lisp/international/fontset.el

   1 ;;; fontset.el --- commands for handling fontset
   2
   3 ;; Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
   4 ;;   2005, 2006, 2007, 2008, 2009  Free Software Foundation, Inc.
   5 ;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
   6 ;;   2005, 2006, 2007, 2008, 2009
   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
  12
  13 ;; Keywords: mule, i18n, fontset
  14
  15 ;; This file is part of GNU Emacs.
  16
  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 of the License, or
  20 ;; (at your option) any later version.
  21
  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.
  26
  27 ;; You should have received a copy of the GNU General Public License
  28 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  29
  30 ;;; Commentary:
  31
  32 ;;; Code:
  33
  34 ;; Setup font-encoding-alist for all known encodings.
  35
  36 (setq font-encoding-alist
  37       '(("iso8859-1$" . iso-8859-1)
  38         ("iso8859-2$" . iso-8859-2)
  39         ("iso8859-3$" . iso-8859-3)
  40         ("iso8859-4$" . iso-8859-4)
  41         ("iso8859-5$" . iso-8859-5)
  42         ("iso8859-6$" . iso-8859-6)
  43         ("iso8859-7$" . iso-8859-7)
  44         ("iso8859-8$" . iso-8859-8)
  45         ("iso8859-9$" . iso-8859-9)
  46         ("iso8859-10$" . iso-8859-10)
  47         ("iso8859-11$" . iso-8859-11)
  48         ("iso8859-13$" . iso-8859-13)
  49         ("iso8859-14$" . iso-8859-14)
  50         ("iso8859-15$" . iso-8859-15)
  51         ("iso8859-16$" . iso-8859-16)
  52         ("ascii-0$" . ascii)
  53         ("gb2312.1980" . chinese-gb2312)
  54         ("gbk" . chinese-gbk)
  55         ("gb18030" . (unicode . nil))
  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)
  75         ("big5" . big5)
  76         ("viscii" . viscii)
  77         ("tis620" . tis620-2533)
  78         ("microsoft-cp1251" . windows-1251)
  79         ("koi8-r" . koi8-r)
  80         ("jisx0213.2000-1" . japanese-jisx0213-1)
  81         ("jisx0213.2000-2" . japanese-jisx0213-2)
  82         ("jisx0213.2004-1" . japanese-jisx0213.2004-1)
  83         ("iso10646-1$" . (unicode-bmp . nil))
  84         ("iso10646.indian-1" . (unicode-bmp . nil))
  85         ("unicode-bmp" . (unicode-bmp . nil))
  86         ("abobe-symbol" . symbol)
  87         ("sisheng_cwnn" . chinese-sisheng)
  88         ("mulearabic-0" . arabic-digit)
  89         ("mulearabic-1" . arabic-1-column)
  90         ("mulearabic-2" . arabic-2-column)
  91         ("muleipa" . ipa)
  92         ("ethiopic-unicode" . (unicode-bmp . ethiopic))
  93         ("is13194-devanagari" . indian-is13194)
  94         ("Devanagari-CDAC" . devanagari-cdac)
  95         ("Sanskrit-CDAC" . sanskrit-cdac)
  96         ("Bengali-CDAC" . bengali-cdac)
  97         ("Assamese-CDAC" . assamese-cdac)
  98         ("Punjabi-CDAC" . punjabi-cdac)
  99         ("Gujarati-CDAC" . gujarati-cdac)
 100         ("Oriya-CDAC" . oriya-cdac)
 101         ("Tamil-CDAC" . tamil-cdac)
 102         ("Telugu-CDAC" . telugu-cdac)
 103         ("Kannada-CDAC" . kannada-cdac)
 104         ("Malayalam-CDAC" . malayalam-cdac)
 105         ("Devanagari-Akruti" . devanagari-akruti)
 106         ("Bengali-Akruti" . bengali-akruti)
 107         ("Punjabi-Akruti" . punjabi-akruti)
 108         ("Gujarati-Akruti" . gujarati-akruti)
 109         ("Oriya-Akruti" . oriya-akruti)
 110         ("Tamil-Akruti" . tamil-akruti)
 111         ("Telugu-Akruti" . telugu-akruti)
 112         ("Kannada-Akruti" . kannada-akruti)
 113         ("Malayalam-Akruti" . malayalam-akruti)
 114         ("muleindian-2" . indian-2-column)
 115         ("muleindian-1" . indian-1-column)
 116         ("mulelao-1" . mule-lao)
 117         ("muletibetan-2" . tibetan)
 118         ("muletibetan-0" . tibetan)
 119         ("muletibetan-1" . tibetan-1-column)))
 120
 121 (defvar font-encoding-charset-alist)
 122
 123 (setq font-encoding-charset-alist
 124       '((latin-iso8859-1 . iso-8859-1)
 125         (latin-iso8859-2 . iso-8859-2)
 126         (latin-iso8859-3 . iso-8859-3)
 127         (latin-iso8859-4 . iso-8859-4)
 128         (latin-iso8859-9 . iso-8859-9)
 129         (latin-iso8859-10 . iso-8859-10)
 130         (latin-iso8859-13 . iso-8859-13)
 131         (latin-iso8859-14 . iso-8859-14)
 132         (latin-iso8859-15 . iso-8859-15)
 133         (latin-iso8859-16 . iso-8859-16)
 134         (cyrillic-iso8859-5 . iso-8859-5)
 135         (greek-iso8859-7 . iso-8859-7)
 136         (arabic-iso8859-6 . iso-8859-6)
 137         (thai-tis620 . tis620-2533)
 138         (latin-jisx0201 . jisx0201)
 139         (katakana-jisx0201 . jisx0201)
 140         (chinese-big5-1 . big5)
 141         (chinese-big5-2 . big5)
 142         (vietnamese-viscii-lower . viscii)
 143         (vietnamese-viscii-upper . viscii)
 144         (tibetan . unicode-bmp)))
 145
 146 (setq script-representative-chars
 147       '((latin ?A ?Z ?a ?z #x00C0 #x0100 #x0180 #x1e00)
 148         (phonetic #x250 #x283)
 149         (greek #x3A9)
 150         (coptic #x3E2)
 151         (cyrillic #x42F)
 152         (armenian #x531)
 153         (hebrew #x5D0)
 154         (arabic #x628)
 155         (syriac #x710)
 156         (thaana #x78C)
 157         (devanagari #x915)
 158         (bengali #x995)
