1 ;;; fontset.el --- commands for handling fontset
3 ;; Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
4 ;; 2005, 2006, 2007 Free Software Foundation, Inc.
5 ;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
7 ;; National Institute of Advanced Industrial Science and Technology (AIST)
8 ;; Registration Number H14PRO021
9 ;; Copyright (C) 2003, 2006
10 ;; National Institute of Advanced Industrial Science and Technology (AIST)
11 ;; Registration Number H13PRO009
13 ;; Keywords: mule, i18n, fontset
15 ;; This file is part of GNU Emacs.
17 ;; GNU Emacs is free software; you can redistribute it and/or modify
18 ;; it under the terms of the GNU General Public License as published by
19 ;; the Free Software Foundation; either version 3, or (at your option)
22 ;; GNU Emacs is distributed in the hope that it will be useful,
23 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
24 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25 ;; GNU General Public License for more details.
27 ;; You should have received a copy of the GNU General Public License
28 ;; along with GNU Emacs; see the file COPYING. If not, write to the
29 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
30 ;; Boston, MA 02110-1301, USA.
36 ;; Setup font-encoding-alist for all known encodings.
38 (setq font-encoding-alist
39 '(("iso8859-1$" . iso-8859-1)
40 ("iso8859-2$" . iso-8859-2)
41 ("iso8859-3$" . iso-8859-3)
42 ("iso8859-4$" . iso-8859-4)
43 ("iso8859-5$" . iso-8859-5)
44 ("iso8859-6$" . iso-8859-6)
45 ("iso8859-7$" . iso-8859-7)
46 ("iso8859-8$" . iso-8859-8)
47 ("iso8859-9$" . iso-8859-9)
48 ("iso8859-10$" . iso-8859-10)
49 ("iso8859-11$" . iso-8859-11)
50 ("iso8859-13$" . iso-8859-13)
51 ("iso8859-14$" . iso-8859-14)
52 ("iso8859-15$" . iso-8859-15)
53 ("gb2312.1980" . chinese-gb2312)
56 ("jisx0208.1978" . japanese-jisx0208-1978)
57 ("jisx0208" . japanese-jisx0208)
58 ("jisx0201" . jisx0201)
59 ("jisx0212" . japanese-jisx0212)
60 ("ksc5601.1987" . korean-ksc5601)
61 ("cns11643.1992.*1" . chinese-cns11643-1)
62 ("cns11643.1992.*2" . chinese-cns11643-2)
63 ("cns11643.1992.*3" . chinese-cns11643-3)
64 ("cns11643.1992.*4" . chinese-cns11643-4)
65 ("cns11643.1992.*5" . chinese-cns11643-5)
66 ("cns11643.1992.*6" . chinese-cns11643-6)
67 ("cns11643.1992.*7" . chinese-cns11643-7)
68 ("cns11643.92p1-0" . chinese-cns11643-1)
69 ("cns11643.92p2-0" . chinese-cns11643-2)
70 ("cns11643.92p3-0" . chinese-cns11643-3)
71 ("cns11643.92p4-0" . chinese-cns11643-4)
72 ("cns11643.92p5-0" . chinese-cns11643-5)
73 ("cns11643.92p6-0" . chinese-cns11643-6)
74 ("cns11643.92p7-0" . chinese-cns11643-7)
76 ("sisheng_cwnn" . chinese-sisheng)
78 ("tis620" . tis620-2533)
79 ("microsoft-cp1251" . windows-1251)
81 ("mulearabic-0" . arabic-digit)
82 ("mulearabic-1" . arabic-1-column)
83 ("mulearabic-2" . arabic-2-column)
85 ("ethiopic-unicode" . (unicode-bmp . ethiopic))
86 ("is13194-devanagari" . indian-is13194)
