diff options
Diffstat (limited to 'src/fontset.h')
| -rw-r--r-- | src/fontset.h | 79 |
1 files changed, 49 insertions, 30 deletions
diff --git a/src/fontset.h b/src/fontset.h index a4360280911..cf09dde73f2 100644 --- a/src/fontset.h +++ b/src/fontset.h @@ -4,6 +4,9 @@ Copyright (C) 1995, 1997, 2000 National Institute of Advanced Industrial Science and Technology (AIST) Registration Number H14PRO021 + Copyright (C) 2003, 2006 + National Institute of Advanced Industrial Science and Technology (AIST) + Registration Number H13PRO009 This file is part of GNU Emacs. @@ -43,7 +46,8 @@ struct font_info /* Full name of the font given by a window system. */ char *full_name; - /* Charset of characters displayed by the font. */ + /* Charset to encode a character code into a glyph code of the + font. */ int charset; #ifdef WINDOWSNT @@ -70,25 +74,15 @@ struct font_info of lines. */ int vertical_centering; - /* Encodings of the font indexed by CHARSET. The value is one of + /* Encoding type of the font. The value is one of 0, 1, 2, or 3: 0: code points 0x20..0x7F or 0x2020..0x7F7F are used 1: code points 0xA0..0xFF or 0xA0A0..0xFFFF are used 2: code points 0x20A0..0x7FFF are used 3: code points 0xA020..0xFF7F are used - For instance, ASCII and Latin-1 characters may use the same font - but different code points (ASCII uses 0x20..0x7F and Latin-1 uses - 0xA0..0xFF). - - If the value can't be decided from information of the font, we - consult `font-encoding-alist' to get of the corresponding charset - whose default value is defined in lisp/fontset.el. Since there's - no charset whose id is 1, we use encoding[1] to store the - encoding information decided by the font itself. - If the member `font_encoder' is not NULL, this member is ignored. */ - unsigned char encoding[MAX_CHARSET + 1]; + unsigned char encoding_type; /* The baseline position of a font is normally `ascent' value of the font. However, there exists many fonts which don't set `ascent' @@ -148,6 +142,17 @@ struct font_info to be used. */ #define FONT_ENCODING_NOT_DECIDED 255 +enum FONT_SPEC_INDEX + { + FONT_SPEC_FAMILY_INDEX, + FONT_SPEC_WEIGHT_INDEX, + FONT_SPEC_SLANT_INDEX, + FONT_SPEC_SWIDTH_INDEX, + FONT_SPEC_ADSTYLE_INDEX, + FONT_SPEC_REGISTRY_INDEX, + FONT_SPEC_MAX_INDEX + }; + /* Forward declaration for prototypes. */ struct frame; @@ -187,43 +192,41 @@ extern void (*set_frame_fontset_func) P_ ((struct frame *f, Lisp_Object arg, This function set the memer `encoder' of the structure. */ extern void (*find_ccl_program_func) P_ ((struct font_info *)); +extern Lisp_Object (*get_font_repertory_func) P_ ((struct frame *, + struct font_info *)); + /* Check if any window system is used now. */ extern void (*check_window_system_func) P_ ((void)); struct face; extern void free_face_fontset P_ ((FRAME_PTR, struct face *)); -extern Lisp_Object fontset_font_pattern P_ ((FRAME_PTR, int, int)); +extern Lisp_Object fontset_font_pattern P_ ((FRAME_PTR, struct face *, int)); extern int face_suitable_for_char_p P_ ((struct face *, int)); -extern int face_for_char P_ ((FRAME_PTR, struct face *, int)); -extern int make_fontset_for_ascii_face P_ ((FRAME_PTR, int)); +extern int face_for_char P_ ((FRAME_PTR, struct face *, int, + int, Lisp_Object)); +extern int make_fontset_for_ascii_face P_ ((FRAME_PTR, int, struct face *)); +extern int new_fontset_from_font_name P_ ((Lisp_Object)); extern void set_default_ascii_font P_ ((Lisp_Object)); -extern struct font_info *fs_load_font P_ ((struct frame *, int, char *, int, - struct face *)); +extern struct font_info *fs_load_font P_ ((struct frame *, char *, int)); extern int fs_query_fontset P_ ((Lisp_Object, int)); EXFUN (Fquery_fontset, 2); extern Lisp_Object list_fontsets P_ ((struct frame *, Lisp_Object, int)); -extern Lisp_Object Qfontset; extern Lisp_Object Vuse_default_ascent; extern Lisp_Object Vignore_relative_composition; extern Lisp_Object Valternate_fontname_alist; extern Lisp_Object Vfontset_alias_alist; extern Lisp_Object Vvertical_centering_font_regexp; +extern Lisp_Object Votf_script_alist; -/* Load a font named FONTNAME for displaying character C. All fonts - for frame F is stored in a table pointed by FONT_TABLE. Return a - pointer to the struct font_info of the loaded font. If loading - fails, return 0; If FONTNAME is NULL, the name is taken from the - information of FONTSET. If FONTSET is given, try to load a font - whose size matches that of FONTSET, and, the font index is stored - in the table for FONTSET. */ +/* Load a font named FONTNAME on frame F. All fonts for frame F is + stored in a table pointed by FONT_TABLE. Return a pointer to the + struct font_info of the loaded font. If loading fails, return + NULL. */ -#define FS_LOAD_FONT(f, c, fontname, fontset) \ - fs_load_font (f, c, fontname, fontset, NULL) +#define FS_LOAD_FONT(f, fontname) fs_load_font (f, fontname, -1) -#define FS_LOAD_FACE_FONT(f, c, fontname, face) \ - fs_load_font (f, c, fontname, -1, face) /* Return an immutable id for font_info FONT_INFO on frame F. The reason for this macro is hat one cannot hold pointers to font_info @@ -241,10 +244,26 @@ extern Lisp_Object Vvertical_centering_font_regexp; ? (FRAME_X_DISPLAY_INFO ((F))->font_table + (ID)) \ : 0) +#ifdef USE_FONT_BACKEND +#define FONT_INFO_FROM_FACE(F, FACE) \ + (enable_font_backend ? (FACE)->font_info \ + : FONT_INFO_FROM_ID ((F), (FACE)->font_info_id)) +#else /* not USE_FONT_BACKEND */ +#define FONT_INFO_FROM_FACE(F, FACE) \ + FONT_INFO_FROM_ID ((F), (FACE)->font_info_id) +#endif /* not USE_FONT_BACKEND */ + extern Lisp_Object fontset_name P_ ((int)); extern Lisp_Object fontset_ascii P_ ((int)); extern int fontset_height P_ ((int)); +#ifdef USE_FONT_BACKEND +struct font; +extern int face_for_font P_ ((struct frame *, struct font *, struct face *)); +extern int new_fontset_from_font P_ ((Lisp_Object)); +extern struct font *fontset_ascii_font P_ ((FRAME_PTR, int)); +#endif /* USE_FONT_BACKEND */ + #endif /* EMACS_FONTSET_H */ /* arch-tag: c27cef7b-3cab-488a-8398-7a4daa96bb77 |