code.delx.au - gnu-emacs/blob - 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  Free Software Foundation, Inc.
   5 ;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
   6 ;;   2005, 2006, 2007
   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, or (at your option)
  20 ;; 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; see the file COPYING.  If not, write to the
  29 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  30 ;; Boston, MA 02110-1301, USA.
  31
  32 ;;; Commentary:
  33
  34 ;;; Code:
  35
  36 ;; Setup font-encoding-alist for all known encodings.
  37
  38 (setq font-encoding-alist
  39       '(("iso8859-1$" . iso-8859-1)
  40         ("iso8859-2$" . iso-8859-2)
  41         ("iso8859-3$" . iso-8859-3)
  42         ("iso8859-4$" . iso-8859-4)
  43         ("iso8859-5$" . iso-8859-5)
  44         ("iso8859-6$" . iso-8859-6)
  45         ("iso8859-7$" . iso-8859-7)
  46         ("iso8859-8$" . iso-8859-8)
  47         ("iso8859-9$" . iso-8859-9)
  48         ("iso8859-10$" . iso-8859-10)
  49         ("iso8859-11$" . iso-8859-11)
  50         ("iso8859-13$" . iso-8859-13)
  51         ("iso8859-14$" . iso-8859-14)
  52         ("iso8859-15$" . iso-8859-15)
  53         ("gb2312.1980" . chinese-gb2312)
  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 (setq font-encoding-charset-alist
 121       '((latin-iso8859-1 . iso-8859-1)
 122         (latin-iso8859-2 . iso-8859-2)
 123         (latin-iso8859-3 . iso-8859-3)
 124         (latin-iso8859-4 . iso-8859-4)
 125         (latin-iso8859-9 . iso-8859-9)
 126         (latin-iso8859-10 . iso-8859-10)
 127         (latin-iso8859-13 . iso-8859-13)
 128         (latin-iso8859-14 . iso-8859-14)
 129         (latin-iso8859-15 . iso-8859-15)
 130         (latin-iso8859-16 . iso-8859-16)
 131         (cyrillic-iso8859-5 . iso-8859-5)
 132         (greek-iso8859-7 . iso-8859-7)
 133         (arabic-iso8859-6 . iso-8859-6)
 134         (thai-tis620 . tis620-2533)
 135         (latin-jisx0201 . jisx0201)
 136         (katakana-jisx0201 . jisx0201)
 137         (chinese-big5-1 . big5)
 138         (chinese-big5-2 . big5)
 139         (vietnamese-viscii-lower . viscii)
 140         (vietnamese-viscii-upper . viscii)
 141         (tibetan . unicode-bmp)))
 142
 143 (setq script-representative-chars
 144       '((latin ?A ?Z ?a ?z)
 145         (greek #x3A9)
 146         (coptic #x3E2)
 147         (cyrillic #x42F)
 148         (armenian #x531)
 149         (hebrew #x5D0)
 150         (arabic #x628)
 151         (syriac #x710)
 152         (thaana #x78C)
 153         (devanagari #x915)
 154         (bengali #x995)
 155         (gurmukhi #xA15)
 156         (gujarati #xA95)
 157         (oriya #xB15)
 158         (tamil #xB95)
 159         (telugu #xC15)
 160         (kannada #xC95)
 161         (malayalam #xD15)
 162         (sinhala #xD95)
 163         (thai #xE17)
 164         (lao #xEA5)
 165         (tibetan #xF40)
 166         (myanmar #x1000)
 167         (georgian #x10D3)
 168         (ethiopic #x1208)
 169         (cherokee #x13B6)
 170         (canadian-aboriginal #x14C0)
 171         (ogham #x168F)
 172         (runic #x16A0)
 173         (khmer #x1780)
 174         (mongolian #x1826)
 175         (braille #x2800)
 176         (ideographic-description #x2FF0)
