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             ,(font-spec :registry "iso10646-1" :script 'thai))
 331             (nil . "TIS620*")
 332             (nil . "ISO8859-11"))
 333
 334      (devanagari ,(font-spec :registry "iso10646-1" :otf '(deva nil (rphf)))
 335                  (nil . "iso10646.indian-1"))
 336      (bengali ,(font-spec :registry "iso10646-1" :otf '(beng nil (rphf))))
 337      (gurmukhi ,(font-spec :registry "iso10646-1" :otf '(guru nil (blwf))))
 338      (gujarati ,(font-spec :registry "iso10646-1" :otf '(gujr nil (rphf))))
 339      (oriya ,(font-spec :registry "iso10646-1" :otf '(orya nil (rphf))))
 340      (tamil ,(font-spec :registry "iso10646-1" :otf '(taml nil (akhn))))
 341      (telugu ,(font-spec :registry "iso10646-1" :otf '(telu nil (blwf))))
 342      (kannada ,(font-spec :registry "iso10646-1" :otf '(knda nil (rphf))))
 343      (sinhala ,(font-spec :registry "iso10646-1" :otf '(sinh nil (akhn))))
 344      (malayalam ,(font-spec :registry "iso10646-1" :otf '(mlym nil (akhn))))
 345
 346      (lao ,(font-spec :registry "iso10646-1" :otf '(lao\  nil nil (mark)))
 347           ,(font-spec :registry "iso10646-1" :script 'lao)
 348           (nil . "MuleLao-1"))
 349
 350      (tai-viet ("TaiViet" . "iso10646-1"))
 351
 352      ;; both for script and charset.
 353      (tibetan ,(font-spec :registry "iso10646-1"
 354                           :otf '(tibt nil (ccmp blws abvs)))
 355               ,(font-spec :family "mtib" :registry "iso10646-1")
 356               (nil . "muletibetan-2"))
 357
 358      ;; both for script and charset.
 359      (ethiopic ,(font-spec :registry "iso10646-1" :script 'ethiopic)
 360                (nil . "ethiopic-unicode"))
 361
 362      (greek ,(font-spec :registry "iso10646-1" :script 'greek)
 363             (nil . "ISO8859-7"))
 364
 365      (cyrillic ,(font-spec :registry "iso10646-1" :script 'cyrillic)
 366                (nil . "ISO8859-5")
 367                (nil . "microsoft-cp1251")
 368                (nil . "koi8-r"))
 369
 370      (arabic ,(font-spec :registry "iso10646-1"
 371                          :otf '(arab nil (init medi fini liga)))
 372              (nil . "MuleArabic-0")
 373              (nil . "MuleArabic-1")
 374              (nil . "MuleArabic-2")
 375              (nil . "ISO8859-6"))
 376
 377      (hebrew ,(font-spec :registry "iso10646-1" :script 'hebrew)
 378              (nil . "ISO8859-8"))
 379
 380      (khmer ,(font-spec :registry "iso10646-1" :otf '(khmr nil (pres))))
 381
 382      (kana (nil . "JISX0208*")
 383            (nil . "GB2312.1980-0")
 384            (nil . "KSC5601.1987*")
 385            (nil . "JISX0201*")
 386            (nil . "JISX0213.2000-1")
 387            (nil . "JISX0213.2004-1")
 388            ,(font-spec :registry "iso10646-1" :script 'kana))
 389
 390      (bopomofo ,(font-spec :registry "iso10646-1" :script 'bopomofo)
 391                (nil . "sisheng_cwnn-0"))
 392
 393      (han (nil . "GB2312.1980-0")
 394           (nil . "JISX0208*")
 395           (nil . "JISX0212*")
 396           (nil . "big5*")
 397           (nil . "KSC5601.1987*")
 398           (nil . "CNS11643.1992-1")
 399           (nil . "CNS11643.1992-2")
 400           (nil . "CNS11643.1992-3")
 401           (nil . "CNS11643.1992-4")
 402           (nil . "CNS11643.1992-5")
 403           (nil . "CNS11643.1992-6")
 404           (nil . "CNS11643.1992-7")
 405           (nil . "gbk-0")
 406           (nil . "gb18030")
 407           (nil . "JISX0213.2000-1")
 408           (nil . "JISX0213.2000-2")
 409           (nil . "JISX0213.2004-1")
 410           ,(font-spec :registry "iso10646-1" :lang 'ja)
 411           ,(font-spec :registry "iso10646-1" :lang 'zh))
 412
 413      (cjk-misc (nil . "GB2312.1980-0")
 414                (nil . "JISX0208*")
 415                (nil . "JISX0212*")
 416                (nil . "big5*")
 417                (nil . "KSC5601.1987*")
 418                (nil . "CNS11643.1992-1")
 419                (nil . "CNS11643.1992-2")
 420                (nil . "CNS11643.1992-3")
 421                (nil . "CNS11643.1992-4")
 422                (nil . "CNS11643.1992-5")
 423                (nil . "CNS11643.1992-6")
 424                (nil . "CNS11643.1992-7")
 425                (nil . "gbk-0")
 426                (nil . "gb18030")