 159         (gurmukhi #xA15)
 160         (gujarati #xA95)
 161         (oriya #xB15)
 162         (tamil #xB95)
 163         (telugu #xC15)
 164         (kannada #xC95)
 165         (malayalam #xD15)
 166         (sinhala #xD95)
 167         (thai #xE17)
 168         (lao #xEA5)
 169         (tibetan #xF40)
 170         (myanmar #x1000)
 171         (georgian #x10D3)
 172         (ethiopic #x1208)
 173         (cherokee #x13B6)
 174         (canadian-aboriginal #x14C0)
 175         (ogham #x168F)
 176         (runic #x16A0)
 177         (khmer #x1780)
 178         (mongolian #x1826)
 179         (symbol . [#x201C #x2200 #x2500])
 180         (braille #x2800)
 181         (ideographic-description #x2FF0)
 182         (cjk-misc #x300E)
 183         (kana #x304B)
 184         (bopomofo #x3105)
 185         (kanbun #x319D)
 186         (han #x5B57)
 187         (yi #xA288)
 188         (cham #xAA00)
 189         (tai-viet #xAA80)
 190         (hangul #xAC00)
 191         (linear-b #x10000)
 192         (aegean-number #x10100)
 193         (ancient-greek-number #x10140)
 194         (ancient-symbol #x10190)
 195         (phaistos-disc #x101D0)
 196         (lycian #x10280)
 197         (carian #x102A0)
 198         (olt-italic #x10300)
 199         (ugaritic #x10380)
 200         (old-persian #x103A0)
 201         (deseret #x10400)
 202         (shavian #x10450)
 203         (osmanya #x10480)
 204         (cypriot-syllabary #x10800)
 205         (phoenician #x10900)
 206         (lydian #x10920)
 207         (kharoshthi #x10A00)
 208         (cuneiform #x12000)
 209         (cuneiform-numbers-and-punctuation #x12400)
 210         (byzantine-musical-symbol #x1D000)
 211         (musical-symbol #x1D100)
 212         (ancient-greek-musical-notation #x1D200)
 213         (tai-xuan-jing-symbol #x1D300)
 214         (counting-rod-numeral #x1D360)
 215         (mahjong-tile #x1F000)
 216         (domino-tile #x1F030)))
 217
 218 (defvar otf-script-alist)
 219
 220 (setq otf-script-alist
 221       '((arab . arabic)
 222         (armn . armenian)
 223         (bali . balinese)
 224         (beng . bengali)
 225         (bopo . bopomofo)
 226         (brai . braille)
 227         (bugi . buginese)
 228         (buhd . buhid)
 229         (byzm . byzantine-musical-symbol)
 230         (cans . canadian-aboriginal)
 231         (cher . cherokee)
 232         (copt . coptic)
 233         (xsux . cuneiform)
 234         (cyrl . cyrillic)
 235         (cprt . cypriot)
 236         (dsrt . deseret)
 237         (deva . devanagari)
 238         (ethi . ethiopic)
 239         (geor . georgian)
 240         (glag . glagolitic)
 241         (goth . gothic)
 242         (grek . greek)
 243         (gujr . gujarati)
 244         (guru . gurmukhi)
 245         (hani . han)
 246         (hang . hangul)
 247         (hano . hanunoo)
 248         (hebr . hebrew)
 249         (kana . kana)
 250         (knda . kannada)
 251         (khar . kharoshthi)
 252         (khmr . khmer)
 253         (lao\  . lao)
 254         (latn . latin)
 255         (limb . limbu)
 256         (linb . linear_b)
 257         (mlym . malayalam)
 258         (math . mathematical)
 259         (mong . mongolian)
 260         (musc . musical-symbol)
 261         (mymr . myanmar)
 262         (nko\  . nko)
 263         (ogam . ogham)
 264         (ital . old_italic)
 265         (xpeo . old_persian)
 266         (orya . oriya)
 267         (osma . osmanya)
 268         (phag . phags-pa)
 269         (phnx . phoenician)
 270         (runr . runic)
 271         (shaw . shavian)
 272         (sinh . sinhala)
 273         (sylo . syloti_nagri)
 274         (syrc . syriac)
 275         (tglg . tagalog)
 276         (tagb . tagbanwa)
 277         (taml . tamil)
 278         (tale . tai_le)
 279         (telu . telugu)
 280         (thaa . thaana)
 281         (thai . thai)
 282         (tibt . tibetan)
 283         (tfng . tifinagh)
 284         (ugar . ugaritic)
 285         (yi\ \   . yi)))
 286
 287 ;; Set standard fontname specification of characters in the default
 288 ;; fontset to find an appropriate font for each script/charset.  The
 289 ;; specification has the form ((SCRIPT FONT-SPEC ...) ...), where
 290 ;; FONT-SPEC is:
 291 ;;      a cons (FAMILY . REGISTRY),
 292 ;;      or a string FONT-NAME,
 293 ;;      or an object created by `font-spec'.
 294 ;;
 295 ;; FAMILY may be nil, in which case, the the corresponding name of
 296 ;; default face is used.  If REGISTRY contains a character `-', the
 297 ;; string before that is embedded in `CHARSET_REGISTRY' field, and the
 298 ;; string after that is embedded in `CHARSET_ENCODING' field.  If it
 299 ;; does not contain `-', the whole string is embedded in
 300 ;; `CHARSET_REGISTRY' field, and a wild card character `*' is embedded
 301 ;; in `CHARSET_ENCODING' field.
 302 ;;
 303 ;; SCRIPT is a symbol that appears as an element of the char table
 304 ;; `char-script-table'.  SCRIPT may be a charset specifying the range
 305 ;; of characters.
 306
 307 (declare-function new-fontset "fontset.c" (name fontlist))
 308 (declare-function set-fontset-font "fontset.c"
 309                   (name target font-spec &optional frame add))
 310
 311 (defun setup-default-fontset ()
 312   "Setup the default fontset."
