*clip_tail, not including their overhangs. */
struct glyph_string *clip_head, *clip_tail;
+#ifdef USE_FONT_BACKEND
+ /* The current clipping area. */
+ int clip_x, clip_y, clip_width, clip_height;
+#endif /* USE_FONT_BACKEND */
+
struct glyph_string *next, *prev;
};
LFACE_FONT_INDEX,
LFACE_INHERIT_INDEX,
LFACE_AVGWIDTH_INDEX,
+ LFACE_FONTSET_INDEX,
LFACE_VECTOR_SIZE
};
reallocated. */
int font_info_id;
- /* Fontset ID if this face uses a fontset, or -1. This is only >= 0
- if the face was realized for a composition sequence.
- Otherwise, a specific font is loaded from the set of fonts
- specified by the fontset given by the family attribute of the face. */
+#ifdef USE_FONT_BACKEND
+ struct font_info *font_info;
+#endif /* USE_FONT_BACKEND */
+
+ /* Fontset ID if for this face's fontset. Non-ASCII faces derived
+ from the same ASCII face have the same fontset. */
int fontset;
/* Pixmap width and height. */
/* The hash value of this face. */
unsigned hash;
- /* The charset for which this face was realized if it was realized
- for use in multibyte text. If fontset >= 0, this is the charset
- of the first character of the composition sequence. A value of
- charset < 0 means the face was realized for use in unibyte text
- where the idea of Emacs charsets isn't applicable. */
- int charset;
-
/* Non-zero if text in this face should be underlined, overlined,
strike-through or have a box drawn around it. */
unsigned underline_p : 1;
/* Next and previous face in hash collision list of face cache. */
struct face *next, *prev;
- /* If this face is for ASCII characters, this points this face
- itself. Otherwise, this points a face for ASCII characters. */
+ /* If this face is an ASCII face, this points to this face itself.
+ Otherwise, this points to an ASCII face that has the same
+ attributes except the font. */
struct face *ascii_face;
+
+#ifdef USE_FONT_BACKEND
+ /* Extra member that a font-driver uses privately. */
+ void *extra;
+#endif /* USE_FONT_BACKEND */
};
/* Non-zero if FACE is suitable for displaying character CHAR. */
#define FACE_SUITABLE_FOR_CHAR_P(FACE, CHAR) \
- (SINGLE_BYTE_CHAR_P (CHAR) \
+ (ASCII_CHAR_P (CHAR) \
? (FACE) == (FACE)->ascii_face \
: face_suitable_for_char_p ((FACE), (CHAR)))
with id ID but is suitable for displaying character CHAR.
This macro is only meaningful for multibyte character CHAR. */
-#define FACE_FOR_CHAR(F, FACE, CHAR) \
- (SINGLE_BYTE_CHAR_P (CHAR) \
- ? (FACE)->ascii_face->id \
- : face_for_char ((F), (FACE), (CHAR)))
+#define FACE_FOR_CHAR(F, FACE, CHAR, POS, OBJECT) \
+ (ASCII_CHAR_P (CHAR) \
+ ? (FACE)->ascii_face->id \
+ : face_for_char ((F), (FACE), (CHAR), (POS), (OBJECT)))
#else /* not HAVE_WINDOW_SYSTEM */
#define FACE_SUITABLE_FOR_CHAR_P(FACE, CHAR) 1
-#define FACE_FOR_CHAR(F, FACE, CHAR) ((FACE)->id)
+#define FACE_FOR_CHAR(F, FACE, CHAR, POS, OBJECT) ((FACE)->id)
#endif /* not HAVE_WINDOW_SYSTEM */
enum prop_idx
{
+ AUTO_COMPOSED_PROP_IDX,
FONTIFIED_PROP_IDX,
FACE_PROP_IDX,
INVISIBLE_PROP_IDX,
the two-byte form of C. Encoding is returned in *CHAR2B. If
TWO_BYTE_P is non-null, return non-zero there if font is two-byte. */
int (*encode_char) P_ ((int c, XChar2b *char2b,
- struct font_info *font_into, int *two_byte_p));
+ struct font_info *font_into,
+ struct charset *charset,
+ int *two_byte_p));
/* Compute left and right overhang of glyph string S.
A NULL pointer if platform does not support this. */
unsigned long load_color P_ ((struct frame *, struct face *, Lisp_Object,
enum lface_attribute_index));
void unload_color P_ ((struct frame *, unsigned long));
-int face_font_available_p P_ ((struct frame *, Lisp_Object));
+char *choose_face_font P_ ((struct frame *, Lisp_Object *, Lisp_Object,
+ int *));
int ascii_face_of_lisp_face P_ ((struct frame *, int));
void prepare_face_for_display P_ ((struct frame *, struct face *));
int xstricmp P_ ((const unsigned char *, const unsigned char *));
-int lookup_face P_ ((struct frame *, Lisp_Object *, int, struct face *));
-int lookup_named_face P_ ((struct frame *, Lisp_Object, int, int));
+int lookup_face P_ ((struct frame *, Lisp_Object *));
+int lookup_non_ascii_face P_ ((struct frame *, int, struct face *));
+int lookup_named_face P_ ((struct frame *, Lisp_Object, int));
int smaller_face P_ ((struct frame *, int, int));
int face_with_height P_ ((struct frame *, int, int));
-int lookup_derived_face P_ ((struct frame *, Lisp_Object, int, int, int));
+int lookup_derived_face P_ ((struct frame *, Lisp_Object, int, int));
void init_frame_faces P_ ((struct frame *));
void free_frame_faces P_ ((struct frame *));
void recompute_basic_faces P_ ((struct frame *));
int merge_faces P_ ((struct frame *, Lisp_Object, int, int));
int compute_char_face P_ ((struct frame *, int, Lisp_Object));
void free_all_realized_faces P_ ((Lisp_Object));
+void free_realized_face P_ ((struct frame *, struct face *));
extern Lisp_Object Qforeground_color, Qbackground_color;
extern Lisp_Object Qframe_set_background_mode;
extern char unspecified_fg[], unspecified_bg[];
-void free_realized_multibyte_face P_ ((struct frame *, int));
+extern Lisp_Object split_font_name_into_vector P_ ((Lisp_Object));
+extern Lisp_Object build_font_name_from_vector P_ ((Lisp_Object));
/* Defined in xfns.c */