3 Copyright (C) 2001-2012 Free Software Foundation, Inc.
4 Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
5 2005, 2006, 2007, 2008, 2009, 2010, 2011
6 National Institute of Advanced Industrial Science and Technology (AIST)
7 Registration Number H14PRO021
8 Copyright (C) 2003, 2006
9 National Institute of Advanced Industrial Science and Technology (AIST)
10 Registration Number H13PRO009
12 This file is part of GNU Emacs.
14 GNU Emacs is free software: you can redistribute it and/or modify
15 it under the terms of the GNU General Public License as published by
16 the Free Software Foundation, either version 3 of the License, or
17 (at your option) any later version.
19 GNU Emacs is distributed in the hope that it will be useful,
20 but WITHOUT ANY WARRANTY; without even the implied warranty of
21 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 GNU General Public License for more details.
24 You should have received a copy of the GNU General Public License
25 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
32 #include "blockinput.h"
33 #include "character.h"
39 #include "dispextern.h"
40 #include "intervals.h"
52 #include "termhooks.h"
58 A fontset is a collection of font related information to give
59 similar appearance (style, etc) of characters. A fontset has two
60 roles. One is to use for the frame parameter `font' as if it is an
61 ASCII font. In that case, Emacs uses the font specified for
62 `ascii' script for the frame's default font.
64 Another role, the more important one, is to provide information
65 about which font to use for each non-ASCII character.
67 There are two kinds of fontsets; base and realized. A base fontset
68 is created by `new-fontset' from Emacs Lisp explicitly. A realized
69 fontset is created implicitly when a face is realized for ASCII
70 characters. A face is also realized for non-ASCII characters based
71 on an ASCII face. All of non-ASCII faces based on the same ASCII
72 face share the same realized fontset.
74 A fontset object is implemented by a char-table whose default value
75 and parent are always nil.
77 An element of a base fontset is a vector of FONT-DEFs which itself
78 is a vector [ FONT-SPEC ENCODING REPERTORY ].
80 An element of a realized fontset is nil, t, 0, or a vector of this
83 [ CHARSET-ORDERED-LIST-TICK PREFERRED-RFONT-DEF
84 RFONT-DEF0 RFONT-DEF1 ... ]
86 RFONT-DEFn (i.e. Realized FONT-DEF) has this form:
88 [ FACE-ID FONT-DEF FONT-OBJECT SORTING-SCORE ]
90 RFONT-DEFn are automatically reordered by the current charset
93 The value nil means that we have not yet generated the above vector
94 from the base of the fontset.
96 The value t means that no font is available for the corresponding
99 The value 0 means that no font is available for the corresponding
100 range of characters in this fontset, but may be available in the
104 A fontset has 9 extra slots.
106 The 1st slot: the ID number of the fontset
109 base: the name of the fontset
114 realized: the base fontset
118 realized: the frame that the fontset belongs to
121 base: the font name for ASCII characters
126 realized: the ID number of a face to use for characters that
127 has no font in a realized fontset.
131 realized: Alist of font index vs the corresponding repertory
136 realized: If the base is not the default fontset, a fontset
137 realized from the default fontset, else nil.
140 base: Same as element value (but for fallback fonts).
143 All fontsets are recorded in the vector Vfontset_table.
148 There's a special base fontset named `default fontset' which
149 defines the default font specifications. When a base fontset
150 doesn't specify a font for a specific character, the corresponding
151 value in the default fontset is used.
153 The parent of a realized fontset created for such a face that has
154 no fontset is the default fontset.
157 These structures are hidden from the other codes than this file.
158 The other codes handle fontsets only by their ID numbers. They
159 usually use the variable name `fontset' for IDs. But, in this
160 file, we always use variable name `id' for IDs, and name `fontset'
161 for an actual fontset object, i.e., char-table.
165 /********** VARIABLES and FUNCTION PROTOTYPES **********/
167 static Lisp_Object Qfontset
;
168 static Lisp_Object Qfontset_info
;
169 static Lisp_Object Qprepend
, Qappend
;
172 /* Vector containing all fontsets. */
173 static Lisp_Object Vfontset_table
;
175 /* Next possibly free fontset ID. Usually this keeps the minimum
176 fontset ID not yet used. */
177 static int next_fontset_id
;
179 /* The default fontset. This gives default FAMILY and REGISTRY of
180 font for each character. */
181 static Lisp_Object Vdefault_fontset
;
183 /* Check if any window system is used now. */
184 void (*check_window_system_func
) (void);
187 /* Prototype declarations for static functions. */
188 static Lisp_Object
fontset_add (Lisp_Object
, Lisp_Object
, Lisp_Object
,
190 static Lisp_Object
fontset_find_font (Lisp_Object
, int, struct face
*,
192 static void reorder_font_vector (Lisp_Object
, struct font
*);
193 static Lisp_Object
fontset_font (Lisp_Object
, int, struct face
*, int);
194 static Lisp_Object
make_fontset (Lisp_Object
, Lisp_Object
, Lisp_Object
);
195 static Lisp_Object
fontset_pattern_regexp (Lisp_Object
);
196 static void accumulate_script_ranges (Lisp_Object
, Lisp_Object
,
198 static void set_fontset_font (Lisp_Object
, Lisp_Object
);
200 /* Return 1 if ID is a valid fontset id, else return 0.
201 Optimized away if ENABLE_CHECKING is not defined. */
204 fontset_id_valid_p (int id
)
206 return (id
>= 0 && id
< ASIZE (Vfontset_table
) - 1);
211 /********** MACROS AND FUNCTIONS TO HANDLE FONTSET **********/
213 /* Return the fontset with ID. No check of ID's validness. */
214 #define FONTSET_FROM_ID(id) AREF (Vfontset_table, id)
216 /* Access special values of FONTSET. */
218 #define FONTSET_ID(fontset) XCHAR_TABLE (fontset)->extras[0]
220 set_fontset_id (Lisp_Object fontset
, Lisp_Object id
)
222 set_char_table_extras (fontset
, 0, id
);
225 /* Access special values of (base) FONTSET. */
227 #define FONTSET_NAME(fontset) XCHAR_TABLE (fontset)->extras[1]
229 set_fontset_name (Lisp_Object fontset
, Lisp_Object name
)
231 set_char_table_extras (fontset
, 1, name
);
234 #define FONTSET_ASCII(fontset) XCHAR_TABLE (fontset)->extras[4]
236 set_fontset_ascii (Lisp_Object fontset
, Lisp_Object ascii
)
238 set_char_table_extras (fontset
, 4, ascii
);
241 /* Access special values of (realized) FONTSET. */
243 #define FONTSET_BASE(fontset) XCHAR_TABLE (fontset)->extras[2]
245 set_fontset_base (Lisp_Object fontset
, Lisp_Object base
)
247 set_char_table_extras (fontset
, 2, base
);
250 #define FONTSET_FRAME(fontset) XCHAR_TABLE (fontset)->extras[3]
252 set_fontset_frame (Lisp_Object fontset
, Lisp_Object frame
)
254 set_char_table_extras (fontset
, 3, frame
);
257 #define FONTSET_NOFONT_FACE(fontset) XCHAR_TABLE (fontset)->extras[5]
259 set_fontset_nofont_face (Lisp_Object fontset
, Lisp_Object face
)
261 set_char_table_extras (fontset
, 5, face
);
264 #define FONTSET_DEFAULT(fontset) XCHAR_TABLE (fontset)->extras[7]
266 set_fontset_default (Lisp_Object fontset
, Lisp_Object def
)
268 set_char_table_extras (fontset
, 7, def
);
271 /* For both base and realized fontset. */
273 #define FONTSET_FALLBACK(fontset) XCHAR_TABLE (fontset)->extras[8]
275 set_fontset_fallback (Lisp_Object fontset
, Lisp_Object fallback
)
277 set_char_table_extras (fontset
, 8, fallback
);
280 #define BASE_FONTSET_P(fontset) (NILP (FONTSET_BASE (fontset)))
282 /* Macros for FONT-DEF and RFONT-DEF of fontset. */
283 #define FONT_DEF_NEW(font_def, font_spec, encoding, repertory) \
285 (font_def) = Fmake_vector (make_number (3), (font_spec)); \
286 ASET ((font_def), 1, encoding); \
287 ASET ((font_def), 2, repertory); \
290 #define FONT_DEF_SPEC(font_def) AREF (font_def, 0)
291 #define FONT_DEF_ENCODING(font_def) AREF (font_def, 1)
292 #define FONT_DEF_REPERTORY(font_def) AREF (font_def, 2)
294 #define RFONT_DEF_FACE(rfont_def) AREF (rfont_def, 0)
295 #define RFONT_DEF_SET_FACE(rfont_def, face_id) \
296 ASET ((rfont_def), 0, make_number (face_id))
297 #define RFONT_DEF_FONT_DEF(rfont_def) AREF (rfont_def, 1)
298 #define RFONT_DEF_SPEC(rfont_def) FONT_DEF_SPEC (AREF (rfont_def, 1))
299 #define RFONT_DEF_OBJECT(rfont_def) AREF (rfont_def, 2)
300 #define RFONT_DEF_SET_OBJECT(rfont_def, object) \
301 ASET ((rfont_def), 2, (object))
302 /* Score of RFONT_DEF is an integer value; the lowest 8 bits represent
303 the order of listing by font backends, the higher bits represents
304 the order given by charset priority list. The smaller value is
306 #define RFONT_DEF_SCORE(rfont_def) XINT (AREF (rfont_def, 3))
307 #define RFONT_DEF_SET_SCORE(rfont_def, score) \
308 ASET ((rfont_def), 3, make_number (score))
309 #define RFONT_DEF_NEW(rfont_def, font_def) \
311 (rfont_def) = Fmake_vector (make_number (4), Qnil); \
312 ASET ((rfont_def), 1, (font_def)); \
313 RFONT_DEF_SET_SCORE ((rfont_def), 0); \
317 /* Return the element of FONTSET for the character C. If FONTSET is a
318 base fontset other then the default fontset and FONTSET doesn't
319 contain information for C, return the information in the default
322 #define FONTSET_REF(fontset, c) \
323 (EQ (fontset, Vdefault_fontset) \
324 ? CHAR_TABLE_REF (fontset, c) \
325 : fontset_ref ((fontset), (c)))
328 fontset_ref (Lisp_Object fontset
, int c
)
332 elt
= CHAR_TABLE_REF (fontset
, c
);
333 if (NILP (elt
) && ! EQ (fontset
, Vdefault_fontset
)
334 /* Don't check Vdefault_fontset for a realized fontset. */
335 && NILP (FONTSET_BASE (fontset
)))
336 elt
= CHAR_TABLE_REF (Vdefault_fontset
, c
);
340 /* Set elements of FONTSET for characters in RANGE to the value ELT.
