf,A) ((obj_obj_flags((pdf), (A)) &= ~OBJ_FLAG_ISSTREAM)) # define obj_obj_is_file(pdf,A) ((obj_obj_flags((pdf), (A)) & OBJ_FLAG_ISFILE) != 0) # define set_obj_obj_is_file(pdf,A) ((obj_obj_flags((pdf), (A)) |= OBJ_FLAG_ISFILE)) # define unset_obj_obj_is_file(pdf,A) ((obj_obj_flags((pdf), (A)) &= ~OBJ_FLAG_ISFILE)) # define obj_obj_no_length(pdf,A) ((obj_obj_flags((pdf), (A)) & OBJ_FLAG_NOLENGTH) != 0) # define set_obj_obj_no_length(pdf,A) ((obj_obj_flags((pdf), (A)) |= OBJ_FLAG_NOLENGTH)) # define unset_obj_obj_no_length(pdf,A) ((obj_obj_flags((pdf), (A)) &= ~OBJ_FLAG_NOLENGTH)) extern void init_obj_obj(PDF pdf, int k); extern void pdf_write_obj(PDF pdf, int n); extern void scan_obj(PDF pdf); extern void scan_refobj(PDF pdf); extern void scan_refobj_lua(PDF pdf, int k); extern void pdf_ref_obj(PDF pdf, halfword p); extern void pdf_ref_obj_lua(PDF pdf, int k); #endif