87 ("Devanagari-CDAC" . devanagari-cdac)
88 ("Sanskrit-CDAC" . sanskrit-cdac)
89 ("Bengali-CDAC" . bengali-cdac)
90 ("Assamese-CDAC" . assamese-cdac)
91 ("Punjabi-CDAC" . punjabi-cdac)
92 ("Gujarati-CDAC" . gujarati-cdac)
93 ("Oriya-CDAC" . oriya-cdac)
94 ("Tamil-CDAC" . tamil-cdac)
95 ("Telugu-CDAC" . telugu-cdac)
96 ("Kannada-CDAC" . kannada-cdac)
97 ("Malayalam-CDAC" . malayalam-cdac)
98 ("Devanagari-Akruti" . devanagari-akruti)
99 ("Bengali-Akruti" . bengali-akruti)
100 ("Punjabi-Akruti" . punjabi-akruti)
101 ("Gujarati-Akruti" . gujarati-akruti)
102 ("Oriya-Akruti" . oriya-akruti)
103 ("Tamil-Akruti" . tamil-akruti)
104 ("Telugu-Akruti" . telugu-akruti)
105 ("Kannada-Akruti" . kannada-akruti)
106 ("Malayalam-Akruti" . malayalam-akruti)
107 ("muleindian-2" . indian-2-column)
108 ("muleindian-1" . indian-1-column)
109 ("mulelao-1" . mule-lao)
110 ("muletibetan-2" . tibetan)
111 ("muletibetan-1" . tibetan-1-column)
112 ("jisx0213.2000-1" . japanese-jisx0213-1)
113 ("jisx0213.2000-2" . japanese-jisx0213-2)
114 ("jisx0213.2004-1" . japanese-jisx0213.2004-1)
115 ("abobe-symbol" . symbol)
116 ("iso10646-1$" . (unicode-bmp . nil))
117 ("iso10646.indian-1" . (unicode-bmp . nil))))
119 (setq script-representative-chars
120 '((latin ?A ?Z ?a ?z)
146 (canadian-aboriginal #x14C0)
152 (ideographic-description #x2FF0)
161 (setq otf-script-alist
170 (byzm . byzantine-musical-symbol)
171 (cans . canadian_aboliginal)
199 (math . mathematical)
201 (musc . musical-symbol)
214 (sylo . syloti_nagri)
228 ;; Set standard fontname specification of characters in the default
229 ;; fontset to find an appropriate font for each script/charset. The
230 ;; specification has the form ((SCRIPT FONT-SPEC ...) ...), where
232 ;; a vector [ FAMILY WEIGHT SLANT ADSTYLE REGISTRY ],
233 ;; or a cons (FAMILY . REGISTRY),
234 ;; or a string FONT-NAME.
236 ;; FAMILY, WEIGHT, SLANT, and ADSTYLE may be nil, in which case, the
237 ;; the corresponding name of default face is used. If REGISTRY
238 ;; contains a character `-', the string before that is embedded in
239 ;; `CHARSET_REGISTRY' field, and the string after that is embedded in
240 ;; `CHARSET_ENCODING' field. If it does not contain `-', the whole
241 ;; string is embedded in `CHARSET_REGISTRY' field, and a wild card
242 ;; character `*' is embedded in `CHARSET_ENCODING' field.
244 ;; SCRIPT is a symbol that appears as an element of the char table
245 ;; `char-script-table'. SCRIPT may be a charset specifying the range
248 (defun setup-default-fontset ()
249 "Setup the default fontset."
253 (latin (nil . "ISO8859-1")
262 (nil . "VISCII1.1-1"))
264 (thai (nil . "TIS620*")
265 (nil . "ISO8859-11"))
267 (devanagari (nil . "iso10646.indian-1"))
269 (lao (nil . "MuleLao-1"))
271 (tai-viet ("TaiViet" . "iso10646-1"))
273 ;; both for script and charset.
274 (tibetan (nil . "muletibetan-2"))
276 ;; both for script and charset.
