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  Free Software Foundation, Inc.
   5 ;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
   6 ;;   2005, 2006, 2007, 2008
   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-1" . tibetan-1-column)))
 119
 120 (defvar font-encoding-charset-alist)
 121
 122 (setq font-encoding-charset-alist
 123       '((latin-iso8859-1 . iso-8859-1)
 124         (latin-iso8859-2 . iso-8859-2)
 125         (latin-iso8859-3 . iso-8859-3)
 126         (latin-iso8859-4 . iso-8859-4)
 127         (latin-iso8859-9 . iso-8859-9)
 128         (latin-iso8859-10 . iso-8859-10)
 129         (latin-iso8859-13 . iso-8859-13)
 130         (latin-iso8859-14 . iso-8859-14)
 131         (latin-iso8859-15 . iso-8859-15)
 132         (latin-iso8859-16 . iso-8859-16)
 133         (cyrillic-iso8859-5 . iso-8859-5)
 134         (greek-iso8859-7 . iso-8859-7)
 135         (arabic-iso8859-6 . iso-8859-6)
 136         (thai-tis620 . tis620-2533)
 137         (latin-jisx0201 . jisx0201)
 138         (katakana-jisx0201 . jisx0201)
 139         (chinese-big5-1 . big5)
 140         (chinese-big5-2 . big5)
 141         (vietnamese-viscii-lower . viscii)
 142         (vietnamese-viscii-upper . viscii)
 143         (tibetan . unicode-bmp)))
 144
 145 (setq script-representative-chars
 146       '((latin ?A ?Z ?a ?z #x00C0 #x0100 #x0180 #x1e00)
 147         (phonetic #x250 #x283)
 148         (greek #x3A9)
 149         (coptic #x3E2)
 150         (cyrillic #x42F)
 151         (armenian #x531)
 152         (hebrew #x5D0)
 153         (arabic #x628)
 154         (syriac #x710)
 155         (thaana #x78C)
 156         (devanagari #x915)
 157         (bengali #x995)
 158         (gurmukhi #xA15)
 159         (gujarati #xA95)
 160         (oriya #xB15)
 161         (tamil #xB95)
 162         (telugu #xC15)
 163         (kannada #xC95)
 164         (malayalam #xD15)
 165         (sinhala #xD95)
 166         (thai #xE17)
 167         (lao #xEA5)
 168         (tibetan #xF40)
 169         (myanmar #x1000)
 170         (georgian #x10D3)
 171         (ethiopic #x1208)
 172         (cherokee #x13B6)
 173         (canadian-aboriginal #x14C0)
 174         (ogham #x168F)
 175         (runic #x16A0)
 176         (khmer #x1780)
 177         (mongolian #x1826)
 178         (symbol . [#x201C #x2200 #x2500])
 179         (braille #x2800)
 180         (ideographic-description #x2FF0)
 181         (cjk-misc #x300E)
 182         (kana #x304B)
 183         (bopomofo #x3105)
 184         (kanbun #x319D)
 185         (han #x5B57)
 186         (yi #xA288)
 187         (cham #xAA00)
 188         (tai-viet #xAA80)
 189         (hangul #xAC00)))
 190
 191 (defvar otf-script-alist)
 192
 193 (setq otf-script-alist
 194       '((arab . arabic)
 195         (armn . armenian)
 196         (bali . balinese)
 197         (beng . bengali)
 198         (bopo . bopomofo)
 199         (brai . braille)
 200         (bugi . buginese)
 201         (buhd . buhid)
 202         (byzm . byzantine-musical-symbol)
 203         (cans . canadian-aboriginal)
 204         (cher . cherokee)
 205         (copt . coptic)
 206         (xsux . cuneiform)
 207         (cyrl . cyrillic)
 208         (cprt . cypriot)
 209         (dsrt . deseret)
 210         (deva . devanagari)
 211         (ethi . ethiopic)
 212         (geor . georgian)
 213         (glag . glagolitic)
 214         (goth . gothic)
 215         (grek . greek)
 216         (gujr . gujarati)
 217         (guru . gurmukhi)
 218         (hani . han)
 219         (hang . hangul)
 220         (hano . hanunoo)
 221         (hebr . hebrew)
 222         (kana . kana)
 223         (knda . kannada)
 224         (khar . kharoshthi)
 225         (khmr . khmer)
 226         (lao\  . lao)
 227         (latn . latin)
 228         (limb . limbu)
 229         (linb . linear_b)
 230         (mlym . malayalam)
 231         (math . mathematical)
 232         (mong . mongolian)
 233         (musc . musical-symbol)
 234         (mymr . myanmar)
 235         (nko\  . nko)
 236         (ogam . ogham)
 237         (ital . old_italic)
 238         (xpeo . old_persian)
 239         (orya . oriya)
 240         (osma . osmanya)
 241         (phag . phags-pa)
 242         (phnx . phoenician)
 243         (runr . runic)
 244         (shaw . shavian)
 245         (sinh . sinhala)
 246         (sylo . syloti_nagri)
 247         (syrc . syriac)
 248         (tglg . tagalog)
 249         (tagb . tagbanwa)
 250         (taml . tamil)
 251         (tale . tai_le)
 252         (telu . telugu)
 253         (thaa . thaana)
 254         (thai . thai)
 255         (tibt . tibetan)
 256         (tfng . tifinagh)
 257         (ugar . ugaritic)
 258         (yi\ \   . yi)))
 259
 260 ;; Set standard fontname specification of characters in the default
 261 ;; fontset to find an appropriate font for each script/charset.  The
 262 ;; specification has the form ((SCRIPT FONT-SPEC ...) ...), where
 263 ;; FONT-SPEC is:
 264 ;;      a cons (FAMILY . REGISTRY),
 265 ;;      or a string FONT-NAME,
 266 ;;      or an object created by `font-spec'.