 177         (cjk-misc #x300E)
 178         (kana #x304B)
 179         (bopomofo #x3105)
 180         (kanbun #x319D)
 181         (han #x5B57)
 182         (yi #xA288)
 183         (hangul #xAC00)))
 184
 185 (setq otf-script-alist
 186       '((arab . arabic)
 187         (armn . armenian)
 188         (bali . balinese)
 189         (beng . bengali)
 190         (bopo . bopomofo)
 191         (brai . braille)
 192         (bugi . buginese)
 193         (buhd . buhid)
 194         (byzm . byzantine-musical-symbol)
 195         (cans . canadian-aboriginal)
 196         (cher . cherokee)
 197         (copt . coptic)
 198         (xsux . cuneiform)
 199         (cyrl . cyrillic)
 200         (cprt . cypriot)
 201         (dsrt . deseret)
 202         (deva . devanagari)
 203         (ethi . ethiopic)
 204         (geor . georgian)
 205         (glag . glagolitic)
 206         (goth . gothic)
 207         (grek . greek)
 208         (gujr . gujarati)
 209         (guru . gurmukhi)
 210         (hani . han)
 211         (hang . hangul)
 212         (hano . hanunoo)
 213         (hebr . hebrew)
 214         (kana . kana)
 215         (knda . kannada)
 216         (khar . kharoshthi)
 217         (khmr . khmer)
 218         (lao\  . lao)
 219         (latn . latin)
 220         (limb . limbu)
 221         (linb . linear_b)
 222         (mlym . malayalam)
 223         (math . mathematical)
 224         (mong . mongolian)
 225         (musc . musical-symbol)
 226         (mymr . myanmar)
 227         (nko\  . nko)
 228         (ogam . ogham)
 229         (ital . old_italic)
 230         (xpeo . old_persian)
 231         (orya . oriya)
 232         (osma . osmanya)
 233         (phag . phags-pa)
 234         (phnx . phoenician)
 235         (runr . runic)
 236         (shaw . shavian)
 237         (sinh . sinhala)
 238         (sylo . syloti_nagri)
 239         (syrc . syriac)
 240         (tglg . tagalog)
 241         (tagb . tagbanwa)
 242         (taml . tamil)
 243         (tale . tai_le)
 244         (telu . telugu)
 245         (thaa . thaana)
 246         (thai . thai)
 247         (tibt . tibetan)
 248         (tfng . tifinagh)
 249         (ugar . ugaritic)
 250         (yi\ \   . yi)))
 251
 252 ;; Set standard fontname specification of characters in the default
 253 ;; fontset to find an appropriate font for each script/charset.  The
 254 ;; specification has the form ((SCRIPT FONT-SPEC ...) ...), where
 255 ;; FONT-SPEC is:
 256 ;;      a cons (FAMILY . REGISTRY),
 257 ;;      or a string FONT-NAME,
 258 ;;      or an object created by `font-spec'.
 259 ;;
 260 ;; FAMILY may be nil, in which case, the the corresponding name of
 261 ;; default face is used.  If REGISTRY contains a character `-', the
 262 ;; string before that is embedded in `CHARSET_REGISTRY' field, and the
 263 ;; string after that is embedded in `CHARSET_ENCODING' field.  If it
 264 ;; does not contain `-', the whole string is embedded in
 265 ;; `CHARSET_REGISTRY' field, and a wild card character `*' is embedded
 266 ;; in `CHARSET_ENCODING' field.
 267 ;;
 268 ;; SCRIPT is a symbol that appears as an element of the char table
 269 ;; `char-script-table'.  SCRIPT may be a charset specifying the range
 270 ;; of characters.
 271
 272 (defun setup-default-fontset ()
 273   "Setup the default fontset."