277 (ethiopic (nil . "ethiopic-unicode"))
279 (greek (nil . "ISO8859-7"))
281 (cyrillic (nil . "ISO8859-5")
282 (nil . "microsoft-cp1251")
285 (arabic (nil . "MuleArabic-0")
286 (nil . "MuleArabic-1")
287 (nil . "MuleArabic-2")
290 (hebrew (nil . "ISO8859-8"))
292 (kana (nil . "JISX0208*")
293 (nil . "GB2312.1980-0")
294 (nil . "KSC5601.1987*")
296 (nil . "JISX0213.2000-1")
297 (nil . "JISX0213.2004-1"))
299 (bopomofo (nil . "sisheng_cwnn-0"))
301 (han (nil . "GB2312.1980-0")
305 (nil . "KSC5601.1987*")
306 (nil . "CNS11643.1992-1")
307 (nil . "CNS11643.1992-2")
308 (nil . "CNS11643.1992-3")
309 (nil . "CNS11643.1992-4")
310 (nil . "CNS11643.1992-5")
311 (nil . "CNS11643.1992-6")
312 (nil . "CNS11643.1992-7")
315 (nil . "JISX0213.2000-1")
316 (nil . "JISX0213.2000-2")
317 (nil . "JISX0213.2004-1"))
319 (cjk-misc (nil . "GB2312.1980-0")
323 (nil . "KSC5601.1987*")
324 (nil . "CNS11643.1992-1")
325 (nil . "CNS11643.1992-2")
326 (nil . "CNS11643.1992-3")
327 (nil . "CNS11643.1992-4")
328 (nil . "CNS11643.1992-5")
329 (nil . "CNS11643.1992-6")
330 (nil . "CNS11643.1992-7")
333 (nil . "JISX0213.2000-1")
334 (nil . "JISX0213.2000-2"))
336 (hangul (nil . "KSC5601.1987-0"))
339 (ascii (nil . "ISO8859-1"))
340 (arabic-digit ("*" . "MuleArabic-0"))
341 (arabic-1-column ("*" . "MuleArabic-1"))
342 (arabic-2-column ("*" . "MuleArabic-2"))
343 (indian-is13194 (nil . "is13194-devanagari"))
344 (indian-1-column ("*" . "muleindian-2"))
346 (devanagari-cdac (nil . "Devanagari-CDAC"))
347 (sanskrit-cdac (nil . "Sanskrit-CDAC"))
348 (bengali-cdac (nil . "Bengali-CDAC"))
349 (assamese-cdac (nil . "Assamese-CDAC"))
350 (punjabi-cdac (nil . "Punjabi-CDAC"))
351 (gujarati-cdac (nil . "Gujarati-CDAC"))
352 (oriya-cdac (nil . "Oriya-CDAC"))
353 (tamil-cdac (nil . "Tamil-CDAC"))
354 (telugu-cdac (nil . "Telugu-CDAC"))
355 (kannada-cdac (nil . "Kannada-CDAC"))
356 (malayalam-cdac (nil . "Malayalam-CDAC"))
358 (devanagari-akruti (nil . "Devanagari-Akruti"))
359 (bengali-akruti (nil . "Bengali-Akruti"))
360 (punjabi-akruti (nil . "Punjabi-Akruti"))
361 (gujarati-akruti (nil . "Gujarati-Akruti"))
362 (oriya-akruti (nil . "Oriya-Akruti"))
363 (tamil-akruti (nil . "Tamil-Akruti"))
364 (telugu-akruti (nil . "Telugu-Akruti"))
365 (kannada-akruti (nil . "Kannada-Akruti"))
366 (malayalam-akruti (nil . "Malayalam-Akruti"))
367 ;;(devanagari-glyph ("altsys-dv_ttsurekh" . "devanagari-cdac"))
368 ;;(malayalam-glyph ("altsys-ml_ttkarthika" . "malayalam-cdac"))
369 (ipa (nil . "MuleIPA-1"))
372 (nil (nil . "gb2312.1980")
376 (nil . "ksc5601.1987")
377 (nil . "CNS11643.1992-1")
378 (nil . "CNS11643.1992-2")
379 (nil . "CNS11643.1992-3")
380 (nil . "CNS11643.1992-4")
381 (nil . "CNS11643.1992-5")
382 (nil . "CNS11643.1992-6")
383 (nil . "CNS11643.1992-7")
385 (nil . "jisx0213.2000-1")
386 (nil . "jisx0213.2004-1")
390 ;; Append Unicode fonts.
391 ;; This may find fonts with more variants (bold, italic) but which
392 ;; don't cover many characters.