 267 ;;
 268 ;; FAMILY may be nil, in which case, the the corresponding name of
 269 ;; default face is used.  If REGISTRY contains a character `-', the
 270 ;; string before that is embedded in `CHARSET_REGISTRY' field, and the
 271 ;; string after that is embedded in `CHARSET_ENCODING' field.  If it
 272 ;; does not contain `-', the whole string is embedded in
 273 ;; `CHARSET_REGISTRY' field, and a wild card character `*' is embedded
 274 ;; in `CHARSET_ENCODING' field.
 275 ;;
 276 ;; SCRIPT is a symbol that appears as an element of the char table
 277 ;; `char-script-table'.  SCRIPT may be a charset specifying the range
 278 ;; of characters.
 279
 280 (declare-function new-fontset "fontset.c" (name fontlist))
 281 (declare-function set-fontset-font "fontset.c"
 282                   (name target font-spec &optional frame add))
 283
 284 (defun setup-default-fontset ()
 285   "Setup the default fontset."
 286   (new-fontset
 287    "fontset-default"
 288    `(;; for each script
 289      (latin (nil . "ISO8859-1")
 290             (nil . "ISO8859-2")
 291             (nil . "ISO8859-3")
 292             (nil . "ISO8859-4")
 293             (nil . "ISO8859-9")
 294             (nil . "ISO8859-10")
 295             (nil . "ISO8859-13")
 296             (nil . "ISO8859-14")
 297             (nil . "ISO8859-15")
 298             (nil . "ISO8859-16")
 299             (nil . "VISCII1.1-1")
 300             ,(font-spec :registry "iso10646-1" :script 'latin))
 301
 302      (phonetic ,(font-spec :registry "iso10646-1" :script 'phonetic))
 303
 304      (armenian ,(font-spec :registry "iso10646-1" :script 'armenian))
 305
 306      (thai  ,(font-spec :registry "iso10646-1" :otf '(thai nil nil (mark)))
 307             (nil . "TIS620*")
 308             (nil . "ISO8859-11"))
 309
 310      (devanagari ,(font-spec :registry "iso10646-1" :otf '(deva nil (rphf)))
 311                  (nil . "iso10646.indian-1"))
 312      (bengali ,(font-spec :registry "iso10646-1" :otf '(beng nil (rphf))))
 313      (gurmukhi ,(font-spec :registry "iso10646-1" :otf '(guru nil (blwf))))
 314      (gujarati ,(font-spec :registry "iso10646-1" :otf '(gujr nil (rphf))))
 315      (oriya ,(font-spec :registry "iso10646-1" :otf '(orya nil (rphf))))
 316      (tamil ,(font-spec :registry "iso10646-1" :otf '(taml nil (akhn))))
 317      (telugu ,(font-spec :registry "iso10646-1" :otf '(telu nil (blwf))))
 318      (kannada ,(font-spec :registry "iso10646-1" :otf '(knda nil (rphf))))
 319      (sinhala ,(font-spec :registry "iso10646-1" :otf '(sinh nil (akhn))))
 320      (malayalam ,(font-spec :registry "iso10646-1" :otf '(mlym nil (akhn))))
 321
 322      (lao ,(font-spec :registry "iso10646-1" :otf '(lao\  nil nil (mark)))
 323           ,(font-spec :registry "iso10646-1" :script 'lao)
 324           (nil . "MuleLao-1"))
 325
 326      (tai-viet ("TaiViet" . "iso10646-1"))
 327
 328      ;; both for script and charset.
 329      (tibetan ,(font-spec :registry "iso10646-1"
 330                           :otf '(tibt nil (ccmp blws abvs)))
 331               ,(font-spec :family "mtib" :registry "iso10646-1")
 332               (nil . "muletibetan-2"))
 333
 334      ;; both for script and charset.