 274   (new-fontset
 275    "fontset-default"
 276    `(;; for each script
 277      (latin (nil . "ISO8859-1")
 278             (nil . "ISO8859-2")
 279             (nil . "ISO8859-3")
 280             (nil . "ISO8859-4")
 281             (nil . "ISO8859-9")
 282             (nil . "ISO8859-10")
 283             (nil . "ISO8859-13")
 284             (nil . "ISO8859-14")
 285             (nil . "ISO8859-15")
 286             (nil . "VISCII1.1-1"))
 287
 288      (thai  ,(font-spec :registry "iso10646-1" :otf '(thai nil nil (mark)))
 289             (nil . "TIS620*")
 290             (nil . "ISO8859-11"))
 291
 292      (devanagari ,(font-spec :registry "iso10646-1" :otf '(deva nil (rphf)))
 293                  (nil . "iso10646.indian-1"))
 294      (bengali ,(font-spec :registry "iso10646-1" :otf '(beng nil (rphf))))
 295      (gurmukhi ,(font-spec :registry "iso10646-1" :otf '(guru nil (blwf))))
 296      (gujarati ,(font-spec :registry "iso10646-1" :otf '(gujr nil (rphf))))
 297      (oriya ,(font-spec :registry "iso10646-1" :otf '(orya nil (rphf))))
 298      (tamil ,(font-spec :registry "iso10646-1" :otf '(taml nil (akhn))))
 299      (telugu ,(font-spec :registry "iso10646-1" :otf '(telu nil (blwf))))
 300      (kannada ,(font-spec :registry "iso10646-1" :otf '(knda nil (rphf))))
 301      (sinhala ,(font-spec :registry "iso10646-1" :otf '(sinh nil (akhn))))
 302      (malayalam ,(font-spec :registry "iso10646-1" :otf '(mlym nil (akhn))))
 303
 304      (lao ,(font-spec :registry "iso10646-1" :otf '(lao\  nil nil (mark)))
 305           (nil . "MuleLao-1"))
 306
 307      (tai-viet ("TaiViet" . "iso10646-1"))
 308
 309      ;; both for script and charset.
 310      (tibetan ,(font-spec :registry "iso10646-1"
 311                           :otf '(tibt nil (ccmp blws abvs)))
 312               ,(font-spec :family "mtib" :registry "iso10646-1")
 313               (nil . "muletibetan-2"))
 314
 315      ;; both for script and charset.
 316      (ethiopic ,(font-spec :registry "iso10646-1" :script 'ethiopic)
 317                (nil . "ethiopic-unicode"))
 318
 319      (greek ,(font-spec :registry "iso10646-1" :script 'greek)
 320             (nil . "ISO8859-7"))
 321
 322      (cyrillic ,(font-spec :registry "iso10646-1" :script 'cyrillic)
 323                (nil . "ISO8859-5")
 324                (nil . "microsoft-cp1251")
 325                (nil . "koi8-r"))
 326
 327      (arabic ,(font-spec :registry "iso10646-1"
 328                          :otf '(arab (init medi fini liga)))
 329              (nil . "MuleArabic-0")
 330              (nil . "MuleArabic-1")
 331              (nil . "MuleArabic-2")
 332              (nil . "ISO8859-6"))
 333
 334      (hebrew ,(font-spec :registry "iso10646-1" :script 'hebrew)
 335              (nil . "ISO8859-8"))
 336
 337      (syriac ,(font-spec :registry "iso10646-1" :script 'syriac))
 338
 339      (thaana ,(font-spec :registry "iso10646-1" :otf '(thaa nil nil)))
 340
 341      (myanmar ,(font-spec :registry "iso10646-1" :script 'myanmar))
 342
 343      (georgian ,(font-spec :registry "iso10646-1" :script 'georgian))
 344
 345      (cherokee ,(font-spec :registry "iso10646-1" :script 'cherokee))
 346
 347      (canadian-aboriginal ,(font-spec :registry "iso10646-1"
 348                                       :script 'canadian-aboriginal))
 349
 350      (ogham ,(font-spec :registry "iso10646-1" :script 'ogham))
 351
 352      (runic ,(font-spec :registry "iso10646-1" :script 'runic))
 353
 354      (khmer ,(font-spec :registry "iso10646-1" :otf '(khmr nil (pres))))
 355
 356      (yi ,(font-spec :registry "iso10646-1" :script 'yi))
 357
 358      (kana ,(font-spec :registry "iso10646-1" :script 'kana)
 359            (nil . "JISX0208*")
 360            (nil . "GB2312.1980-0")
 361            (nil . "KSC5601.1987*")
 362            (nil . "JISX0201*")
 363            (nil . "JISX0213.2000-1")
 364            (nil . "JISX0213.2004-1"))