 427                (nil . "JISX0213.2000-1")
 428                (nil . "JISX0213.2000-2")
 429                ,(font-spec :registry "iso10646-1" :lang 'ja)
 430                ,(font-spec :registry "iso10646-1" :lang 'zh))
 431
 432      (hangul (nil . "KSC5601.1987-0")
 433              ,(font-spec :registry "iso10646-1" :lang 'ko))
 434
 435      ;; for each charset
 436      (ascii (nil . "ISO8859-1"))
 437      (arabic-digit ("*" . "MuleArabic-0"))
 438      (arabic-1-column ("*" . "MuleArabic-1"))
 439      (arabic-2-column ("*" . "MuleArabic-2"))
 440      (indian-is13194 (nil . "is13194-devanagari"))
 441      (indian-1-column ("*" . "muleindian-2"))
 442      ;; Indian CDAC
 443      (devanagari-cdac (nil . "Devanagari-CDAC"))
 444      (sanskrit-cdac (nil . "Sanskrit-CDAC"))
 445      (bengali-cdac (nil . "Bengali-CDAC"))
 446      (assamese-cdac (nil . "Assamese-CDAC"))
 447      (punjabi-cdac (nil . "Punjabi-CDAC"))
 448      (gujarati-cdac (nil . "Gujarati-CDAC"))
 449      (oriya-cdac (nil . "Oriya-CDAC"))
 450      (tamil-cdac (nil . "Tamil-CDAC"))
 451      (telugu-cdac (nil . "Telugu-CDAC"))
 452      (kannada-cdac (nil . "Kannada-CDAC"))
 453      (malayalam-cdac (nil . "Malayalam-CDAC"))
 454      ;; Indian AKRUTI
 455      (devanagari-akruti (nil . "Devanagari-Akruti"))
 456      (bengali-akruti (nil . "Bengali-Akruti"))
 457      (punjabi-akruti (nil . "Punjabi-Akruti"))
 458      (gujarati-akruti (nil . "Gujarati-Akruti"))
 459      (oriya-akruti (nil . "Oriya-Akruti"))
 460      (tamil-akruti (nil . "Tamil-Akruti"))
 461      (telugu-akruti (nil . "Telugu-Akruti"))
 462      (kannada-akruti (nil . "Kannada-Akruti"))
 463      (malayalam-akruti (nil . "Malayalam-Akruti"))
 464      ;;(devanagari-glyph ("altsys-dv_ttsurekh" . "devanagari-cdac"))
 465      ;;(malayalam-glyph ("altsys-ml_ttkarthika" . "malayalam-cdac"))
 466      (ipa ,(font-spec :registry "iso10646-1" :script 'phonetic)
 467           (nil . "MuleIPA-1")
 468           (nil . "iso10646-1"))
 469
 470      ;; Fallback fonts
 471      (nil (nil . "gb2312.1980")
 472           (nil . "gbk-0")
 473           (nil . "gb18030")
 474           (nil . "jisx0208")
 475           (nil . "ksc5601.1987")
 476           (nil . "CNS11643.1992-1")
 477           (nil . "CNS11643.1992-2")
 478           (nil . "CNS11643.1992-3")
 479           (nil . "CNS11643.1992-4")
 480           (nil . "CNS11643.1992-5")
 481           (nil . "CNS11643.1992-6")
 482           (nil . "CNS11643.1992-7")
 483           (nil . "big5")
 484           (nil . "jisx0213.2000-1")
 485           (nil . "jisx0213.2004-1")
 486           (nil . "jisx0212"))
 487      ))
 488
 489   ;; For simple scripts
 490   (dolist (script '(phonetic
 491                     armenian
 492                     syriac
 493                     thaana
 494                     myanmar
 495                     georgian
 496                     cherokee
 497                     canadian-aboriginal
 498                     ogham
 499                     runic
 500                     symbol
 501                     braille
 502                     yi
 503                     aegean-number
 504                     ancient-greek-number
 505                     ancient-symbol
 506                     phaistos-disc
 507                     lycian
 508                     carian
 509                     olt-italic
 510                     ugaritic
 511                     old-persian
 512                     deseret
 513                     shavian
 514                     osmanya
 515                     cypriot-syllabary
 516                     phoenician
 517                     lydian
 518                     kharoshthi
 519                     cuneiform
 520                     cuneiform-numbers-and-punctuation
 521                     byzantine-musical-symbol
 522                     musical-symbol
 523                     ancient-greek-musical-notation
 524                     tai-xuan-jing-symbol
 525                     counting-rod-numeral
 526                     mahjong-tile
 527                     domino-tile))
 528     (set-fontset-font "fontset-default"
 529                       script (font-spec :registry "iso10646-1" :script script)))
 530
 531   ;; Special settings for `MATHEMATICAL (U+1D400..U+1D7FF)'.