 313   (new-fontset
 314    "fontset-default"
 315    `(;; for each script
 316      (latin (nil . "ISO8859-1")
 317             (nil . "ISO8859-2")
 318             (nil . "ISO8859-3")
 319             (nil . "ISO8859-4")
 320             (nil . "ISO8859-9")
 321             (nil . "ISO8859-10")
 322             (nil . "ISO8859-13")
 323             (nil . "ISO8859-14")
 324             (nil . "ISO8859-15")
 325             (nil . "ISO8859-16")
 326             (nil . "VISCII1.1-1")
 327             ,(font-spec :registry "iso10646-1" :script 'latin))
 328
 329      (thai  ,(font-spec :registry "iso10646-1" :otf '(thai nil nil (mark)))
 330             (nil . "TIS620*")
 331             (nil . "ISO8859-11"))
 332
 333      (devanagari ,(font-spec :registry "iso10646-1" :otf '(deva nil (rphf)))
 334                  (nil . "iso10646.indian-1"))
 335      (bengali ,(font-spec :registry "iso10646-1" :otf '(beng nil (rphf))))
 336      (gurmukhi ,(font-spec :registry "iso10646-1" :otf '(guru nil (blwf))))
 337      (gujarati ,(font-spec :registry "iso10646-1" :otf '(gujr nil (rphf))))
 338      (oriya ,(font-spec :registry "iso10646-1" :otf '(orya nil (rphf))))
 339      (tamil ,(font-spec :registry "iso10646-1" :otf '(taml nil (akhn))))
 340      (telugu ,(font-spec :registry "iso10646-1" :otf '(telu nil (blwf))))
 341      (kannada ,(font-spec :registry "iso10646-1" :otf '(knda nil (rphf))))
 342      (sinhala ,(font-spec :registry "iso10646-1" :otf '(sinh nil (akhn))))
 343      (malayalam ,(font-spec :registry "iso10646-1" :otf '(mlym nil (akhn))))
 344
 345      (lao ,(font-spec :registry "iso10646-1" :otf '(lao\  nil nil (mark)))
 346           ,(font-spec :registry "iso10646-1" :script 'lao)
 347           (nil . "MuleLao-1"))
 348
 349      (tai-viet ("TaiViet" . "iso10646-1"))
 350
 351      ;; both for script and charset.
 352      (tibetan ,(font-spec :registry "iso10646-1"
 353                           :otf '(tibt nil (ccmp blws abvs)))
 354               ,(font-spec :family "mtib" :registry "iso10646-1")
 355               (nil . "muletibetan-2"))
 356
 357      ;; both for script and charset.
 358      (ethiopic ,(font-spec :registry "iso10646-1" :script 'ethiopic)
 359                (nil . "ethiopic-unicode"))
 360
 361      (greek ,(font-spec :registry "iso10646-1" :script 'greek)
 362             (nil . "ISO8859-7"))
 363
 364      (cyrillic ,(font-spec :registry "iso10646-1" :script 'cyrillic)
 365                (nil . "ISO8859-5")
 366                (nil . "microsoft-cp1251")
 367                (nil . "koi8-r"))
 368
 369      (arabic ,(font-spec :registry "iso10646-1"
 370                          :otf '(arab nil (init medi fini liga)))
 371              (nil . "MuleArabic-0")
 372              (nil . "MuleArabic-1")
 373              (nil . "MuleArabic-2")
 374              (nil . "ISO8859-6"))
 375
 376      (hebrew ,(font-spec :registry "iso10646-1" :script 'hebrew)
 377              (nil . "ISO8859-8"))
 378
 379      (khmer ,(font-spec :registry "iso10646-1" :otf '(khmr nil (pres))))
 380
 381      (kana (nil . "JISX0208*")
 382            (nil . "GB2312.1980-0")
 383            (nil . "KSC5601.1987*")
 384            (nil . "JISX0201*")
 385            (nil . "JISX0213.2000-1")
 386            (nil . "JISX0213.2004-1")
 387            ,(font-spec :registry "iso10646-1" :script 'kana))
 388
 389      (bopomofo ,(font-spec :registry "iso10646-1" :script 'bopomofo)
 390                (nil . "sisheng_cwnn-0"))
 391
 392      (han (nil . "GB2312.1980-0")
 393           (nil . "JISX0208*")
 394           (nil . "JISX0212*")
 395           (nil . "big5*")
 396           (nil . "KSC5601.1987*")
 397           (nil . "CNS11643.1992-1")
 398           (nil . "CNS11643.1992-2")
 399           (nil . "CNS11643.1992-3")
 400           (nil . "CNS11643.1992-4")
 401           (nil . "CNS11643.1992-5")
 402           (nil . "CNS11643.1992-6")
 403           (nil . "CNS11643.1992-7")
 404           (nil . "gbk-0")
 405           (nil . "gb18030")
 406           (nil . "JISX0213.2000-1")
 407           (nil . "JISX0213.2000-2")
 408           (nil . "JISX0213.2004-1")
 409           ,(font-spec :registry "iso10646-1" :lang 'ja)
 410           ,(font-spec :registry "iso10646-1" :lang 'zh))
 411
 412      (cjk-misc (nil . "GB2312.1980-0")
 413                (nil . "JISX0208*")
 414                (nil . "JISX0212*")
 415                (nil . "big5*")
 416                (nil . "KSC5601.1987*")
 417                (nil . "CNS11643.1992-1")
 418                (nil . "CNS11643.1992-2")
 419                (nil . "CNS11643.1992-3")
 420                (nil . "CNS11643.1992-4")
 421                (nil . "CNS11643.1992-5")
 422                (nil . "CNS11643.1992-6")
 423                (nil . "CNS11643.1992-7")
 424                (nil . "gbk-0")
 425                (nil . "gb18030")
 426                (nil . "JISX0213.2000-1")
 427                (nil . "JISX0213.2000-2")
 428                ,(font-spec :registry "iso10646-1" :lang 'ja)
 429                ,(font-spec :registry "iso10646-1" :lang 'zh))
 430
 431      (hangul (nil . "KSC5601.1987-0")
 432              ,(font-spec :registry "iso10646-1" :lang 'ko))
 433
 434      ;; for each charset
 435      (ascii (nil . "ISO8859-1"))
 436      (arabic-digit ("*" . "MuleArabic-0"))
 437      (arabic-1-column ("*" . "MuleArabic-1"))
 438      (arabic-2-column ("*" . "MuleArabic-2"))
 439      (indian-is13194 (nil . "is13194-devanagari"))
 440      (indian-1-column ("*" . "muleindian-2"))
 441      ;; Indian CDAC
 442      (devanagari-cdac (nil . "Devanagari-CDAC"))
 443      (sanskrit-cdac (nil . "Sanskrit-CDAC"))
 444      (bengali-cdac (nil . "Bengali-CDAC"))
 445      (assamese-cdac (nil . "Assamese-CDAC"))
 446      (punjabi-cdac (nil . "Punjabi-CDAC"))
 447      (gujarati-cdac (nil . "Gujarati-CDAC"))
 448      (oriya-cdac (nil . "Oriya-CDAC"))
 449      (tamil-cdac (nil . "Tamil-CDAC"))
 450      (telugu-cdac (nil . "Telugu-CDAC"))