341 RANGE is a cons (FROM . TO), where FROM and TO are character codes
342 specifying a range. */
344 #define FONTSET_SET(fontset, range, elt) \
345 Fset_char_table_range ((fontset), (range), (elt))
348 /* Modify the elements of FONTSET for characters in RANGE by replacing
349 with ELT or adding ELT. RANGE is a cons (FROM . TO), where FROM
350 and TO are character codes specifying a range. If ADD is nil,
351 replace with ELT, if ADD is `prepend', prepend ELT, otherwise,
354 #define FONTSET_ADD(fontset, range, elt, add) \
357 ? (set_fontset_fallback \
358 (fontset, Fmake_vector (make_number (1), (elt)))) \
359 : Fset_char_table_range ((fontset), (range), \
360 Fmake_vector (make_number (1), (elt)))) \
361 : fontset_add ((fontset), (range), (elt), (add)))
364 fontset_add (Lisp_Object fontset
, Lisp_Object range
, Lisp_Object elt
, Lisp_Object add
)
367 int idx
= (EQ (add
, Qappend
) ? 0 : 1);
369 args
[1 - idx
] = Fmake_vector (make_number (1), elt
);
373 int from
= XINT (XCAR (range
));
374 int to
= XINT (XCDR (range
));
378 from1
= from
, to1
= to
;
379 args
[idx
] = char_table_ref_and_range (fontset
, from
, &from1
, &to1
);
380 char_table_set_range (fontset
, from
, to1
,
381 NILP (args
[idx
]) ? args
[1 - idx
]
382 : Fvconcat (2, args
));
388 args
[idx
] = FONTSET_FALLBACK (fontset
);
390 (fontset
, NILP (args
[idx
]) ? args
[1 - idx
] : Fvconcat (2, args
));
396 fontset_compare_rfontdef (const void *val1
, const void *val2
)
398 return (RFONT_DEF_SCORE (*(Lisp_Object
*) val1
)
399 - RFONT_DEF_SCORE (*(Lisp_Object
*) val2
));
402 /* Update FONT-GROUP which has this form:
403 [ CHARSET-ORDERED-LIST-TICK PREFERRED-RFONT-DEF
404 RFONT-DEF0 RFONT-DEF1 ... ]
405 Reorder RFONT-DEFs according to the current language, and update
406 CHARSET-ORDERED-LIST-TICK.
408 If PREFERRED_FAMILY is not nil, that family has the higher priority
409 if the encoding charsets or languages in font-specs are the same. */
412 reorder_font_vector (Lisp_Object font_group
, struct font
*font
)
414 Lisp_Object vec
, font_object
;
417 int score_changed
= 0;
420 XSETFONT (font_object
, font
);
424 vec
= XCDR (font_group
);
426 /* Exclude the tailing nil element from the reordering. */
427 if (NILP (AREF (vec
, size
- 1)))
430 for (i
= 0; i
< size
; i
++)
432 Lisp_Object rfont_def
= AREF (vec
, i
);
433 Lisp_Object font_def
= RFONT_DEF_FONT_DEF (rfont_def
);
434 Lisp_Object font_spec
= FONT_DEF_SPEC (font_def
);
435 int score
= RFONT_DEF_SCORE (rfont_def
) & 0xFF;
436 Lisp_Object otf_spec
= Ffont_get (font_spec
, QCotf
);
438 if (! NILP (otf_spec
))
439 /* A font-spec with :otf is preferable regardless of encoding
442 else if (! font_match_p (font_spec
, font_object
))
444 Lisp_Object encoding
= FONT_DEF_ENCODING (font_def
);
446 if (! NILP (encoding
))
450 for (tail
= Vcharset_ordered_list
;
451 ! EQ (tail
, Vcharset_non_preferred_head
) && CONSP (tail
);
453 if (EQ (encoding
, XCAR (tail
)))
455 else if (score
<= min (INT_MAX
, MOST_POSITIVE_FIXNUM
) - 0x100)
460 Lisp_Object lang
= Ffont_get (font_spec
, QClang
);
463 && ! EQ (lang
, Vcurrent_iso639_language
)
464 && (! CONSP (Vcurrent_iso639_language
)
465 || NILP (Fmemq (lang
, Vcurrent_iso639_language
))))
469 if (RFONT_DEF_SCORE (rfont_def
) != score
)
471 RFONT_DEF_SET_SCORE (rfont_def
, score
);
477 qsort (XVECTOR (vec
)->contents
, size
, word_size
,
478 fontset_compare_rfontdef
);
479 XSETCAR (font_group
, make_number (charset_ordered_list_tick
));
482 /* Return a font-group (actually a cons (-1 . FONT-GROUP-VECTOR)) for
483 character C in FONTSET. If C is -1, return a fallback font-group.
484 If C is not -1, the value may be Qt (FONTSET doesn't have a font
485 for C even in the fallback group), or 0 (a font for C may be found
486 only in the fallback group). */
489 fontset_get_font_group (Lisp_Object fontset
, int c
)
491 Lisp_Object font_group
;
492 Lisp_Object base_fontset
;
493 int from
= 0, to
= MAX_CHAR
, i
;
495 eassert (! BASE_FONTSET_P (fontset
));
497 font_group
= CHAR_TABLE_REF (fontset
, c
);
499 font_group
= FONTSET_FALLBACK (fontset
);
500 if (! NILP (font_group
))
502 base_fontset
= FONTSET_BASE (fontset
);
503 if (NILP (base_fontset
))
506 font_group
= char_table_ref_and_range (base_fontset
, c
, &from
, &to
);
508 font_group
= FONTSET_FALLBACK (base_fontset
);
509 if (NILP (font_group
))
511 font_group
= make_number (0);
513 char_table_set_range (fontset
, from
, to
, font_group
);
516 if (!VECTORP (font_group
))
518 font_group
= Fcopy_sequence (font_group
);
519 for (i
= 0; i
< ASIZE (font_group
); i
++)
520 if (! NILP (AREF (font_group
, i
)))
522 Lisp_Object rfont_def
;
524 RFONT_DEF_NEW (rfont_def
, AREF (font_group
, i
));
525 /* Remember the original order. */
526 RFONT_DEF_SET_SCORE (rfont_def
, i
);
527 ASET (font_group
, i
, rfont_def
);
529 font_group
= Fcons (make_number (-1), font_group
);
531 char_table_set_range (fontset
, from
, to
, font_group
);
533 set_fontset_fallback (fontset
, font_group
);
537 /* Return RFONT-DEF (vector) in the realized fontset FONTSET for the
538 character C. If no font is found, return Qnil if there's a
539 possibility that the default fontset or the fallback font groups
540 have a proper font, and return Qt if not.