 532   (dolist (math-subgroup '((#x1D400 #x1D433 mathematical-bold)
 533                            (#x1D434 #x1D467 mathematical-italic)
 534                            (#x1D468 #x1D49B mathematical-bold-italic)
 535                            (#x1D49C #x1D4CF mathematical-script)
 536                            (#x1D4D0 #x1D503 mathematical-bold-script)
 537                            (#x1D504 #x1D537 mathematical-fraktur)
 538                            (#x1D538 #x1D56B mathematical-double-struck)
 539                            (#x1D56C #x1D59F mathematical-bold-fraktur)
 540                            (#x1D5A0 #x1D5D3 mathematical-sans-serif)
 541                            (#x1D5D4 #x1D607 mathematical-sans-serif-bold)
 542                            (#x1D608 #x1D63B mathematical-sans-serif-italic)
 543                            (#x1D63C #x1D66F mathematical-sans-serif-bold-italic)
 544                            (#x1D670 #x1D6A3 mathematical-monospace)
 545                            (#x1D6A4 #x1D6A5 mathematical-italic)
 546                            (#x1D6A8 #x1D6E1 mathematical-bold)
 547                            (#x1D6E2 #x1D71B mathematical-italic)
 548                            (#x1D71C #x1D755 mathematical-bold-italic)
 549                            (#x1D756 #x1D78F mathematical-sans-serif-bold)
 550                            (#x1D790 #x1D7C9 mathematical-sans-serif-bold-italic)
 551                            (#x1D7CA #x1D7D7 mathematical-bold)
 552                            (#x1D7D8 #x1D7E1 mathematical-double-struck)
 553                            (#x1D7E2 #x1D7EB mathematical-sans-serif)
 554                            (#x1D7EC #x1D7F5 mathematical-sans-serif-bold)
 555                            (#x1D7F6 #x1D7FF mathematical-monospace)))
 556     (let ((slot (assq (nth 2 math-subgroup) script-representative-chars)))
 557       (if slot
 558           (if (vectorp (cdr slot))
 559               (setcdr slot (vconcat (cdr slot) (vector (car math-subgroup))))
 560             (setcdr slot (vector (cadr slot) (car math-subgroup))))
 561         (setq slot (list (nth 2 math-subgroup) (car math-subgroup)))
 562         (nconc script-representative-chars (list slot))))
 563     (set-fontset-font
 564      "fontset-default"
 565      (cons (car math-subgroup) (nth 1 math-subgroup))
 566      (font-spec :registry "iso10646-1" :script (nth 2 math-subgroup))))
 567
 568   ;; Append Unicode fonts.
 569   ;; This may find fonts with more variants (bold, italic) but which
 570   ;; don't cover many characters.
 571   (set-fontset-font "fontset-default" nil
 572                     '(nil . "iso10646-1") nil 'prepend)
 573   ;; These may find fonts that cover many characters but with fewer
 574   ;; variants.
 575   (set-fontset-font "fontset-default" nil
 576                     '("gnu-unifont" . "iso10646-1") nil 'prepend)
 577   (set-fontset-font "fontset-default" nil
 578                     '("mutt-clearlyu" . "iso10646-1") nil 'prepend)
 579   (set-fontset-font "fontset-default" '(#x20000 . #x2FFFF)
 580                     '(nil . "unicode-sip"))
 581
 582   (set-fontset-font "fontset-default" '(#xE000 . #xF8FF)
 583                     '(nil . "iso10646-1"))
 584   ;; Don't try the fallback fonts even if no suitable font was found
 585   ;; by the above font-spec.
 586   (set-fontset-font "fontset-default" '(#xE000 . #xF8FF) nil nil 'append))
 587
 588 (defun create-default-fontset ()
 589   "Create the default fontset.
