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diff --git a/src/w32font.h b/src/w32font.h
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+/* Shared GDI and Uniscribe Font backend declarations for the W32 API.
+   Copyright (C) 2007 Free Software Foundation, Inc.
+
+This file is part of GNU Emacs.
+
+GNU Emacs 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, or (at your option)
+any later version.
+
+GNU Emacs 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Emacs; see the file COPYING.  If not, write to
+the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA.  */
+
+#ifndef EMACS_W32FONT_H
+#define EMACS_W32FONT_H
+
+
+/* Bit 17 of ntmFlags in NEWTEXTMETRIC is set for Postscript OpenType fonts,
+   bit 18 for Truetype OpenType fonts.  */
+#define NTMFLAGS_OPENTYPE 0x60000
+
+/* The actual structure for a w32 font, that can be cast to struct font.
+   The Uniscribe backend extends this.  */
+struct w32font_info
+{
+  struct font font;
+  TEXTMETRIC metrics;
+  struct frame *owning_frame;
+};
+
+Lisp_Object w32font_get_cache P_ ((Lisp_Object frame));
+Lisp_Object w32font_list_internal P_ ((Lisp_Object frame,
+                                       Lisp_Object font_spec,
+                                       int opentype_only));
+Lisp_Object w32font_match_internal P_ ((Lisp_Object frame,
+                                        Lisp_Object font_spec,
+                                        int opentype_only));
+struct font * w32font_open P_ ((FRAME_PTR f, Lisp_Object font_entity,
+                                int pixel_size));
+void w32font_close P_ ((FRAME_PTR f, struct font *font));
+int w32font_has_char P_ ((Lisp_Object entity, int c));
+unsigned w32font_encode_char P_ ((struct font *font, int c));
+int w32font_text_extents P_ ((struct font *font, unsigned *code, int nglyphs,
+                              struct font_metrics *metrics));
+int w32font_draw P_ ((struct glyph_string *s, int from, int to,
+                      int x, int y, int with_background));
+
+#endif