542 If a font is found but is not yet opened, open it (if FACE is not
543 NULL) or return Qnil (if FACE is NULL).
545 ID is a charset-id that must be preferred, or -1 meaning no
548 If FALLBACK is nonzero, search only fallback fonts. */
551 fontset_find_font (Lisp_Object fontset
, int c
, struct face
*face
, int id
, int fallback
)
553 Lisp_Object vec
, font_group
;
554 int i
, charset_matched
= 0, found_index
;
555 FRAME_PTR f
= (FRAMEP (FONTSET_FRAME (fontset
))
556 ? XFRAME (FONTSET_FRAME (fontset
)) : XFRAME (selected_frame
));
557 Lisp_Object rfont_def
;
559 font_group
= fontset_get_font_group (fontset
, fallback
? -1 : c
);
560 if (! CONSP (font_group
))
562 vec
= XCDR (font_group
);
563 if (ASIZE (vec
) == 0)
568 if (XINT (XCAR (font_group
)) != charset_ordered_list_tick
)
569 /* We have just created the font-group,
570 or the charset priorities were changed. */
571 reorder_font_vector (font_group
, face
->ascii_face
->font
);
573 /* Find a spec matching with the charset ID to try at
575 for (i
= 0; i
< ASIZE (vec
); i
++)
577 Lisp_Object repertory
;
579 rfont_def
= AREF (vec
, i
);
580 if (NILP (rfont_def
))
582 repertory
= FONT_DEF_REPERTORY (RFONT_DEF_FONT_DEF (rfont_def
));
584 if (XINT (repertory
) == id
)
592 /* Find the first available font in the vector of RFONT-DEF. */
593 for (i
= 0; i
< ASIZE (vec
); i
++)
595 Lisp_Object font_def
;
596 Lisp_Object font_entity
, font_object
;
601 if (charset_matched
> 0)
603 /* Try the element matching with the charset ID at first. */
604 found_index
= charset_matched
;
605 /* Make this negative so that we don't come here in the
607 charset_matched
= - charset_matched
;
608 /* We must try the first element in the next loop. */
612 else if (i
== - charset_matched
)
614 /* We have already tried this element and the followings
615 that have the same font specifications in the first
616 iteration. So, skip them all. */
617 rfont_def
= AREF (vec
, i
);
618 font_def
= RFONT_DEF_FONT_DEF (rfont_def
);
619 for (; i
+ 1 < ASIZE (vec
); i
++)
621 rfont_def
= AREF (vec
, i
+ 1);
622 if (NILP (rfont_def
))
624 if (! EQ (RFONT_DEF_FONT_DEF (rfont_def
), font_def
))
630 rfont_def
= AREF (vec
, found_index
);
631 if (NILP (rfont_def
))
635 /* This is a sign of not to try the other fonts. */
638 if (INTEGERP (RFONT_DEF_FACE (rfont_def
))
639 && XINT (RFONT_DEF_FACE (rfont_def
)) < 0)
640 /* We couldn't open this font last time. */
643 font_object
= RFONT_DEF_OBJECT (rfont_def
);
644 if (NILP (font_object
))
646 font_def
= RFONT_DEF_FONT_DEF (rfont_def
);
649 /* We have not yet opened the font. */
651 /* Find a font best-matching with the spec without checking
652 the support of the character C. That checking is costly,
653 and even without the checking, the found font supports C
654 in high possibility. */
655 font_entity
= font_find_for_lface (f
, face
->lface
,
656 FONT_DEF_SPEC (font_def
), -1);
657 if (NILP (font_entity
))
659 /* Record that no font matches the spec. */
660 RFONT_DEF_SET_FACE (rfont_def
, -1);
663 font_object
= font_open_for_lface (f
, font_entity
, face
->lface
,
664 FONT_DEF_SPEC (font_def
));
665 if (NILP (font_object
))
667 /* Something strange happened, perhaps because of a
668 Font-backend problem. Too avoid crashing, record
669 that this spec is unusable. It may be better to find
670 another font of the same spec, but currently we don't
672 RFONT_DEF_SET_FACE (rfont_def
, -1);
675 RFONT_DEF_SET_OBJECT (rfont_def
, font_object
);
678 if (font_has_char (f
, font_object
, c
))
681 /* Find a font already opened, matching with the current spec,
683 font_def
= RFONT_DEF_FONT_DEF (rfont_def
);
684 for (; found_index
+ 1 < ASIZE (vec
); found_index
++)
686 rfont_def
= AREF (vec
, found_index
+ 1);
687 if (NILP (rfont_def
))
689 if (! EQ (RFONT_DEF_FONT_DEF (rfont_def
), font_def
))
691 font_object
= RFONT_DEF_OBJECT (rfont_def
);
692 if (! NILP (font_object
) && font_has_char (f
, font_object
, c
))
699 /* Find a font-entity with the current spec and supporting C. */
700 font_entity
= font_find_for_lface (f
, face
->lface
,
701 FONT_DEF_SPEC (font_def
), c
);
702 if (! NILP (font_entity
))
704 /* We found a font. Open it and insert a new element for
709 font_object
= font_open_for_lface (f
, font_entity
, face
->lface
,
711 if (NILP (font_object
))
713 RFONT_DEF_NEW (rfont_def
, font_def
);
714 RFONT_DEF_SET_OBJECT (rfont_def
, font_object
);
715 RFONT_DEF_SET_SCORE (rfont_def
, RFONT_DEF_SCORE (rfont_def
));
716 new_vec
= Fmake_vector (make_number (ASIZE (vec
) + 1), Qnil
);
718 for (j
= 0; j
< found_index
; j
++)
719 ASET (new_vec
, j
, AREF (vec
, j
));
720 ASET (new_vec
, j
, rfont_def
);
721 for (j
++; j
< ASIZE (new_vec
); j
++)
722 ASET (new_vec
, j
, AREF (vec
, j
- 1));
723 XSETCDR (font_group
, new_vec
);
731 FONTSET_SET (fontset
, make_number (c
), make_number (0));
735 if (fallback
&& found_index
> 0)
737 /* The order of fonts in the fallback font-group is not that
738 important, and it is better to move the found font to the
739 first of the group so that the next try will find it
741 for (i
= found_index
; i
> 0; i
--)
742 ASET (vec
, i
, AREF (vec
, i
- 1));
743 ASET (vec
, 0, rfont_def
);
750 fontset_font (Lisp_Object fontset
, int c
, struct face
*face
, int id
)
752 Lisp_Object rfont_def
, default_rfont_def
IF_LINT (= Qnil
);
753 Lisp_Object base_fontset
;
755 /* Try a font-group of FONTSET. */
756 FONT_DEFERRED_LOG ("current fontset: font for", make_number (c
), Qnil
);
757 rfont_def
= fontset_find_font (fontset
, c
, face
, id
, 0);
758 if (VECTORP (rfont_def
))
760 if (NILP (rfont_def
))
761 FONTSET_SET (fontset
, make_number (c
), make_number (0));
763 /* Try a font-group of the default fontset. */
764 base_fontset
= FONTSET_BASE (fontset
);
765 if (! EQ (base_fontset
, Vdefault_fontset
))
767 if (NILP (FONTSET_DEFAULT (fontset
)))
770 make_fontset (FONTSET_FRAME (fontset
), Qnil
, Vdefault_fontset
));
771 FONT_DEFERRED_LOG ("default fontset: font for", make_number (c
), Qnil
);
773 = fontset_find_font (FONTSET_DEFAULT (fontset
), c
, face
, id
, 0);
774 if (VECTORP (default_rfont_def
))
775 return default_rfont_def
;
776 if (NILP (default_rfont_def
))
777 FONTSET_SET (FONTSET_DEFAULT (fontset
), make_number (c
),
781 /* Try a fallback font-group of FONTSET. */
782 if (! EQ (rfont_def
, Qt
))
784 FONT_DEFERRED_LOG ("current fallback: font for", make_number (c
), Qnil
);
785 rfont_def
= fontset_find_font (fontset
, c
, face
, id
, 1);
786 if (VECTORP (rfont_def
))
788 /* Remember that FONTSET has no font for C. */
789 FONTSET_SET (fontset
, make_number (c
), Qt
);
792 /* Try a fallback font-group of the default fontset. */
793 if (! EQ (base_fontset
, Vdefault_fontset
)
794 && ! EQ (default_rfont_def
, Qt
))
796 FONT_DEFERRED_LOG ("default fallback: font for", make_number (c
), Qnil
);
797 rfont_def
= fontset_find_font (FONTSET_DEFAULT (fontset
), c
, face
, id
, 1);
798 if (VECTORP (rfont_def
))
800 /* Remember that the default fontset has no font for C. */
801 FONTSET_SET (FONTSET_DEFAULT (fontset
), make_number (c
), Qt
);
807 /* Return a newly created fontset with NAME. If BASE is nil, make a
808 base fontset. Otherwise make a realized fontset whose base is
812 make_fontset (Lisp_Object frame
, Lisp_Object name
, Lisp_Object base
)
815 int size
= ASIZE (Vfontset_table
);
816 int id
= next_fontset_id
;
818 /* Find a free slot in Vfontset_table. Usually, next_fontset_id is
819 the next available fontset ID. So it is expected that this loop
820 terminates quickly. In addition, as the last element of
821 Vfontset_table is always nil, we don't have to check the range of
823 while (!NILP (AREF (Vfontset_table
, id
))) id
++;
826 Vfontset_table
= larger_vector (Vfontset_table
, 1, -1);
828 fontset
= Fmake_char_table (Qfontset
, Qnil
);
830 set_fontset_id (fontset
, make_number (id
));
832 set_fontset_name (fontset
, name
);
835 set_fontset_name (fontset
, Qnil
);
836 set_fontset_frame (fontset
, frame
);
837 set_fontset_base (fontset
, base
);
840 ASET (Vfontset_table
, id
, fontset
);
841 next_fontset_id
= id
+ 1;
846 /********** INTERFACES TO xfaces.c, xfns.c, and dispextern.h **********/
848 /* Return the name of the fontset who has ID. */
851 fontset_name (int id
)
855 fontset
= FONTSET_FROM_ID (id
);
856 return FONTSET_NAME (fontset
);
860 /* Return the ASCII font name of the fontset who has ID. */
863 fontset_ascii (int id
)
865 Lisp_Object fontset
, elt
;
867 fontset
= FONTSET_FROM_ID (id
);
868 elt
= FONTSET_ASCII (fontset
);
875 free_realized_fontset (FRAME_PTR f
, Lisp_Object fontset
)
881 for (tail
= FONTSET_OBJLIST (fontset
); CONSP (tail
); tail
= XCDR (tail
))
883 eassert (FONT_OBJECT_P (XCAR (tail
)));
884 font_close_object (f
, XCAR (tail
));
889 /* Free fontset of FACE defined on frame F. Called from
890 free_realized_face. */
893 free_face_fontset (FRAME_PTR f
, struct face
*face
)
897 fontset
= FONTSET_FROM_ID (face
->fontset
);
900 eassert (! BASE_FONTSET_P (fontset
));
901 eassert (f
== XFRAME (FONTSET_FRAME (fontset
)));
902 free_realized_fontset (f
, fontset
);
903 ASET (Vfontset_table
, face
->fontset
, Qnil
);
904 if (face
->fontset
< next_fontset_id
)
905 next_fontset_id
= face
->fontset
;
906 if (! NILP (FONTSET_DEFAULT (fontset
)))
908 int id
= XINT (FONTSET_ID (FONTSET_DEFAULT (fontset
)));
910 fontset
= AREF (Vfontset_table
, id
);
911 eassert (!NILP (fontset
) && ! BASE_FONTSET_P (fontset
));
912 eassert (f
== XFRAME (FONTSET_FRAME (fontset
)));
913 free_realized_fontset (f
, fontset
);
914 ASET (Vfontset_table
, id
, Qnil
);
915 if (id
< next_fontset_id
)
916 next_fontset_id
= face
->fontset
;
923 /* Return 1 if FACE is suitable for displaying character C.