393 (set-fontset-font "fontset-default" nil
394 '(nil . "iso10646-1") nil 'append)
395 ;; These may find fonts that cover many characters but with fewer
397 (set-fontset-font "fontset-default" nil
398 '("gnu-unifont" . "iso10646-1") nil 'append)
399 (set-fontset-font "fontset-default" nil
400 '("mutt-clearlyu" . "iso10646-1") nil 'append))
402 ;; These are the registered registries/encodings from
403 ;; ftp://ftp.x.org/pub/DOCS/registry 2001/06/01
409 ;; "DEC.CNS11643.1986-2" [53]
410 ;; CNS11643 2-plane using the encoding
411 ;; suggested in that standard
412 ;; "DEC.DTSCS.1990-2" [54]
413 ;; DEC Taiwan Supplemental Character Set
414 ;; "fujitsu.u90x01.1991-0" [87]
415 ;; "fujitsu.u90x03.1991-0" [87]
416 ;; "GB2312.1980-0" [39],[12]
417 ;; China (PRC) Hanzi, GL encoding
418 ;; "GB2312.1980-1" [39]
420 ;; China (PRC) Hanzi, GR encoding
422 ;; HPARABIC8 8-bit character set
424 ;; HPEAST8 8-bit character set
426 ;; HPGREEK8 8-bit character set
428 ;; HPHEBREW8 8-bit character set
429 ;; "HP-Japanese15" [36]
430 ;; HPJAPAN15 15-bit characer set,
431 ;; modified from industry defacto
432 ;; standard Shift-JIS
434 ;; HPKANA8 8-bit character set
435 ;; "HP-Korean15" [36]
436 ;; HPKOREAN15 15-bit character set
438 ;; HPROMAN8 8-bit character set
439 ;; "HP-SChinese15" [36]
440 ;; HPSCHINA15 15-bit character set for
441 ;; support of Simplified Chinese
442 ;; "HP-TChinese15" [36]
443 ;; HPTCHINA15 15-bit character set for
444 ;; support of Traditional Chinese
445 ;; "HP-Turkish8" [36]
446 ;; HPTURKISH8 8-bit character set
450 ;; "ISO2022"<REG>"-"<ENC> [44]
451 ;; "ISO646.1991-IRV" [107]
452 ;; ISO 646 International Reference Version
453 ;; "ISO8859-1" [15],[12]
454 ;; ISO Latin alphabet No. 1
455 ;; "ISO8859-2" [15],[12]
456 ;; ISO Latin alphabet No. 2
457 ;; "ISO8859-3" [15],[12]
458 ;; ISO Latin alphabet No. 3
459 ;; "ISO8859-4" [15],[12]
460 ;; ISO Latin alphabet No. 4
461 ;; "ISO8859-5" [15],[12]
462 ;; ISO Latin/Cyrillic alphabet
463 ;; "ISO8859-6" [15],[12]
464 ;; ISO Latin/Arabic alphabet
465 ;; "ISO8859-7" [15],[12]
466 ;; ISO Latin/Greek alphabet
467 ;; "ISO8859-8" [15],[12]
468 ;; ISO Latin/Hebrew alphabet
469 ;; "ISO8859-9" [15],[12]
470 ;; ISO Latin alphabet No. 5
471 ;; "ISO8859-10" [15],[12]
472 ;; ISO Latin alphabet No. 6
473 ;; "ISO8859-13" [15],[12]
474 ;; ISO Latin alphabet No. 7
475 ;; "ISO8859-14" [15],[12]
476 ;; ISO Latin alphabet No. 8
477 ;; "ISO8859-15" [15],[12]
478 ;; ISO Latin alphabet No. 9
481 ;; ISO Latin alphabet No. 9, Final Committee Draft
482 ;; "ISO10646-1" [133]
483 ;; Unicode Universal Multiple-Octet Coded Character Set
484 ;; "ISO10646-MES" [133]
486 ;; Unicode Minimum European Subset
487 ;; "JISX0201.1976-0" [38],[12]
488 ;; 8-Bit Alphanumeric-Katakana Code
489 ;; "JISX0208.1983-0" [40],[12]
490 ;; Japanese Graphic Character Set,
492 ;; "JISX0208.1990-0" [71]
493 ;; Japanese Graphic Character Set,
495 ;; "JISX0208.1983-1" [40]
497 ;; Japanese Graphic Character Set,
499 ;; "JISX0212.1990-0" [72]
500 ;; Supplementary Japanese Graphic Character Set,
504 ;; "KSC5601.1987-0" [41],[12]
505 ;; Korean Graphic Character Set,
507 ;; "KSC5601.1987-1" [41]
509 ;; Korean Graphic Character Set,
511 ;; "omron_CNS11643-0" [45]
512 ;; "omron_CNS11643-1" [45]
513 ;; "omron_BIG5-0" [45]
514 ;; "omron_BIG5-1" [45]
515 ;; "wn.tamil.1993" [103]
517 (defun set-font-encoding (pattern charset)
518 "Set arguments in `font-encoding-alist' (which see)."