 451      (kannada-cdac (nil . "Kannada-CDAC"))
 452      (malayalam-cdac (nil . "Malayalam-CDAC"))
 453      ;; Indian AKRUTI
 454      (devanagari-akruti (nil . "Devanagari-Akruti"))
 455      (bengali-akruti (nil . "Bengali-Akruti"))
 456      (punjabi-akruti (nil . "Punjabi-Akruti"))
 457      (gujarati-akruti (nil . "Gujarati-Akruti"))
 458      (oriya-akruti (nil . "Oriya-Akruti"))
 459      (tamil-akruti (nil . "Tamil-Akruti"))
 460      (telugu-akruti (nil . "Telugu-Akruti"))
 461      (kannada-akruti (nil . "Kannada-Akruti"))
 462      (malayalam-akruti (nil . "Malayalam-Akruti"))
 463      ;;(devanagari-glyph ("altsys-dv_ttsurekh" . "devanagari-cdac"))
 464      ;;(malayalam-glyph ("altsys-ml_ttkarthika" . "malayalam-cdac"))
 465      (ipa ,(font-spec :registry "iso10646-1" :script 'phonetic)
 466           (nil . "MuleIPA-1")
 467           (nil . "iso10646-1"))
 468
 469      ;; Fallback fonts
 470      (nil (nil . "gb2312.1980")
 471           (nil . "gbk-0")
 472           (nil . "gb18030")
 473           (nil . "jisx0208")
 474           (nil . "ksc5601.1987")
 475           (nil . "CNS11643.1992-1")
 476           (nil . "CNS11643.1992-2")
 477           (nil . "CNS11643.1992-3")
 478           (nil . "CNS11643.1992-4")
 479           (nil . "CNS11643.1992-5")
 480           (nil . "CNS11643.1992-6")
 481           (nil . "CNS11643.1992-7")
 482           (nil . "big5")
 483           (nil . "jisx0213.2000-1")
 484           (nil . "jisx0213.2004-1")
 485           (nil . "jisx0212"))
 486      ))
 487
 488   ;; For simple scripts
 489   (dolist (script '(phonetic
 490                     armenian
 491                     syriac
 492                     thaana
 493                     myanmar
 494                     georgian
 495                     cherokee
 496                     canadian-aboriginal
 497                     ogham
 498                     runic
 499                     symbol
 500                     braille
 501                     yi
 502                     aegean-number
 503                     ancient-greek-number
 504                     ancient-symbol
 505                     phaistos-disc
 506                     lycian
 507                     carian
 508                     olt-italic
 509                     ugaritic
 510                     old-persian
 511                     deseret
 512                     shavian
 513                     osmanya
 514                     cypriot-syllabary
 515                     phoenician
 516                     lydian
 517                     kharoshthi
 518                     cuneiform
 519                     cuneiform-numbers-and-punctuation
 520                     byzantine-musical-symbol
 521                     musical-symbol
 522                     ancient-greek-musical-notation
 523                     tai-xuan-jing-symbol
 524                     counting-rod-numeral
 525                     mahjong-tile
 526                     domino-tile))
 527     (set-fontset-font "fontset-default"
 528                       script (font-spec :registry "iso10646-1" :script script)))
 529
 530   ;; Special settings for `MATHEMATICAL (U+1D400..U+1D7FF)'.
 531   (dolist (math-subgroup '((#x1D400 #x1D433 mathematical-bold)
 532                            (#x1D434 #x1D467 mathematical-italic)
 533                            (#x1D468 #x1D49B mathematical-bold-italic)
 534                            (#x1D49C #x1D4CF mathematical-script)
 535                            (#x1D4D0 #x1D503 mathematical-bold-script)
 536                            (#x1D504 #x1D537 mathematical-fraktur)
 537                            (#x1D538 #x1D56B mathematical-double-struck)
 538                            (#x1D56C #x1D59F mathematical-bold-fraktur)
 539                            (#x1D5A0 #x1D5D3 mathematical-sans-serif)
 540                            (#x1D5D4 #x1D607 mathematical-sans-serif-bold)
 541                            (#x1D608 #x1D63B mathematical-sans-serif-italic)
 542                            (#x1D63C #x1D66F mathematical-sans-serif-bold-italic)
 543                            (#x1D670 #x1D6A3 mathematical-monospace)
 544                            (#x1D6A4 #x1D6A5 mathematical-italic)
 545                            (#x1D6A8 #x1D6E1 mathematical-bold)
 546                            (#x1D6E2 #x1D71B mathematical-italic)
 547                            (#x1D71C #x1D755 mathematical-bold-italic)
 548                            (#x1D756 #x1D78F mathematical-sans-serif-bold)
 549                            (#x1D790 #x1D7C9 mathematical-sans-serif-bold-italic)
 550                            (#x1D7CA #x1D7D7 mathematical-bold)
 551                            (#x1D7D8 #x1D7E1 mathematical-double-struck)
 552                            (#x1D7E2 #x1D7EB mathematical-sans-serif)
 553                            (#x1D7EC #x1D7F5 mathematical-sans-serif-bold)
 554                            (#x1D7F6 #x1D7FF mathematical-monospace)))
 555     (let ((slot (assq (nth 2 math-subgroup) script-representative-chars)))
 556       (if slot
 557           (if (vectorp (cdr slot))
 558               (setcdr slot (vconcat (cdr slot) (vector (car math-subgroup))))
 559             (setcdr slot (vector (cadr slot) (car math-subgroup))))
 560         (setq slot (list (nth 2 math-subgroup) (car math-subgroup)))
 561         (nconc script-representative-chars (list slot))))
 562     (set-fontset-font
 563      "fontset-default"
 564      (cons (car math-subgroup) (nth 1 math-subgroup))
 565      (font-spec :registry "iso10646-1" :script (nth 2 math-subgroup))))
 566
 567   ;; Append Unicode fonts.
 568   ;; This may find fonts with more variants (bold, italic) but which
 569   ;; don't cover many characters.
 570   (set-fontset-font "fontset-default" nil
 571                     '(nil . "iso10646-1") nil 'prepend)
 572   ;; These may find fonts that cover many characters but with fewer
 573   ;; variants.
