/* Header for composite sequence handler.
Copyright (C) 2001, 2002, 2003, 2004, 2005,
- 2006, 2007, 2008 Free Software Foundation, Inc.
- Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
+ 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
National Institute of Advanced Industrial Science and Technology (AIST)
Registration Number H14PRO021
Copyright (C) 2003, 2006
COMPOSITION_WITH_ALTCHARS,
/* Compose by specified composition rules with alternate characters. */
COMPOSITION_WITH_RULE_ALTCHARS,
- /* Compose by specified lispy glyph-string. */
- COMPOSITION_WITH_GLYPH_STRING,
/* This is not a method. */
COMPOSITION_NO
};
? COMPOSITION_RELATIVE \
: (INTEGERP (composition_temp) || STRINGP (composition_temp)) \
? COMPOSITION_WITH_ALTCHARS \
- : (VECTORP (composition_temp) \
- && ASIZE (composition_temp) >= 2 \
- && VECTORP (AREF (composition_temp, 0))) \
- ? COMPOSITION_WITH_GLYPH_STRING \
: COMPOSITION_WITH_RULE_ALTCHARS)))
/* Return 1 if the composition is valid. It is valid if length of
extern Lisp_Object Qauto_composed;
extern Lisp_Object Vauto_composition_function;
extern Lisp_Object Qauto_composition_function;
+extern Lisp_Object Vcomposition_function_table;
extern int get_composition_id P_ ((int, int, int, Lisp_Object, Lisp_Object));
extern int find_composition P_ ((int, int, EMACS_INT *, EMACS_INT *, Lisp_Object *,
extern void compose_text P_ ((int, int, Lisp_Object, Lisp_Object,
Lisp_Object));
+/* Macros for lispy glyph-string. This is completely different from
+ struct glyph_string. */
+
+#define LGSTRING_HEADER(lgs) AREF (lgs, 0)
+#define LGSTRING_SET_HEADER(lgs, header) ASET (lgs, 0, header)
+
+#define LGSTRING_FONT(lgs) AREF (LGSTRING_HEADER (lgs), 0)
+#define LGSTRING_CHAR(lgs, i) AREF (LGSTRING_HEADER (lgs), (i) + 1)
+#define LGSTRING_CHAR_LEN(lgs) (ASIZE (LGSTRING_HEADER (lgs)) - 1)
+
+#define LGSTRING_SET_FONT(lgs, val) ASET (LGSTRING_HEADER (lgs), 0, (val))
+#define LGSTRING_SET_CHAR(lgs, i, c) ASET (LGSTRING_HEADER (lgs), (i) + 1, (c))
+
+#define LGSTRING_ID(lgs) AREF (lgs, 1)
+#define LGSTRING_SET_ID(lgs, id) ASET (lgs, 1, id)
+
+#define LGSTRING_GLYPH_LEN(lgs) (ASIZE ((lgs)) - 2)
+#define LGSTRING_GLYPH(lgs, idx) AREF ((lgs), (idx) + 2)
+#define LGSTRING_SET_GLYPH(lgs, idx, val) ASET ((lgs), (idx) + 2, (val))
+
+/* Vector size of Lispy glyph. */
+enum lglyph_indices
+ {
+ LGLYPH_IX_FROM, LGLYPH_IX_TO, LGLYPH_IX_CHAR, LGLYPH_IX_CODE,
+ LGLYPH_IX_WIDTH, LGLYPH_IX_LBEARING, LGLYPH_IX_RBEARING,
+ LGLYPH_IX_ASCENT, LGLYPH_IX_DESCENT, LGLYPH_IX_ADJUSTMENT,
+ /* Not an index. */
+ LGLYPH_SIZE
+ };
+
+#define LGLYPH_NEW() Fmake_vector (make_number (LGLYPH_SIZE), Qnil)
+#define LGLYPH_FROM(g) XINT (AREF ((g), LGLYPH_IX_FROM))
+#define LGLYPH_TO(g) XINT (AREF ((g), LGLYPH_IX_TO))
+#define LGLYPH_CHAR(g) XINT (AREF ((g), LGLYPH_IX_CHAR))
+#define LGLYPH_CODE(g) \
+ (NILP (AREF ((g), LGLYPH_IX_CODE)) \
+ ? FONT_INVALID_CODE \
+ : CONSP (AREF ((g), LGLYPH_IX_CODE)) \