 365
 366      (bopomofo (nil . "sisheng_cwnn-0"))
 367
 368      (han ,(font-spec :registry "iso10646-1" :language 'ja)
 369           ,(font-spec :registry "iso10646-1" :language 'zh)
 370           (nil . "GB2312.1980-0")
 371           (nil . "JISX0208*")
 372           (nil . "JISX0212*")
 373           (nil . "big5*")
 374           (nil . "KSC5601.1987*")
 375           (nil . "CNS11643.1992-1")
 376           (nil . "CNS11643.1992-2")
 377           (nil . "CNS11643.1992-3")
 378           (nil . "CNS11643.1992-4")
 379           (nil . "CNS11643.1992-5")
 380           (nil . "CNS11643.1992-6")
 381           (nil . "CNS11643.1992-7")
 382           (nil . "gbk-0")
 383           (nil . "gb18030")
 384           (nil . "JISX0213.2000-1")
 385           (nil . "JISX0213.2000-2")
 386           (nil . "JISX0213.2004-1"))
 387
 388      (cjk-misc (nil . "GB2312.1980-0")
 389                (nil . "JISX0208*")
 390                (nil . "JISX0212*")
 391                (nil . "big5*")
 392                (nil . "KSC5601.1987*")
 393                (nil . "CNS11643.1992-1")
 394                (nil . "CNS11643.1992-2")
 395                (nil . "CNS11643.1992-3")
 396                (nil . "CNS11643.1992-4")
 397                (nil . "CNS11643.1992-5")
 398                (nil . "CNS11643.1992-6")
 399                (nil . "CNS11643.1992-7")
 400                (nil . "gbk-0")
 401                (nil . "gb18030")
 402                (nil . "JISX0213.2000-1")
 403                (nil . "JISX0213.2000-2"))
 404
 405      (hangul ,(font-spec :registry "iso10646-1" :language 'ko)
 406              (nil . "KSC5601.1987-0"))
 407
 408      ;; for each charset
 409      (ascii (nil . "ISO8859-1"))
 410      (arabic-digit ("*" . "MuleArabic-0"))
 411      (arabic-1-column ("*" . "MuleArabic-1"))
 412      (arabic-2-column ("*" . "MuleArabic-2"))
 413      (indian-is13194 (nil . "is13194-devanagari"))
 414      (indian-1-column ("*" . "muleindian-2"))
 415      ;; Indian CDAC
 416      (devanagari-cdac (nil . "Devanagari-CDAC"))
 417      (sanskrit-cdac (nil . "Sanskrit-CDAC"))
 418      (bengali-cdac (nil . "Bengali-CDAC"))
 419      (assamese-cdac (nil . "Assamese-CDAC"))
 420      (punjabi-cdac (nil . "Punjabi-CDAC"))
 421      (gujarati-cdac (nil . "Gujarati-CDAC"))
 422      (oriya-cdac (nil . "Oriya-CDAC"))
 423      (tamil-cdac (nil . "Tamil-CDAC"))
 424      (telugu-cdac (nil . "Telugu-CDAC"))
 425      (kannada-cdac (nil . "Kannada-CDAC"))
 426      (malayalam-cdac (nil . "Malayalam-CDAC"))
 427      ;; Indian AKRUTI
 428      (devanagari-akruti (nil . "Devanagari-Akruti"))
 429      (bengali-akruti (nil . "Bengali-Akruti"))
 430      (punjabi-akruti (nil . "Punjabi-Akruti"))
 431      (gujarati-akruti (nil . "Gujarati-Akruti"))
 432      (oriya-akruti (nil . "Oriya-Akruti"))
 433      (tamil-akruti (nil . "Tamil-Akruti"))
 434      (telugu-akruti (nil . "Telugu-Akruti"))
 435      (kannada-akruti (nil . "Kannada-Akruti"))
 436      (malayalam-akruti (nil . "Malayalam-Akruti"))
 437      ;;(devanagari-glyph ("altsys-dv_ttsurekh" . "devanagari-cdac"))
 438      ;;(malayalam-glyph ("altsys-ml_ttkarthika" . "malayalam-cdac"))
 439      (ipa (nil . "MuleIPA-1"))
 440
 441      ;; Fallback fonts
 442      (nil (nil . "gb2312.1980")
 443           (nil . "gbk-0")
 444           (nil . "gb18030")
 445           (nil . "jisx0208")
 446           (nil . "ksc5601.1987")
 447           (nil . "CNS11643.1992-1")
 448           (nil . "CNS11643.1992-2")
 449           (nil . "CNS11643.1992-3")
 450           (nil . "CNS11643.1992-4")
 451           (nil . "CNS11643.1992-5")
 452           (nil . "CNS11643.1992-6")
 453           (nil . "CNS11643.1992-7")
 454           (nil . "big5")
 455           (nil . "jisx0213.2000-1")
 456           (nil . "jisx0213.2004-1")
 457           (nil . "jisx0212"))
 458      ))
 459
 460   ;; Append Unicode fonts.