 574   (set-fontset-font "fontset-default" nil
 575                     '("gnu-unifont" . "iso10646-1") nil 'prepend)
 576   (set-fontset-font "fontset-default" nil
 577                     '("mutt-clearlyu" . "iso10646-1") nil 'prepend)
 578   (set-fontset-font "fontset-default" '(#x20000 . #x2FFFF)
 579                     '(nil . "unicode-sip"))
 580
 581   (set-fontset-font "fontset-default" '(#xE000 . #xF8FF) nil))
 582
 583 (defun create-default-fontset ()
 584   "Create the default fontset.
 585 Internal use only.  Should be called at startup time."
 586   (condition-case err
 587       (setup-default-fontset)
 588     (error (display-warning
 589             'initialization
 590             (format "Creation of the default fontsets failed: %s" err)
 591             :error))))
 592
 593 ;; These are the registered registries/encodings from
 594 ;; ftp://ftp.x.org/pub/DOCS/registry 2001/06/01
 595
 596 ;; Name                                            Reference
 597 ;; ----                                            ---------
 598 ;; "DEC"                                           [27]
 599 ;;         registry prefix
 600 ;; "DEC.CNS11643.1986-2"                           [53]
 601 ;;         CNS11643 2-plane using the encoding
 602 ;;         suggested in that standard
 603 ;; "DEC.DTSCS.1990-2"                              [54]
 604 ;;         DEC Taiwan Supplemental Character Set
 605 ;; "fujitsu.u90x01.1991-0"                         [87]
 606 ;; "fujitsu.u90x03.1991-0"                         [87]
 607 ;; "GB2312.1980-0"                                 [39],[12]
 608 ;;         China (PRC) Hanzi, GL encoding
 609 ;; "GB2312.1980-1"                                 [39]
 610 ;;         (deprecated)
 611 ;;         China (PRC) Hanzi, GR encoding
 612 ;; "HP-Arabic8"                                    [36]
 613 ;;         HPARABIC8 8-bit character set
 614 ;; "HP-East8"                                      [36]
 615 ;;         HPEAST8 8-bit character set
 616 ;; "HP-Greek8"                                     [36]
 617 ;;         HPGREEK8 8-bit character set
 618 ;; "HP-Hebrew8"                                    [36]
 619 ;;         HPHEBREW8 8-bit character set
 620 ;; "HP-Japanese15"                                 [36]
 621 ;;         HPJAPAN15 15-bit characer set,
 622 ;;         modified from industry defacto
 623 ;;         standard Shift-JIS
 624 ;; "HP-Kana8"                                      [36]
 625 ;;         HPKANA8 8-bit character set
 626 ;; "HP-Korean15"                                   [36]
 627 ;;         HPKOREAN15 15-bit character set
 628 ;; "HP-Roman8"                                     [36]
 629 ;;         HPROMAN8 8-bit character set
 630 ;; "HP-SChinese15"                                 [36]
 631 ;;         HPSCHINA15 15-bit character set for
 632 ;;         support of Simplified Chinese
 633 ;; "HP-TChinese15"                                 [36]
 634 ;;         HPTCHINA15 15-bit character set for
 635 ;;         support of Traditional Chinese
 636 ;; "HP-Turkish8"                                   [36]
 637 ;;         HPTURKISH8 8-bit character set
 638 ;; "IPSYS"                                         [59]
 639 ;;         registry prefix
 640 ;; "IPSYS.IE-1"                                    [59]
 641 ;; "ISO2022"<REG>"-"<ENC>                          [44]
 642 ;; "ISO646.1991-IRV"                               [107]
 643 ;;         ISO 646 International Reference Version
 644 ;; "ISO8859-1"                                     [15],[12]
 645 ;;         ISO Latin alphabet No. 1
 646 ;; "ISO8859-2"                                     [15],[12]
 647 ;;         ISO Latin alphabet No. 2
 648 ;; "ISO8859-3"                                     [15],[12]
 649 ;;         ISO Latin alphabet No. 3
 650 ;; "ISO8859-4"                                     [15],[12]
 651 ;;         ISO Latin alphabet No. 4
 652 ;; "ISO8859-5"                                     [15],[12]
 653 ;;         ISO Latin/Cyrillic alphabet
 654 ;; "ISO8859-6"                                     [15],[12]
 655 ;;         ISO Latin/Arabic alphabet
 656 ;; "ISO8859-7"                                     [15],[12]
 657 ;;         ISO Latin/Greek alphabet
 658 ;; "ISO8859-8"                                     [15],[12]
 659 ;;         ISO Latin/Hebrew alphabet
 660 ;; "ISO8859-9"                                     [15],[12]
 661 ;;         ISO Latin alphabet No. 5
 662 ;; "ISO8859-10"                                    [15],[12]
 663 ;;         ISO Latin alphabet No. 6
 664 ;; "ISO8859-13"                                    [15],[12]
 665 ;;         ISO Latin alphabet No. 7
 666 ;; "ISO8859-14"                                    [15],[12]
 667 ;;         ISO Latin alphabet No. 8
 668 ;; "ISO8859-15"                                    [15],[12]
 669 ;;         ISO Latin alphabet No. 9
 670 ;; "FCD8859-15"                                    [7]
 671 ;;         (deprecated)
 672 ;;         ISO Latin alphabet No. 9, Final Committee Draft
 673 ;; "ISO10646-1"                                    [133]
 674 ;;         Unicode Universal Multiple-Octet Coded Character Set
 675 ;; "ISO10646-MES"                                  [133]
 676 ;;         (deprecated)
 677 ;;         Unicode Minimum European Subset
 678 ;; "JISX0201.1976-0"                               [38],[12]
 679 ;;         8-Bit Alphanumeric-Katakana Code
 680 ;; "JISX0208.1983-0"                               [40],[12]
 681 ;;         Japanese Graphic Character Set,
 682 ;;         GL encoding
 683 ;; "JISX0208.1990-0"                               [71]
 684 ;;         Japanese Graphic Character Set,
 685 ;;         GL encoding
 686 ;; "JISX0208.1983-1"                               [40]
 687 ;;         (deprecated)
 688 ;;         Japanese Graphic Character Set,
 689 ;;         GR encoding
 690 ;; "JISX0212.1990-0"                               [72]
 691 ;;         Supplementary Japanese Graphic Character Set,
 692 ;;         GL encoding
 693 ;; "KOI8-R"                                        [119]
 694 ;;         Cyrillic alphabet
 695 ;; "KSC5601.1987-0"                                [41],[12]
 696 ;;         Korean Graphic Character Set,
 697 ;;         GL encoding
 698 ;; "KSC5601.1987-1"                                [41]
 699 ;;         (deprecated)
 700 ;;         Korean Graphic Character Set,
 701 ;;         GR encoding
 702 ;; "omron_CNS11643-0"                              [45]
 703 ;; "omron_CNS11643-1"                              [45]
 704 ;; "omron_BIG5-0"                                  [45]
 705 ;; "omron_BIG5-1"                                  [45]
 706 ;; "wn.tamil.1993"                                 [103]
 707
 708 (defun set-font-encoding (pattern charset)
 709   "Set arguments in `font-encoding-alist' (which see)."
