code.delx.au - gnu-emacs/blob - lisp/international/fontset.el

   1 ;;; fontset.el --- commands for handling fontset
   2
   3 ;; Copyright (C) 1997-2016 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
  11
  12 ;; Keywords: mule, i18n, fontset
  13
  14 ;; This file is part of GNU Emacs.
  15
  16 ;; GNU Emacs is free software: you can redistribute it and/or modify
  17 ;; it under the terms of the GNU General Public License as published by
  18 ;; the Free Software Foundation, either version 3 of the License, or
  19 ;; (at your option) any later version.
  20
  21 ;; GNU Emacs is distributed in the hope that it will be useful,
  22 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  23 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24 ;; GNU General Public License for more details.
  25
  26 ;; You should have received a copy of the GNU General Public License
  27 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  28
  29 ;;; Commentary:
  30
  31 ;;; Code:
  32
  33 ;; Setup font-encoding-alist for all known encodings.
  34
  35 (setq font-encoding-alist
  36       (mapcar (lambda (arg)
  37                 (cons (purecopy (car arg)) (cdr arg)))
  38       '(("iso8859-1$" . iso-8859-1)
  39         ("iso8859-2$" . iso-8859-2)
  40         ("iso8859-3$" . iso-8859-3)
  41         ("iso8859-4$" . iso-8859-4)
  42         ("iso8859-5$" . iso-8859-5)
  43         ("iso8859-6$" . iso-8859-6)
  44         ("iso8859-7$" . iso-8859-7)
  45         ("iso8859-8$" . iso-8859-8)
  46         ("iso8859-9$" . iso-8859-9)
  47         ("iso8859-10$" . iso-8859-10)
  48         ("iso8859-11$" . iso-8859-11)
  49         ("iso8859-13$" . iso-8859-13)
  50         ("iso8859-14$" . iso-8859-14)
  51         ("iso8859-15$" . iso-8859-15)
  52         ("iso8859-16$" . iso-8859-16)
  53         ("ascii-0$" . ascii)
  54         ("gb2312.1980" . chinese-gb2312)
  55         ("gbk" . chinese-gbk)
  56         ("gb18030" . (unicode . nil))
  57         ("jisx0208.1978" . japanese-jisx0208-1978)
  58         ("jisx0208" . japanese-jisx0208)
  59         ("jisx0201" . jisx0201)
  60         ("jisx0212" . japanese-jisx0212)
  61         ("ksx1001" . korean-ksc5601)
  62         ("ksc5601.1987" . korean-ksc5601)
  63         ("cns11643.1992.*1" . chinese-cns11643-1)
  64         ("cns11643.1992.*2" . chinese-cns11643-2)
  65         ("cns11643.1992.*3" . chinese-cns11643-3)
  66         ("cns11643.1992.*4" . chinese-cns11643-4)
  67         ("cns11643.1992.*5" . chinese-cns11643-5)
  68         ("cns11643.1992.*6" . chinese-cns11643-6)
  69         ("cns11643.1992.*7" . chinese-cns11643-7)
  70         ("cns11643.92p1-0" . chinese-cns11643-1)
  71         ("cns11643.92p2-0" . chinese-cns11643-2)
  72         ("cns11643.92p3-0" . chinese-cns11643-3)
  73         ("cns11643.92p4-0" . chinese-cns11643-4)
  74         ("cns11643.92p5-0" . chinese-cns11643-5)
  75         ("cns11643.92p6-0" . chinese-cns11643-6)
  76         ("cns11643.92p7-0" . chinese-cns11643-7)
  77         ("big5" . big5)
  78         ("viscii" . viscii)
  79         ("tis620" . tis620-2533)
  80         ("microsoft-cp1251" . windows-1251)
  81         ("koi8-r" . koi8-r)
  82         ("jisx0213.2000-1" . japanese-jisx0213-1)
  83         ("jisx0213.2000-2" . japanese-jisx0213-2)
  84         ("jisx0213.2004-1" . japanese-jisx0213.2004-1)
  85         ("iso10646-1$" . (unicode-bmp . nil))
  86         ("iso10646.indian-1" . (unicode-bmp . nil))
  87         ("unicode-bmp" . (unicode-bmp . nil))
  88         ("abobe-symbol" . symbol)
  89         ("sisheng_cwnn" . chinese-sisheng)
  90         ("mulearabic-0" . arabic-digit)
  91         ("mulearabic-1" . arabic-1-column)
  92         ("mulearabic-2" . arabic-2-column)
  93         ("muleipa" . ipa)
  94         ("ethiopic-unicode" . (unicode-bmp . ethiopic))
  95         ("is13194-devanagari" . indian-is13194)
  96         ("Devanagari-CDAC" . devanagari-cdac)
  97         ("Sanskrit-CDAC" . sanskrit-cdac)
  98         ("Bengali-CDAC" . bengali-cdac)
  99         ("Assamese-CDAC" . assamese-cdac)
 100         ("Punjabi-CDAC" . punjabi-cdac)
 101         ("Gujarati-CDAC" . gujarati-cdac)
 102         ("Oriya-CDAC" . oriya-cdac)
 103         ("Tamil-CDAC" . tamil-cdac)
 104         ("Telugu-CDAC" . telugu-cdac)
 105         ("Kannada-CDAC" . kannada-cdac)
 106         ("Malayalam-CDAC" . malayalam-cdac)
 107         ("Devanagari-Akruti" . devanagari-akruti)
 108         ("Bengali-Akruti" . bengali-akruti)
 109         ("Punjabi-Akruti" . punjabi-akruti)
 110         ("Gujarati-Akruti" . gujarati-akruti)
 111         ("Oriya-Akruti" . oriya-akruti)
 112         ("Tamil-Akruti" . tamil-akruti)
 113         ("Telugu-Akruti" . telugu-akruti)
 114         ("Kannada-Akruti" . kannada-akruti)
 115         ("Malayalam-Akruti" . malayalam-akruti)
 116         ("muleindian-2" . indian-2-column)
 117         ("muleindian-1" . indian-1-column)
 118         ("mulelao-1" . mule-lao)
 119         ("muletibetan-2" . tibetan)
 120         ("muletibetan-0" . tibetan)
 121         ("muletibetan-1" . tibetan-1-column))))
 122
 123 (defvar font-encoding-charset-alist)
 124
 125 (setq font-encoding-charset-alist
 126       '((latin-iso8859-1 . iso-8859-1)
 127         (latin-iso8859-2 . iso-8859-2)
 128         (latin-iso8859-3 . iso-8859-3)
 129         (latin-iso8859-4 . iso-8859-4)
 130         (latin-iso8859-9 . iso-8859-9)
 131         (latin-iso8859-10 . iso-8859-10)
 132         (latin-iso8859-13 . iso-8859-13)
 133         (latin-iso8859-14 . iso-8859-14)
 134         (latin-iso8859-15 . iso-8859-15)
 135         (latin-iso8859-16 . iso-8859-16)
 136         (cyrillic-iso8859-5 . iso-8859-5)
 137         (greek-iso8859-7 . iso-8859-7)
 138         (arabic-iso8859-6 . iso-8859-6)
 139         (thai-tis620 . tis620-2533)
 140         (latin-jisx0201 . jisx0201)
 141         (katakana-jisx0201 . jisx0201)
 142         (chinese-big5-1 . big5)
 143         (chinese-big5-2 . big5)
 144         (vietnamese-viscii-lower . viscii)
 145         (vietnamese-viscii-upper . viscii)
 146         (tibetan . unicode-bmp)))
 147
 148 (setq script-representative-chars
 149       '((latin ?A ?Z ?a ?z #x00C0 #x0100 #x0180 #x1e00)
 150         (phonetic #x250 #x283)
 151         (greek #x3A9)
 152         (coptic #x3E2)
 153         (cyrillic #x42F)
 154         (armenian #x531)
 155         (hebrew #x5D0)
 156         (vai #xA500)
 157         (arabic #x628)
 158         (syriac #x710)
 159         (thaana #x78C)
 160         (devanagari #x915)
 161         (bengali #x995)
 162         (gurmukhi #xA15)
 163         (gujarati #xA95)
 164         (oriya #xB15)
 165         (tamil #xB95)
 166         (telugu #xC15)
 167         (kannada #xC95)
 168         (malayalam #xD15)
 169         (sinhala #xD95)
 170         (thai #xE17)
 171         (lao #xEA5)
 172         (tibetan #xF40)
 173         (burmese #x1000)
 174         (georgian #x10D3)
 175         (ethiopic #x1208)
 176         (cherokee #x13B6)
 177         (canadian-aboriginal #x14C0)
 178         (ogham #x168F)
 179         (runic #x16A0)
 180         (khmer #x1780)
 181         (mongolian #x1826)
 182         (symbol . [#x201C #x2200 #x2500])
 183         (braille #x2800)
 184         (ideographic-description #x2FF0)
 185         (cjk-misc #x300E)
 186         (kana #x304B)
 187         (bopomofo #x3105)
