1 /* pdfxform.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 PDFXFORM_H 22 # define PDFXFORM_H 23 24 /* data structure for \.{\\pdfxform} and \.{\\pdfrefxform} */ 25 26 # define pdfmem_xform_size 6 /* size of memory in |pdf->mem| which |obj_data_ptr| holds */ 27 28 # define set_pdf_xform_objnum(A,B) pdf_xform_objnum(A)=B 29 30 # define obj_xform_width(pdf,A) pdf->mem[obj_data_ptr(pdf,A) + 0] 31 # define obj_xform_height(pdf,A) pdf->mem[obj_data_ptr(pdf,A) + 1] 32 # define obj_xform_depth(pdf,A) pdf->mem[obj_data_ptr(pdf,A) + 2] 33 # define obj_xform_box(pdf,A) pdf->mem[obj_data_ptr(pdf,A) + 3] /* this field holds 34 pointer to the corresponding box */ 35 # define obj_xform_attr(pdf,A) pdf->mem[obj_data_ptr(pdf,A) + 4] /* additional xform 36 attributes */ 37 # define obj_xform_resources(pdf,A) pdf->mem[obj_data_ptr(pdf,A) + 5] /* additional xform 38 Resources */ 39 40 41 # define set_obj_xform_width(pdf,A,B) obj_xform_width(pdf,A)=B 42 # define set_obj_xform_height(pdf,A,B) obj_xform_height(pdf,A)=B 43 # define set_obj_xform_depth(pdf,A,B) obj_xform_depth(pdf,A)=B 44 # define set_obj_xform_box(pdf,A,B) obj_xform_box(pdf,A)=B 45 # define set_obj_xform_attr(pdf,A,B) obj_xform_attr(pdf,A)=B 46 # define set_obj_xform_resources(pdf,A,B) obj_xform_resources(pdf,A)=B 47 48 extern int pdf_cur_form; /* the form being output */ 49 50 void pdf_place_form(PDF pdf, halfword p); 51 52 void scan_pdfxform(PDF pdf); 53 void scan_pdfrefxform(PDF pdf); 54 55 #endif 56