 335      (ethiopic ,(font-spec :registry "iso10646-1" :script 'ethiopic)
 336                (nil . "ethiopic-unicode"))
 337
 338      (greek ,(font-spec :registry "iso10646-1" :script 'greek)
 339             (nil . "ISO8859-7"))
 340
 341      (cyrillic ,(font-spec :registry "iso10646-1" :script 'cyrillic)
 342                (nil . "ISO8859-5")
 343                (nil . "microsoft-cp1251")
 344                (nil . "koi8-r"))
 345
 346      (arabic ,(font-spec :registry "iso10646-1"
 347                          :otf '(arab nil (init medi fini liga)))
 348              (nil . "MuleArabic-0")
 349              (nil . "MuleArabic-1")
 350              (nil . "MuleArabic-2")
 351              (nil . "ISO8859-6"))
 352
 353      (hebrew ,(font-spec :registry "iso10646-1" :script 'hebrew)
 354              (nil . "ISO8859-8"))
 355
 356      (syriac ,(font-spec :registry "iso10646-1" :script 'syriac))
 357
 358      (thaana ,(font-spec :registry "iso10646-1" :otf '(thaa nil nil)))
 359
 360      (myanmar ,(font-spec :registry "iso10646-1" :script 'myanmar))
 361
 362      (georgian ,(font-spec :registry "iso10646-1" :script 'georgian))
 363
 364      (cherokee ,(font-spec :registry "iso10646-1" :script 'cherokee))
 365
 366      (canadian-aboriginal ,(font-spec :registry "iso10646-1"
 367                                       :script 'canadian-aboriginal))
 368
 369      (ogham ,(font-spec :registry "iso10646-1" :script 'ogham))
 370
 371      (runic ,(font-spec :registry "iso10646-1" :script 'runic))
 372
 373      (khmer ,(font-spec :registry "iso10646-1" :otf '(khmr nil (pres))))
 374
 375      (symbol ,(font-spec :registry "iso10646-1" :script 'symbol))
 376
 377      (yi ,(font-spec :registry "iso10646-1" :script 'yi))
 378
 379      (kana (nil . "JISX0208*")
 380            (nil . "GB2312.1980-0")
 381            (nil . "KSC5601.1987*")
 382            (nil . "JISX0201*")
 383            (nil . "JISX0213.2000-1")
 384            (nil . "JISX0213.2004-1")
 385            ,(font-spec :registry "iso10646-1" :script 'kana))
 386
 387      (bopomofo ,(font-spec :registry "iso10646-1" :script 'bopomofo)
 388                (nil . "sisheng_cwnn-0"))
 389
 390      (han (nil . "GB2312.1980-0")
 391           (nil . "JISX0208*")
 392           (nil . "JISX0212*")
 393           (nil . "big5*")
 394           (nil . "KSC5601.1987*")
 395           (nil . "CNS11643.1992-1")
 396           (nil . "CNS11643.1992-2")
 397           (nil . "CNS11643.1992-3")
 398           (nil . "CNS11643.1992-4")
 399           (nil . "CNS11643.1992-5")
 400           (nil . "CNS11643.1992-6")
 401           (nil . "CNS11643.1992-7")
 402           (nil . "gbk-0")
 403           (nil . "gb18030")
 404           (nil . "JISX0213.2000-1")
 405           (nil . "JISX0213.2000-2")
 406           (nil . "JISX0213.2004-1")
 407           ,(font-spec :registry "iso10646-1" :lang 'ja)
 408           ,(font-spec :registry "iso10646-1" :lang 'zh))
 409
 410      (cjk-misc (nil . "GB2312.1980-0")
 411                (nil . "JISX0208*")
 412                (nil . "JISX0212*")
 413                (nil . "big5*")
 414                (nil . "KSC5601.1987*")
 415                (nil . "CNS11643.1992-1")
 416                (nil . "CNS11643.1992-2")
 417                (nil . "CNS11643.1992-3")
 418                (nil . "CNS11643.1992-4")
 419                (nil . "CNS11643.1992-5")
 420                (nil . "CNS11643.1992-6")
 421                (nil . "CNS11643.1992-7")
 422                (nil . "gbk-0")
 423                (nil . "gb18030")
 424                (nil . "JISX0213.2000-1")
 425                (nil . "JISX0213.2000-2")
 426                ,(font-spec :registry "iso10646-1" :lang 'ja)
 427                ,(font-spec :registry "iso10646-1" :lang 'zh))
 428
 429      (hangul (nil . "KSC5601.1987-0")
 430              ,(font-spec :registry "iso10646-1" :lang 'ko))
 431
 432      (braille ,(font-spec :registry "iso10646-1" :script 'braille))
 433
 434      (mathematical ,(font-spec :registry "iso10646-1" :script 'mathematical))
 435
 436      ;; for each charset
 437      (ascii (nil . "ISO8859-1"))
 438      (arabic-digit ("*" . "MuleArabic-0"))
 439      (arabic-1-column ("*" . "MuleArabic-1"))
 440      (arabic-2-column ("*" . "MuleArabic-2"))
 441      (indian-is13194 (nil . "is13194-devanagari"))
 442      (indian-1-column ("*" . "muleindian-2"))
 443      ;; Indian CDAC
 444      (devanagari-cdac (nil . "Devanagari-CDAC"))
 445      (sanskrit-cdac (nil . "Sanskrit-CDAC"))
 446      (bengali-cdac (nil . "Bengali-CDAC"))
 447      (assamese-cdac (nil . "Assamese-CDAC"))
 448      (punjabi-cdac (nil . "Punjabi-CDAC"))
 449      (gujarati-cdac (nil . "Gujarati-CDAC"))
 450      (oriya-cdac (nil . "Oriya-CDAC"))
 451      (tamil-cdac (nil . "Tamil-CDAC"))
 452      (telugu-cdac (nil . "Telugu-CDAC"))
 453      (kannada-cdac (nil . "Kannada-CDAC"))
 454      (malayalam-cdac (nil . "Malayalam-CDAC"))
 455      ;; Indian AKRUTI
 456      (devanagari-akruti (nil . "Devanagari-Akruti"))
 457      (bengali-akruti (nil . "Bengali-Akruti"))
 458      (punjabi-akruti (nil . "Punjabi-Akruti"))
 459      (gujarati-akruti (nil . "Gujarati-Akruti"))
 460      (oriya-akruti (nil . "Oriya-Akruti"))
 461      (tamil-akruti (nil . "Tamil-Akruti"))
 462      (telugu-akruti (nil . "Telugu-Akruti"))
 463      (kannada-akruti (nil . "Kannada-Akruti"))
 464      (malayalam-akruti (nil . "Malayalam-Akruti"))
 465      ;;(devanagari-glyph ("altsys-dv_ttsurekh" . "devanagari-cdac"))
 466      ;;(malayalam-glyph ("altsys-ml_ttkarthika" . "malayalam-cdac"))
 467      (ipa ,(font-spec :registry "iso10646-1" :script 'phonetic)
 468           (nil . "MuleIPA-1")
 469           (nil . "iso10646-1"))
 470
 471      ;; Fallback fonts
 472      (nil (nil . "gb2312.1980")
 473           (nil . "gbk-0")
 474           (nil . "gb18030")
 475           (nil . "jisx0208")
 476           (nil . "ksc5601.1987")
 477           (nil . "CNS11643.1992-1")
 478           (nil . "CNS11643.1992-2")
 479           (nil . "CNS11643.1992-3")
 480           (nil . "CNS11643.1992-4")
 481           (nil . "CNS11643.1992-5")
 482           (nil . "CNS11643.1992-6")
 483           (nil . "CNS11643.1992-7")
 484           (nil . "big5")
 485           (nil . "jisx0213.2000-1")
 486           (nil . "jisx0213.2004-1")
 487           (nil . "jisx0212"))
 488      ))
 489
 490   ;; Append Unicode fonts.