 188         (kanbun #x319D)
 189         (han #x5B57)
 190         (yi #xA288)
 191         (cham #xAA00)
 192         (tai-viet #xAA80)
 193         (hangul #xAC00)
 194         (linear-b #x10000)
 195         (aegean-number #x10100)
 196         (ancient-greek-number #x10140)
 197         (ancient-symbol #x10190)
 198         (phaistos-disc #x101D0)
 199         (lycian #x10280)
 200         (carian #x102A0)
 201         (old-italic #x10300)
 202         (ugaritic #x10380)
 203         (old-permic #x10350)
 204         (old-persian #x103A0)
 205         (deseret #x10400)
 206         (shavian #x10450)
 207         (osmanya #x10480)
 208         (osage #x104B0)
 209         (elbasan #x10500)
 210         (caucasian-albanian #x10530)
 211         (linear-a #x10600)
 212         (cypriot-syllabary #x10800)
 213         (palmyrene #x10860)
 214         (nabataean #x10880)
 215         (phoenician #x10900)
 216         (lydian #x10920)
 217         (kharoshthi #x10A00)
 218         (manichaean #x10AC0)
 219         (mahajani #x11150)
 220         (sinhala-archaic-number #x111E1)
 221         (khojki #x11200)
 222         (khudawadi #x112B0)
 223         (grantha #x11305)
 224         (newa #x11400)
 225         (tirhuta #x11481)
 226         (siddham #x11580)
 227         (modi #x11600)
 228         (takri #x11680)
 229         (warang-citi #x118A1)
 230         (pau-cin-hau #x11AC0)
 231         (bhaiksuki #x11C00)
 232         (marchen #x11C72)
 233         (cuneiform #x12000)
 234         (cuneiform-numbers-and-punctuation #x12400)
 235         (mro #x16A40)
 236         (bassa-vah #x16AD0)
 237         (pahawh-hmong #x16B11)
 238         (tangut #x17000)
 239         (tangut-components #x18800)
 240         (duployan-shorthand #x1BC20)
 241         (byzantine-musical-symbol #x1D000)
 242         (musical-symbol #x1D100)
 243         (ancient-greek-musical-notation #x1D200)
 244         (tai-xuan-jing-symbol #x1D300)
 245         (counting-rod-numeral #x1D360)
 246         (mende-kikakui #x1E810)
 247         (adlam #x1E900)
 248         (mahjong-tile #x1F000)
 249         (domino-tile #x1F030)))
 250
 251 (defvar otf-script-alist)
 252
 253 ;; The below was synchronized with the latest Feb 25, 2016 version of
 254 ;; https://www.microsoft.com/typography/otspec/scripttags.htm.
 255 (setq otf-script-alist
 256       '((adlm . adlam)
 257         (ahom . ahom)
 258         (hluw . anatolian)
 259         (arab . arabic)
 260         (armi . aramaic)
 261         (armn . armenian)
 262         (avst . avestan)
 263         (bali . balinese)
 264         (bamu . bamum)
 265         (bass . bassa-vah)
 266         (batk . batak)
 267         (bng2 . bengali)
 268         (beng . bengali)
 269         (bhks . bhaiksuki)
 270         (bopo . bopomofo)
 271         (brah . brahmi)
 272         (brai . braille)
 273         (bugi . buginese)
 274         (buhd . buhid)
 275         (byzm . byzantine-musical-symbol)
 276         (cans . canadian-aboriginal)
 277         (cari . carian)
 278         (aghb . caucasian-albanian)
 279         (cakm . chakma)
 280         (cham . cham)
 281         (cher . cherokee)
 282         (copt . coptic)
 283         (xsux . cuneiform)
 284         (cprt . cypriot)
 285         (cyrl . cyrillic)
 286         (dsrt . deseret)
 287         (deva . devanagari)
 288         (dev2 . devanagari)
 289         (dupl . duployan-shorthand)
 290         (egyp . egyptian)
 291         (elba . elbasan)
 292         (ethi . ethiopic)
 293         (geor . georgian)
 294         (glag . glagolitic)
 295         (goth . gothic)
 296         (gran . grantha)
 297         (grek . greek)
 298         (gujr . gujarati)
 299         (gjr2 . gujarati)
 300         (guru . gurmukhi)
 301         (gur2 . gurmukhi)
 302         (hani . han)
 303         (hang . hangul)
 304         (jamo . hangul)
 305         (hano . hanunoo)
 306         (hatr . hatran)
 307         (hebr . hebrew)
 308         (phli . inscriptional-pahlavi)
 309         (prti . inscriptional-parthian)
 310         (java . javanese)
 311         (kthi . kaithi)
 312         (kana . kana)   ; Hiragana
 313         (knda . kannada)
 314         (knd2 . kannada)
 315         (kali . kayah-li)
 316         (khar . kharoshthi)
 317         (khmr . khmer)
 318         (khoj . khojki)
 319         (sind . khudawadi)
 320         (lao\  . lao)
 321         (latn . latin)
 322         (lepc . lepcha)
 323         (limb . limbu)
 324         (lina . linear_a)
 325         (linb . linear_b)
 326         (lisu . lisu)
 327         (lyci . lycian)
 328         (lydi . lydian)
 329         (mahj . mahajani)
 330         (marc . marchen)
 331         (mlym . malayalam)
 332         (mlm2 . malayalam)
 333         (mand . mandaic)
 334         (mani . manichaean)
 335         (math . mathematical)
 336         (mtei . meetei-mayek)
 337         (mend . mende-kikakui)
 338         (merc . meroitic)
 339         (mero . meroitic)
 340         (plrd . miao)
 341         (modi . modi)
 342         (mong . mongolian)
 343         (mroo . mro)
 344         (mult . multani)
 345         (musc . musical-symbol)
 346         (mym2 . burmese)
 347         (mymr . burmese)
 348         (nbat . nabataean)
 349         (newa . newa)
 350         (nko\  . nko)
 351         (ogam . ogham)
 352         (olck . ol-chiki)
 353         (ital . old_italic)
 354         (xpeo . old_persian)
 355         (narb . old-north-arabian)
 356         (perm . old-permic)
 357         (sarb . old-south-arabian)
 358         (orkh . old-turkic)
 359         (orya . oriya)
 360         (ory2 . oriya)
 361         (osge . osage)
 362         (osma . osmanya)
 363         (hmng . pahawh-hmong)
 364         (palm . palmyrene)
 365         (pauc . pau-cin-hau)
 366         (phag . phags-pa)
 367         (phli . inscriptional-pahlavi)
 368         (phnx . phoenician)
 369         (phlp . psalter-pahlavi)
 370         (prti . inscriptional-parthian)
 371         (rjng . rejang)
 372         (runr . runic)
 373         (samr . samaritan)
 374         (saur . saurashtra)
 375         (shrd . sharada)
 376         (shaw . shavian)
 377         (sidd . siddham)
 378         (sgnw . sutton-sign-writing)
 379         (sinh . sinhala)
 380         (sora . sora-sompeng)
 381         (sund . sundanese)
 382         (sylo . syloti_nagri)
 383         (syrc . syriac)
 384         (tglg . tagalog)
 385         (tagb . tagbanwa)
 386         (tale . tai_le)
 387         (talu . tai-lue)
 388         (lana . tai-tham)
 389         (tavt . tai-viet)
 390         (takr . takri)
 391         (taml . tamil)
 392         (tml2 . tamil)
 393         (tang . tangut)
 394         (telu . telugu)
 395         (tel2 . telugu)
 396         (thaa . thaana)
 397         (thai . thai)
 398         (tibt . tibetan)
 399         (tfng . tifinagh)
 400         (tirh . tirhuta)
 401         (ugar . ugaritic)
 402         (vai\  . vai)
 403         (wara . warang-citi)
 404         (yi\ \   . yi)))
 405
 406 ;; Set standard fontname specification of characters in the default
 407 ;; fontset to find an appropriate font for each script/charset.  The
 408 ;; specification has the form ((SCRIPT FONT-SPEC ...) ...), where
 409 ;; FONT-SPEC is:
 410 ;;      a cons (FAMILY . REGISTRY),
 411 ;;      or a string FONT-NAME,
 412 ;;      or an object created by `font-spec'.