924 Otherwise return 0. Called from the macro FACE_SUITABLE_FOR_CHAR_P
925 when C is not an ASCII character. */
928 face_suitable_for_char_p (struct face
*face
, int c
)
930 Lisp_Object fontset
, rfont_def
;
932 fontset
= FONTSET_FROM_ID (face
->fontset
);
933 rfont_def
= fontset_font (fontset
, c
, NULL
, -1);
934 return (VECTORP (rfont_def
)
935 && INTEGERP (RFONT_DEF_FACE (rfont_def
))
936 && face
->id
== XINT (RFONT_DEF_FACE (rfont_def
)));
941 /* Return ID of face suitable for displaying character C on frame F.
942 FACE must be realized for ASCII characters in advance. Called from
943 the macro FACE_FOR_CHAR. */
946 face_for_char (FRAME_PTR f
, struct face
*face
, int c
, int pos
, Lisp_Object object
)
948 Lisp_Object fontset
, rfont_def
, charset
;
952 /* If face->fontset is negative (that happens when no font is found
953 for face), just return face->ascii_face because we can't do
954 anything. Perhaps, we should fix the callers to assure
955 that face->fontset is always valid. */
956 if (ASCII_CHAR_P (c
) || face
->fontset
< 0)
957 return face
->ascii_face
->id
;
959 eassert (fontset_id_valid_p (face
->fontset
));
960 fontset
= FONTSET_FROM_ID (face
->fontset
);
961 eassert (!BASE_FONTSET_P (fontset
));
970 charset
= Fget_char_property (make_number (pos
), Qcharset
, object
);
971 if (CHARSETP (charset
))
975 val
= assq_no_quit (charset
, Vfont_encoding_charset_alist
);
976 if (CONSP (val
) && CHARSETP (XCDR (val
)))
977 charset
= XCDR (val
);
978 id
= XINT (CHARSET_SYMBOL_ID (charset
));
984 rfont_def
= fontset_font (fontset
, c
, face
, id
);
985 if (VECTORP (rfont_def
))
987 if (INTEGERP (RFONT_DEF_FACE (rfont_def
)))
988 face_id
= XINT (RFONT_DEF_FACE (rfont_def
));
991 Lisp_Object font_object
;
993 font_object
= RFONT_DEF_OBJECT (rfont_def
);
994 face_id
= face_for_font (f
, font_object
, face
);
995 RFONT_DEF_SET_FACE (rfont_def
, face_id
);
1000 if (INTEGERP (FONTSET_NOFONT_FACE (fontset
)))
1001 face_id
= XINT (FONTSET_NOFONT_FACE (fontset
));
1004 face_id
= face_for_font (f
, Qnil
, face
);
1005 set_fontset_nofont_face (fontset
, make_number (face_id
));
1008 eassert (face_id
>= 0);
1014 font_for_char (struct face
*face
, int c
, int pos
, Lisp_Object object
)
1016 Lisp_Object fontset
, rfont_def
, charset
;
1019 if (ASCII_CHAR_P (c
))
1021 Lisp_Object font_object
;
1023 XSETFONT (font_object
, face
->ascii_face
->font
);
1027 eassert (fontset_id_valid_p (face
->fontset
));
1028 fontset
= FONTSET_FROM_ID (face
->fontset
);
1029 eassert (!BASE_FONTSET_P (fontset
));
1037 charset
= Fget_char_property (make_number (pos
), Qcharset
, object
);
1038 if (CHARSETP (charset
))
1042 val
= assq_no_quit (charset
, Vfont_encoding_charset_alist
);
1043 if (CONSP (val
) && CHARSETP (XCDR (val
)))
1044 charset
= XCDR (val
);
1045 id
= XINT (CHARSET_SYMBOL_ID (charset
));
1051 rfont_def
= fontset_font (fontset
, c
, face
, id
);
1052 return (VECTORP (rfont_def
)
1053 ? RFONT_DEF_OBJECT (rfont_def
)
1058 /* Make a realized fontset for ASCII face FACE on frame F from the
1059 base fontset BASE_FONTSET_ID. If BASE_FONTSET_ID is -1, use the
1060 default fontset as the base. Value is the id of the new fontset.
1061 Called from realize_x_face. */
1064 make_fontset_for_ascii_face (FRAME_PTR f
, int base_fontset_id
, struct face
*face
)
1066 Lisp_Object base_fontset
, fontset
, frame
;
1068 XSETFRAME (frame
, f
);
1069 if (base_fontset_id
>= 0)
1071 base_fontset
= FONTSET_FROM_ID (base_fontset_id
);
1072 if (!BASE_FONTSET_P (base_fontset
))
1073 base_fontset
= FONTSET_BASE (base_fontset
);
1074 eassert (BASE_FONTSET_P (base_fontset
));
1077 base_fontset
= Vdefault_fontset
;
1079 fontset
= make_fontset (frame
, Qnil
, base_fontset
);
1080 return XINT (FONTSET_ID (fontset
));
1085 /* Cache data used by fontset_pattern_regexp. The car part is a
1086 pattern string containing at least one wild card, the cdr part is
1087 the corresponding regular expression. */
1088 static Lisp_Object Vcached_fontset_data
;
1090 #define CACHED_FONTSET_NAME SSDATA (XCAR (Vcached_fontset_data))
1091 #define CACHED_FONTSET_REGEX (XCDR (Vcached_fontset_data))
1093 /* If fontset name PATTERN contains any wild card, return regular
1094 expression corresponding to PATTERN. */
1097 fontset_pattern_regexp (Lisp_Object pattern
)
1099 if (!strchr (SSDATA (pattern
), '*')
1100 && !strchr (SSDATA (pattern
), '?'))
1101 /* PATTERN does not contain any wild cards. */
1104 if (!CONSP (Vcached_fontset_data
)
1105 || strcmp (SSDATA (pattern
), CACHED_FONTSET_NAME
))
1107 /* We must at first update the cached data. */
1108 unsigned char *regex
, *p0
, *p1
;
1109 int ndashes
= 0, nstars
= 0, nescs
= 0;
1111 for (p0
= SDATA (pattern
); *p0
; p0
++)
1115 else if (*p0
== '*')
1118 || *p0
== '.' || *p0
== '\\'
1119 || *p0
== '+' || *p0
== '^'
1124 /* If PATTERN is not full XLFD we convert "*" to ".*". Otherwise
1125 we convert "*" to "[^-]*" which is much faster in regular
1126 expression matching. */
1128 p1
= regex
= alloca (SBYTES (pattern
) + 2 * nstars
+ 2 * nescs
+ 1);
1130 p1
= regex
= alloca (SBYTES (pattern
) + 5 * nstars
+ 2 * nescs
+ 1);
1133 for (p0
= SDATA (pattern
); *p0
; p0
++)
1140 *p1
++ = '[', *p1
++ = '^', *p1
++ = '-', *p1
++ = ']';
1143 else if (*p0
== '?')
1146 || *p0
== '.' || *p0
== '\\'
1147 || *p0
== '+' || *p0
== '^'
1149 *p1
++ = '\\', *p1
++ = *p0
;
1156 Vcached_fontset_data
= Fcons (build_string (SSDATA (pattern
)),
1157 build_string ((char *) regex
));
1160 return CACHED_FONTSET_REGEX
;
1163 /* Return ID of the base fontset named NAME. If there's no such
1164 fontset, return -1. NAME_PATTERN specifies how to treat NAME as this:
1165 0: pattern containing '*' and '?' as wildcards
1166 1: regular expression
1167 2: literal fontset name
1171 fs_query_fontset (Lisp_Object name
, int name_pattern
)
1176 name
= Fdowncase (name
);
1177 if (name_pattern
!= 1)
1179 tem
= Frassoc (name
, Vfontset_alias_alist
);
1181 tem
= Fassoc (name
, Vfontset_alias_alist
);
1182 if (CONSP (tem
) && STRINGP (XCAR (tem
)))
1184 else if (name_pattern
== 0)
1186 tem
= fontset_pattern_regexp (name
);
1195 for (i
= 0; i
< ASIZE (Vfontset_table
); i
++)
1197 Lisp_Object fontset
, this_name
;
1199 fontset
= FONTSET_FROM_ID (i
);
1201 || !BASE_FONTSET_P (fontset
))
1204 this_name
= FONTSET_NAME (fontset
);
1205 if (name_pattern
== 1
1206 ? fast_string_match_ignore_case (name
, this_name
) >= 0
1207 : !xstrcasecmp (SSDATA (name
), SSDATA (this_name
)))
1214 DEFUN ("query-fontset", Fquery_fontset
, Squery_fontset
, 1, 2, 0,
1215 doc
: /* Return the name of a fontset that matches PATTERN.