 461   ;; This may find fonts with more variants (bold, italic) but which
 462   ;; don't cover many characters.
 463   (set-fontset-font "fontset-default" nil
 464                     '(nil . "iso10646-1") nil 'append)
 465   ;; These may find fonts that cover many characters but with fewer
 466   ;; variants.
 467   (set-fontset-font "fontset-default" nil
 468                     '("gnu-unifont" . "iso10646-1") nil 'append)
 469   (set-fontset-font "fontset-default" nil
 470                     '("mutt-clearlyu" . "iso10646-1") nil 'append))
 471
 472 ;; These are the registered registries/encodings from
 473 ;; ftp://ftp.x.org/pub/DOCS/registry 2001/06/01
 474
 475 ;; Name                                            Reference
 476 ;; ----                                            ---------
 477 ;; "DEC"                                           [27]
 478 ;;         registry prefix
 479 ;; "DEC.CNS11643.1986-2"                           [53]
 480 ;;         CNS11643 2-plane using the encoding
 481 ;;         suggested in that standard
 482 ;; "DEC.DTSCS.1990-2"                              [54]
 483 ;;         DEC Taiwan Supplemental Character Set
 484 ;; "fujitsu.u90x01.1991-0"                         [87]
 485 ;; "fujitsu.u90x03.1991-0"                         [87]
 486 ;; "GB2312.1980-0"                                 [39],[12]
 487 ;;         China (PRC) Hanzi, GL encoding
 488 ;; "GB2312.1980-1"                                 [39]
 489 ;;         (deprecated)
 490 ;;         China (PRC) Hanzi, GR encoding
 491 ;; "HP-Arabic8"                                    [36]
 492 ;;         HPARABIC8 8-bit character set
 493 ;; "HP-East8"                                      [36]
 494 ;;         HPEAST8 8-bit character set
 495 ;; "HP-Greek8"                                     [36]
 496 ;;         HPGREEK8 8-bit character set
 497 ;; "HP-Hebrew8"                                    [36]
 498 ;;         HPHEBREW8 8-bit character set
 499 ;; "HP-Japanese15"                                 [36]
 500 ;;         HPJAPAN15 15-bit characer set,
 501 ;;         modified from industry defacto
 502 ;;         standard Shift-JIS
 503 ;; "HP-Kana8"                                      [36]
 504 ;;         HPKANA8 8-bit character set
 505 ;; "HP-Korean15"                                   [36]
 506 ;;         HPKOREAN15 15-bit character set
 507 ;; "HP-Roman8"                                     [36]
 508 ;;         HPROMAN8 8-bit character set
 509 ;; "HP-SChinese15"                                 [36]
 510 ;;         HPSCHINA15 15-bit character set for
 511 ;;         support of Simplified Chinese
 512 ;; "HP-TChinese15"                                 [36]
 513 ;;         HPTCHINA15 15-bit character set for
 514 ;;         support of Traditional Chinese
 515 ;; "HP-Turkish8"                                   [36]
 516 ;;         HPTURKISH8 8-bit character set
 517 ;; "IPSYS"                                         [59]
 518 ;;         registry prefix
 519 ;; "IPSYS.IE-1"                                    [59]
 520 ;; "ISO2022"<REG>"-"<ENC>                          [44]
 521 ;; "ISO646.1991-IRV"                               [107]
 522 ;;         ISO 646 International Reference Version
 523 ;; "ISO8859-1"                                     [15],[12]
 524 ;;         ISO Latin alphabet No. 1
 525 ;; "ISO8859-2"                                     [15],[12]
 526 ;;         ISO Latin alphabet No. 2
 527 ;; "ISO8859-3"                                     [15],[12]
 528 ;;         ISO Latin alphabet No. 3
 529 ;; "ISO8859-4"                                     [15],[12]
 530 ;;         ISO Latin alphabet No. 4
 531 ;; "ISO8859-5"                                     [15],[12]