 590 Internal use only.  Should be called at startup time."
 591   (condition-case err
 592       (setup-default-fontset)
 593     (error (display-warning
 594             'initialization
 595             (format "Creation of the default fontsets failed: %s" err)
 596             :error))))
 597
 598 ;; These are the registered registries/encodings from
 599 ;; ftp://ftp.x.org/pub/DOCS/registry 2001/06/01
 600
 601 ;; Name                                            Reference
 602 ;; ----                                            ---------
 603 ;; "DEC"                                           [27]
 604 ;;         registry prefix
 605 ;; "DEC.CNS11643.1986-2"                           [53]
 606 ;;         CNS11643 2-plane using the encoding
 607 ;;         suggested in that standard
 608 ;; "DEC.DTSCS.1990-2"                              [54]
 609 ;;         DEC Taiwan Supplemental Character Set
 610 ;; "fujitsu.u90x01.1991-0"                         [87]
 611 ;; "fujitsu.u90x03.1991-0"                         [87]
 612 ;; "GB2312.1980-0"                                 [39],[12]
 613 ;;         China (PRC) Hanzi, GL encoding
 614 ;; "GB2312.1980-1"                                 [39]
 615 ;;         (deprecated)
 616 ;;         China (PRC) Hanzi, GR encoding
 617 ;; "HP-Arabic8"                                    [36]
 618 ;;         HPARABIC8 8-bit character set
 619 ;; "HP-East8"                                      [36]
 620 ;;         HPEAST8 8-bit character set
 621 ;; "HP-Greek8"                                     [36]
 622 ;;         HPGREEK8 8-bit character set
 623 ;; "HP-Hebrew8"                                    [36]
 624 ;;         HPHEBREW8 8-bit character set
 625 ;; "HP-Japanese15"                                 [36]
 626 ;;         HPJAPAN15 15-bit characer set,
 627 ;;         modified from industry defacto
 628 ;;         standard Shift-JIS
 629 ;; "HP-Kana8"                                      [36]
 630 ;;         HPKANA8 8-bit character set
 631 ;; "HP-Korean15"                                   [36]
 632 ;;         HPKOREAN15 15-bit character set
 633 ;; "HP-Roman8"                                     [36]
 634 ;;         HPROMAN8 8-bit character set
 635 ;; "HP-SChinese15"                                 [36]
 636 ;;         HPSCHINA15 15-bit character set for
 637 ;;         support of Simplified Chinese
 638 ;; "HP-TChinese15"                                 [36]
 639 ;;         HPTCHINA15 15-bit character set for
 640 ;;         support of Traditional Chinese
 641 ;; "HP-Turkish8"                                   [36]
 642 ;;         HPTURKISH8 8-bit character set
 643 ;; "IPSYS"                                         [59]
 644 ;;         registry prefix
 645 ;; "IPSYS.IE-1"                                    [59]
 646 ;; "ISO2022"<REG>"-"<ENC>                          [44]
 647 ;; "ISO646.1991-IRV"                               [107]
 648 ;;         ISO 646 International Reference Version
 649 ;; "ISO8859-1"                                     [15],[12]
 650 ;;         ISO Latin alphabet No. 1
 651 ;; "ISO8859-2"                                     [15],[12]
 652 ;;         ISO Latin alphabet No. 2
 653 ;; "ISO8859-3"                                     [15],[12]
 654 ;;         ISO Latin alphabet No. 3
 655 ;; "ISO8859-4"                                     [15],[12]
 656 ;;         ISO Latin alphabet No. 4
 657 ;; "ISO8859-5"                                     [15],[12]
 658 ;;         ISO Latin/Cyrillic alphabet
 659 ;; "ISO8859-6"                                     [15],[12]
 660 ;;         ISO Latin/Arabic alphabet
 661 ;; "ISO8859-7"                                     [15],[12]
 662 ;;         ISO Latin/Greek alphabet
 663 ;; "ISO8859-8"                                     [15],[12]
 664 ;;         ISO Latin/Hebrew alphabet
 665 ;; "ISO8859-9"                                     [15],[12]
 666 ;;         ISO Latin alphabet No. 5
 667 ;; "ISO8859-10"                                    [15],[12]
 668 ;;         ISO Latin alphabet No. 6
 669 ;; "ISO8859-13"                                    [15],[12]
 670 ;;         ISO Latin alphabet No. 7
 671 ;; "ISO8859-14"                                    [15],[12]
 672 ;;         ISO Latin alphabet No. 8
 673 ;; "ISO8859-15"                                    [15],[12]
 674 ;;         ISO Latin alphabet No. 9
 675 ;; "FCD8859-15"                                    [7]
 676 ;;         (deprecated)
 677 ;;         ISO Latin alphabet No. 9, Final Committee Draft
 678 ;; "ISO10646-1"                                    [133]
 679 ;;         Unicode Universal Multiple-Octet Coded Character Set
 680 ;; "ISO10646-MES"                                  [133]
 681 ;;         (deprecated)
 682 ;;         Unicode Minimum European Subset
 683 ;; "JISX0201.1976-0"                               [38],[12]
 684 ;;         8-Bit Alphanumeric-Katakana Code
 685 ;; "JISX0208.1983-0"                               [40],[12]
 686 ;;         Japanese Graphic Character Set,
 687 ;;         GL encoding
 688 ;; "JISX0208.1990-0"                               [71]
 689 ;;         Japanese Graphic Character Set,
 690 ;;         GL encoding
 691 ;; "JISX0208.1983-1"                               [40]
 692 ;;         (deprecated)
 693 ;;         Japanese Graphic Character Set,
 694 ;;         GR encoding
 695 ;; "JISX0212.1990-0"                               [72]
 696 ;;         Supplementary Japanese Graphic Character Set,
 697 ;;         GL encoding
 698 ;; "KOI8-R"                                        [119]
 699 ;;         Cyrillic alphabet
 700 ;; "KSC5601.1987-0"                                [41],[12]
 701 ;;         Korean Graphic Character Set,
 702 ;;         GL encoding
 703 ;; "KSC5601.1987-1"                                [41]
 704 ;;         (deprecated)
 705 ;;         Korean Graphic Character Set,
 706 ;;         GR encoding
 707 ;; "omron_CNS11643-0"                              [45]
 708 ;; "omron_CNS11643-1"                              [45]
 709 ;; "omron_BIG5-0"                                  [45]
 710 ;; "omron_BIG5-1"                                  [45]
 711 ;; "wn.tamil.1993"                                 [103]
 712
 713 (defun set-font-encoding (pattern charset)
 714   "Set arguments in `font-encoding-alist' (which see)."