 491   ;; This may find fonts with more variants (bold, italic) but which
 492   ;; don't cover many characters.
 493   (set-fontset-font "fontset-default" nil
 494                     '(nil . "iso10646-1") nil 'prepend)
 495   ;; These may find fonts that cover many characters but with fewer
 496   ;; variants.
 497   (set-fontset-font "fontset-default" nil
 498                     '("gnu-unifont" . "iso10646-1") nil 'prepend)
 499   (set-fontset-font "fontset-default" nil
 500                     '("mutt-clearlyu" . "iso10646-1") nil 'prepend)
 501
 502   (set-fontset-font "fontset-default" '(#xE000 . #xF8FF) nil))
 503
 504 ;; These are the registered registries/encodings from
 505 ;; ftp://ftp.x.org/pub/DOCS/registry 2001/06/01
 506
 507 ;; Name                                            Reference
 508 ;; ----                                            ---------
 509 ;; "DEC"                                           [27]
 510 ;;         registry prefix
 511 ;; "DEC.CNS11643.1986-2"                           [53]
 512 ;;         CNS11643 2-plane using the encoding
 513 ;;         suggested in that standard
 514 ;; "DEC.DTSCS.1990-2"                              [54]
 515 ;;         DEC Taiwan Supplemental Character Set
 516 ;; "fujitsu.u90x01.1991-0"                         [87]
 517 ;; "fujitsu.u90x03.1991-0"                         [87]
 518 ;; "GB2312.1980-0"                                 [39],[12]
 519 ;;         China (PRC) Hanzi, GL encoding
 520 ;; "GB2312.1980-1"                                 [39]
 521 ;;         (deprecated)
 522 ;;         China (PRC) Hanzi, GR encoding
 523 ;; "HP-Arabic8"                                    [36]
 524 ;;         HPARABIC8 8-bit character set
 525 ;; "HP-East8"                                      [36]
 526 ;;         HPEAST8 8-bit character set
 527 ;; "HP-Greek8"                                     [36]
 528 ;;         HPGREEK8 8-bit character set
 529 ;; "HP-Hebrew8"                                    [36]
 530 ;;         HPHEBREW8 8-bit character set
 531 ;; "HP-Japanese15"                                 [36]
 532 ;;         HPJAPAN15 15-bit characer set,
 533 ;;         modified from industry defacto
 534 ;;         standard Shift-JIS
 535 ;; "HP-Kana8"                                      [36]
 536 ;;         HPKANA8 8-bit character set
 537 ;; "HP-Korean15"                                   [36]
 538 ;;         HPKOREAN15 15-bit character set
 539 ;; "HP-Roman8"                                     [36]
 540 ;;         HPROMAN8 8-bit character set
 541 ;; "HP-SChinese15"                                 [36]
 542 ;;         HPSCHINA15 15-bit character set for
 543 ;;         support of Simplified Chinese
 544 ;; "HP-TChinese15"                                 [36]
 545 ;;         HPTCHINA15 15-bit character set for
 546 ;;         support of Traditional Chinese
 547 ;; "HP-Turkish8"                                   [36]
 548 ;;         HPTURKISH8 8-bit character set
 549 ;; "IPSYS"                                         [59]
 550 ;;         registry prefix
 551 ;; "IPSYS.IE-1"                                    [59]
 552 ;; "ISO2022"<REG>"-"<ENC>                          [44]
 553 ;; "ISO646.1991-IRV"                               [107]
 554 ;;         ISO 646 International Reference Version
 555 ;; "ISO8859-1"                                     [15],[12]
 556 ;;         ISO Latin alphabet No. 1
 557 ;; "ISO8859-2"                                     [15],[12]
 558 ;;         ISO Latin alphabet No. 2
 559 ;; "ISO8859-3"                                     [15],[12]
 560 ;;         ISO Latin alphabet No. 3
 561 ;; "ISO8859-4"                                     [15],[12]
 562 ;;         ISO Latin alphabet No. 4
 563 ;; "ISO8859-5"                                     [15],[12]
 564 ;;         ISO Latin/Cyrillic alphabet
 565 ;; "ISO8859-6"                                     [15],[12]
 566 ;;         ISO Latin/Arabic alphabet
 567 ;; "ISO8859-7"                                     [15],[12]
 568 ;;         ISO Latin/Greek alphabet
 569 ;; "ISO8859-8"                                     [15],[12]
 570 ;;         ISO Latin/Hebrew alphabet
 571 ;; "ISO8859-9"                                     [15],[12]
 572 ;;         ISO Latin alphabet No. 5
 573 ;; "ISO8859-10"                                    [15],[12]
 574 ;;         ISO Latin alphabet No. 6