 710   (let ((slot (assoc pattern font-encoding-alist)))
 711     (if slot
 712         (setcdr slot charset)
 713       (setq font-encoding-alist
 714             (cons (cons pattern charset) font-encoding-alist)))))
 715
 716 (defvar x-pixel-size-width-font-regexp)
 717 (defvar vertical-centering-font-regexp)
 718
 719 ;; Setting for suppressing XLoadQueryFont on big fonts.
 720 (setq x-pixel-size-width-font-regexp
 721       "gb2312\\|gbk\\|gb18030\\|jisx0208\\|ksc5601\\|cns11643\\|big5")
 722
 723 ;; These fonts require vertical centering.
 724 (setq vertical-centering-font-regexp
 725       "gb2312\\|gbk\\|gb18030\\|jisx0208\\|jisx0212\\|ksc5601\\|cns11643\\|big5")
 726
 727 ;; CDAC fonts are actually smaller than their design sizes.
 728 (setq face-font-rescale-alist
 729       '(("-cdac$" . 1.3)))
 730
 731 (defvar x-font-name-charset-alist nil
 732   "This variable has no meaning now.  Just kept for backward compatibility.")
 733
 734 ;;; XLFD (X Logical Font Description) format handler.
 735
 736 ;; Define XLFD's field index numbers.           ; field name
 737 (defconst xlfd-regexp-family-subnum 0)          ; FOUNDRY and FAMILY
 738 (defconst xlfd-regexp-weight-subnum 1)          ; WEIGHT_NAME
 739 (defconst xlfd-regexp-slant-subnum 2)           ; SLANT
 740 (defconst xlfd-regexp-swidth-subnum 3)          ; SETWIDTH_NAME
 741 (defconst xlfd-regexp-adstyle-subnum 4)         ; ADD_STYLE_NAME
 742 (defconst xlfd-regexp-pixelsize-subnum 5)       ; PIXEL_SIZE
 743 (defconst xlfd-regexp-pointsize-subnum 6)       ; POINT_SIZE
 744 (defconst xlfd-regexp-resx-subnum 7)            ; RESOLUTION_X
 745 (defconst xlfd-regexp-resy-subnum 8)            ; RESOLUTION_Y
 746 (defconst xlfd-regexp-spacing-subnum 8)         ; SPACING
 747 (defconst xlfd-regexp-avgwidth-subnum 10)       ; AVERAGE_WIDTH
 748 (defconst xlfd-regexp-registry-subnum 11)       ; REGISTRY and ENCODING
 749
 750 ;; Regular expression matching against a fontname which conforms to
 751 ;; XLFD (X Logical Font Description).  All fields in XLFD should be
 752 ;; not be omitted (but can be a wild card) to be matched.
 753 (defconst xlfd-tight-regexp
 754   "^\
 755 -\\([^-]*-[^-]*\\)-\\([^-]*\\)-\\([^-]*\\)-\\([^-]*\\)\
 756 -\\([^-]*\\)-\\([^-]*\\)-\\([^-]*\\)-\\([^-]*\\)-\\([^-]*\\)\
 757 -\\([^-]*\\)-\\([^-]*\\)-\\([^-]*-[^-]*\\)$")
 758
 759 ;; Regular expression matching against a fontname which conforms to
 760 ;; XLFD (X Logical Font Description).  All fields in XLFD from FOUNDRY
 761 ;; to ADSTYLE, REGISTRY, and ENCODING should be not be omitted (but
 762 ;; can be a wild card) to be matched.
 763 (defconst xlfd-style-regexp
 764   "^\
 765 -\\([^-]*-[^-]*\\)-\\([^-]*\\)-\\([^-]*\\)-\\([^-]*\\)-\\([^-]*\\)-.*\
 766 -\\([^-]*-[^-]*\\)$")
 767
 768 ;; List of field numbers of XLFD whose values are numeric.
 769 (defconst xlfd-regexp-numeric-subnums
 770   (list xlfd-regexp-pixelsize-subnum    ;5
 771         xlfd-regexp-pointsize-subnum    ;6
 772         xlfd-regexp-resx-subnum         ;7
 773         xlfd-regexp-resy-subnum         ;8
 774         xlfd-regexp-avgwidth-subnum     ;10
 775         ))
 776
 777 (defun x-decompose-font-name (pattern)
 778   "Decompose PATTERN into XLFD fields and return a vector of the fields.
 779 The length of the vector is 12.
 780 The FOUNDRY and FAMILY fields are concatinated and stored in the first
 781 element of the vector.
 782 The REGISTRY and ENCODING fields are concatinated and stored in the last
 783 element of the vector.
 784
 785 Return nil if PATTERN doesn't conform to XLFD."
 786   (if (string-match xlfd-tight-regexp pattern)
 787       (let ((xlfd-fields (make-vector 12 nil)))
 788         (dotimes (i 12)
 789           (aset xlfd-fields i (match-string (1+ i) pattern)))
 790         (dotimes (i 12)
 791           (if (string-match "^[*-]+$" (aref xlfd-fields i))
 792               (aset xlfd-fields i nil)))
 793         xlfd-fields)))
 794
 795 (defun x-compose-font-name (fields &optional reduce)
 796   "Compose X fontname from FIELDS.
 797 FIELDS is a vector of XLFD fields, of length 12.
 798 If a field is nil, wild-card letter `*' is embedded.
 799 Optional argument REDUCE exists just for backward compatibility,
 800 and is always ignored."
 801   (concat "-" (mapconcat (lambda (x) (or x "*")) fields "-")))
 802
 803
 804 (defun x-must-resolve-font-name (xlfd-fields)
 805   "Like `x-resolve-font-name', but always return a font name.
 806 XLFD-FIELDS is a vector of XLFD (X Logical Font Description) fields.
 807 If no font matching XLFD-FIELDS is available, successively replace
 808 parts of the font name pattern with \"*\" until some font is found.