 715   (let ((slot (assoc pattern font-encoding-alist)))
 716     (if slot
 717         (setcdr slot charset)
 718       (setq font-encoding-alist
 719             (cons (cons pattern charset) font-encoding-alist)))))
 720
 721 (defvar x-pixel-size-width-font-regexp)
 722 (defvar vertical-centering-font-regexp)
 723
 724 ;; Setting for suppressing XLoadQueryFont on big fonts.
 725 (setq x-pixel-size-width-font-regexp
 726       "gb2312\\|gbk\\|gb18030\\|jisx0208\\|ksc5601\\|cns11643\\|big5")
 727
 728 ;; These fonts require vertical centering.
 729 (setq vertical-centering-font-regexp
 730       "gb2312\\|gbk\\|gb18030\\|jisx0208\\|jisx0212\\|ksc5601\\|cns11643\\|big5")
 731
 732 ;; CDAC fonts are actually smaller than their design sizes.
 733 (setq face-font-rescale-alist
 734       '(("-cdac$" . 1.3)))
 735
 736 (defvar x-font-name-charset-alist nil
 737   "This variable has no meaning now.  Just kept for backward compatibility.")
 738
 739 ;;; XLFD (X Logical Font Description) format handler.
 740
 741 ;; Define XLFD's field index numbers.           ; field name
 742 (defconst xlfd-regexp-family-subnum 0)          ; FOUNDRY and FAMILY
 743 (defconst xlfd-regexp-weight-subnum 1)          ; WEIGHT_NAME
 744 (defconst xlfd-regexp-slant-subnum 2)           ; SLANT
 745 (defconst xlfd-regexp-swidth-subnum 3)          ; SETWIDTH_NAME
 746 (defconst xlfd-regexp-adstyle-subnum 4)         ; ADD_STYLE_NAME
 747 (defconst xlfd-regexp-pixelsize-subnum 5)       ; PIXEL_SIZE
 748 (defconst xlfd-regexp-pointsize-subnum 6)       ; POINT_SIZE
 749 (defconst xlfd-regexp-resx-subnum 7)            ; RESOLUTION_X
 750 (defconst xlfd-regexp-resy-subnum 8)            ; RESOLUTION_Y
 751 (defconst xlfd-regexp-spacing-subnum 8)         ; SPACING
 752 (defconst xlfd-regexp-avgwidth-subnum 10)       ; AVERAGE_WIDTH
 753 (defconst xlfd-regexp-registry-subnum 11)       ; REGISTRY and ENCODING
 754
 755 ;; Regular expression matching against a fontname which conforms to
 756 ;; XLFD (X Logical Font Description).  All fields in XLFD should be
 757 ;; not be omitted (but can be a wild card) to be matched.
 758 (defconst xlfd-tight-regexp
 759   "^\
 760 -\\([^-]*-[^-]*\\)-\\([^-]*\\)-\\([^-]*\\)-\\([^-]*\\)\
 761 -\\([^-]*\\)-\\([^-]*\\)-\\([^-]*\\)-\\([^-]*\\)-\\([^-]*\\)\
 762 -\\([^-]*\\)-\\([^-]*\\)-\\([^-]*-[^-]*\\)$")
 763
 764 ;; Regular expression matching against a fontname which conforms to
 765 ;; XLFD (X Logical Font Description).  All fields in XLFD from FOUNDRY
 766 ;; to ADSTYLE, REGISTRY, and ENCODING should be not be omitted (but
 767 ;; can be a wild card) to be matched.
 768 (defconst xlfd-style-regexp
 769   "^\
 770 -\\([^-]*-[^-]*\\)-\\([^-]*\\)-\\([^-]*\\)-\\([^-]*\\)-\\([^-]*\\)-.*\
 771 -\\([^-]*-[^-]*\\)$")
 772
 773 ;; List of field numbers of XLFD whose values are numeric.
 774 (defconst xlfd-regexp-numeric-subnums
 775   (list xlfd-regexp-pixelsize-subnum    ;5
 776         xlfd-regexp-pointsize-subnum    ;6
 777         xlfd-regexp-resx-subnum         ;7
 778         xlfd-regexp-resy-subnum         ;8
 779         xlfd-regexp-avgwidth-subnum     ;10
 780         ))
 781
 782 (defun x-decompose-font-name (pattern)
 783   "Decompose PATTERN into XLFD fields and return a vector of the fields.