 413 ;;
 414 ;; FAMILY may be nil, in which case, the corresponding name of
 415 ;; default face is used.  If REGISTRY contains a character `-', the
 416 ;; string before that is embedded in `CHARSET_REGISTRY' field, and the
 417 ;; string after that is embedded in `CHARSET_ENCODING' field.  If it
 418 ;; does not contain `-', the whole string is embedded in
 419 ;; `CHARSET_REGISTRY' field, and a wild card character `*' is embedded
 420 ;; in `CHARSET_ENCODING' field.
 421 ;;
 422 ;; SCRIPT is a symbol that appears as an element of the char table
 423 ;; `char-script-table'.  SCRIPT may be a charset specifying the range
 424 ;; of characters.
 425
 426 (declare-function new-fontset "fontset.c" (name fontlist))
 427 (declare-function set-fontset-font "fontset.c"
 428                   (name target font-spec &optional frame add))
 429
 430 (eval-when-compile
 431
 432 ;; Build data to initialize the default fontset at compile time to
 433 ;; avoid loading charsets that won't be necessary at runtime.
 434
 435 ;; The value is (CJK-REGISTRY-VECTOR TARGET-SPEC ...), where
 436 ;; CJK-REGISTRY-VECTOR is ["JISX0208.1983-0" "GB2312.1980-0" ...],
 437 ;; TARGET-SPEC is (TARGET . BITMASK) or (TARGET SPEC ...),
 438 ;; TARGET is CHAR or (FROM-CHAR . TO-CHAR),
 439 ;; BITMASK is a bitmask of indices to CJK-REGISTRY-VECTOR,
 440 ;; SPEC is a list of arguments to font-spec.
 441
 442 (defmacro build-default-fontset-data ()
 443   (let* (;;       CHARSET-REGISTRY  CHARSET            FROM-CODE TO-CODE
 444          (cjk '(("JISX0208.1983-0" japanese-jisx0208  #x2121    #x287E)
 445                 ("GB2312.1980-0"   chinese-gb2312     #x2121    #x297E)
 446                 ("BIG5-0"          big5               #xA140    #xA3FE)
 447                 ("CNS11643.1992-1" chinese-cns11643-1 #x2121    #x427E)
 448                 ("KSC5601.1987-0"  korean-ksc5601     #x2121    #x2C7E)))
 449          (scripts '((tibetan
 450                      (:registry "iso10646-1" :otf (tibt nil (ccmp blws abvs)))
 451                      (:family "mtib" :registry "iso10646-1")
 452                      (:registry "muletibetan-2"))
 453                     (ethiopic
 454                      (:registry "iso10646-1" :script ethiopic)
 455                      (:registry "ethiopic-unicode"))
 456                     (phonetic
 457                      (:registry "iso10646-1" :script phonetic)
 458                      (:registry "MuleIPA-1")
 459                      (:registry "iso10646-1"))))
 460          (cjk-table (make-char-table nil))
 461          (script-coverage
 462           #'(lambda (script)
 463               (let ((coverage))
 464                 (map-char-table
 465                  #'(lambda (range val)
 466                      (when (eq val script)
 467                        (if (consp range)
 468                            (setq range (cons (car range) (cdr range))))
 469                        (push range coverage)))
 470                  char-script-table)
 471                 coverage)))
 472          (data (list (vconcat (mapcar 'car cjk))))
 473          (i 0))
 474     (dolist (elt cjk)
 475       (let ((mask (lsh 1 i)))
 476         (map-charset-chars
 477          #'(lambda (range _arg)
 478              (let ((from (car range)) (to (cdr range)))
 479                (if (< to #x110000)
 480                    (while (<= from to)
 481                      (or (memq (aref char-script-table from)
 482                                '(kana hangul han cjk-misc))
 483                          (aset cjk-table from
 484                                (logior (or (aref cjk-table from) 0) mask)))
 485                      (setq from (1+ from))))))
 486          (nth 1 elt) nil (nth 2 elt) (nth 3 elt)))
 487       (setq i (1+ i)))
 488     (map-char-table
 489      #'(lambda (range val)
 490          (if (consp range)
 491              (setq range (cons (car range) (cdr range))))
 492          (push (cons range val) data))
 493      cjk-table)
 494     (dolist (script scripts)
 495       (dolist (range (funcall script-coverage (car script)))
 496         (push (cons range (cdr script)) data)))
 497     `(quote ,(nreverse data))))
 498 )
 499
 500 (defun setup-default-fontset ()
 501   "Setup the default fontset."
 502   (new-fontset
 503    "fontset-default"
 504    `(;; for each script
 505      (latin (nil . "ISO8859-1")
 506             (nil . "ISO8859-2")
 507             (nil . "ISO8859-3")
 508             (nil . "ISO8859-4")
 509             (nil . "ISO8859-9")
 510             (nil . "ISO8859-10")
 511             (nil . "ISO8859-13")
 512             (nil . "ISO8859-14")
 513             (nil . "ISO8859-15")
 514             (nil . "ISO8859-16")
 515             (nil . "VISCII1.1-1")
 516             ,(font-spec :registry "iso10646-1" :script 'latin))
 517
 518      (thai  ,(font-spec :registry "iso10646-1" :otf '(thai nil nil (mark)))
 519             ,(font-spec :registry "iso10646-1" :script 'thai)
 520             (nil . "TIS620*")
 521             (nil . "ISO8859-11"))
 522
 523      (devanagari ,(font-spec :registry "iso10646-1" :otf '(dev2 nil (rphf)))
 524                  ,(font-spec :registry "iso10646-1" :otf '(deva nil (rphf)))
 525                  (nil . "iso10646.indian-1"))
 526      (bengali ,(font-spec :registry "iso10646-1" :otf '(bng2 nil (rphf)))
 527               ,(font-spec :registry "iso10646-1" :otf '(beng nil (rphf))))
 528      (gurmukhi ,(font-spec :registry "iso10646-1" :otf '(gur2 nil (blwf)))
 529                ,(font-spec :registry "iso10646-1" :otf '(guru nil (blwf))))
 530      (gujarati ,(font-spec :registry "iso10646-1" :otf '(gjr2 nil (rphf)))
 531                ,(font-spec :registry "iso10646-1" :otf '(gujr nil (rphf))))
 532      (oriya ,(font-spec :registry "iso10646-1" :otf '(ory2 nil (rphf)))
 533             ,(font-spec :registry "iso10646-1" :otf '(orya nil (rphf))))
 534      (tamil ,(font-spec :registry "iso10646-1" :otf '(tml2 nil (akhn)))
 535             ,(font-spec :registry "iso10646-1" :otf '(taml nil (akhn))))
 536      (telugu ,(font-spec :registry "iso10646-1" :otf '(tel2 nil (blwf)))
 537              ,(font-spec :registry "iso10646-1" :otf '(telu nil (blwf))))
 538      (kannada ,(font-spec :registry "iso10646-1" :otf '(knd2 nil (rphf)))
 539               ,(font-spec :registry "iso10646-1" :otf '(knda nil (rphf))))
 540      (sinhala ,(font-spec :registry "iso10646-1" :otf '(sinh nil (akhn))))
 541      (malayalam ,(font-spec :registry "iso10646-1" :otf '(mlm2 nil (akhn)))
 542                 ,(font-spec :registry "iso10646-1" :otf '(mlym nil (akhn))))
 543
 544      (burmese ,(font-spec :registry "iso10646-1" :otf '(mym2 nil nil))
 545               ,(font-spec :registry "iso10646-1" :otf '(mymr nil nil))
 546               ,(font-spec :registry "iso10646-1" :script 'burmese))
 547
 548      (lao ,(font-spec :registry "iso10646-1" :otf '(lao\  nil nil (mark)))
 549           ,(font-spec :registry "iso10646-1" :script 'lao)
 550           (nil . "MuleLao-1"))
 551
 552      (tai-viet ("TaiViet" . "iso10646-1"))
 553
 554      (greek ,(font-spec :registry "iso10646-1" :script 'greek)
 555             (nil . "ISO8859-7"))
 556
 557      (cyrillic ,(font-spec :registry "iso10646-1" :script 'cyrillic)
 558                (nil . "ISO8859-5")
 559                (nil . "microsoft-cp1251")
 560                (nil . "koi8-r"))
 561
 562      (arabic ,(font-spec :registry "iso10646-1"
 563                          :otf '(arab nil (init medi fina liga)))
 564              (nil . "MuleArabic-0")
 565              (nil . "MuleArabic-1")
 566              (nil . "MuleArabic-2")
 567              (nil . "ISO8859-6"))
 568
 569      (hebrew ,(font-spec :registry "iso10646-1" :script 'hebrew)
 570              (nil . "ISO8859-8"))
 571
 572      (khmer ,(font-spec :registry "iso10646-1" :otf '(khmr nil (pres))))
 573
 574      (kana (nil . "JISX0208*")
 575            (nil . "GB2312.1980-0")
 576            (nil . "KSC5601.1987*")
 577            (nil . "JISX0201*")
 578            (nil . "JISX0213.2000-1")
 579            (nil . "JISX0213.2004-1")
 580            ,(font-spec :registry "iso10646-1" :script 'kana))
 581
 582      (bopomofo ,(font-spec :registry "iso10646-1" :script 'bopomofo)