1216 The value is nil if there is no matching fontset.
1217 PATTERN can contain `*' or `?' as a wildcard
1218 just as X font name matching algorithm allows.
1219 If REGEXPP is non-nil, PATTERN is a regular expression. */)
1220 (Lisp_Object pattern
, Lisp_Object regexpp
)
1222 Lisp_Object fontset
;
1225 (*check_window_system_func
) ();
1227 CHECK_STRING (pattern
);
1229 if (SCHARS (pattern
) == 0)
1232 id
= fs_query_fontset (pattern
, !NILP (regexpp
));
1236 fontset
= FONTSET_FROM_ID (id
);
1237 return FONTSET_NAME (fontset
);
1240 /* Return a list of base fontset names matching PATTERN on frame F. */
1243 list_fontsets (FRAME_PTR f
, Lisp_Object pattern
, int size
)
1245 Lisp_Object frame
, regexp
, val
;
1248 XSETFRAME (frame
, f
);
1250 regexp
= fontset_pattern_regexp (pattern
);
1253 for (id
= 0; id
< ASIZE (Vfontset_table
); id
++)
1255 Lisp_Object fontset
, name
;
1257 fontset
= FONTSET_FROM_ID (id
);
1259 || !BASE_FONTSET_P (fontset
)
1260 || !EQ (frame
, FONTSET_FRAME (fontset
)))
1262 name
= FONTSET_NAME (fontset
);
1264 if (STRINGP (regexp
)
1265 ? (fast_string_match (regexp
, name
) < 0)
1266 : strcmp (SSDATA (pattern
), SSDATA (name
)))
1269 val
= Fcons (Fcopy_sequence (FONTSET_NAME (fontset
)), val
);
1276 /* Free all realized fontsets whose base fontset is BASE. */
1279 free_realized_fontsets (Lisp_Object base
)
1284 /* For the moment, this doesn't work because free_realized_face
1285 doesn't remove FACE from a cache. Until we find a solution, we
1286 suppress this code, and simply use Fclear_face_cache even though
1287 that is not efficient. */
1289 for (id
= 0; id
< ASIZE (Vfontset_table
); id
++)
1291 Lisp_Object
this = AREF (Vfontset_table
, id
);
1293 if (EQ (FONTSET_BASE (this), base
))
1297 for (tail
= FONTSET_FACE_ALIST (this); CONSP (tail
);
1300 FRAME_PTR f
= XFRAME (FONTSET_FRAME (this));
1301 int face_id
= XINT (XCDR (XCAR (tail
)));
1302 struct face
*face
= FACE_FROM_ID (f
, face_id
);
1304 /* Face THIS itself is also freed by the following call. */
1305 free_realized_face (f
, face
);
1311 /* But, we don't have to call Fclear_face_cache if no fontset has
1312 been realized from BASE. */
1313 for (id
= 0; id
< ASIZE (Vfontset_table
); id
++)
1315 Lisp_Object
this = AREF (Vfontset_table
, id
);
1317 if (CHAR_TABLE_P (this) && EQ (FONTSET_BASE (this), base
))
1319 Fclear_face_cache (Qt
);
1327 /* Check validity of NAME as a fontset name and return the
1328 corresponding fontset. If not valid, signal an error.
1330 If NAME is t, return Vdefault_fontset. If NAME is nil, return the
1333 Set *FRAME to the actual frame. */
1336 check_fontset_name (Lisp_Object name
, Lisp_Object
*frame
)
1341 *frame
= selected_frame
;
1342 CHECK_LIVE_FRAME (*frame
);
1345 return Vdefault_fontset
;
1348 id
= FRAME_FONTSET (XFRAME (*frame
));
1352 CHECK_STRING (name
);
1353 /* First try NAME as literal. */
1354 id
= fs_query_fontset (name
, 2);
1356 /* For backward compatibility, try again NAME as pattern. */
1357 id
= fs_query_fontset (name
, 0);
1359 error ("Fontset `%s' does not exist", SDATA (name
));
1361 return FONTSET_FROM_ID (id
);
1365 accumulate_script_ranges (Lisp_Object arg
, Lisp_Object range
, Lisp_Object val
)
1367 if (EQ (XCAR (arg
), val
))
1370 XSETCDR (arg
, Fcons (Fcons (XCAR (range
), XCDR (range
)), XCDR (arg
)));
1372 XSETCDR (arg
, Fcons (Fcons (range
, range
), XCDR (arg
)));
1377 /* Callback function for map_charset_chars in Fset_fontset_font.
1378 ARG is a vector [ FONTSET FONT_DEF ADD ASCII SCRIPT_RANGE_LIST ].
1380 In FONTSET, set FONT_DEF in a fashion specified by ADD for
1381 characters in RANGE and ranges in SCRIPT_RANGE_LIST before RANGE.
1382 The consumed ranges are popped up from SCRIPT_RANGE_LIST, and the
1383 new SCRIPT_RANGE_LIST is stored in ARG.
1385 If ASCII is nil, don't set FONT_DEF for ASCII characters. It is
1386 assured that SCRIPT_RANGE_LIST doesn't contain ASCII in that
1390 set_fontset_font (Lisp_Object arg
, Lisp_Object range
)
1392 Lisp_Object fontset
, font_def
, add
, ascii
, script_range_list
;
1393 int from
= XINT (XCAR (range
)), to
= XINT (XCDR (range
));
1395 fontset
= AREF (arg
, 0);
1396 font_def
= AREF (arg
, 1);
1397 add
= AREF (arg
, 2);
1398 ascii
= AREF (arg
, 3);
1399 script_range_list
= AREF (arg
, 4);
1401 if (NILP (ascii
) && from
< 0x80)
1406 range
= Fcons (make_number (0x80), XCDR (range
));
1409 #define SCRIPT_FROM XINT (XCAR (XCAR (script_range_list)))
1410 #define SCRIPT_TO XINT (XCDR (XCAR (script_range_list)))
1411 #define POP_SCRIPT_RANGE() script_range_list = XCDR (script_range_list)
1413 for (; CONSP (script_range_list
) && SCRIPT_TO
< from
; POP_SCRIPT_RANGE ())
1414 FONTSET_ADD (fontset
, XCAR (script_range_list
), font_def
, add
);
1415 if (CONSP (script_range_list
))
1417 if (SCRIPT_FROM
< from
)
1418 range
= Fcons (make_number (SCRIPT_FROM
), XCDR (range
));
1419 while (CONSP (script_range_list
) && SCRIPT_TO
<= to
)
1420 POP_SCRIPT_RANGE ();
1421 if (CONSP (script_range_list
) && SCRIPT_FROM
<= to
)
1422 XSETCAR (XCAR (script_range_list
), make_number (to
+ 1));
1425 FONTSET_ADD (fontset
, range
, font_def
, add
);
1426 ASET (arg
, 4, script_range_list
);
1429 static void update_auto_fontset_alist (Lisp_Object
, Lisp_Object
);
1432 DEFUN ("set-fontset-font", Fset_fontset_font
, Sset_fontset_font
, 3, 5, 0,
1434 Modify fontset NAME to use FONT-SPEC for TARGET characters.
1436 NAME is a fontset name string, nil for the fontset of FRAME, or t for
1437 the default fontset.
1439 TARGET may be a cons; (FROM . TO), where FROM and TO are characters.
1440 In that case, use FONT-SPEC for all characters in the range FROM and
1443 TARGET may be a script name symbol. In that case, use FONT-SPEC for
1444 all characters that belong to the script.
1446 TARGET may be a charset. In that case, use FONT-SPEC for all
1447 characters in the charset.
1449 TARGET may be nil. In that case, use FONT-SPEC for any characters for
1450 that no FONT-SPEC is specified.
1452 FONT-SPEC may one of these:
1453 * A font-spec object made by the function `font-spec' (which see).
1454 * A cons (FAMILY . REGISTRY), where FAMILY is a font family name and
1455 REGISTRY is a font registry name. FAMILY may contain foundry
1456 name, and REGISTRY may contain encoding name.
1457 * A font name string.
1458 * nil, which explicitly specifies that there's no font for TARGET.
1460 Optional 4th argument FRAME is a frame or nil for the selected frame
1461 that is concerned in the case that NAME is nil.