 784 The length of the vector is 12.
 785 The FOUNDRY and FAMILY fields are concatinated and stored in the first
 786 element of the vector.
 787 The REGISTRY and ENCODING fields are concatinated and stored in the last
 788 element of the vector.
 789
 790 Return nil if PATTERN doesn't conform to XLFD."
 791   (if (string-match xlfd-tight-regexp pattern)
 792       (let ((xlfd-fields (make-vector 12 nil)))
 793         (dotimes (i 12)
 794           (aset xlfd-fields i (match-string (1+ i) pattern)))
 795         (dotimes (i 12)
 796           (if (string-match "^[*-]+$" (aref xlfd-fields i))
 797               (aset xlfd-fields i nil)))
 798         xlfd-fields)))
 799
 800 (defun x-compose-font-name (fields &optional reduce)
 801   "Compose X fontname from FIELDS.
 802 FIELDS is a vector of XLFD fields, of length 12.
 803 If a field is nil, wild-card letter `*' is embedded.
 804 Optional argument REDUCE exists just for backward compatibility,
 805 and is always ignored."
 806   (concat "-" (mapconcat (lambda (x) (or x "*")) fields "-")))
 807
 808
 809 (defun x-must-resolve-font-name (xlfd-fields)
 810   "Like `x-resolve-font-name', but always return a font name.
 811 XLFD-FIELDS is a vector of XLFD (X Logical Font Description) fields.
 812 If no font matching XLFD-FIELDS is available, successively replace
 813 parts of the font name pattern with \"*\" until some font is found.
 814 Value is name of that font."
 815   (let ((ascii-font nil) (index 0))
 816     (while (and (null ascii-font) (<= index xlfd-regexp-registry-subnum))
 817       (let ((pattern (x-compose-font-name xlfd-fields)))
 818         (condition-case nil
 819             (setq ascii-font (x-resolve-font-name pattern))
 820           (error
 821            (message "Warning: no fonts matching `%s' available" pattern)
 822            (aset xlfd-fields index "*")
 823            (setq index (1+ index))))))
 824     (unless ascii-font
 825       (error "No fonts found"))
 826     ascii-font))
 827
 828
 829 (defun x-complement-fontset-spec (default-spec fontlist)
 830   "Complement elements of FONTLIST based on DEFAULT-SPEC.
 831 DEFAULT-SPEC is a font-spec object providing default font properties.
 832 FONTLIST is an alist of script names vs the corresponding font names.
 833
 834 The font names are parsed and unspecified font properties are
 835 given from DEFAULT-SPEC."
 836   (let ((prop-list '(:foundry :family :weight :slant :width :adstyle :size)))
 837     (dolist (elt fontlist)
 838       (let ((spec (font-spec :name (cadr elt))))
 839         (dolist (prop prop-list)
 840           (let ((val (font-get spec prop)))
 841             (or val
 842                 (font-put spec prop (font-get default-spec prop)))))
 843         (setcar (cdr elt) spec)))
 844     fontlist))
 845
 846 (defun fontset-name-p (fontset)
 847   "Return non-nil if FONTSET is valid as fontset name.
 848 A valid fontset name should conform to XLFD (X Logical Font Description)
 849 with \"fontset\" in `<CHARSET_REGISTRY>' field."
 850   (and (string-match xlfd-tight-regexp fontset)
 851        (string= (match-string (1+ xlfd-regexp-registry-subnum) fontset)
 852                 "fontset")))
 853
 854 (declare-function fontset-list "fontset.c" ())
 855
 856 (defun generate-fontset-menu ()
 857   "Return list to be appended to `x-fixed-font-alist'.
 858 Done when `mouse-set-font' is called."
 859   (let (l)
 860     (dolist (fontset (fontset-list))
 861       (or (string-match "fontset-default$" fontset)
 862           (string-match "fontset-auto[0-9]+$" fontset)
 863           (push (list (fontset-plain-name fontset) fontset) l)))
 864     (cons "Fontset"
 865           (sort l #'(lambda (x y) (string< (car x) (car y)))))))
 866
 867 (declare-function query-fontset "fontset.c" (pattern &optional regexpp))
 868
 869 (defun fontset-plain-name (fontset)
 870   "Return a plain and descriptive name of FONTSET."