 583                (nil . "sisheng_cwnn-0"))
 584
 585      (han (nil . "GB2312.1980-0")
 586           (nil . "JISX0208*")
 587           (nil . "JISX0212*")
 588           (nil . "big5*")
 589           (nil . "KSC5601.1987*")
 590           (nil . "CNS11643.1992-1")
 591           (nil . "CNS11643.1992-2")
 592           (nil . "CNS11643.1992-3")
 593           (nil . "CNS11643.1992-4")
 594           (nil . "CNS11643.1992-5")
 595           (nil . "CNS11643.1992-6")
 596           (nil . "CNS11643.1992-7")
 597           (nil . "gbk-0")
 598           (nil . "gb18030")
 599           (nil . "JISX0213.2000-1")
 600           (nil . "JISX0213.2000-2")
 601           (nil . "JISX0213.2004-1")
 602           ,(font-spec :registry "iso10646-1" :lang 'ja)
 603           ,(font-spec :registry "iso10646-1" :lang 'zh))
 604
 605      (cjk-misc (nil . "GB2312.1980-0")
 606                (nil . "JISX0208*")
 607                (nil . "JISX0212*")
 608                (nil . "big5*")
 609                (nil . "KSC5601.1987*")
 610                (nil . "CNS11643.1992-1")
 611                (nil . "CNS11643.1992-2")
 612                (nil . "CNS11643.1992-3")
 613                (nil . "CNS11643.1992-4")
 614                (nil . "CNS11643.1992-5")
 615                (nil . "CNS11643.1992-6")
 616                (nil . "CNS11643.1992-7")
 617                (nil . "gbk-0")
 618                (nil . "gb18030")
 619                (nil . "JISX0213.2000-1")
 620                (nil . "JISX0213.2000-2")
 621                ,(font-spec :registry "iso10646-1" :lang 'ja)
 622                ,(font-spec :registry "iso10646-1" :lang 'zh))
 623
 624      (hangul (nil . "KSC5601.1987-0")
 625              ,(font-spec :registry "iso10646-1" :lang 'ko))
 626
 627      ;; for each charset
 628      (ascii (nil . "ISO8859-1"))
 629      (arabic-digit ("*" . "MuleArabic-0"))
 630      (arabic-1-column ("*" . "MuleArabic-1"))
 631      (arabic-2-column ("*" . "MuleArabic-2"))
 632      (indian-is13194 (nil . "is13194-devanagari"))
 633      (indian-1-column ("*" . "muleindian-2"))
 634      ;; Indian CDAC
 635      (devanagari-cdac (nil . "Devanagari-CDAC"))
 636      (sanskrit-cdac (nil . "Sanskrit-CDAC"))
 637      (bengali-cdac (nil . "Bengali-CDAC"))
 638      (assamese-cdac (nil . "Assamese-CDAC"))
 639      (punjabi-cdac (nil . "Punjabi-CDAC"))
 640      (gujarati-cdac (nil . "Gujarati-CDAC"))
 641      (oriya-cdac (nil . "Oriya-CDAC"))
 642      (tamil-cdac (nil . "Tamil-CDAC"))
 643      (telugu-cdac (nil . "Telugu-CDAC"))
 644      (kannada-cdac (nil . "Kannada-CDAC"))
 645      (malayalam-cdac (nil . "Malayalam-CDAC"))
 646      ;; Indian AKRUTI
 647      (devanagari-akruti (nil . "Devanagari-Akruti"))
 648      (bengali-akruti (nil . "Bengali-Akruti"))
 649      (punjabi-akruti (nil . "Punjabi-Akruti"))
 650      (gujarati-akruti (nil . "Gujarati-Akruti"))
 651      (oriya-akruti (nil . "Oriya-Akruti"))
 652      (tamil-akruti (nil . "Tamil-Akruti"))
 653      (telugu-akruti (nil . "Telugu-Akruti"))
 654      (kannada-akruti (nil . "Kannada-Akruti"))
 655      (malayalam-akruti (nil . "Malayalam-Akruti"))
 656
 657      ;; Fallback fonts
 658      (nil (nil . "gb2312.1980")
 659           (nil . "gbk-0")
 660           (nil . "gb18030")
 661           (nil . "jisx0208")
 662           (nil . "ksc5601.1987")
 663           (nil . "CNS11643.1992-1")
 664           (nil . "CNS11643.1992-2")
 665           (nil . "CNS11643.1992-3")
 666           (nil . "CNS11643.1992-4")
 667           (nil . "CNS11643.1992-5")
 668           (nil . "CNS11643.1992-6")
 669           (nil . "CNS11643.1992-7")
 670           (nil . "big5")
 671           (nil . "jisx0213.2000-1")
 672           (nil . "jisx0213.2004-1")
 673           (nil . "jisx0212"))
 674      ))
 675
 676   ;; For simple scripts
 677   (dolist (script '(phonetic
 678                     armenian
 679                     syriac
 680                     thaana
 681                     georgian
 682                     cherokee
 683                     canadian-aboriginal
 684                     ogham
 685                     runic
 686                     symbol
 687                     braille
 688                     yi
 689                     aegean-number
 690                     ancient-greek-number
 691                     ancient-symbol
 692                     phaistos-disc
 693                     lycian
 694                     carian
 695                     old-italic
 696                     ugaritic
 697                     old-persian
 698                     deseret
 699                     shavian
 700                     osmanya
 701                     cypriot-syllabary
 702                     phoenician
 703                     lydian
 704                     kharoshthi
 705                     cuneiform
 706                     cuneiform-numbers-and-punctuation
 707                     byzantine-musical-symbol
 708                     musical-symbol
 709                     ancient-greek-musical-notation
 710                     tai-xuan-jing-symbol
 711                     counting-rod-numeral
 712                     mahjong-tile
 713                     domino-tile))
 714     (set-fontset-font "fontset-default"
 715                       script (font-spec :registry "iso10646-1" :script script)
 716                       nil 'append))
 717
 718   ;; Special settings for `MATHEMATICAL (U+1D400..U+1D7FF)'.
 719   (dolist (math-subgroup '((#x1D400 #x1D433 mathematical-bold)
 720                            (#x1D434 #x1D467 mathematical-italic)
 721                            (#x1D468 #x1D49B mathematical-bold-italic)
 722                            (#x1D49C #x1D4CF mathematical-script)
 723                            (#x1D4D0 #x1D503 mathematical-bold-script)
 724                            (#x1D504 #x1D537 mathematical-fraktur)
 725                            (#x1D538 #x1D56B mathematical-double-struck)
 726                            (#x1D56C #x1D59F mathematical-bold-fraktur)
 727                            (#x1D5A0 #x1D5D3 mathematical-sans-serif)
 728                            (#x1D5D4 #x1D607 mathematical-sans-serif-bold)
 729                            (#x1D608 #x1D63B mathematical-sans-serif-italic)
 730                            (#x1D63C #x1D66F mathematical-sans-serif-bold-italic)
 731                            (#x1D670 #x1D6A3 mathematical-monospace)
 732                            (#x1D6A4 #x1D6A5 mathematical-italic)
 733                            (#x1D6A8 #x1D6E1 mathematical-bold)
 734                            (#x1D6E2 #x1D71B mathematical-italic)
 735                            (#x1D71C #x1D755 mathematical-bold-italic)
 736                            (#x1D756 #x1D78F mathematical-sans-serif-bold)
 737                            (#x1D790 #x1D7C9 mathematical-sans-serif-bold-italic)
 738                            (#x1D7CA #x1D7D7 mathematical-bold)
 739                            (#x1D7D8 #x1D7E1 mathematical-double-struck)
 740                            (#x1D7E2 #x1D7EB mathematical-sans-serif)
 741                            (#x1D7EC #x1D7F5 mathematical-sans-serif-bold)
 742                            (#x1D7F6 #x1D7FF mathematical-monospace)))
 743     (let ((slot (assq (nth 2 math-subgroup) script-representative-chars)))
 744       (if slot
 745           (if (vectorp (cdr slot))
 746               (setcdr slot (vconcat (cdr slot) (vector (car math-subgroup))))
 747             (setcdr slot (vector (cadr slot) (car math-subgroup))))
 748         (setq slot (list (nth 2 math-subgroup) (car math-subgroup)))
 749         (nconc script-representative-chars (list slot))))
 750     (set-fontset-font
 751      "fontset-default"
 752      (cons (car math-subgroup) (nth 1 math-subgroup))
 753      (font-spec :registry "iso10646-1" :script (nth 2 math-subgroup))))
 754
 755   ;; Special setup for various symbols and punctuation characters
 756   ;; covered well by Symbola, excluding those covered well by popular
 757   ;; Unicode fonts.  We exclude the latter because users don't like us
 758   ;; invading on their font setups where they have good support from
 759   ;; other fonts.