519 (let ((slot (assoc pattern font-encoding-alist)))
521 (setcdr slot charset)
522 (setq font-encoding-alist
523 (cons (cons pattern charset) font-encoding-alist)))))
525 ;; Setting for suppressing XLoadQueryFont on big fonts.
526 (setq x-pixel-size-width-font-regexp
527 "gb2312\\|gbk\\|gb18030\\|jisx0208\\|ksc5601\\|cns11643\\|big5")
529 ;; These fonts require vertical centering.
530 (setq vertical-centering-font-regexp
531 "gb2312\\|gbk\\|gb18030\\|jisx0208\\|jisx0212\\|ksc5601\\|cns11643\\|big5")
533 ;; CDAC fonts are actually smaller than their design sizes.
534 (setq face-font-rescale-alist
537 (defvar x-font-name-charset-alist nil
538 "This variable has no meaning now. Just kept for backward compatibility.")
540 ;;; XLFD (X Logical Font Description) format handler.
542 ;; Define XLFD's field index numbers. ; field name
543 (defconst xlfd-regexp-family-subnum 0) ; FOUNDRY and FAMILY
544 (defconst xlfd-regexp-weight-subnum 1) ; WEIGHT_NAME
545 (defconst xlfd-regexp-slant-subnum 2) ; SLANT
546 (defconst xlfd-regexp-swidth-subnum 3) ; SETWIDTH_NAME
547 (defconst xlfd-regexp-adstyle-subnum 4) ; ADD_STYLE_NAME
548 (defconst xlfd-regexp-pixelsize-subnum 5) ; PIXEL_SIZE
549 (defconst xlfd-regexp-pointsize-subnum 6) ; POINT_SIZE
550 (defconst xlfd-regexp-resx-subnum 7) ; RESOLUTION_X
551 (defconst xlfd-regexp-resy-subnum 8) ; RESOLUTION_Y
552 (defconst xlfd-regexp-spacing-subnum 8) ; SPACING
553 (defconst xlfd-regexp-avgwidth-subnum 10) ; AVERAGE_WIDTH
554 (defconst xlfd-regexp-registry-subnum 11) ; REGISTRY and ENCODING
556 ;; Regular expression matching against a fontname which conforms to
557 ;; XLFD (X Logical Font Description). All fields in XLFD should be
558 ;; not be omitted (but can be a wild card) to be matched.
559 (defconst xlfd-tight-regexp
561 -\\([^-]*-[^-]*\\)-\\([^-]*\\)-\\([^-]*\\)-\\([^-]*\\)\
562 -\\([^-]*\\)-\\([^-]*\\)-\\([^-]*\\)-\\([^-]*\\)-\\([^-]*\\)\
563 -\\([^-]*\\)-\\([^-]*\\)-\\([^-]*-[^-]*\\)$")
565 ;; Regular expression matching against a fontname which conforms to
566 ;; XLFD (X Logical Font Description). All fields in XLFD from FOUNDRY
567 ;; to ADSTYLE, REGISTRY, and ENCODING should be not be omitted (but
568 ;; can be a wild card) to be matched.
569 (defconst xlfd-style-regexp
571 -\\([^-]*-[^-]*\\)-\\([^-]*\\)-\\([^-]*\\)-\\([^-]*\\)-\\([^-]*\\)-.*\
572 -\\([^-]*-[^-]*\\)$")
574 ;; List of field numbers of XLFD whose values are numeric.
575 (defconst xlfd-regexp-numeric-subnums
576 (list xlfd-regexp-pixelsize-subnum ;5
577 xlfd-regexp-pointsize-subnum ;6
578 xlfd-regexp-resx-subnum ;7
579 xlfd-regexp-resy-subnum ;8
580 xlfd-regexp-avgwidth-subnum ;10
583 (defun x-decompose-font-name (pattern)
584 "Decompose PATTERN into XLFD fields and return a vector of the fields.
585 The length of the vector is 12.
586 The FOUNDRY and FAMILY fields are concatinated and stored in the first
587 element of the vector.