 871   (if (not (setq fontset (query-fontset fontset)))
 872       (error "Invalid fontset: %s" fontset))
 873   (let ((xlfd-fields (x-decompose-font-name fontset)))
 874     (if xlfd-fields
 875         (let ((family (aref xlfd-fields xlfd-regexp-family-subnum))
 876               (weight (aref xlfd-fields xlfd-regexp-weight-subnum))
 877               (slant  (aref xlfd-fields xlfd-regexp-slant-subnum))
 878               (swidth (aref xlfd-fields xlfd-regexp-swidth-subnum))
 879               (size   (aref xlfd-fields xlfd-regexp-pixelsize-subnum))
 880               (nickname (aref xlfd-fields xlfd-regexp-registry-subnum))
 881               name)
 882           (if (not (string-match "^fontset-\\(.*\\)$" nickname))
 883               (setq nickname family)
 884             (setq nickname (match-string 1 nickname)))
 885           (if (and size (> (string-to-number size) 0))
 886               (setq name (format "%s: %s-dot" nickname size))
 887             (setq name nickname))
 888           (and weight
 889                (cond ((string-match "^medium$" weight)
 890                       (setq name (concat name " " "medium")))
 891                      ((string-match "^bold$\\|^demibold$" weight)
 892                       (setq name (concat name " " weight)))))
 893           (and slant
 894                (cond ((string-match "^i$" slant)
 895                       (setq name (concat name " " "italic")))
 896                      ((string-match "^o$" slant)
 897                       (setq name (concat name " " "slant")))
 898                      ((string-match "^ri$" slant)
 899                       (setq name (concat name " " "reverse italic")))
 900                      ((string-match "^ro$" slant)
 901                       (setq name (concat name " " "reverse slant")))))
 902           name)
 903       fontset)))
 904
 905 (defvar charset-script-alist
 906   '((ascii . latin)
 907     (latin-iso8859-1 . latin)
 908     (latin-iso8859-2 . latin)
 909     (latin-iso8859-3 . latin)
 910     (latin-iso8859-4 . latin)
 911     (latin-iso8859-9 . latin)
 912     (latin-iso8859-10 . latin)
 913     (latin-iso8859-13 . latin)
 914     (latin-iso8859-14 . latin)
 915     (latin-iso8859-15 . latin)
 916     (latin-iso8859-16 . latin)
 917     (latin-jisx0201 . latin)
 918     (thai-tis620 . thai)
 919     (cyrillic-iso8859-5 . cyrillic)
 920     (arabic-iso8859-6 . arabic)
 921     (greek-iso8859-7 . latin)
 922     (hebrew-iso8859-8 . latin)
 923     (katakana-jisx0201 . kana)
 924     (chinese-gb2312 . han)
 925     (chinese-gbk . han)
 926     (gb18030-2-byte . han)
 927     (gb18030-4-byte-bmp . han)
 928     (gb18030-4-byte-ext-1 . han)
 929     (gb18030-4-byte-ext-2 . han)
 930     (gb18030-4-byte-smp . han)
 931     (chinese-big5-1 . han)
 932     (chinese-big5-2 . han)
 933     (chinese-cns11643-1 . han)
 934     (chinese-cns11643-2 . han)
 935     (chinese-cns11643-3 . han)
 936     (chinese-cns11643-4 . han)
 937     (chinese-cns11643-5 . han)
 938     (chinese-cns11643-6 . han)
 939     (chinese-cns11643-7 . han)
 940     (japanese-jisx0208 . han)
 941     (japanese-jisx0208-1978 . han)
 942     (japanese-jisx0212 . han)
 943     (japanese-jisx0213-1 . han)
 944     (japanese-jisx0213-2 . han)
 945     (korean-ksc5601 . hangul)
 946     (chinese-sisheng . bopomofo)
 947     (vietnamese-viscii-lower . latin)
 948     (vietnamese-viscii-upper . latin)
 949     (arabic-digit . arabic)
 950     (arabic-1-column . arabic)
 951     (arabic-2-column . arabic)
 952     (indian-is13194 . devanagari)
 953     (indian-glyph . devanagari)
 954     (indian-1-column . devanagari)
 955     (indian-2-column . devanagari)
 956     (tibetan-1-column . tibetan))
 957   "Alist of charsets vs the corresponding most appropriate scripts.
 958
 959 This alist is used by the function `create-fontset-from-fontset-spec'
 960 to map charsets to scripts.")
 961
 962 (defun create-fontset-from-fontset-spec (fontset-spec
 963                                          &optional style-variant noerror)
 964   "Create a fontset from fontset specification string FONTSET-SPEC.
 965 FONTSET-SPEC is a string of the format:
 966         FONTSET-NAME,SCRIPT-NAME0:FONT-NAME0,SCRIPT-NAME1:FONT-NAME1, ...
 967 Any number of SPACE, TAB, and NEWLINE can be put before and after commas.
 968
 969 When a frame uses the fontset as the `font' parameter, the frame's
 970 default font name is derived from FONTSET-NAME by substituting
 971 \"iso8859-1\" for the tail part \"fontset-XXX\".  But, if SCRIPT-NAMEn
 972 is \"ascii\", use the corresponding FONT-NAMEn as the default font
 973 name.
 974
 975 Optional 2nd and 3rd arguments exist just for backward compatibility,
 976 and are ignored.