 760   (dolist (symbol-subgroup
 761            '((#x2000 . #x2012)  ;; General Punctuation
 762              (#x2015 . #x2017)
 763              #x201F
 764              (#x2023 . #x202F)
 765              (#x2031 . #x2038)
 766              (#x203B . #x206F)
 767              (#x2070 . #x209F)  ;; Superscripts and Subscripts
 768              (#x20B6 . #x20CF)  ;; Currency Symbols
 769              (#x2100 . #x2121)  ;; Letterlike Symbols
 770              (#x2123 . #x214F)
 771              (#x2150 . #x215A)  ;; Number Forms
 772              (#x215F . #x218F)
 773              (#x2194 . #x21FF)  ;; Arrows
 774              (#x2200 . #x2211)  ;; Mathematical Operators
 775              (#x2213 . #x2247)
 776              (#x2249 . #x225F)
 777              (#x2261 . #x2263)
 778              (#x2266 . #x22FF)
 779              (#x2300 . #x2301)  ;; Miscellaneous Technical
 780              (#x2303 . #x230F)
 781              (#x2311 . #x231F)
 782              (#x2322 . #x23FF)
 783              (#x2400 . #x243F)  ;; Control Pictures
 784              (#x2440 . #x245F)  ;; Optical Char Recognition
 785              (#x2460 . #x24FF)  ;; Enclosed Alphanumerics
 786              (#x25A0 . #x25FF)  ;; Geometric Shapes
 787              (#x2600 . #x265F)  ;; Miscellaneous Symbols
 788              (#x2661 . #x2662)
 789              #x2664
 790              (#x2667 . #x2669)
 791              (#x266C . #x26FF)
 792              (#x2700 . #x27bF)  ;; Dingbats
 793              (#x27C0 . #x27EF)  ;; Misc Mathematical Symbols-A
 794              (#x27F0 . #x27FF)  ;; Supplemental Arrows-A
 795              (#x2900 . #x297F)  ;; Supplemental Arrows-B
 796              (#x2980 . #x29FF)  ;; Misc Mathematical Symbols-B
 797              (#x2A00 . #x2AFF)  ;; Suppl. Math Operators
 798              (#x2B00 . #x2BFF)  ;; Misc Symbols and Arrows
 799              (#x2E00 . #x2E7F)  ;; Supplemental Punctuation
 800              (#x4DC0 . #x4DFF)  ;; Yijing Hexagram Symbols
 801              (#xFE10 . #xFE1F)  ;; Vertical Forms
 802              (#x10100 . #x1013F)        ;; Aegean Numbers
 803              (#x102E0 . #x102FF)        ;; Coptic Epact Numbers
 804              (#x1D000 . #x1D0FF)        ;; Byzantine Musical Symbols
 805              (#x1D200 . #x1D24F)        ;; Ancient Greek Musical Notation
 806              (#x1F0A0 . #x1F0FF)        ;; Playing Cards
 807              (#x1F100 . #x1F1FF)        ;; Enclosed Alphanumeric Suppl
 808              (#x1F300 . #x1F5FF)        ;; Misc Symbols and Pictographs
 809              (#x1F600 . #x1F64F)        ;; Emoticons
 810              (#x1F650 . #x1F67F)        ;; Ornamental Dingbats
 811              (#x1F680 . #x1F6FF)        ;; Transport and Map Symbols
 812              (#x1F700 . #x1F77F)        ;; Alchemical Symbols
 813              (#x1F780 . #x1F7FF)        ;; Geometric Shapes Extended
 814              (#x1F800 . #x1F8FF)))      ;; Supplemental Arrows-C
 815     (set-fontset-font "fontset-default" symbol-subgroup "Symbola" nil 'prepend))
 816   ;; Box Drawing and Block Elements
 817   (set-fontset-font "fontset-default" '(#x2500 . #x259F)
 818                     "FreeMono" nil 'prepend)
 819
 820   ;; Since standard-fontset-spec on X uses fixed-medium font, which
 821   ;; gets mapped to a iso8859-1 variant, we would like to prefer its
 822   ;; iso10646-1 variant for symbols, where the coverage is known to be
 823   ;; good.
 824   (dolist (symbol-subgroup
 825                          '((#x2000 . #x206F)   ;; General Punctuation
 826                            (#x2070 . #x209F)   ;; Superscripts and Subscripts
 827                            (#x20A0 . #x20CF)   ;; Currency Symbols
 828                            (#x2150 . #x218F)   ;; Number Forms
 829                            (#x2190 . #x21FF)   ;; Arrows
 830                            (#x2200 . #x22FF)   ;; Mathematical Operators
 831                            (#x2300 . #x23FF)   ;; Miscellaneous Technical
 832                            (#x2400 . #x243F)   ;; Control Pictures
 833                            (#x2440 . #x245F)   ;; Optical Char Recognition
 834                            (#x2460 . #x24FF)   ;; Enclosed Alphanumerics
 835                            (#x2500 . #x257F)   ;; Box Drawing
 836                            (#x2580 . #x259F)   ;; Block Elements
 837                            (#x25A0 . #x25FF)   ;; Geometric Shapes
 838                            (#x2600 . #x2689)   ;; Miscellaneous Symbols
 839                            (#x2700 . #x27bF)   ;; Dingbats
 840                            (#x27F5 . #x27FF))) ;; Supplemental Arrows-A
 841     (set-fontset-font "fontset-default" symbol-subgroup
 842                       "-*-fixed-medium-*-*-*-*-*-*-*-*-*-iso10646-1"
 843                       nil 'prepend))
 844
 845   ;; Append CJK fonts for characters other than han, kana, cjk-misc.
 846   ;; Append fonts for scripts whose name is also a charset name.
 847   (let* ((data (build-default-fontset-data))
 848          (registries (car data)))
 849     (dolist (target-spec (cdr data))
 850       (let ((target (car target-spec))
 851             (spec (cdr target-spec)))
 852         (if (integerp spec)
 853             (dotimes (i (length registries))
 854               (if (> (logand spec (lsh 1 i)) 0)
 855                   (set-fontset-font "fontset-default" target
 856                                     (cons nil (aref registries i))
 857                                     nil 'append)))
 858         (dolist (args spec)
 859           (set-fontset-font "fontset-default" target
 860                             (apply 'font-spec args) nil 'append))))))
 861
 862   ;; Append Unicode fonts.
 863   ;; This may find fonts with more variants (bold, italic) but which
 864   ;; don't cover many characters.
 865   (set-fontset-font "fontset-default" nil
 866                     '(nil . "iso10646-1") nil 'prepend)
 867   ;; These may find fonts that cover many characters but with fewer
 868   ;; variants.
 869   (set-fontset-font "fontset-default" nil
 870                     '("gnu-unifont" . "iso10646-1") nil 'prepend)
 871   (set-fontset-font "fontset-default" nil
 872                     '("mutt-clearlyu" . "iso10646-1") nil 'prepend)
 873   (set-fontset-font "fontset-default" '(#x20000 . #x2FFFF)
 874                     '(nil . "unicode-sip"))
 875
 876   (set-fontset-font "fontset-default" '(#xE000 . #xF8FF)
 877                     '(nil . "iso10646-1"))
 878   ;; Don't try the fallback fonts even if no suitable font was found
 879   ;; by the above font-spec.