 809 Value is name of that font."
 810   (let ((ascii-font nil) (index 0))
 811     (while (and (null ascii-font) (<= index xlfd-regexp-registry-subnum))
 812       (let ((pattern (x-compose-font-name xlfd-fields)))
 813         (condition-case nil
 814             (setq ascii-font (x-resolve-font-name pattern))
 815           (error
 816            (message "Warning: no fonts matching `%s' available" pattern)
 817            (aset xlfd-fields index "*")
 818            (setq index (1+ index))))))
 819     (unless ascii-font
 820       (error "No fonts found"))
 821     ascii-font))
 822
 823
 824 (defun x-complement-fontset-spec (default-spec fontlist)
 825   "Complement elements of FONTLIST based on DEFAULT-SPEC.
 826 DEFAULT-SPEC is a font-spec object providing default font properties.
 827 FONTLIST is an alist of script names vs the corresponding font names.
 828
 829 The font names are parsed and unspecified font properties are
 830 given from DEFAULT-SPEC."
 831   (let ((prop-list '(:foundry :family :weight :slant :width :adstyle :size)))
 832     (dolist (elt fontlist)
 833       (let ((spec (font-spec :name (cadr elt))))
 834         (dolist (prop prop-list)
 835           (let ((val (font-get spec prop)))
 836             (or val
 837                 (font-put spec prop (font-get default-spec prop)))))
 838         (setcar (cdr elt) spec)))
 839     fontlist))
 840
 841 (defun fontset-name-p (fontset)
 842   "Return non-nil if FONTSET is valid as fontset name.
 843 A valid fontset name should conform to XLFD (X Logical Font Description)
 844 with \"fontset\" in `<CHARSET_REGISTRY>' field."
 845   (and (string-match xlfd-tight-regexp fontset)
 846        (string= (match-string (1+ xlfd-regexp-registry-subnum) fontset)
 847                 "fontset")))
 848
 849 (declare-function fontset-list "fontset.c" ())
 850
 851 (defun generate-fontset-menu ()
 852   "Return list to be appended to `x-fixed-font-alist'.
 853 Done when `mouse-set-font' is called."
 854   (let (l)
 855     (dolist (fontset (fontset-list))
 856       (or (string-match "fontset-default$" fontset)
 857           (string-match "fontset-auto[0-9]+$" fontset)
 858           (push (list (fontset-plain-name fontset) fontset) l)))
 859     (cons "Fontset"
 860           (sort l #'(lambda (x y) (string< (car x) (car y)))))))
 861
 862 (declare-function query-fontset "fontset.c" (pattern &optional regexpp))
 863
 864 (defun fontset-plain-name (fontset)
 865   "Return a plain and descriptive name of FONTSET."
 866   (if (not (setq fontset (query-fontset fontset)))
 867       (error "Invalid fontset: %s" fontset))
 868   (let ((xlfd-fields (x-decompose-font-name fontset)))
 869     (if xlfd-fields
 870         (let ((family (aref xlfd-fields xlfd-regexp-family-subnum))
 871               (weight (aref xlfd-fields xlfd-regexp-weight-subnum))
 872               (slant  (aref xlfd-fields xlfd-regexp-slant-subnum))
 873               (swidth (aref xlfd-fields xlfd-regexp-swidth-subnum))
 874               (size   (aref xlfd-fields xlfd-regexp-pixelsize-subnum))
 875               (nickname (aref xlfd-fields xlfd-regexp-registry-subnum))
 876               name)
 877           (if (not (string-match "^fontset-\\(.*\\)$" nickname))
 878               (setq nickname family)
 879             (setq nickname (match-string 1 nickname)))
 880           (if (and size (> (string-to-number size) 0))
 881               (setq name (format "%s: %s-dot" nickname size))
 882             (setq name nickname))
 883           (and weight
 884                (cond ((string-match "^medium$" weight)
 885                       (setq name (concat name " " "medium")))
 886                      ((string-match "^bold$\\|^demibold$" weight)
 887                       (setq name (concat name " " weight)))))
 888           (and slant
 889                (cond ((string-match "^i$" slant)
 890                       (setq name (concat name " " "italic")))
 891                      ((string-match "^o$" slant)
 892                       (setq name (concat name " " "slant")))
 893                      ((string-match "^ri$" slant)
 894                       (setq name (concat name " " "reverse italic")))
 895                      ((string-match "^ro$" slant)
 896                       (setq name (concat name " " "reverse slant")))))
 897           name)
 898       fontset)))
 899
 900 (defvar charset-script-alist
 901   '((ascii . latin)
 902     (latin-iso8859-1 . latin)
 903     (latin-iso8859-2 . latin)
 904     (latin-iso8859-3 . latin)
 905     (latin-iso8859-4 . latin)
 906     (latin-iso8859-9 . latin)
 907     (latin-iso8859-10 . latin)
 908     (latin-iso8859-13 . latin)
 909     (latin-iso8859-14 . latin)
 910     (latin-iso8859-15 . latin)
 911     (latin-iso8859-16 . latin)
 912     (latin-jisx0201 . latin)
 913     (thai-tis620 . thai)
 914     (cyrillic-iso8859-5 . cyrillic)
 915     (arabic-iso8859-6 . arabic)
 916     (greek-iso8859-7 . latin)
 917     (hebrew-iso8859-8 . latin)
 918     (katakana-jisx0201 . kana)
 919     (chinese-gb2312 . han)
 920     (chinese-gbk . han)
 921     (gb18030-2-byte . han)
 922     (gb18030-4-byte-bmp . han)
 923     (gb18030-4-byte-ext-1 . han)
 924     (gb18030-4-byte-ext-2 . han)
 925     (gb18030-4-byte-smp . han)
 926     (chinese-big5-1 . han)
 927     (chinese-big5-2 . han)
 928     (chinese-cns11643-1 . han)
 929     (chinese-cns11643-2 . han)
 930     (chinese-cns11643-3 . han)
 931     (chinese-cns11643-4 . han)
 932     (chinese-cns11643-5 . han)
 933     (chinese-cns11643-6 . han)
 934     (chinese-cns11643-7 . han)
 935     (japanese-jisx0208 . han)
 936     (japanese-jisx0208-1978 . han)
 937     (japanese-jisx0212 . han)
 938     (japanese-jisx0213-1 . han)
 939     (japanese-jisx0213-2 . han)
 940     (korean-ksc5601 . hangul)
 941     (chinese-sisheng . bopomofo)
 942     (vietnamese-viscii-lower . latin)
 943     (vietnamese-viscii-upper . latin)
 944     (arabic-digit . arabic)
 945     (arabic-1-column . arabic)
 946     (arabic-2-column . arabic)
 947     (indian-is13194 . devanagari)
 948     (indian-glyph . devanagari)
 949     (indian-1-column . devanagari)
 950     (indian-2-column . devanagari)
 951     (tibetan-1-column . tibetan))
 952   "Alist of charsets vs the corresponding most appropriate scripts.