 977
 978 It returns a name of the created fontset.
 979
 980 For backward compatibility, SCRIPT-NAME may be a charset name, in
 981 which case, the corresponding script is decided by the variable
 982 `charset-script-alist' (which see)."
 983   (or (string-match "^[^,]+" fontset-spec)
 984       (error "Invalid fontset spec: %s" fontset-spec))
 985   (let ((idx (match-end 0))
 986         (name (match-string 0 fontset-spec))
 987         default-spec target script fontlist)
 988     (or (string-match xlfd-tight-regexp name)
 989         (error "Fontset name \"%s\" not conforming to XLFD" name))
 990     (setq default-spec (font-spec :name name))
 991     ;; At first, extract pairs of charset and fontname from FONTSET-SPEC.
 992     (while (string-match "[, \t\n]*\\([^:]+\\):[ \t]*\\([^,]+\\)"
 993                          fontset-spec idx)
 994       (setq idx (match-end 0))
 995       (setq target (intern (match-string 1 fontset-spec)))
 996       (cond ((or (eq target 'ascii)
 997                  (memq target (char-table-extra-slot char-script-table 0)))
 998              (push (list target (match-string 2 fontset-spec)) fontlist))
 999             ((setq script (cdr (assq target charset-script-alist)))
1000              (push (list script (match-string 2 fontset-spec)) fontlist))
1001             ((charsetp target)
1002              (push (list target (match-string 2 fontset-spec)) fontlist))))
1003
1004     ;; Complement FONTLIST.
1005     (setq fontlist (x-complement-fontset-spec default-spec fontlist))
1006
1007     ;; Create a fontset.
1008     (new-fontset name (nreverse fontlist))))
1009
1010 (defun create-fontset-from-ascii-font (font &optional resolved-font
1011                                             fontset-name)
1012   "Create a fontset from an ASCII font FONT.
1013
1014 Optional 2nd arg RESOLVED-FONT is a resolved name of FONT.
1015 If omitted, `x-resolve-font-name' is called to get the resolved name.
1016 At this time, if FONT is not available, an error is signaled.
1017
1018 Optional 3rd arg FONTSET-NAME is a string to be used in
1019 `<CHARSET_ENCODING>' fields of a new fontset name.  If it is omitted,
1020 an appropriate name is generated automatically.
1021
1022 It returns a name of the created fontset."
1023   (setq font (downcase font))
1024   (setq resolved-font
1025         (downcase (or resolved-font (x-resolve-font-name font))))
1026   (let ((xlfd (x-decompose-font-name resolved-font))
1027         fontset)
1028     (if fontset-name
1029         (setq fontset-name (downcase fontset-name))
1030       (if (query-fontset "fontset-startup")
1031           (setq fontset-name
1032                 (subst-char-in-string
1033                  ?- ?_ (aref xlfd xlfd-regexp-registry-subnum) t))
1034         (setq fontset-name "startup")))
1035     (aset xlfd xlfd-regexp-registry-subnum
1036           (format "fontset-%s" fontset-name))
1037     (setq fontset (x-compose-font-name xlfd))
1038     (or (query-fontset fontset)
1039         (create-fontset-from-fontset-spec (concat fontset ", ascii:" font)))))
1040
1041 \f
1042 ;; Create standard fontset from 16 dots fonts which are the most widely
1043 ;; installed fonts.  Fonts for Chinese-GB, Korean, and Chinese-CNS are
1044 ;; specified here because FAMILY of those fonts are not "fixed" in
1045 ;; many cases.
1046 (defvar standard-fontset-spec
1047   (purecopy "-*-fixed-medium-r-normal-*-16-*-*-*-*-*-fontset-standard")
1048   "String of fontset spec of the standard fontset.
1049 You have the biggest chance to display international characters
1050 with correct glyphs by using the standard fontset.
1051 See the documentation of `create-fontset-from-fontset-spec' for the format.")
1052
1053
1054 ;; Create fontsets from X resources of the name `fontset-N (class
1055 ;; Fontset-N)' where N is integer 0, 1, ...
1056 ;; The values of the resources the string of the same format as
1057 ;; `standard-fontset-spec'.
1058
1059 (declare-function x-get-resource "frame.c"
1060                   (attribute class &optional component subclass))
1061
1062 (defun create-fontset-from-x-resource ()
1063   (let ((idx 0)
1064         fontset-spec)
1065     (while (setq fontset-spec (x-get-resource (format "fontset-%d" idx)
1066                                               (format "Fontset-%d" idx)))
1067       (condition-case nil
1068           (create-fontset-from-fontset-spec fontset-spec t)
1069         (error (display-warning
1070                 'initialization
1071                 (format "Fontset-%d: invalid specification in X resource" idx)
1072                 :warning)))
1073       (setq idx (1+ idx)))))
1074
1075 ;;
1076 (provide 'fontset)
1077
1078 ;; arch-tag: bb53e629-0234-403c-950e-551e61554849
1079 ;;; fontset.el ends here