+ ? ((XFASTINT (XCAR (AREF ((g), LGLYPH_IX_CODE))) << 16) \
+ | (XFASTINT (XCDR (AREF ((g), LGLYPH_IX_CODE))))) \
+ : XFASTINT (AREF ((g), LGLYPH_IX_CODE)))
+#define LGLYPH_WIDTH(g) XINT (AREF ((g), LGLYPH_IX_WIDTH))
+#define LGLYPH_LBEARING(g) XINT (AREF ((g), LGLYPH_IX_LBEARING))
+#define LGLYPH_RBEARING(g) XINT (AREF ((g), LGLYPH_IX_RBEARING))
+#define LGLYPH_ASCENT(g) XINT (AREF ((g), LGLYPH_IX_ASCENT))
+#define LGLYPH_DESCENT(g) XINT (AREF ((g), LGLYPH_IX_DESCENT))
+#define LGLYPH_ADJUSTMENT(g) AREF ((g), LGLYPH_IX_ADJUSTMENT)
+#define LGLYPH_SET_FROM(g, val) ASET ((g), LGLYPH_IX_FROM, make_number (val))
+#define LGLYPH_SET_TO(g, val) ASET ((g), LGLYPH_IX_TO, make_number (val))
+#define LGLYPH_SET_CHAR(g, val) ASET ((g), LGLYPH_IX_CHAR, make_number (val))
+/* Callers must assure that VAL is not negative! */
+#define LGLYPH_SET_CODE(g, val) \
+ do { \
+ if (val == FONT_INVALID_CODE) \
+ ASET ((g), LGLYPH_IX_CODE, Qnil); \
+ else if ((EMACS_INT)val > MOST_POSITIVE_FIXNUM) \
+ ASET ((g), LGLYPH_IX_CODE, Fcons (make_number ((val) >> 16), \
+ make_number ((val) & 0xFFFF))); \
+ else \
+ ASET ((g), LGLYPH_IX_CODE, make_number (val)); \
+ } while (0)
+
+#define LGLYPH_SET_WIDTH(g, val) ASET ((g), LGLYPH_IX_WIDTH, make_number (val))
+#define LGLYPH_SET_LBEARING(g, val) ASET ((g), LGLYPH_IX_LBEARING, make_number (val))
+#define LGLYPH_SET_RBEARING(g, val) ASET ((g), LGLYPH_IX_RBEARING, make_number (val))
+#define LGLYPH_SET_ASCENT(g, val) ASET ((g), LGLYPH_IX_ASCENT, make_number (val))
+#define LGLYPH_SET_DESCENT(g, val) ASET ((g), LGLYPH_IX_DESCENT, make_number (val))
+#define LGLYPH_SET_ADJUSTMENT(g, val) ASET ((g), LGLYPH_IX_ADJUSTMENT, (val))
+
+#define LGLYPH_XOFF(g) (VECTORP (LGLYPH_ADJUSTMENT (g)) \
+ ? XINT (AREF (LGLYPH_ADJUSTMENT (g), 0)) : 0)
+#define LGLYPH_YOFF(g) (VECTORP (LGLYPH_ADJUSTMENT (g)) \
+ ? XINT (AREF (LGLYPH_ADJUSTMENT (g), 1)) : 0)
+#define LGLYPH_WADJUST(g) (VECTORP (LGLYPH_ADJUSTMENT (g)) \
+ ? XINT (AREF (LGLYPH_ADJUSTMENT (g), 2)) : 0)
+
+struct composition_it;
+struct face;
+struct font_metrics;
+
+extern Lisp_Object composition_gstring_put_cache P_ ((Lisp_Object, int));
+extern Lisp_Object composition_gstring_from_id P_ ((int));
+extern int composition_gstring_p P_ ((Lisp_Object));
+extern int composition_gstring_width P_ ((Lisp_Object, int, int,
+ struct font_metrics *));
+
+extern void composition_compute_stop_pos P_ ((struct composition_it *,
+ EMACS_INT, EMACS_INT, EMACS_INT,
+ Lisp_Object));
+extern int composition_reseat_it P_ ((struct composition_it *,
+ EMACS_INT, EMACS_INT, EMACS_INT,
+ struct window *, struct face *,
+ Lisp_Object));
+extern int composition_update_it P_ ((struct composition_it *,
+ EMACS_INT, EMACS_INT, Lisp_Object));
+
+extern int composition_adjust_point P_ ((EMACS_INT));
+
EXFUN (Fcompose_region_internal, 4);
EXFUN (Fcompose_string_internal, 5);
+EXFUN (Fcomposition_get_gstring, 4);
#endif /* not EMACS_COMPOSITE_H */