 575 ;; "ISO8859-13"                                    [15],[12]
 576 ;;         ISO Latin alphabet No. 7
 577 ;; "ISO8859-14"                                    [15],[12]
 578 ;;         ISO Latin alphabet No. 8
 579 ;; "ISO8859-15"                                    [15],[12]
 580 ;;         ISO Latin alphabet No. 9
 581 ;; "FCD8859-15"                                    [7]
 582 ;;         (deprecated)
 583 ;;         ISO Latin alphabet No. 9, Final Committee Draft
 584 ;; "ISO10646-1"                                    [133]
 585 ;;         Unicode Universal Multiple-Octet Coded Character Set
 586 ;; "ISO10646-MES"                                  [133]
 587 ;;         (deprecated)
 588 ;;         Unicode Minimum European Subset
 589 ;; "JISX0201.1976-0"                               [38],[12]
 590 ;;         8-Bit Alphanumeric-Katakana Code
 591 ;; "JISX0208.1983-0"                               [40],[12]
 592 ;;         Japanese Graphic Character Set,
 593 ;;         GL encoding
 594 ;; "JISX0208.1990-0"                               [71]
 595 ;;         Japanese Graphic Character Set,
 596 ;;         GL encoding
 597 ;; "JISX0208.1983-1"                               [40]
 598 ;;         (deprecated)
 599 ;;         Japanese Graphic Character Set,
 600 ;;         GR encoding
 601 ;; "JISX0212.1990-0"                               [72]
 602 ;;         Supplementary Japanese Graphic Character Set,
 603 ;;         GL encoding
 604 ;; "KOI8-R"                                        [119]
 605 ;;         Cyrillic alphabet
 606 ;; "KSC5601.1987-0"                                [41],[12]
 607 ;;         Korean Graphic Character Set,
 608 ;;         GL encoding
 609 ;; "KSC5601.1987-1"                                [41]
 610 ;;         (deprecated)
 611 ;;         Korean Graphic Character Set,
 612 ;;         GR encoding
 613 ;; "omron_CNS11643-0"                              [45]
 614 ;; "omron_CNS11643-1"                              [45]
 615 ;; "omron_BIG5-0"                                  [45]
 616 ;; "omron_BIG5-1"                                  [45]
 617 ;; "wn.tamil.1993"                                 [103]
 618
 619 (defun set-font-encoding (pattern charset)
 620   "Set arguments in `font-encoding-alist' (which see)."
 621   (let ((slot (assoc pattern font-encoding-alist)))
 622     (if slot
 623         (setcdr slot charset)
 624       (setq font-encoding-alist
 625             (cons (cons pattern charset) font-encoding-alist)))))
 626
 627 (defvar x-pixel-size-width-font-regexp)
 628 (defvar vertical-centering-font-regexp)
 629
 630 ;; Setting for suppressing XLoadQueryFont on big fonts.
 631 (setq x-pixel-size-width-font-regexp
 632       "gb2312\\|gbk\\|gb18030\\|jisx0208\\|ksc5601\\|cns11643\\|big5")
 633
 634 ;; These fonts require vertical centering.
 635 (setq vertical-centering-font-regexp
 636       "gb2312\\|gbk\\|gb18030\\|jisx0208\\|jisx0212\\|ksc5601\\|cns11643\\|big5")
 637
 638 ;; CDAC fonts are actually smaller than their design sizes.
 639 (setq face-font-rescale-alist
 640       '(("-cdac$" . 1.3)))
 641
 642 (defvar x-font-name-charset-alist nil
 643   "This variable has no meaning now.  Just kept for backward compatibility.")
 644
 645 ;;; XLFD (X Logical Font Description) format handler.
 646
 647 ;; Define XLFD's field index numbers.           ; field name
 648 (defconst xlfd-regexp-family-subnum 0)          ; FOUNDRY and FAMILY
 649 (defconst xlfd-regexp-weight-subnum 1)          ; WEIGHT_NAME
 650 (defconst xlfd-regexp-slant-subnum 2)           ; SLANT
 651 (defconst xlfd-regexp-swidth-subnum 3)          ; SETWIDTH_NAME
 652 (defconst xlfd-regexp-adstyle-subnum 4)         ; ADD_STYLE_NAME
 653 (defconst xlfd-regexp-pixelsize-subnum 5)       ; PIXEL_SIZE
 654 (defconst xlfd-regexp-pointsize-subnum 6)       ; POINT_SIZE
 655 (defconst xlfd-regexp-resx-subnum 7)            ; RESOLUTION_X
 656 (defconst xlfd-regexp-resy-subnum 8)            ; RESOLUTION_Y
 657 (defconst xlfd-regexp-spacing-subnum 8)         ; SPACING
 658 (defconst xlfd-regexp-avgwidth-subnum 10)       ; AVERAGE_WIDTH
 659 (defconst xlfd-regexp-registry-subnum 11)       ; REGISTRY and ENCODING
 660
 661 ;; Regular expression matching against a fontname which conforms to
 662 ;; XLFD (X Logical Font Description).  All fields in XLFD should be
 663 ;; not be omitted (but can be a wild card) to be matched.