1463 Optional 5th argument ADD, if non-nil, specifies how to add FONT-SPEC
1464 to the font specifications for TARGET previously set. If it is
1465 `prepend', FONT-SPEC is prepended. If it is `append', FONT-SPEC is
1466 appended. By default, FONT-SPEC overrides the previous settings. */)
1467 (Lisp_Object name
, Lisp_Object target
, Lisp_Object font_spec
, Lisp_Object frame
, Lisp_Object add
)
1469 Lisp_Object fontset
;
1470 Lisp_Object font_def
, registry
, family
;
1471 Lisp_Object range_list
;
1472 struct charset
*charset
= NULL
;
1473 Lisp_Object fontname
;
1474 int ascii_changed
= 0;
1476 fontset
= check_fontset_name (name
, &frame
);
1479 if (CONSP (font_spec
))
1481 Lisp_Object spec
= Ffont_spec (0, NULL
);
1483 font_parse_family_registry (XCAR (font_spec
), XCDR (font_spec
), spec
);
1485 fontname
= Ffont_xlfd_name (font_spec
, Qnil
);
1487 else if (STRINGP (font_spec
))
1489 Lisp_Object args
[2];
1491 fontname
= font_spec
;
1493 args
[1] = font_spec
;
1494 font_spec
= Ffont_spec (2, args
);
1496 else if (FONT_SPEC_P (font_spec
))
1497 fontname
= Ffont_xlfd_name (font_spec
, Qnil
);
1498 else if (! NILP (font_spec
))
1499 Fsignal (Qfont
, list2 (build_string ("Invalid font-spec"), font_spec
));
1501 if (! NILP (font_spec
))
1503 Lisp_Object encoding
, repertory
;
1505 family
= AREF (font_spec
, FONT_FAMILY_INDEX
);
1506 if (! NILP (family
) )
1507 family
= SYMBOL_NAME (family
);
1508 registry
= AREF (font_spec
, FONT_REGISTRY_INDEX
);
1509 if (! NILP (registry
))
1510 registry
= Fdowncase (SYMBOL_NAME (registry
));
1511 encoding
= find_font_encoding (concat3 (family
, build_string ("-"),
1513 if (NILP (encoding
))
1516 if (SYMBOLP (encoding
))
1518 CHECK_CHARSET (encoding
);
1519 encoding
= repertory
= CHARSET_SYMBOL_ID (encoding
);
1523 repertory
= XCDR (encoding
);
1524 encoding
= XCAR (encoding
);
1525 CHECK_CHARSET (encoding
);
1526 encoding
= CHARSET_SYMBOL_ID (encoding
);
1527 if (! NILP (repertory
) && SYMBOLP (repertory
))
1529 CHECK_CHARSET (repertory
);
1530 repertory
= CHARSET_SYMBOL_ID (repertory
);
1533 FONT_DEF_NEW (font_def
, font_spec
, encoding
, repertory
);
1538 if (CHARACTERP (target
))
1540 if (XFASTINT (target
) < 0x80)
1541 error ("Can't set a font for partial ASCII range");
1542 range_list
= Fcons (Fcons (target
, target
), Qnil
);
1544 else if (CONSP (target
))
1546 Lisp_Object from
, to
;
1548 from
= Fcar (target
);
1550 CHECK_CHARACTER (from
);
1551 CHECK_CHARACTER (to
);
1552 if (XFASTINT (from
) < 0x80)
1554 if (XFASTINT (from
) != 0 || XFASTINT (to
) < 0x7F)
1555 error ("Can't set a font for partial ASCII range");
1558 range_list
= Fcons (target
, Qnil
);
1560 else if (SYMBOLP (target
) && !NILP (target
))
1562 Lisp_Object script_list
;
1566 script_list
= XCHAR_TABLE (Vchar_script_table
)->extras
[0];
1567 if (! NILP (Fmemq (target
, script_list
)))
1569 if (EQ (target
, Qlatin
))
1571 val
= Fcons (target
, Qnil
);
1572 map_char_table (accumulate_script_ranges
, Qnil
, Vchar_script_table
,
1574 range_list
= Fnreverse (XCDR (val
));
1576 if (CHARSETP (target
))
1578 CHECK_CHARSET_GET_CHARSET (target
, charset
);
1579 if (charset
->ascii_compatible_p
)
1582 else if (NILP (range_list
))
1583 error ("Invalid script or charset name: %s",
1584 SDATA (SYMBOL_NAME (target
)));
1586 else if (NILP (target
))
1587 range_list
= Fcons (Qnil
, Qnil
);
1589 error ("Invalid target for setting a font");
1595 if (NILP (font_spec
))
1596 error ("Can't set ASCII font to nil");
1597 val
= CHAR_TABLE_REF (fontset
, 0);
1598 if (! NILP (val
) && EQ (add
, Qappend
))
1599 /* We are going to change just an additional font for ASCII. */
1607 arg
= Fmake_vector (make_number (5), Qnil
);
1608 ASET (arg
, 0, fontset
);
1609 ASET (arg
, 1, font_def
);
1611 ASET (arg
, 3, ascii_changed
? Qt
: Qnil
);
1612 ASET (arg
, 4, range_list
);
1614 map_charset_chars (set_fontset_font
, Qnil
, arg
, charset
,
1615 CHARSET_MIN_CODE (charset
),
1616 CHARSET_MAX_CODE (charset
));
1617 range_list
= AREF (arg
, 4);
1619 for (; CONSP (range_list
); range_list
= XCDR (range_list
))
1620 FONTSET_ADD (fontset
, XCAR (range_list
), font_def
, add
);
1624 Lisp_Object tail
, fr
, alist
;
1625 int fontset_id
= XINT (FONTSET_ID (fontset
));
1627 set_fontset_ascii (fontset
, fontname
);
1628 name
= FONTSET_NAME (fontset
);
1629 FOR_EACH_FRAME (tail
, fr
)
1631 FRAME_PTR f
= XFRAME (fr
);
1632 Lisp_Object font_object
;
1635 if (FRAME_INITIAL_P (f
) || FRAME_TERMCAP_P (f
))
1637 if (fontset_id
!= FRAME_FONTSET (f
))
1639 face
= FACE_FROM_ID (f
, DEFAULT_FACE_ID
);
1641 font_object
= font_load_for_lface (f
, face
->lface
, font_spec
);
1643 font_object
= font_open_by_spec (f
, font_spec
);
1644 if (! NILP (font_object
))
1646 update_auto_fontset_alist (font_object
, fontset
);
1647 alist
= Fcons (Fcons (Qfont
, Fcons (name
, font_object
)), Qnil
);
1648 Fmodify_frame_parameters (fr
, alist
);
1653 /* Free all realized fontsets whose base is FONTSET. This way, the
1654 specified character(s) are surely redisplayed by a correct
1656 free_realized_fontsets (fontset
);
1662 DEFUN ("new-fontset", Fnew_fontset
, Snew_fontset
, 2, 2, 0,
1663 doc
: /* Create a new fontset NAME from font information in FONTLIST.
1665 FONTLIST is an alist of scripts vs the corresponding font specification list.
1666 Each element of FONTLIST has the form (SCRIPT FONT-SPEC ...), where a
1667 character of SCRIPT is displayed by a font that matches one of
1670 SCRIPT is a symbol that appears in the first extra slot of the
1671 char-table `char-script-table'.
1673 FONT-SPEC is a vector, a cons, or a string. See the documentation of
1674 `set-fontset-font' for the meaning. */)
1675 (Lisp_Object name
, Lisp_Object fontlist
)
1677 Lisp_Object fontset
;
1680 CHECK_STRING (name
);
1681 CHECK_LIST (fontlist
);
1683 name
= Fdowncase (name
);
1684 id
= fs_query_fontset (name
, 0);
1687 Lisp_Object font_spec
= Ffont_spec (0, NULL
);
1688 Lisp_Object short_name
;
1692 if (font_parse_xlfd (SSDATA (name
), SBYTES (name
), font_spec
) < 0)
1693 error ("Fontset name must be in XLFD format");
1694 short_name
= AREF (font_spec
, FONT_REGISTRY_INDEX
);
1695 if (strncmp (SSDATA (SYMBOL_NAME (short_name
)), "fontset-", 8)
1696 || SBYTES (SYMBOL_NAME (short_name
)) < 9)
1697 error ("Registry field of fontset name must be \"fontset-*\"");
1698 Vfontset_alias_alist
= Fcons (Fcons (name
, SYMBOL_NAME (short_name
)),
1699 Vfontset_alias_alist
);
1700 ASET (font_spec
, FONT_REGISTRY_INDEX
, Qiso8859_1
);
1701 fontset
= make_fontset (Qnil
, name
, Qnil
);
1702 len
= font_unparse_xlfd (font_spec
, 0, xlfd
, 256);
1704 error ("Invalid fontset name (perhaps too long): %s", SDATA (name
));
1705 set_fontset_ascii (fontset
, make_unibyte_string (xlfd
, len
));
1709 fontset
= FONTSET_FROM_ID (id
);
1710 free_realized_fontsets (fontset
);
1711 Fset_char_table_range (fontset
, Qt
, Qnil
);
1714 for (; CONSP (fontlist
); fontlist
= XCDR (fontlist
))
1716 Lisp_Object elt
, script
;
1718 elt
= XCAR (fontlist
);
1719 script
= Fcar (elt
);
1721 if (CONSP (elt
) && (NILP (XCDR (elt
)) || CONSP (XCDR (elt
))))
1722 for (; CONSP (elt
); elt
= XCDR (elt
))
1723 Fset_fontset_font (name
, script
, XCAR (elt
), Qnil
, Qappend
);
1725 Fset_fontset_font (name
, script
, elt
, Qnil
, Qappend
);
1731 /* Alist of automatically created fontsets. Each element is a cons
1732 (FONT-SPEC . FONTSET-ID). */
1733 static Lisp_Object auto_fontset_alist
;
1735 /* Number of automatically created fontsets. */
1736 static ptrdiff_t num_auto_fontsets
;
1738 /* Return a fontset synthesized from FONT-OBJECT. This is called from
1739 x_new_font when FONT-OBJECT is used for the default ASCII font of a
1740 frame, and the returned fontset is used for the default fontset of
1741 that frame. The fontset specifies a font of the same registry as
1742 FONT-OBJECT for all characters in the repertory of the registry
1743 (see Vfont_encoding_alist). If the repertory is not known, the
1744 fontset specifies the font for all Latin characters assuming that a
1745 user intends to use FONT-OBJECT for Latin characters. */
1748 fontset_from_font (Lisp_Object font_object
)
1750 Lisp_Object font_name
= font_get_name (font_object
);
1751 Lisp_Object font_spec
= copy_font_spec (font_object
);
1752 Lisp_Object registry
= AREF (font_spec
, FONT_REGISTRY_INDEX
);
1753 Lisp_Object fontset_spec
, alias
, name
, fontset
;
1756 val
= assoc_no_quit (font_spec
, auto_fontset_alist
);
1758 return XINT (FONTSET_ID (XCDR (val
)));
1759 if (num_auto_fontsets
++ == 0)
1760 alias
= intern ("fontset-startup");
1763 char temp
[sizeof "fontset-auto" + INT_STRLEN_BOUND (ptrdiff_t)];
1765 sprintf (temp
, "fontset-auto%"pD
"d", num_auto_fontsets
- 1);
1766 alias
= intern (temp
);
1768 fontset_spec
= copy_font_spec (font_spec
);
1769 ASET (fontset_spec
, FONT_REGISTRY_INDEX
, alias
);
1770 name
= Ffont_xlfd_name (fontset_spec
, Qnil
);
1771 eassert (!NILP (name
));
1772 fontset
= make_fontset (Qnil
, name
, Qnil
);
1773 Vfontset_alias_alist
= Fcons (Fcons (name
, SYMBOL_NAME (alias
)),
1774 Vfontset_alias_alist
);
1775 alias
= Fdowncase (AREF (font_object
, FONT_NAME_INDEX
));
1776 Vfontset_alias_alist
= Fcons (Fcons (name
, alias
), Vfontset_alias_alist
);
1777 auto_fontset_alist
= Fcons (Fcons (font_spec
, fontset
), auto_fontset_alist
);
1778 font_spec
= Ffont_spec (0, NULL
);
1779 ASET (font_spec
, FONT_REGISTRY_INDEX
, registry
);
1781 Lisp_Object target
= find_font_encoding (SYMBOL_NAME (registry
));
1784 target
= XCDR (target
);
1785 if (! CHARSETP (target
))
1787 Fset_fontset_font (name
, target
, font_spec
, Qnil
, Qnil
);
1788 Fset_fontset_font (name
, Qnil
, font_spec
, Qnil
, Qnil
);
1791 set_fontset_ascii (fontset
, font_name
);
1793 return XINT (FONTSET_ID (fontset
));
1797 /* Update auto_fontset_alist for FONTSET. When an ASCII font of
1798 FONTSET is changed, we delete an entry of FONTSET if any from
1799 auto_fontset_alist so that FONTSET is not re-used by
1800 fontset_from_font. */
1803 update_auto_fontset_alist (Lisp_Object font_object
, Lisp_Object fontset
)
1805 Lisp_Object prev
, tail
;
1807 for (prev
= Qnil
, tail
= auto_fontset_alist
; CONSP (tail
);
1808 prev
= tail
, tail
= XCDR (tail
))
1809 if (EQ (fontset
, XCDR (XCAR (tail
))))
1812 auto_fontset_alist
= XCDR (tail
);
1814 XSETCDR (prev
, XCDR (tail
));
1820 /* Return a cons (FONT-OBJECT . GLYPH-CODE).
