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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/>. */
+
+/* $Id: pdfxform.h 3261 2009-12-18 11:38:21Z taco $ */
+
+#ifndef PDFXFORM_H
+# define PDFXFORM_H
+
+/* data structure for \.{\\pdfxform} and \.{\\pdfrefxform} */
+
+# define pdfmem_xform_size 6 /* 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 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
+
+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