/* Shared GDI and Uniscribe Font backend declarations for the W32 API.
- Copyright (C) 2007 Free Software Foundation, Inc.
+ Copyright (C) 2007, 2008 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)
+the Free Software Foundation; either version 3, or (at your option)
any later version.
GNU Emacs is distributed in the hope that it will be useful,
/* 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 font font;
TEXTMETRIC metrics;
- struct frame *owning_frame;
+ unsigned int glyph_idx;
+ struct w32_metric_cache **cached_metrics;
+ int n_cache_blocks;
};
-Lisp_Object w32font_get_cache P_ ((Lisp_Object frame));
+#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,
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));
+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));
+
+int uniscribe_check_otf P_ ((LOGFONT *font, Lisp_Object otf_spec));
+
#endif
+
+/* arch-tag: ef9d9675-a2a5-4d01-9526-815e9a3da7cb
+ (do not change this comment) */