1821 FONT-OBJECT is the font for the character at POSITION in the current
1822 buffer. This is computed from all the text properties and overlays
1823 that apply to POSITION. POSITION may be nil, in which case,
1824 FONT-SPEC is the font for displaying the character CH with the
1827 GLYPH-CODE is the glyph code in the font to use for the character.
1829 If the 2nd optional arg CH is non-nil, it is a character to check
1830 the font instead of the character at POSITION.
1832 It returns nil in the following cases:
1834 (1) The window system doesn't have a font for the character (thus
1835 it is displayed by an empty box).
1837 (2) The character code is invalid.
1839 (3) If POSITION is not nil, and the current buffer is not displayed
1842 In addition, the returned font name may not take into account of
1843 such redisplay engine hooks as what used in jit-lock-mode if
1844 POSITION is currently not visible. */
1847 DEFUN ("internal-char-font", Finternal_char_font
, Sinternal_char_font
, 1, 2, 0,
1848 doc
: /* For internal use only. */)
1849 (Lisp_Object position
, Lisp_Object ch
)
1851 ptrdiff_t pos
, pos_byte
, dummy
;
1857 if (NILP (position
))
1859 CHECK_CHARACTER (ch
);
1861 f
= XFRAME (selected_frame
);
1862 face_id
= lookup_basic_face (f
, DEFAULT_FACE_ID
);
1870 CHECK_NUMBER_COERCE_MARKER (position
);
1871 if (! (BEGV
<= XINT (position
) && XINT (position
) < ZV
))
1872 args_out_of_range_3 (position
, make_number (BEGV
), make_number (ZV
));
1873 pos
= XINT (position
);
1874 pos_byte
= CHAR_TO_BYTE (pos
);
1876 c
= FETCH_CHAR (pos_byte
);
1882 window
= Fget_buffer_window (Fcurrent_buffer (), Qnil
);
1885 w
= XWINDOW (window
);
1886 f
= XFRAME (w
->frame
);
1887 face_id
= face_at_buffer_position (w
, pos
, -1, -1, &dummy
,
1890 if (! CHAR_VALID_P (c
))
1892 face_id
= FACE_FOR_CHAR (f
, FACE_FROM_ID (f
, face_id
), c
, pos
, Qnil
);
1893 face
= FACE_FROM_ID (f
, face_id
);
1896 unsigned code
= face
->font
->driver
->encode_char (face
->font
, c
);
1897 Lisp_Object font_object
;
1899 if (code
== FONT_INVALID_CODE
)
1901 XSETFONT (font_object
, face
->font
);
1902 return Fcons (font_object
, INTEGER_TO_CONS (code
));
1908 DEFUN ("fontset-info", Ffontset_info
, Sfontset_info
, 1, 2, 0,
1909 doc
: /* Return information about a fontset FONTSET on frame FRAME.
1911 FONTSET is a fontset name string, nil for the fontset of FRAME, or t
1912 for the default fontset. FRAME nil means the selected frame.
1914 The value is a char-table whose elements have this form:
1916 ((FONT OPENED-FONT ...) ...)
1918 FONT is a name of font specified for a range of characters.
1920 OPENED-FONT is a name of a font actually opened.
1922 The char-table has one extra slot. If FONTSET is not the default
1923 fontset, the value the extra slot is a char-table containing the
1924 information about the derived fonts from the default fontset. The
1925 format is the same as above. */)
1926 (Lisp_Object fontset
, Lisp_Object frame
)
1928 Lisp_Object
*realized
[2], fontsets
[2], tables
[2];
1929 Lisp_Object val
, elt
;
1932 (*check_window_system_func
) ();
1934 fontset
= check_fontset_name (fontset
, &frame
);
1936 /* Recode fontsets realized on FRAME from the base fontset FONTSET
1937 in the table `realized'. */
1938 realized
[0] = alloca (word_size
* ASIZE (Vfontset_table
));
1939 for (i
= j
= 0; i
< ASIZE (Vfontset_table
); i
++)
1941 elt
= FONTSET_FROM_ID (i
);
1943 && EQ (FONTSET_BASE (elt
), fontset
)
1944 && EQ (FONTSET_FRAME (elt
), frame
))
1945 realized
[0][j
++] = elt
;
1947 realized
[0][j
] = Qnil
;
1949 realized
[1] = alloca (word_size
* ASIZE (Vfontset_table
));
1950 for (i
= j
= 0; ! NILP (realized
[0][i
]); i
++)
1952 elt
= FONTSET_DEFAULT (realized
[0][i
]);
1954 realized
[1][j
++] = elt
;
1956 realized
[1][j
] = Qnil
;
1958 tables
[0] = Fmake_char_table (Qfontset_info
, Qnil
);
1959 fontsets
[0] = fontset
;
1960 if (!EQ (fontset
, Vdefault_fontset
))
1962 tables
[1] = Fmake_char_table (Qnil
, Qnil
);
1963 set_char_table_extras (tables
[0], 0, tables
[1]);
1964 fontsets
[1] = Vdefault_fontset
;
1967 /* Accumulate information of the fontset in TABLE. The format of
1968 each element is ((FONT-SPEC OPENED-FONT ...) ...). */
1969 for (k
= 0; k
<= 1; k
++)
1971 for (c
= 0; c
<= MAX_CHAR
; )
1973 int from
= c
, to
= MAX_5_BYTE_CHAR
;
1975 if (c
<= MAX_5_BYTE_CHAR
)
1977 val
= char_table_ref_and_range (fontsets
[k
], c
, &from
, &to
);
1981 val
= FONTSET_FALLBACK (fontsets
[k
]);
1988 /* At first, set ALIST to ((FONT-SPEC) ...). */
1989 for (alist
= Qnil
, i
= 0; i
< ASIZE (val
); i
++)
1990 if (! NILP (AREF (val
, i
)))
1991 alist
= Fcons (Fcons (FONT_DEF_SPEC (AREF (val
, i
)), Qnil
),
1993 alist
= Fnreverse (alist
);
1995 /* Then store opened font names to cdr of each elements. */
1996 for (i
= 0; ! NILP (realized
[k
][i
]); i
++)
1998 if (c
<= MAX_5_BYTE_CHAR
)
1999 val
= FONTSET_REF (realized
[k
][i
], c
);
2001 val
= FONTSET_FALLBACK (realized
[k
][i
]);
2002 if (! CONSP (val
) || ! VECTORP (XCDR (val
)))
2004 /* VAL: (int . [[FACE-ID FONT-DEF FONT-OBJECT int] ... ]) */
2006 for (j
= 0; j
< ASIZE (val
); j
++)
2008 elt
= AREF (val
, j
);
2009 if (FONT_OBJECT_P (RFONT_DEF_OBJECT (elt
)))
2011 Lisp_Object font_object
= RFONT_DEF_OBJECT (elt
);
2012 Lisp_Object slot
, name
;
2014 slot
= Fassq (RFONT_DEF_SPEC (elt
), alist
);
2015 name
= AREF (font_object
, FONT_NAME_INDEX
);
2016 if (NILP (Fmember (name
, XCDR (slot
))))
2017 nconc2 (slot
, Fcons (name
, Qnil
));
2022 /* Store ALIST in TBL for characters C..TO. */
2023 if (c
<= MAX_5_BYTE_CHAR
)
2024 char_table_set_range (tables
[k
], c
, to
, alist
);
2026 set_char_table_defalt (tables
[k
], alist
);
2028 /* At last, change each elements to font names. */
2029 for (; CONSP (alist
); alist
= XCDR (alist
))
2032 XSETCAR (elt
, Ffont_xlfd_name (XCAR (elt
), Qnil
));
2037 if (EQ (fontset
, Vdefault_fontset
))
2045 DEFUN ("fontset-font", Ffontset_font
, Sfontset_font
, 2, 3, 0,
2046 doc
: /* Return a font name pattern for character CH in fontset NAME.