 664 (defconst xlfd-tight-regexp
 665   "^\
 666 -\\([^-]*-[^-]*\\)-\\([^-]*\\)-\\([^-]*\\)-\\([^-]*\\)\
 667 -\\([^-]*\\)-\\([^-]*\\)-\\([^-]*\\)-\\([^-]*\\)-\\([^-]*\\)\
 668 -\\([^-]*\\)-\\([^-]*\\)-\\([^-]*-[^-]*\\)$")
 669
 670 ;; Regular expression matching against a fontname which conforms to
 671 ;; XLFD (X Logical Font Description).  All fields in XLFD from FOUNDRY
 672 ;; to ADSTYLE, REGISTRY, and ENCODING should be not be omitted (but
 673 ;; can be a wild card) to be matched.
 674 (defconst xlfd-style-regexp
 675   "^\
 676 -\\([^-]*-[^-]*\\)-\\([^-]*\\)-\\([^-]*\\)-\\([^-]*\\)-\\([^-]*\\)-.*\
 677 -\\([^-]*-[^-]*\\)$")
 678
 679 ;; List of field numbers of XLFD whose values are numeric.
 680 (defconst xlfd-regexp-numeric-subnums
 681   (list xlfd-regexp-pixelsize-subnum    ;5
 682         xlfd-regexp-pointsize-subnum    ;6
 683         xlfd-regexp-resx-subnum         ;7
 684         xlfd-regexp-resy-subnum         ;8
 685         xlfd-regexp-avgwidth-subnum     ;10
 686         ))
 687
 688 (defun x-decompose-font-name (pattern)
 689   "Decompose PATTERN into XLFD fields and return a vector of the fields.
 690 The length of the vector is 12.
 691 The FOUNDRY and FAMILY fields are concatinated and stored in the first
 692 element of the vector.
 693 The REGISTRY and ENCODING fields are concatinated and stored in the last
 694 element of the vector.
 695
 696 Return nil if PATTERN doesn't conform to XLFD."
 697   (if (string-match xlfd-tight-regexp pattern)
 698       (let ((xlfd-fields (make-vector 12 nil)))
 699         (dotimes (i 12)
 700           (aset xlfd-fields i (match-string (1+ i) pattern)))
 701         (dotimes (i 12)
 702           (if (string-match "^[*-]+$" (aref xlfd-fields i))
 703               (aset xlfd-fields i nil)))
 704         xlfd-fields)))
 705
 706 (defun x-compose-font-name (fields &optional reduce)
 707   "Compose X fontname from FIELDS.
 708 FIELDS is a vector of XLFD fields, of length 12.
 709 If a field is nil, wild-card letter `*' is embedded.
 710 Optional argument REDUCE exists just for backward compatibility,
 711 and is always ignored."
 712   (concat "-" (mapconcat (lambda (x) (or x "*")) fields "-")))
 713
 714
 715 (defun x-must-resolve-font-name (xlfd-fields)
 716   "Like `x-resolve-font-name', but always return a font name.
 717 XLFD-FIELDS is a vector of XLFD (X Logical Font Description) fields.
 718 If no font matching XLFD-FIELDS is available, successively replace
 719 parts of the font name pattern with \"*\" until some font is found.
 720 Value is name of that font."
 721   (let ((ascii-font nil) (index 0))
 722     (while (and (null ascii-font) (<= index xlfd-regexp-registry-subnum))
 723       (let ((pattern (x-compose-font-name xlfd-fields)))
 724         (condition-case nil
 725             (setq ascii-font (x-resolve-font-name pattern))
 726           (error
 727            (message "Warning: no fonts matching `%s' available" pattern)
 728            (aset xlfd-fields index "*")
 729            (setq index (1+ index))))))
 730     (unless ascii-font
 731       (error "No fonts found"))
 732     ascii-font))
 733
 734
 735 (defun x-complement-fontset-spec (default-spec fontlist)
 736   "Complement elements of FONTLIST based on DEFAULT-SPEC.
 737 DEFAULT-SPEC is a font-spec object providing default font properties.
 738 FONTLIST is an alist of script names vs the corresponding font names.
 739
 740 The font names are parsed and unspecified font properties are
 741 given from DEFAULT-SPEC."
 742   (let ((prop-list '(:foundry :family :weight :slant :width :adstyle :size)))
 743     (dolist (elt fontlist)
 744       (let ((spec (font-spec :name (cadr elt))))
 745         (dolist (prop prop-list)
 746           (let ((val (font-get spec prop)))
 747             (or val
 748                 (font-put spec prop (font-get default-spec prop)))))
 749         (setcar (cdr elt) spec)))
 750     fontlist))
 751
 752 (defun fontset-name-p (fontset)
 753   "Return non-nil if FONTSET is valid as fontset name.
 754 A valid fontset name should conform to XLFD (X Logical Font Description)
 755 with \"fontset\" in `<CHARSET_REGISTRY>' field."
 756   (and (string-match xlfd-tight-regexp fontset)
 757        (string= (match-string (1+ xlfd-regexp-registry-subnum) fontset)
 758                 "fontset")))
 759
 760 (declare-function fontset-list "fontset.c" ())
 761
 762 (defun generate-fontset-menu ()
 763   "Return list to be appended to `x-fixed-font-alist'.