 880   (set-fontset-font "fontset-default" '(#xE000 . #xF8FF) nil nil 'append))
 881
 882 (defun create-default-fontset ()
 883   "Create the default fontset.
 884 Internal use only.  Should be called at startup time."
 885   (condition-case err
 886       (setup-default-fontset)
 887     (error (display-warning
 888             'initialization
 889             (format "Creation of the default fontsets failed: %s" err)
 890             :error))))
 891
 892 ;; These are the registered registries/encodings from
 893 ;; ftp://ftp.x.org/pub/DOCS/registry 2001/06/01
 894
 895 ;; Name                                            Reference
 896 ;; ----                                            ---------
 897 ;; "DEC"                                           [27]
 898 ;;         registry prefix
 899 ;; "DEC.CNS11643.1986-2"                           [53]
 900 ;;         CNS11643 2-plane using the encoding
 901 ;;         suggested in that standard
 902 ;; "DEC.DTSCS.1990-2"                              [54]
 903 ;;         DEC Taiwan Supplemental Character Set
 904 ;; "fujitsu.u90x01.1991-0"                         [87]
 905 ;; "fujitsu.u90x03.1991-0"                         [87]
 906 ;; "GB2312.1980-0"                                 [39],[12]
 907 ;;         China (PRC) Hanzi, GL encoding
 908 ;; "GB2312.1980-1"                                 [39]
 909 ;;         (deprecated)
 910 ;;         China (PRC) Hanzi, GR encoding
 911 ;; "HP-Arabic8"                                    [36]
 912 ;;         HPARABIC8 8-bit character set
 913 ;; "HP-East8"                                      [36]
 914 ;;         HPEAST8 8-bit character set
 915 ;; "HP-Greek8"                                     [36]
 916 ;;         HPGREEK8 8-bit character set
 917 ;; "HP-Hebrew8"                                    [36]
 918 ;;         HPHEBREW8 8-bit character set
 919 ;; "HP-Japanese15"                                 [36]
 920 ;;         HPJAPAN15 15-bit character set,
 921 ;;         modified from industry de facto
 922 ;;         standard Shift-JIS
 923 ;; "HP-Kana8"                                      [36]
 924 ;;         HPKANA8 8-bit character set
 925 ;; "HP-Korean15"                                   [36]
 926 ;;         HPKOREAN15 15-bit character set
 927 ;; "HP-Roman8"                                     [36]
 928 ;;         HPROMAN8 8-bit character set
 929 ;; "HP-SChinese15"                                 [36]
 930 ;;         HPSCHINA15 15-bit character set for
 931 ;;         support of Simplified Chinese
 932 ;; "HP-TChinese15"                                 [36]
 933 ;;         HPTCHINA15 15-bit character set for
 934 ;;         support of Traditional Chinese
 935 ;; "HP-Turkish8"                                   [36]
 936 ;;         HPTURKISH8 8-bit character set
 937 ;; "IPSYS"                                         [59]
 938 ;;         registry prefix
 939 ;; "IPSYS.IE-1"                                    [59]
 940 ;; "ISO2022"<REG>"-"<ENC>                          [44]
 941 ;; "ISO646.1991-IRV"                               [107]
 942 ;;         ISO 646 International Reference Version
 943 ;; "ISO8859-1"                                     [15],[12]
 944 ;;         ISO Latin alphabet No. 1
 945 ;; "ISO8859-2"                                     [15],[12]
 946 ;;         ISO Latin alphabet No. 2
 947 ;; "ISO8859-3"                                     [15],[12]
 948 ;;         ISO Latin alphabet No. 3
 949 ;; "ISO8859-4"                                     [15],[12]
 950 ;;         ISO Latin alphabet No. 4
 951 ;; "ISO8859-5"                                     [15],[12]
 952 ;;         ISO Latin/Cyrillic alphabet
 953 ;; "ISO8859-6"                                     [15],[12]
 954 ;;         ISO Latin/Arabic alphabet
 955 ;; "ISO8859-7"                                     [15],[12]
 956 ;;         ISO Latin/Greek alphabet
 957 ;; "ISO8859-8"                                     [15],[12]
 958 ;;         ISO Latin/Hebrew alphabet
 959 ;; "ISO8859-9"                                     [15],[12]
 960 ;;         ISO Latin alphabet No. 5
 961 ;; "ISO8859-10"                                    [15],[12]
 962 ;;         ISO Latin alphabet No. 6
 963 ;; "ISO8859-13"                                    [15],[12]
 964 ;;         ISO Latin alphabet No. 7
 965 ;; "ISO8859-14"                                    [15],[12]
 966 ;;         ISO Latin alphabet No. 8
 967 ;; "ISO8859-15"                                    [15],[12]
 968 ;;         ISO Latin alphabet No. 9
 969 ;; "FCD8859-15"                                    [7]
 970 ;;         (deprecated)
 971 ;;         ISO Latin alphabet No. 9, Final Committee Draft
 972 ;; "ISO10646-1"                                    [133]
 973 ;;         Unicode Universal Multiple-Octet Coded Character Set
 974 ;; "ISO10646-MES"                                  [133]
 975 ;;         (deprecated)
 976 ;;         Unicode Minimum European Subset
 977 ;; "JISX0201.1976-0"                               [38],[12]
 978 ;;         8-Bit Alphanumeric-Katakana Code
 979 ;; "JISX0208.1983-0"                               [40],[12]
 980 ;;         Japanese Graphic Character Set,
 981 ;;         GL encoding
 982 ;; "JISX0208.1990-0"                               [71]
 983 ;;         Japanese Graphic Character Set,
 984 ;;         GL encoding
 985 ;; "JISX0208.1983-1"                               [40]
 986 ;;         (deprecated)
 987 ;;         Japanese Graphic Character Set,
 988 ;;         GR encoding
 989 ;; "JISX0212.1990-0"                               [72]
 990 ;;         Supplementary Japanese Graphic Character Set,
 991 ;;         GL encoding
 992 ;; "KOI8-R"                                        [119]
 993 ;;         Cyrillic alphabet
 994 ;; "KSC5601.1987-0"                                [41],[12]
 995 ;;         Korean Graphic Character Set,
 996 ;;         GL encoding
 997 ;; "KSC5601.1987-1"                                [41]
 998 ;;         (deprecated)
 999 ;;         Korean Graphic Character Set,
1000 ;;         GR encoding
1001 ;; "omron_CNS11643-0"                              [45]
1002 ;; "omron_CNS11643-1"                              [45]
1003 ;; "omron_BIG5-0"                                  [45]
1004 ;; "omron_BIG5-1"                                  [45]
1005 ;; "wn.tamil.1993"                                 [103]
1006
1007 (defun set-font-encoding (pattern charset)
1008   "Set arguments in `font-encoding-alist' (which see)."
1009   (let ((slot (assoc pattern font-encoding-alist)))
1010     (if slot
1011         (setcdr slot charset)
1012       (setq font-encoding-alist
1013             (cons (cons pattern charset) font-encoding-alist)))))
1014
1015 (defvar x-pixel-size-width-font-regexp)
1016 (defvar vertical-centering-font-regexp)
1017
1018 ;; Setting for suppressing XLoadQueryFont on big fonts.
1019 (setq x-pixel-size-width-font-regexp
1020       (purecopy "gb2312\\|gbk\\|gb18030\\|jisx0208\\|ksc5601\\|cns11643\\|big5"))
1021
1022 ;; These fonts require vertical centering.
1023 (setq vertical-centering-font-regexp
1024       (purecopy "gb2312\\|gbk\\|gb18030\\|jisx0208\\|jisx0212\\|ksc5601\\|cns11643\\|big5"))
1025 (put 'vertical-centering-font-regexp 'standard-value
1026      (list vertical-centering-font-regexp))
1027
1028 ;; CDAC fonts are actually smaller than their design sizes.
1029 (setq face-font-rescale-alist
1030       (list (cons (purecopy "-cdac$")  1.3)))
1031
1032 (defvar x-font-name-charset-alist nil
1033   "This variable has no meaning now.  Just kept for backward compatibility.")
1034
1035 ;;; XLFD (X Logical Font Description) format handler.