2047 If NAME is t, find a pattern in the default fontset.
2048 If NAME is nil, find a pattern in the fontset of the selected frame.
2050 The value has the form (FAMILY . REGISTRY), where FAMILY is a font
2051 family name and REGISTRY is a font registry name. This is actually
2052 the first font name pattern for CH in the fontset or in the default
2055 If the 2nd optional arg ALL is non-nil, return a list of all font name
2057 (Lisp_Object name
, Lisp_Object ch
, Lisp_Object all
)
2060 Lisp_Object fontset
, elt
, list
, repertory
, val
;
2065 fontset
= check_fontset_name (name
, &frame
);
2067 CHECK_CHARACTER (ch
);
2072 for (i
= 0, elt
= FONTSET_REF (fontset
, c
); i
< 2;
2073 i
++, elt
= FONTSET_FALLBACK (fontset
))
2075 for (j
= 0; j
< ASIZE (elt
); j
++)
2077 Lisp_Object family
, registry
;
2079 val
= AREF (elt
, j
);
2082 repertory
= AREF (val
, 1);
2083 if (INTEGERP (repertory
))
2085 struct charset
*charset
= CHARSET_FROM_ID (XINT (repertory
));
2087 if (! CHAR_CHARSET_P (c
, charset
))
2090 else if (CHAR_TABLE_P (repertory
))
2092 if (NILP (CHAR_TABLE_REF (repertory
, c
)))
2095 val
= AREF (val
, 0);
2096 /* VAL is a FONT-SPEC */
2097 family
= AREF (val
, FONT_FAMILY_INDEX
);
2098 if (! NILP (family
))
2099 family
= SYMBOL_NAME (family
);
2100 registry
= AREF (val
, FONT_REGISTRY_INDEX
);
2101 if (! NILP (registry
))
2102 registry
= SYMBOL_NAME (registry
);
2103 val
= Fcons (family
, registry
);
2106 list
= Fcons (val
, list
);
2108 if (EQ (fontset
, Vdefault_fontset
))
2110 fontset
= Vdefault_fontset
;
2112 return (Fnreverse (list
));
2115 DEFUN ("fontset-list", Ffontset_list
, Sfontset_list
, 0, 0, 0,
2116 doc
: /* Return a list of all defined fontset names. */)
2119 Lisp_Object fontset
, list
;
2123 for (i
= 0; i
< ASIZE (Vfontset_table
); i
++)
2125 fontset
= FONTSET_FROM_ID (i
);
2127 && BASE_FONTSET_P (fontset
))
2128 list
= Fcons (FONTSET_NAME (fontset
), list
);
2135 #ifdef ENABLE_CHECKING
2137 Lisp_Object
dump_fontset (Lisp_Object
) EXTERNALLY_VISIBLE
;
2140 dump_fontset (Lisp_Object fontset
)
2144 vec
= Fmake_vector (make_number (3), Qnil
);
2145 ASET (vec
, 0, FONTSET_ID (fontset
));
2147 if (BASE_FONTSET_P (fontset
))
2149 ASET (vec
, 1, FONTSET_NAME (fontset
));
2155 frame
= FONTSET_FRAME (fontset
);
2158 FRAME_PTR f
= XFRAME (frame
);
2160 if (FRAME_LIVE_P (f
))
2162 Fcons (FONTSET_NAME (FONTSET_BASE (fontset
)),
2166 Fcons (FONTSET_NAME (FONTSET_BASE (fontset
)), Qnil
));
2168 if (!NILP (FONTSET_DEFAULT (fontset
)))
2169 ASET (vec
, 2, FONTSET_ID (FONTSET_DEFAULT (fontset
)));
2174 DEFUN ("fontset-list-all", Ffontset_list_all
, Sfontset_list_all
, 0, 0, 0,
2175 doc
: /* Return a brief summary of all fontsets for debug use. */)
2181 for (i
= 0, val
= Qnil
; i
< ASIZE (Vfontset_table
); i
++)
2182 if (! NILP (AREF (Vfontset_table
, i
)))
2183 val
= Fcons (dump_fontset (AREF (Vfontset_table
, i
)), val
);
2184 return (Fnreverse (val
));
2186 #endif /* ENABLE_CHECKING */
2189 syms_of_fontset (void)
2191 DEFSYM (Qfontset
, "fontset");
2192 Fput (Qfontset
, Qchar_table_extra_slots
, make_number (9));
2193 DEFSYM (Qfontset_info
, "fontset-info");
2194 Fput (Qfontset_info
, Qchar_table_extra_slots
, make_number (1));
2196 DEFSYM (Qprepend
, "prepend");
2197 DEFSYM (Qappend
, "append");
2198 DEFSYM (Qlatin
, "latin");
2200 Vcached_fontset_data
= Qnil
;
2201 staticpro (&Vcached_fontset_data
);
2203 Vfontset_table
= Fmake_vector (make_number (32), Qnil
);
2204 staticpro (&Vfontset_table
);
2206 Vdefault_fontset
= Fmake_char_table (Qfontset
, Qnil
);
2207 staticpro (&Vdefault_fontset
);
2208 set_fontset_id (Vdefault_fontset
, make_number (0));
2211 build_pure_c_string ("-*-*-*-*-*-*-*-*-*-*-*-*-fontset-default"));
2212 ASET (Vfontset_table
, 0, Vdefault_fontset
);
2213 next_fontset_id
= 1;
2215 auto_fontset_alist
= Qnil
;
2216 staticpro (&auto_fontset_alist
);
2218 DEFVAR_LISP ("font-encoding-charset-alist", Vfont_encoding_charset_alist
,
2220 Alist of charsets vs the charsets to determine the preferred font encoding.
2221 Each element looks like (CHARSET . ENCODING-CHARSET),
2222 where ENCODING-CHARSET is a charset registered in the variable
2223 `font-encoding-alist' as ENCODING.
2225 When a text has a property `charset' and the value is CHARSET, a font
2226 whose encoding corresponds to ENCODING-CHARSET is preferred. */);
2227 Vfont_encoding_charset_alist
= Qnil
;
2229 DEFVAR_LISP ("use-default-ascent", Vuse_default_ascent
,
2231 Char table of characters whose ascent values should be ignored.
2232 If an entry for a character is non-nil, the ascent value of the glyph
2233 is assumed to be specified by _MULE_DEFAULT_ASCENT property of a font.
2235 This affects how a composite character which contains
2236 such a character is displayed on screen. */);
2237 Vuse_default_ascent
= Qnil
;
2239 DEFVAR_LISP ("ignore-relative-composition", Vignore_relative_composition
,
2241 Char table of characters which are not composed relatively.
2242 If an entry for a character is non-nil, a composition sequence
2243 which contains that character is displayed so that
2244 the glyph of that character is put without considering
2245 an ascent and descent value of a previous character. */);
2246 Vignore_relative_composition
= Qnil
;
2248 DEFVAR_LISP ("alternate-fontname-alist", Valternate_fontname_alist
,
2249 doc
: /* Alist of fontname vs list of the alternate fontnames.
2250 When a specified font name is not found, the corresponding
2251 alternate fontnames (if any) are tried instead. */);
2252 Valternate_fontname_alist
= Qnil
;
2254 DEFVAR_LISP ("fontset-alias-alist", Vfontset_alias_alist
,
2255 doc
: /* Alist of fontset names vs the aliases. */);
2256 Vfontset_alias_alist
= Fcons (Fcons (FONTSET_NAME (Vdefault_fontset
),
2257 build_pure_c_string ("fontset-default")),
2260 DEFVAR_LISP ("vertical-centering-font-regexp",
2261 Vvertical_centering_font_regexp
,
2262 doc
: /* Regexp matching font names that require vertical centering on display.
2263 When a character is displayed with such fonts, the character is displayed
2264 at the vertical center of lines. */);
2265 Vvertical_centering_font_regexp
= Qnil
;
2267 DEFVAR_LISP ("otf-script-alist", Votf_script_alist
,
2268 doc
: /* Alist of OpenType script tags vs the corresponding script names. */);
2269 Votf_script_alist
= Qnil
;
2271 defsubr (&Squery_fontset
);
2272 defsubr (&Snew_fontset
);
2273 defsubr (&Sset_fontset_font
);
2274 defsubr (&Sinternal_char_font
);
2275 defsubr (&Sfontset_info
);
2276 defsubr (&Sfontset_font
);
2277 defsubr (&Sfontset_list
);
2278 #ifdef ENABLE_CHECKING
2279 defsubr (&Sfontset_list_all
);