 764 Done when `mouse-set-font' is called."
 765   (let (l)
 766     (dolist (fontset (fontset-list))
 767       (or (string-match "fontset-default$" fontset)
 768           (string-match "fontset-auto[0-9]+$" fontset)
 769           (push (list (fontset-plain-name fontset) fontset) l)))
 770     (cons "Fontset"
 771           (sort l #'(lambda (x y) (string< (car x) (car y)))))))
 772
 773 (declare-function query-fontset "fontset.c" (pattern &optional regexpp))
 774
 775 (defun fontset-plain-name (fontset)
 776   "Return a plain and descriptive name of FONTSET."
 777   (if (not (setq fontset (query-fontset fontset)))
 778       (error "Invalid fontset: %s" fontset))
 779   (let ((xlfd-fields (x-decompose-font-name fontset)))
 780     (if xlfd-fields
 781         (let ((family (aref xlfd-fields xlfd-regexp-family-subnum))
 782               (weight (aref xlfd-fields xlfd-regexp-weight-subnum))
 783               (slant  (aref xlfd-fields xlfd-regexp-slant-subnum))
 784               (swidth (aref xlfd-fields xlfd-regexp-swidth-subnum))
 785               (size   (aref xlfd-fields xlfd-regexp-pixelsize-subnum))
 786               (nickname (aref xlfd-fields xlfd-regexp-registry-subnum))
 787               name)
 788           (if (not (string-match "^fontset-\\(.*\\)$" nickname))
 789               (setq nickname family)
 790             (setq nickname (match-string 1 nickname)))
 791           (if (and size (> (string-to-number size) 0))
 792               (setq name (format "%s: %s-dot" nickname size))
 793             (setq name nickname))
 794           (and weight
 795                (cond ((string-match "^medium$" weight)
 796                       (setq name (concat name " " "medium")))
 797                      ((string-match "^bold$\\|^demibold$" weight)
 798                       (setq name (concat name " " weight)))))
 799           (and slant
 800                (cond ((string-match "^i$" slant)
 801                       (setq name (concat name " " "italic")))
 802                      ((string-match "^o$" slant)
 803                       (setq name (concat name " " "slant")))
 804                      ((string-match "^ri$" slant)
 805                       (setq name (concat name " " "reverse italic")))
 806                      ((string-match "^ro$" slant)
 807                       (setq name (concat name " " "reverse slant")))))
 808           name)
 809       fontset)))
 810
 811 (defvar charset-script-alist
 812   '((ascii . latin)
 813     (latin-iso8859-1 . latin)
 814     (latin-iso8859-2 . latin)
 815     (latin-iso8859-3 . latin)
 816     (latin-iso8859-4 . latin)
 817     (latin-iso8859-9 . latin)
 818     (latin-iso8859-10 . latin)
 819     (latin-iso8859-13 . latin)
 820     (latin-iso8859-14 . latin)
 821     (latin-iso8859-15 . latin)
 822     (latin-iso8859-16 . latin)
 823     (latin-jisx0201 . latin)
 824     (thai-tis620 . thai)
 825     (cyrillic-iso8859-5 . cyrillic)
 826     (arabic-iso8859-6 . arabic)
 827     (greek-iso8859-7 . latin)
 828     (hebrew-iso8859-8 . latin)
 829     (katakana-jisx0201 . kana)
 830     (chinese-gb2312 . han)
 831     (chinese-gbk . han)
 832     (gb18030-2-byte . han)
 833     (gb18030-4-byte-bmp . han)
 834     (gb18030-4-byte-ext-1 . han)
 835     (gb18030-4-byte-ext-2 . han)
 836     (gb18030-4-byte-smp . han)
 837     (chinese-big5-1 . han)
 838     (chinese-big5-2 . han)
 839     (chinese-cns11643-1 . han)
 840     (chinese-cns11643-2 . han)
 841     (chinese-cns11643-3 . han)
 842     (chinese-cns11643-4 . han)
 843     (chinese-cns11643-5 . han)
 844     (chinese-cns11643-6 . han)
 845     (chinese-cns11643-7 . han)
 846     (japanese-jisx0208 . han)
 847     (japanese-jisx0208-1978 . han)
 848     (japanese-jisx0212 . han)
 849     (japanese-jisx0213-1 . han)
 850     (japanese-jisx0213-2 . han)
 851     (korean-ksc5601 . hangul)
 852     (chinese-sisheng . bopomofo)
 853     (vietnamese-viscii-lower . latin)
 854     (vietnamese-viscii-upper . latin)
 855     (arabic-digit . arabic)
 856     (arabic-1-column . arabic)
 857     (arabic-2-column . arabic)
 858     (indian-is13194 . devanagari)
 859     (indian-glyph . devanagari)
 860     (indian-1-column . devanagari)
 861     (indian-2-column . devanagari)
 862     (tibetan-1-column . tibetan))
 863   "Alist of charsets vs the corresponding most appropriate scripts.
 864
 865 This alist is used by the function `create-fontset-from-fontset-spec'
 866 to map charsets to scripts.")
 867
 868 (defun create-fontset-from-fontset-spec (fontset-spec
 869                                          &optional style-variant noerror)
 870   "Create a fontset from fontset specification string FONTSET-SPEC.