588 The REGISTRY and ENCODING fields are concatinated and stored in the last
589 element of the vector.
591 Return nil if PATTERN doesn't conform to XLFD."
592 (if (string-match xlfd-tight-regexp pattern)
593 (let ((xlfd-fields (make-vector 12 nil)))
595 (aset xlfd-fields i (match-string (1+ i) pattern)))
597 (if (string-match "^[*-]+$" (aref xlfd-fields i))
598 (aset xlfd-fields i nil)))
601 (defun x-compose-font-name (fields &optional reduce)
602 "Compose X fontname from FIELDS.
603 FIELDS is a vector of XLFD fields, of length 12.
604 If a field is nil, wild-card letter `*' is embedded.
605 Optional argument REDUCE exists just for backward compatibility,
606 and is always ignored."
607 (concat "-" (mapconcat (lambda (x) (or x "*")) fields "-")))
610 (defun x-must-resolve-font-name (xlfd-fields)
611 "Like `x-resolve-font-name', but always return a font name.
612 XLFD-FIELDS is a vector of XLFD (X Logical Font Description) fields.
613 If no font matching XLFD-FIELDS is available, successively replace
614 parts of the font name pattern with \"*\" until some font is found.
615 Value is name of that font."
616 (let ((ascii-font nil) (index 0))
617 (while (and (null ascii-font) (<= index xlfd-regexp-registry-subnum))
618 (let ((pattern (x-compose-font-name xlfd-fields)))
620 (setq ascii-font (x-resolve-font-name pattern))
622 (message "Warning: no fonts matching `%s' available" pattern)
623 (aset xlfd-fields index "*")
624 (setq index (1+ index))))))
626 (error "No fonts found"))
630 (defun x-complement-fontset-spec (xlfd-fields fontlist)
631 "Complement elements of FONTLIST based on XLFD-FIELDS.
632 XLFD-FIELDS is a vector of XLFD (X Logical Font Description) fields.
633 FONTLIST is an alist of script names vs the corresponding font names.
635 The font names are complemented as below.
637 If a font name matches `xlfd-style-regexp', each field of wild card is
638 replaced by the corresponding fields in XLFD-FIELDS."
639 (let ((default-spec (vector (aref xlfd-fields xlfd-regexp-family-subnum)
640 (aref xlfd-fields xlfd-regexp-weight-subnum)
641 (aref xlfd-fields xlfd-regexp-slant-subnum)
642 (aref xlfd-fields xlfd-regexp-swidth-subnum)
643 (aref xlfd-fields xlfd-regexp-adstyle-subnum)
644 (aref xlfd-fields xlfd-regexp-registry-subnum))))
645 (dolist (elt fontlist)
646 (let ((name (cadr elt))
648 (when (or (string-match xlfd-style-regexp name)
649 (and (setq name (car (x-list-fonts name nil nil 1)))
650 (string-match xlfd-style-regexp name)))
651 (setq font-spec (make-vector 6 nil))
653 (aset font-spec i (match-string (1+ i) name)))
655 (if (string-match "^[*-]+$" (aref font-spec i))
656 (aset font-spec i (aref default-spec i))))
657 (setcar (cdr elt) font-spec))))
661 (defun fontset-name-p (fontset)
662 "Return non-nil if FONTSET is valid as fontset name.
663 A valid fontset name should conform to XLFD (X Logical Font Description)
664 with \"fontset\" in `<CHARSET_REGISTRY>' field."
665 (and (string-match xlfd-tight-regexp fontset)
666 (string= (match-string (1+ xlfd-regexp-registry-subnum) fontset)
669 (defun generate-fontset-menu ()
670 "Return list to be appended to `x-fixed-font-alist'.
671 Done when `mouse-set-font' is called."
673 (dolist (fontset (fontset-list))
674 (or (string-match "fontset-default$" fontset)
675 (push (list (fontset-plain-name fontset) fontset) l)))
677 (sort l #'(lambda (x y) (string< (car x) (car y)))))))
679 (defun fontset-plain-name (fontset)
680 "Return a plain and descriptive name of FONTSET."
