/* Shared GDI and Uniscribe Font backend declarations for the W32 API.
- Copyright (C) 2007, 2008 Free Software Foundation, Inc.
+ Copyright (C) 2007-2011 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
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
/* Bit 17 of ntmFlags in NEWTEXTMETRIC is set for Postscript OpenType fonts,
- bit 18 for Truetype OpenType fonts. */
-#define NTMFLAGS_OPENTYPE 0x60000
+ bit 18 for Truetype OpenType fonts, bit 20 for Type1 fonts. */
+#ifndef NTM_PS_OPENTYPE
+#define NTM_PS_OPENTYPE 0x00020000
+#endif
+#ifndef NTM_TT_OPENTYPE
+#define NTM_TT_OPENTYPE 0x00040000
+#endif
+#ifndef NTM_TYPE1
+#define NTM_TYPE1 0x00100000
+#endif
+
+#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;
- struct font_metrics ascii_metrics[96];
+ TEXTMETRICW metrics;
+ unsigned int glyph_idx;
+ struct w32_metric_cache **cached_metrics;
+ int n_cache_blocks;
+ HFONT hfont;
};
-Lisp_Object w32font_get_cache P_ ((FRAME_PTR fe));
-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));
-int w32font_open_internal P_ ((FRAME_PTR f, Lisp_Object font_entity,
- int pixel_size, struct w32font_info *w32_font));
-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));
+/* 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 (FRAME_PTR fe);
+Lisp_Object w32font_list_internal (Lisp_Object frame,
+ Lisp_Object font_spec,
+ int opentype_only);
+Lisp_Object w32font_match_internal (Lisp_Object frame,
+ Lisp_Object font_spec,
+ int opentype_only);
+int w32font_open_internal (FRAME_PTR f, Lisp_Object font_entity,
+ int pixel_size, Lisp_Object font_object);
+void w32font_close (FRAME_PTR f, struct font *font);
+int w32font_has_char (Lisp_Object entity, int c);
+int w32font_text_extents (struct font *font, unsigned *code, int nglyphs,
+ struct font_metrics *metrics);
+int w32font_draw (struct glyph_string *s, int from, int to,
+ int x, int y, int with_background);
+
+
+int uniscribe_check_otf (LOGFONT *font, Lisp_Object otf_spec);
+
+Lisp_Object intern_font_name (char *);
#endif
-/* arch-tag: ef9d9675-a2a5-4d01-9526-815e9a3da7cb
- (do not change this comment) */