diff options
Diffstat (limited to 'src/font.h')
| -rw-r--r-- | src/font.h | 52 |
1 files changed, 40 insertions, 12 deletions
diff --git a/src/font.h b/src/font.h index cf477290d06..af0214c3f23 100644 --- a/src/font.h +++ b/src/font.h @@ -380,7 +380,7 @@ struct font #endif /* HAVE_WINDOW_SYSTEM */ /* Font-driver for the font. */ - struct font_driver *driver; + struct font_driver const *driver; /* There are more members in this structure, but they are private to the font-driver. */ @@ -763,6 +763,13 @@ struct font_driver Return non-nil if the driver support rendering of combining characters for FONT according to Unicode combining class. */ Lisp_Object (*combining_capability) (struct font *font); + + /* Optional + + Called when frame F is double-buffered and its size changes; Xft + relies on this hook to throw away its old XftDraw (which won't + work after the size change) and get a new one. */ + void (*drop_xrender_surfaces) (struct frame *f); }; @@ -776,7 +783,7 @@ struct font_driver_list font driver list.*/ bool on; /* Pointer to the font driver. */ - struct font_driver *driver; + struct font_driver const *driver; /* Pointer to the next element of the chain. */ struct font_driver_list *next; }; @@ -834,13 +841,13 @@ extern void font_parse_family_registry (Lisp_Object family, extern int font_parse_xlfd (char *name, ptrdiff_t len, Lisp_Object font); extern ptrdiff_t font_unparse_xlfd (Lisp_Object font, int pixel_size, char *name, int bytes); -extern void register_font_driver (struct font_driver *driver, struct frame *f); +extern void register_font_driver (struct font_driver const *, struct frame *); extern void free_font_driver_list (struct frame *f); #ifdef ENABLE_CHECKING -extern bool valid_font_driver (struct font_driver *); +extern bool valid_font_driver (struct font_driver const *); #else INLINE bool -valid_font_driver (struct font_driver *d) +valid_font_driver (struct font_driver const *d) { return true; } @@ -862,21 +869,42 @@ extern void *font_get_frame_data (struct frame *f, Lisp_Object); extern void font_filter_properties (Lisp_Object font, Lisp_Object alist, const char *const boolean_properties[], - const char *const non_boolean_properties[]); + const char *const non_boolean_properties[]); + +extern void font_drop_xrender_surfaces (struct frame *f); #ifdef HAVE_FREETYPE -extern struct font_driver ftfont_driver; +extern int ftfont_anchor_point (struct font *, unsigned int, int, + int *, int *); +extern int ftfont_get_bitmap (struct font *, unsigned int, + struct font_bitmap *, int); +extern int ftfont_has_char (Lisp_Object, int); +extern int ftfont_variation_glyphs (struct font *, int, unsigned[256]); +extern Lisp_Object ftfont_combining_capability (struct font *); +extern Lisp_Object ftfont_get_cache (struct frame *); +extern Lisp_Object ftfont_list (struct frame *, Lisp_Object); +extern Lisp_Object ftfont_list_family (struct frame *); +extern Lisp_Object ftfont_match (struct frame *, Lisp_Object); +extern Lisp_Object ftfont_open (struct frame *, Lisp_Object, int); +extern Lisp_Object ftfont_otf_capability (struct font *); +extern Lisp_Object ftfont_shape (Lisp_Object); +extern unsigned ftfont_encode_char (struct font *, int); +extern void ftfont_close (struct font *); +extern void ftfont_filter_properties (Lisp_Object, Lisp_Object); +extern void ftfont_text_extents (struct font *, unsigned *, int, + struct font_metrics *); extern void syms_of_ftfont (void); #endif /* HAVE_FREETYPE */ #ifdef HAVE_X_WINDOWS -extern struct font_driver xfont_driver; +extern struct font_driver const xfont_driver; +extern Lisp_Object xfont_get_cache (struct frame *); extern void syms_of_xfont (void); extern void syms_of_ftxfont (void); #ifdef HAVE_XFT -extern struct font_driver xftfont_driver; +extern struct font_driver const xftfont_driver; #endif #if defined HAVE_FREETYPE || defined HAVE_XFT -extern struct font_driver ftxfont_driver; +extern struct font_driver const ftxfont_driver; extern void syms_of_xftfont (void); #endif #ifdef HAVE_BDFFONT @@ -889,12 +917,12 @@ extern struct font_driver uniscribe_font_driver; extern void syms_of_w32font (void); #endif /* HAVE_NTGUI */ #ifdef HAVE_NS -extern struct font_driver nsfont_driver; +extern struct font_driver const nsfont_driver; extern void syms_of_nsfont (void); extern void syms_of_macfont (void); #endif /* HAVE_NS */ #ifdef USE_CAIRO -extern struct font_driver ftcrfont_driver; +extern struct font_driver const ftcrfont_driver; extern void syms_of_ftcrfont (void); #endif |