681 (if (not (setq fontset (query-fontset fontset)))
682 (error "Invalid fontset: %s" fontset))
683 (let ((xlfd-fields (x-decompose-font-name fontset)))
685 (let ((family (aref xlfd-fields xlfd-regexp-family-subnum))
686 (weight (aref xlfd-fields xlfd-regexp-weight-subnum))
687 (slant (aref xlfd-fields xlfd-regexp-slant-subnum))
688 (swidth (aref xlfd-fields xlfd-regexp-swidth-subnum))
689 (size (aref xlfd-fields xlfd-regexp-pixelsize-subnum))
690 (nickname (aref xlfd-fields xlfd-regexp-registry-subnum))
692 (if (not (string-match "^fontset-\\(.*\\)$" nickname))
693 (setq nickname family)
694 (setq nickname (match-string 1 nickname)))
695 (if (and size (> (string-to-number size) 0))
696 (setq name (format "%s: %s-dot" nickname size))
697 (setq name nickname))
699 (cond ((string-match "^medium$" weight)
700 (setq name (concat name " " "medium")))
701 ((string-match "^bold$\\|^demibold$" weight)
702 (setq name (concat name " " weight)))))
704 (cond ((string-match "^i$" slant)
705 (setq name (concat name " " "italic")))
706 ((string-match "^o$" slant)
707 (setq name (concat name " " "slant")))
708 ((string-match "^ri$" slant)
709 (setq name (concat name " " "reverse italic")))
710 ((string-match "^ro$" slant)
711 (setq name (concat name " " "reverse slant")))))
715 (defvar charset-script-alist
717 (latin-iso8859-1 . latin)
718 (latin-iso8859-2 . latin)
719 (latin-iso8859-3 . latin)
720 (latin-iso8859-4 . latin)
721 (latin-iso8859-9 . latin)
722 (latin-iso8859-10 . latin)
723 (latin-iso8859-13 . latin)
724 (latin-iso8859-14 . latin)
725 (latin-iso8859-15 . latin)
726 (latin-iso8859-16 . latin)
727 (latin-jisx0201 . latin)
729 (cyrillic-iso8859-5 . cyrillic)
730 (arabic-iso8859-6 . arabic)
731 (greek-iso8859-7 . latin)
732 (hebrew-iso8859-8 . latin)
733 (katakana-jisx0201 . kana)
734 (chinese-gb2312 . han)
736 (gb18030-2-byte . han)
737 (gb18030-4-byte-bmp . han)
738 (gb18030-4-byte-ext-1 . han)
739 (gb18030-4-byte-ext-2 . han)
740 (gb18030-4-byte-smp . han)
741 (chinese-big5-1 . han)
742 (chinese-big5-2 . han)
743 (chinese-cns11643-1 . han)
744 (chinese-cns11643-2 . han)
745 (chinese-cns11643-3 . han)
746 (chinese-cns11643-4 . han)
747 (chinese-cns11643-5 . han)
748 (chinese-cns11643-6 . han)
749 (chinese-cns11643-7 . han)
750 (japanese-jisx0208 . han)
751 (japanese-jisx0208-1978 . han)
752 (japanese-jisx0212 . han)
753 (japanese-jisx0213-1 . han)
754 (japanese-jisx0213-2 . han)
755 (korean-ksc5601 . hangul)
756 (chinese-sisheng . bopomofo)
757 (vietnamese-viscii-lower . latin)
758 (vietnamese-viscii-upper . latin)
759 (arabic-digit . arabic)
760 (arabic-1-column . arabic)
761 (arabic-2-column . arabic)
762 (indian-is13194 . devanagari)
763 (indian-glyph . devanagari)
764 (indian-1-column . devanagari)
765 (indian-2-column . devanagari)
766 (tibetan-1-column . tibetan))
767 "Alist of charsets vs the corresponding most appropriate scripts.
769 This alist is used by the function `create-fontset-from-fontset-spec'
770 to map charsets to scripts.")
772 (defun create-fontset-from-fontset-spec (fontset-spec
773 &optional style-variant noerror)
774 "Create a fontset from fontset specification string FONTSET-SPEC.