 953
 954 This alist is used by the function `create-fontset-from-fontset-spec'
 955 to map charsets to scripts.")
 956
 957 (defun create-fontset-from-fontset-spec (fontset-spec
 958                                          &optional style-variant noerror)
 959   "Create a fontset from fontset specification string FONTSET-SPEC.
 960 FONTSET-SPEC is a string of the format:
 961         FONTSET-NAME,SCRIPT-NAME0:FONT-NAME0,SCRIPT-NAME1:FONT-NAME1, ...
 962 Any number of SPACE, TAB, and NEWLINE can be put before and after commas.
 963
 964 When a frame uses the fontset as the `font' parameter, the frame's
 965 default font name is derived from FONTSET-NAME by substituting
 966 \"iso8859-1\" for the tail part \"fontset-XXX\".  But, if SCRIPT-NAMEn
 967 is \"ascii\", use the corresponding FONT-NAMEn as the default font
 968 name.
 969
 970 Optional 2nd and 3rd arguments exist just for backward compatibility,
 971 and are ignored.
 972
 973 It returns a name of the created fontset.
 974
 975 For backward compatibility, SCRIPT-NAME may be a charset name, in
 976 which case, the corresponding script is decided by the variable
 977 `charset-script-alist' (which see)."
 978   (or (string-match "^[^,]+" fontset-spec)
 979       (error "Invalid fontset spec: %s" fontset-spec))
 980   (let ((idx (match-end 0))
 981         (name (match-string 0 fontset-spec))
 982         default-spec target script fontlist)
 983     (or (string-match xlfd-tight-regexp name)
 984         (error "Fontset name \"%s\" not conforming to XLFD" name))
 985     (setq default-spec (font-spec :name name))
 986     ;; At first, extract pairs of charset and fontname from FONTSET-SPEC.
 987     (while (string-match "[, \t\n]*\\([^:]+\\):[ \t]*\\([^,]+\\)"
 988                          fontset-spec idx)
 989       (setq idx (match-end 0))
 990       (setq target (intern (match-string 1 fontset-spec)))
 991       (cond ((or (eq target 'ascii)
 992                  (memq target (char-table-extra-slot char-script-table 0)))
 993              (push (list target (match-string 2 fontset-spec)) fontlist))
 994             ((setq script (cdr (assq target charset-script-alist)))
 995              (push (list script (match-string 2 fontset-spec)) fontlist))
 996             ((charsetp target)
 997              (push (list target (match-string 2 fontset-spec)) fontlist))))
 998
 999     ;; Complement FONTLIST.
1000     (setq fontlist (x-complement-fontset-spec default-spec fontlist))
1001
1002     ;; Create a fontset.
1003     (new-fontset name (nreverse fontlist))))
1004
1005 (defun create-fontset-from-ascii-font (font &optional resolved-font
1006                                             fontset-name)
1007   "Create a fontset from an ASCII font FONT.
1008
1009 Optional 2nd arg RESOLVED-FONT is a resolved name of FONT.
1010 If omitted, `x-resolve-font-name' is called to get the resolved name.
1011 At this time, if FONT is not available, an error is signaled.
1012
1013 Optional 3rd arg FONTSET-NAME is a string to be used in
1014 `<CHARSET_ENCODING>' fields of a new fontset name.  If it is omitted,
1015 an appropriate name is generated automatically.
1016
1017 It returns a name of the created fontset."
1018   (setq font (downcase font))
1019   (setq resolved-font
1020         (downcase (or resolved-font (x-resolve-font-name font))))
1021   (let ((xlfd (x-decompose-font-name resolved-font))
1022         fontset)
1023     (if fontset-name
1024         (setq fontset-name (downcase fontset-name))
1025       (if (query-fontset "fontset-startup")
1026           (setq fontset-name
1027                 (subst-char-in-string
1028                  ?- ?_ (aref xlfd xlfd-regexp-registry-subnum) t))
1029         (setq fontset-name "startup")))
1030     (aset xlfd xlfd-regexp-registry-subnum
1031           (format "fontset-%s" fontset-name))
1032     (setq fontset (x-compose-font-name xlfd))
1033     (or (query-fontset fontset)
1034         (create-fontset-from-fontset-spec (concat fontset ", ascii:" font)))))
1035
1036 \f
1037 ;; Create standard fontset from 16 dots fonts which are the most widely
1038 ;; installed fonts.  Fonts for Chinese-GB, Korean, and Chinese-CNS are
1039 ;; specified here because FAMILY of those fonts are not "fixed" in
1040 ;; many cases.
1041 (defvar standard-fontset-spec
1042   (purecopy "-*-fixed-medium-r-normal-*-16-*-*-*-*-*-fontset-standard")
1043   "String of fontset spec of the standard fontset.
1044 You have the biggest chance to display international characters
1045 with correct glyphs by using the standard fontset.
1046 See the documentation of `create-fontset-from-fontset-spec' for the format.")
1047
1048
1049 ;; Create fontsets from X resources of the name `fontset-N (class
1050 ;; Fontset-N)' where N is integer 0, 1, ...
1051 ;; The values of the resources the string of the same format as
1052 ;; `standard-fontset-spec'.
1053
1054 (declare-function x-get-resource "frame.c"
1055                   (attribute class &optional component subclass))
1056
1057 (defun create-fontset-from-x-resource ()
1058   (let ((idx 0)
1059         fontset-spec)
1060     (while (setq fontset-spec (x-get-resource (format "fontset-%d" idx)
1061                                               (format "Fontset-%d" idx)))
1062       (condition-case nil
1063           (create-fontset-from-fontset-spec fontset-spec t)
1064         (error (display-warning
1065                 'initialization
1066                 (format "Fontset-%d: invalid specification in X resource" idx)
1067                 :warning)))
1068       (setq idx (1+ idx)))))
1069
1070 ;;
1071 (provide 'fontset)
1072
1073 ;; arch-tag: bb53e629-0234-403c-950e-551e61554849
1074 ;;; fontset.el ends here