1036
1037 ;; Define XLFD's field index numbers.           ; field name
1038 (defconst xlfd-regexp-family-subnum 0)          ; FOUNDRY and FAMILY
1039 (defconst xlfd-regexp-weight-subnum 1)          ; WEIGHT_NAME
1040 (defconst xlfd-regexp-slant-subnum 2)           ; SLANT
1041 (defconst xlfd-regexp-swidth-subnum 3)          ; SETWIDTH_NAME
1042 (defconst xlfd-regexp-adstyle-subnum 4)         ; ADD_STYLE_NAME
1043 (defconst xlfd-regexp-pixelsize-subnum 5)       ; PIXEL_SIZE
1044 (defconst xlfd-regexp-pointsize-subnum 6)       ; POINT_SIZE
1045 (defconst xlfd-regexp-resx-subnum 7)            ; RESOLUTION_X
1046 (defconst xlfd-regexp-resy-subnum 8)            ; RESOLUTION_Y
1047 (defconst xlfd-regexp-spacing-subnum 8)         ; SPACING
1048 (defconst xlfd-regexp-avgwidth-subnum 10)       ; AVERAGE_WIDTH
1049 (defconst xlfd-regexp-registry-subnum 11)       ; REGISTRY and ENCODING
1050
1051 ;; Regular expression matching against a fontname which conforms to
1052 ;; XLFD (X Logical Font Description).  All fields in XLFD should be
1053 ;; not be omitted (but can be a wild card) to be matched.
1054 (defconst xlfd-tight-regexp
1055   "^\
1056 -\\([^-]*-[^-]*\\)-\\([^-]*\\)-\\([^-]*\\)-\\([^-]*\\)\
1057 -\\([^-]*\\)-\\([^-]*\\)-\\([^-]*\\)-\\([^-]*\\)-\\([^-]*\\)\
1058 -\\([^-]*\\)-\\([^-]*\\)-\\([^-]*-[^-]*\\)$")
1059
1060 ;; Regular expression matching against a fontname which conforms to
1061 ;; XLFD (X Logical Font Description).  All fields in XLFD from FOUNDRY
1062 ;; to ADSTYLE, REGISTRY, and ENCODING should be not be omitted (but
1063 ;; can be a wild card) to be matched.
1064 (defconst xlfd-style-regexp
1065   "^\
1066 -\\([^-]*-[^-]*\\)-\\([^-]*\\)-\\([^-]*\\)-\\([^-]*\\)-\\([^-]*\\)-.*\
1067 -\\([^-]*-[^-]*\\)$")
1068
1069 ;; List of field numbers of XLFD whose values are numeric.
1070 (defconst xlfd-regexp-numeric-subnums
1071   (list xlfd-regexp-pixelsize-subnum    ;5
1072         xlfd-regexp-pointsize-subnum    ;6
1073         xlfd-regexp-resx-subnum         ;7
1074         xlfd-regexp-resy-subnum         ;8
1075         xlfd-regexp-avgwidth-subnum     ;10
1076         ))
1077
1078 (defun x-decompose-font-name (pattern)
1079   "Decompose PATTERN into XLFD fields and return a vector of the fields.
1080 The length of the vector is 12.
1081 The FOUNDRY and FAMILY fields are concatenated and stored in the first
1082 element of the vector.
1083 The REGISTRY and ENCODING fields are concatenated and stored in the last
1084 element of the vector.
1085
1086 Return nil if PATTERN doesn't conform to XLFD."
1087   (if (string-match xlfd-tight-regexp pattern)
1088       (let ((xlfd-fields (make-vector 12 nil)))
1089         (dotimes (i 12)
1090           (aset xlfd-fields i (match-string (1+ i) pattern)))
1091         (dotimes (i 12)
1092           (if (string-match "^[*-]+$" (aref xlfd-fields i))
1093               (aset xlfd-fields i nil)))
1094         xlfd-fields)))
1095
1096 (defun x-compose-font-name (fields &optional _reduce)
1097   "Compose X fontname from FIELDS.
1098 FIELDS is a vector of XLFD fields, of length 12.
1099 If a field is nil, wild-card letter `*' is embedded.
1100 Optional argument REDUCE exists just for backward compatibility,
1101 and is always ignored."
1102   (concat "-" (mapconcat (lambda (x) (or x "*")) fields "-")))
1103
1104
1105 (defun x-must-resolve-font-name (xlfd-fields)
1106   "Like `x-resolve-font-name', but always return a font name.
1107 XLFD-FIELDS is a vector of XLFD (X Logical Font Description) fields.
1108 If no font matching XLFD-FIELDS is available, successively replace
1109 parts of the font name pattern with \"*\" until some font is found.
1110 Value is name of that font."
1111   (let ((ascii-font nil) (index 0))
1112     (while (and (null ascii-font) (<= index xlfd-regexp-registry-subnum))
1113       (let ((pattern (x-compose-font-name xlfd-fields)))
1114         (condition-case nil
1115             (setq ascii-font (x-resolve-font-name pattern))
1116           (error
1117            (message "Warning: no fonts matching `%s' available" pattern)
1118            (aset xlfd-fields index "*")
1119            (setq index (1+ index))))))
1120     (unless ascii-font
1121       (error "No fonts found"))
1122     ascii-font))
1123
1124
1125 (defun x-complement-fontset-spec (default-spec fontlist)
1126   "Complement elements of FONTLIST based on DEFAULT-SPEC.
1127 DEFAULT-SPEC is a font-spec object providing default font properties.
1128 FONTLIST is an alist of script names vs the corresponding font names.
1129
1130 The font names are parsed and unspecified font properties are
1131 given from DEFAULT-SPEC."
1132   (let ((prop-list '(:foundry :family :weight :slant :width :adstyle :size)))
1133     (dolist (elt fontlist)
1134       (let ((spec (font-spec :name (cadr elt))))
1135         (dolist (prop prop-list)
1136           (let ((val (font-get spec prop)))
1137             (or val
1138                 (font-put spec prop (font-get default-spec prop)))))
1139         (setcar (cdr elt) spec)))
1140     fontlist))
1141
1142 (defun fontset-name-p (fontset)
1143   "Return non-nil if FONTSET is valid as fontset name.
1144 A valid fontset name should conform to XLFD (X Logical Font Description)
1145 with \"fontset\" in `<CHARSET_REGISTRY>' field."
1146   (and (string-match xlfd-tight-regexp fontset)
1147        (string= (match-string (1+ xlfd-regexp-registry-subnum) fontset)
1148                 "fontset")))
1149
1150 (declare-function fontset-list "fontset.c" ())
1151
1152 (defun generate-fontset-menu ()
1153   "Return list to be appended to `x-fixed-font-alist'.
1154 Done when `mouse-set-font' is called."
1155   (let (l)
1156     (dolist (fontset (fontset-list))
1157       (or (string-match "fontset-default$" fontset)
1158           (string-match "fontset-auto[0-9]+$" fontset)
1159           (push (list (fontset-plain-name fontset) fontset) l)))
1160     (cons "Fontset"
1161           (sort l #'(lambda (x y) (string< (car x) (car y)))))))
1162
1163 (declare-function query-fontset "fontset.c" (pattern &optional regexpp))
1164
1165 (defun fontset-plain-name (fontset)
1166   "Return a plain and descriptive name of FONTSET."
