Add bug reference.

[bpt/emacs.git] / src / w32font.h

diff --git a/src/w32font.h b/src/w32font.h
index 9bd7546..500e7f3 100644 (file)
--- a/src/w32font.h
+++ b/src/w32font.h
@@ -1,12 +1,12 @@
 /* Shared GDI and Uniscribe Font backend declarations for the W32 API.
-   Copyright (C) 2007, 2008 Free Software Foundation, Inc.
+   Copyright (C) 2007, 2008, 2009 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
-GNU Emacs is free software; you can redistribute it and/or modify
+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 3, or (at your option)
-any later version.
+the Free Software Foundation, either version 3 of the License, 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
@@ -14,9 +14,7 @@ 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.  */
+along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #ifndef EMACS_W32FONT_H
 #define EMACS_W32FONT_H
@@ -36,16 +34,34 @@ Boston, MA 02110-1301, USA.  */
 
 #define NTMFLAGS_OPENTYPE (NTM_PS_OPENTYPE | NTM_TT_OPENTYPE)
 
+struct w32_metric_cache
+{
+  short lbearing, rbearing, width;
+  unsigned char status;
+};
+
+#define W32METRIC_NO_ATTEMPT 0
+#define W32METRIC_SUCCESS 1
+#define W32METRIC_FAIL 2
+
 /* 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;
+  TEXTMETRICW metrics;
   unsigned int glyph_idx;
-  struct font_metrics ascii_metrics[128];
+  struct w32_metric_cache **cached_metrics;
+  int n_cache_blocks;
+  HFONT hfont;
 };
 
+/* Macros for getting OS specific information from a font struct.  */
+#define FONT_HANDLE(f) (((struct w32font_info *)(f))->hfont)
+#define FONT_TEXTMETRIC(f) (((struct w32font_info *)(f))->metrics)
+
+#define CACHE_BLOCKSIZE 128
+
 Lisp_Object w32font_get_cache P_ ((FRAME_PTR fe));
 Lisp_Object w32font_list_internal P_ ((Lisp_Object frame,
                                        Lisp_Object font_spec,
@@ -54,7 +70,7 @@ Lisp_Object w32font_match_internal P_ ((Lisp_Object frame,
                                         Lisp_Object font_spec,
                                         int opentype_only));
 int w32font_open_internal P_ ((FRAME_PTR f, Lisp_Object font_entity,
-                               int pixel_size, struct w32font_info *w32_font));
+                               int pixel_size, Lisp_Object font_object));
 void w32font_close P_ ((FRAME_PTR f, struct font *font));
 int w32font_has_char P_ ((Lisp_Object entity, int c));
 int w32font_text_extents P_ ((struct font *font, unsigned *code, int nglyphs,
@@ -65,6 +81,8 @@ int w32font_draw P_ ((struct glyph_string *s, int from, int to,
 
 int uniscribe_check_otf P_ ((LOGFONT *font, Lisp_Object otf_spec));
 
+Lisp_Object intern_font_name P_ ((char *));
+
 #endif
 
 /* arch-tag: ef9d9675-a2a5-4d01-9526-815e9a3da7cb