 871 FONTSET-SPEC is a string of the format:
 872         FONTSET-NAME,SCRIPT0:FONT0,SCRIPT1:FONT1, ...
 873 Any number of SPACE, TAB, and NEWLINE can be put before and after commas.
 874
 875 When a frame uses the fontset as the `font' parameter, the frame's
 876 default font name is derived from FONTSET-NAME by substituting
 877 \"iso8859-1\" for the tail part \"fontset-XXX\".  But, if SCRIPT-NAMEn
 878 is \"ascii\", use the corresponding FONT-NAMEn as the default font
 879 name.
 880
 881 Optional 2nd and 3rd arguments exist just for backward compatibility,
 882 and are ignored.
 883
 884 It returns a name of the created fontset.
 885
 886 For backward compatibility, SCRIPT-NAME may be a charset name, in
 887 which case, the corresponding script is decided by the variable
 888 `charset-script-alist' (which see)."
 889   (or (string-match "^[^,]+" fontset-spec)
 890       (error "Invalid fontset spec: %s" fontset-spec))
 891   (let ((idx (match-end 0))
 892         (name (match-string 0 fontset-spec))
 893         default-spec target script fontlist)
 894     (or (string-match xlfd-tight-regexp name)
 895         (error "Fontset name \"%s\" not conforming to XLFD" name))
 896     (setq default-spec (font-spec :name name))
 897     ;; At first, extract pairs of charset and fontname from FONTSET-SPEC.
 898     (while (string-match "[, \t\n]*\\([^:]+\\):[ \t]*\\([^,]+\\)"
 899                          fontset-spec idx)
 900       (setq idx (match-end 0))
 901       (setq target (intern (match-string 1 fontset-spec)))
 902       (cond ((or (eq target 'ascii)
 903                  (memq target (char-table-extra-slot char-script-table 0)))
 904              (push (list target (match-string 2 fontset-spec)) fontlist))
 905             ((setq script (cdr (assq target charset-script-alist)))
 906              (push (list script (match-string 2 fontset-spec)) fontlist))
 907             ((charsetp target)
 908              (push (list target (match-string 2 fontset-spec)) fontlist))))
 909
 910     ;; Complement FONTLIST.
 911     (setq fontlist (x-complement-fontset-spec default-spec fontlist))
 912
 913     ;; Create a fontset.
 914     (new-fontset name (nreverse fontlist))))
 915
 916 (defun create-fontset-from-ascii-font (font &optional resolved-font
 917                                             fontset-name)
 918   "Create a fontset from an ASCII font FONT.
 919
 920 Optional 2nd arg RESOLVED-FONT is a resolved name of FONT.
 921 If omitted, `x-resolve-font-name' is called to get the resolved name.
 922 At this time, if FONT is not available, an error is signaled.
 923
 924 Optional 3rd arg FONTSET-NAME is a string to be used in
 925 `<CHARSET_ENCODING>' fields of a new fontset name.  If it is omitted,
 926 an appropriate name is generated automatically.
 927
 928 It returns a name of the created fontset."
 929   (setq font (downcase font))
 930   (setq resolved-font
 931         (downcase (or resolved-font (x-resolve-font-name font))))
 932   (let ((xlfd (x-decompose-font-name resolved-font))
 933         fontset)
 934     (if fontset-name
 935         (setq fontset-name (downcase fontset-name))
 936       (if (query-fontset "fontset-startup")
 937           (setq fontset-name
 938                 (subst-char-in-string
 939                  ?- ?_ (aref xlfd xlfd-regexp-registry-subnum) t))
 940         (setq fontset-name "startup")))
 941     (aset xlfd xlfd-regexp-registry-subnum
 942           (format "fontset-%s" fontset-name))
 943     (setq fontset (x-compose-font-name xlfd))
 944     (or (query-fontset fontset)
 945         (create-fontset-from-fontset-spec (concat fontset ", ascii:" font)))))
 946
 947 \f
 948 ;; Create standard fontset from 16 dots fonts which are the most widely
 949 ;; installed fonts.  Fonts for Chinese-GB, Korean, and Chinese-CNS are
 950 ;; specified here because FAMILY of those fonts are not "fixed" in
 951 ;; many cases.
 952 (defvar standard-fontset-spec
 953   (purecopy "-*-fixed-medium-r-normal-*-16-*-*-*-*-*-fontset-standard")
 954   "String of fontset spec of the standard fontset.
 955 You have the biggest chance to display international characters
 956 with correct glyphs by using the standard fontset.
 957 See the documentation of `create-fontset-from-fontset-spec' for the format.")
 958
 959
 960 ;; Create fontsets from X resources of the name `fontset-N (class
 961 ;; Fontset-N)' where N is integer 0, 1, ...
 962 ;; The values of the resources the string of the same format as
 963 ;; `standard-fontset-spec'.
 964
 965 (declare-function x-get-resource "frame.c"
 966                   (attribute class &optional component subclass))
 967
 968 (defun create-fontset-from-x-resource ()
 969   (let ((idx 0)
 970         fontset-spec)
 971     (while (setq fontset-spec (x-get-resource (format "fontset-%d" idx)
 972                                               (format "Fontset-%d" idx)))
 973       (condition-case nil
 974           (create-fontset-from-fontset-spec fontset-spec t 'noerror)
 975         (error (message "Fontset-%d: invalid specification in X resource" idx)))
 976       (setq idx (1+ idx)))))
 977
 978 ;;
 979 (provide 'fontset)
 980
 981 ;; arch-tag: bb53e629-0234-403c-950e-551e61554849
 982 ;;; fontset.el ends here