775 FONTSET-SPEC is a string of the format:
776 FONTSET-NAME,SCRIPT0:FONT0,SCRIPT1:FONT1, ...
777 Any number of SPACE, TAB, and NEWLINE can be put before and after commas.
779 When a frame uses the fontset as the `font' parameter, the frame's
780 default font name is derived from FONTSET-NAME by substituting
781 \"iso8859-1\" for the tail part \"fontset-XXX\". But, if SCRIPT-NAMEn
782 is \"ascii\", use the corresponding FONT-NAMEn as the default font
785 Optional 2nd and 3rd arguments exist just for backward compatibility,
788 It returns a name of the created fontset.
790 For backward compatibility, SCRIPT-NAME may be a charset name, in
791 which case, the corresponding script is decided by the variable
792 `charset-script-alist' (which see)."
793 (or (string-match "^[^,]+" fontset-spec)
794 (error "Invalid fontset spec: %s" fontset-spec))
795 (let ((idx (match-end 0))
796 (name (match-string 0 fontset-spec))
797 xlfd-fields target script fontlist)
798 (setq xlfd-fields (x-decompose-font-name name))
800 (error "Fontset name \"%s\" not conforming to XLFD" name))
802 ;; At first, extract pairs of charset and fontname from FONTSET-SPEC.
803 (while (string-match "[, \t\n]*\\([^:]+\\):[ \t]*\\([^,]+\\)"
805 (setq idx (match-end 0))
806 (setq target (intern (match-string 1 fontset-spec)))
807 (cond ((or (eq target 'ascii)
808 (memq target (char-table-extra-slot char-script-table 0)))
809 (push (list target (match-string 2 fontset-spec)) fontlist))
810 ((setq script (cdr (assq target charset-script-alist)))
811 (push (list script (match-string 2 fontset-spec)) fontlist))
813 (push (list target (match-string 2 fontset-spec)) fontlist))))
815 ;; Complement FONTLIST.
816 (setq fontlist (x-complement-fontset-spec xlfd-fields fontlist))
819 (new-fontset name (nreverse fontlist))))
821 (defun create-fontset-from-ascii-font (font &optional resolved-font
823 "Create a fontset from an ASCII font FONT.
825 Optional 2nd arg RESOLVED-FONT is a resolved name of FONT.
826 If omitted, `x-resolve-font-name' is called to get the resolved name.
827 At this time, if FONT is not available, an error is signaled.
829 Optional 3rd arg FONTSET-NAME is a string to be used in
830 `<CHARSET_ENCODING>' fields of a new fontset name. If it is omitted,
831 an appropriate name is generated automatically.
833 It returns a name of the created fontset."
834 (setq font (downcase font))
836 (downcase (or resolved-font (x-resolve-font-name font))))
837 (let ((xlfd (x-decompose-font-name resolved-font))
840 (setq fontset-name (downcase fontset-name))
841 (if (query-fontset "fontset-startup")
843 (subst-char-in-string
844 ?- ?_ (aref xlfd xlfd-regexp-registry-subnum) t))
845 (setq fontset-name "startup")))
846 (aset xlfd xlfd-regexp-registry-subnum
847 (format "fontset-%s" fontset-name))
848 (setq fontset (x-compose-font-name xlfd))
849 (or (query-fontset fontset)
850 (create-fontset-from-fontset-spec (concat fontset ", ascii:" font)))))
853 ;; Create standard fontset from 16 dots fonts which are the most widely
854 ;; installed fonts. Fonts for Chinese-GB, Korean, and Chinese-CNS are
855 ;; specified here because FAMILY of those fonts are not "fixed" in
857 (defvar standard-fontset-spec
858 (purecopy "-*-fixed-medium-r-normal-*-16-*-*-*-*-*-fontset-standard")
859 "String of fontset spec of the standard fontset.
860 You have the biggest chance to display international characters
861 with correct glyphs by using the standard fontset.
862 See the documentation of `create-fontset-from-fontset-spec' for the format.")
865 ;; Create fontsets from X resources of the name `fontset-N (class
866 ;; Fontset-N)' where N is integer 0, 1, ...
867 ;; The values of the resources the string of the same format as
868 ;; `standard-fontset-spec'.
870 (defun create-fontset-from-x-resource ()
873 (while (setq fontset-spec (x-get-resource (format "fontset-%d" idx)
874 (format "Fontset-%d" idx)))
875 (create-fontset-from-fontset-spec fontset-spec t 'noerror)
876 (setq idx (1+ idx)))))
881 ;;; arch-tag: bb53e629-0234-403c-950e-551e61554849
882 ;;; fontset.el ends here