1167   (if (not (setq fontset (query-fontset fontset)))
1168       (error "Invalid fontset: %s" fontset))
1169   (let ((xlfd-fields (x-decompose-font-name fontset)))
1170     (if xlfd-fields
1171         (let ((family (aref xlfd-fields xlfd-regexp-family-subnum))
1172               (weight (aref xlfd-fields xlfd-regexp-weight-subnum))
1173               (slant  (aref xlfd-fields xlfd-regexp-slant-subnum))
1174               ;(swidth (aref xlfd-fields xlfd-regexp-swidth-subnum))
1175               (size   (aref xlfd-fields xlfd-regexp-pixelsize-subnum))
1176               (nickname (aref xlfd-fields xlfd-regexp-registry-subnum))
1177               name)
1178           (if (not (string-match "^fontset-\\(.*\\)$" nickname))
1179               (setq nickname family)
1180             (setq nickname (match-string 1 nickname)))
1181           (if (and size (> (string-to-number size) 0))
1182               (setq name (format "%s: %s-dot" nickname size))
1183             (setq name nickname))
1184           (and weight
1185                (cond ((string-match "^medium$" weight)
1186                       (setq name (concat name " " "medium")))
1187                      ((string-match "^bold$\\|^demibold$" weight)
1188                       (setq name (concat name " " weight)))))
1189           (and slant
1190                (cond ((string-match "^i$" slant)
1191                       (setq name (concat name " " "italic")))
1192                      ((string-match "^o$" slant)
1193                       (setq name (concat name " " "slant")))
1194                      ((string-match "^ri$" slant)
1195                       (setq name (concat name " " "reverse italic")))
1196                      ((string-match "^ro$" slant)
1197                       (setq name (concat name " " "reverse slant")))))
1198           name)
1199       fontset)))
1200
1201 (defvar charset-script-alist
1202   '((ascii . latin)
1203     (latin-iso8859-1 . latin)
1204     (latin-iso8859-2 . latin)
1205     (latin-iso8859-3 . latin)
1206     (latin-iso8859-4 . latin)
1207     (latin-iso8859-9 . latin)
1208     (latin-iso8859-10 . latin)
1209     (latin-iso8859-13 . latin)
1210     (latin-iso8859-14 . latin)
1211     (latin-iso8859-15 . latin)
1212     (latin-iso8859-16 . latin)
1213     (latin-jisx0201 . latin)
1214     (thai-tis620 . thai)
1215     (cyrillic-iso8859-5 . cyrillic)
1216     (arabic-iso8859-6 . arabic)
1217     (greek-iso8859-7 . latin)
1218     (hebrew-iso8859-8 . latin)
1219     (katakana-jisx0201 . kana)
1220     (chinese-gb2312 . han)
1221     (chinese-gbk . han)
1222     (gb18030-2-byte . han)
1223     (gb18030-4-byte-bmp . han)
1224     (gb18030-4-byte-ext-1 . han)
1225     (gb18030-4-byte-ext-2 . han)
1226     (gb18030-4-byte-smp . han)
1227     (chinese-big5-1 . han)
1228     (chinese-big5-2 . han)
1229     (chinese-cns11643-1 . han)
1230     (chinese-cns11643-2 . han)
1231     (chinese-cns11643-3 . han)
1232     (chinese-cns11643-4 . han)
1233     (chinese-cns11643-5 . han)
1234     (chinese-cns11643-6 . han)
1235     (chinese-cns11643-7 . han)
1236     (japanese-jisx0208 . han)
1237     (japanese-jisx0208-1978 . han)
1238     (japanese-jisx0212 . han)
1239     (japanese-jisx0213-1 . han)
1240     (japanese-jisx0213-2 . han)
1241     (korean-ksc5601 . hangul)
1242     (chinese-sisheng . bopomofo)
1243     (vietnamese-viscii-lower . latin)
1244     (vietnamese-viscii-upper . latin)
1245     (arabic-digit . arabic)
1246     (arabic-1-column . arabic)
1247     (arabic-2-column . arabic)
1248     (indian-is13194 . devanagari)
1249     (indian-glyph . devanagari)
1250     (indian-1-column . devanagari)
1251     (indian-2-column . devanagari)
1252     (tibetan-1-column . tibetan))
1253   "Alist of charsets vs the corresponding most appropriate scripts.
1254
1255 This alist is used by the function `create-fontset-from-fontset-spec'
1256 to map charsets to scripts.")
1257
1258 (defun create-fontset-from-fontset-spec (fontset-spec
1259                                          &optional _style-variant _noerror)
1260   "Create a fontset from fontset specification string FONTSET-SPEC.
1261 FONTSET-SPEC is a string of the format:
1262         FONTSET-NAME[,SCRIPT-NAME0:FONT-NAME0,SCRIPT-NAME1:FONT-NAME1] ...
1263 Any number of SPACE, TAB, and NEWLINE can be put before and after commas.
1264
1265 When a frame uses the fontset as the `font' parameter, the frame's
1266 default font name is derived from FONTSET-NAME by substituting
1267 \"iso8859-1\" for the tail part \"fontset-XXX\".  But, if SCRIPT-NAMEn
1268 is \"ascii\", use the corresponding FONT-NAMEn as the default font
1269 name.
1270
1271 Optional 2nd and 3rd arguments exist just for backward compatibility,
1272 and are ignored.
1273
1274 It returns a name of the created fontset.
1275
1276 For backward compatibility, SCRIPT-NAME may be a charset name, in
1277 which case, the corresponding script is decided by the variable
1278 `charset-script-alist' (which see)."
1279   (or (string-match "^[^,]+" fontset-spec)
1280       (error "Invalid fontset spec: %s" fontset-spec))
1281   (let ((idx (match-end 0))
1282         (name (match-string 0 fontset-spec))
1283         default-spec target script fontlist)
1284     (or (string-match xlfd-tight-regexp name)
1285         (error "Fontset name \"%s\" not conforming to XLFD" name))
1286     (setq default-spec (font-spec :name name))
1287     ;; At first, extract pairs of charset and fontname from FONTSET-SPEC.
1288     (while (string-match "[, \t\n]*\\([^:]+\\):[ \t]*\\([^,]+\\)"
1289                          fontset-spec idx)
1290       (setq idx (match-end 0))
1291       (setq target (intern (match-string 1 fontset-spec)))
1292       (cond ((or (eq target 'ascii)
1293                  (memq target (char-table-extra-slot char-script-table 0)))
1294              (push (list target (match-string 2 fontset-spec)) fontlist))
1295             ((setq script (cdr (assq target charset-script-alist)))
1296              (push (list script (match-string 2 fontset-spec)) fontlist))
1297             ((charsetp target)
1298              (push (list target (match-string 2 fontset-spec)) fontlist))))
1299
1300     ;; Complement FONTLIST.
1301     (setq fontlist (x-complement-fontset-spec default-spec fontlist))
1302
1303     ;; Create a fontset.
1304     (new-fontset name (nreverse fontlist))))
1305
1306 (defun create-fontset-from-ascii-font (font &optional resolved-font
1307                                             fontset-name)
1308   "Create a fontset from an ASCII font FONT.
1309
1310 Optional 2nd arg RESOLVED-FONT is a resolved name of FONT.
1311 If omitted, `x-resolve-font-name' is called to get the resolved name.
1312 At this time, if FONT is not available, an error is signaled.
1313
1314 Optional 3rd arg FONTSET-NAME is a string to be used in
1315 `<CHARSET_ENCODING>' fields of a new fontset name.  If it is omitted,
1316 an appropriate name is generated automatically.
1317
1318 It returns a name of the created fontset."
1319   (setq font (downcase font))
1320   (setq resolved-font
1321         (downcase (or resolved-font (x-resolve-font-name font))))
1322   (let ((xlfd (x-decompose-font-name resolved-font))
1323         fontset)
1324     (if fontset-name
1325         (setq fontset-name (downcase fontset-name))
1326       (if (query-fontset "fontset-startup")
1327           (setq fontset-name
1328                 (subst-char-in-string
1329                  ?- ?_ (aref xlfd xlfd-regexp-registry-subnum) t))
1330         (setq fontset-name "startup")))
1331     (aset xlfd xlfd-regexp-registry-subnum
1332           (format "fontset-%s" fontset-name))
1333     (setq fontset (x-compose-font-name xlfd))
1334     (or (query-fontset fontset)
1335         (create-fontset-from-fontset-spec (concat fontset ", ascii:" font)))))
1336
1337 \f
1338 ;; Create standard fontset from 16 dots fonts which are the most widely
1339 ;; installed fonts.  Fonts for Chinese-GB, Korean, and Chinese-CNS are
1340 ;; specified here because FAMILY of those fonts are not "fixed" in
1341 ;; many cases.
1342 (defvar standard-fontset-spec
1343   (purecopy "-*-fixed-medium-r-normal-*-16-*-*-*-*-*-fontset-standard")
1344   "String of fontset spec of the standard fontset.
1345 You have the biggest chance to display international characters
1346 with correct glyphs by using the standard fontset.
1347 See the documentation of `create-fontset-from-fontset-spec' for the format.")
1348
1349
1350 ;; Create fontsets from X resources of the name `fontset-N (class
1351 ;; Fontset-N)' where N is integer 0, 1, ...
1352 ;; The values of the resources the string of the same format as
1353 ;; `standard-fontset-spec'.
1354
1355 (declare-function x-get-resource "frame.c"
1356                   (attribute class &optional component subclass))
1357
1358 (defun create-fontset-from-x-resource ()
1359   (let ((idx 0)
1360         fontset-spec)
1361     (while (setq fontset-spec (x-get-resource (format "fontset-%d" idx)
1362                                               (format "Fontset-%d" idx)))
1363       (condition-case nil
1364           (create-fontset-from-fontset-spec fontset-spec t)
1365         (error (display-warning
1366                 'initialization
1367                 (format "Fontset-%d: invalid specification in X resource" idx)
1368                 :warning)))
1369       (setq idx (1+ idx)))))
1370
1371 ;;
1372 (provide 'fontset)
1373
1374 ;;; fontset.el ends here