 532 ;;         ISO Latin/Cyrillic alphabet
 533 ;; "ISO8859-6"                                     [15],[12]
 534 ;;         ISO Latin/Arabic alphabet
 535 ;; "ISO8859-7"                                     [15],[12]
 536 ;;         ISO Latin/Greek alphabet
 537 ;; "ISO8859-8"                                     [15],[12]
 538 ;;         ISO Latin/Hebrew alphabet
 539 ;; "ISO8859-9"                                     [15],[12]
 540 ;;         ISO Latin alphabet No. 5
 541 ;; "ISO8859-10"                                    [15],[12]
 542 ;;         ISO Latin alphabet No. 6
 543 ;; "ISO8859-13"                                    [15],[12]
 544 ;;         ISO Latin alphabet No. 7
 545 ;; "ISO8859-14"                                    [15],[12]
 546 ;;         ISO Latin alphabet No. 8
 547 ;; "ISO8859-15"                                    [15],[12]
 548 ;;         ISO Latin alphabet No. 9
 549 ;; "FCD8859-15"                                    [7]
 550 ;;         (deprecated)
 551 ;;         ISO Latin alphabet No. 9, Final Committee Draft
 552 ;; "ISO10646-1"                                    [133]
 553 ;;         Unicode Universal Multiple-Octet Coded Character Set
 554 ;; "ISO10646-MES"                                  [133]
 555 ;;         (deprecated)
 556 ;;         Unicode Minimum European Subset
 557 ;; "JISX0201.1976-0"                               [38],[12]
 558 ;;         8-Bit Alphanumeric-Katakana Code
 559 ;; "JISX0208.1983-0"                               [40],[12]
 560 ;;         Japanese Graphic Character Set,
 561 ;;         GL encoding
 562 ;; "JISX0208.1990-0"                               [71]
 563 ;;         Japanese Graphic Character Set,
 564 ;;         GL encoding
 565 ;; "JISX0208.1983-1"                               [40]
 566 ;;         (deprecated)
 567 ;;         Japanese Graphic Character Set,
 568 ;;         GR encoding
 569 ;; "JISX0212.1990-0"                               [72]
 570 ;;         Supplementary Japanese Graphic Character Set,
 571 ;;         GL encoding
 572 ;; "KOI8-R"                                        [119]
 573 ;;         Cyrillic alphabet
 574 ;; "KSC5601.1987-0"                                [41],[12]
 575 ;;         Korean Graphic Character Set,
 576 ;;         GL encoding
 577 ;; "KSC5601.1987-1"                                [41]
 578 ;;         (deprecated)
 579 ;;         Korean Graphic Character Set,
 580 ;;         GR encoding
 581 ;; "omron_CNS11643-0"                              [45]
 582 ;; "omron_CNS11643-1"                              [45]
 583 ;; "omron_BIG5-0"                                  [45]
 584 ;; "omron_BIG5-1"                                  [45]
 585 ;; "wn.tamil.1993"                                 [103]
 586
 587 (defun set-font-encoding (pattern charset)
 588   "Set arguments in `font-encoding-alist' (which see)."
 589   (let ((slot (assoc pattern font-encoding-alist)))
 590     (if slot
 591         (setcdr slot charset)
 592       (setq font-encoding-alist
 593             (cons (cons pattern charset) font-encoding-alist)))))
 594
 595 ;; Setting for suppressing XLoadQueryFont on big fonts.
 596 (setq x-pixel-size-width-font-regexp
 597       "gb2312\\|gbk\\|gb18030\\|jisx0208\\|ksc5601\\|cns11643\\|big5")
 598
 599 ;; These fonts require vertical centering.
 600 (setq vertical-centering-font-regexp
 601       "gb2312\\|gbk\\|gb18030\\|jisx0208\\|jisx0212\\|ksc5601\\|cns11643\\|big5")
 602
 603 ;; CDAC fonts are actually smaller than their design sizes.
 604 (setq face-font-rescale-alist
 605       '(("-cdac$" . 1.3)))
 606
 607 (defvar x-font-name-charset-alist nil
 608   "This variable has no meaning now.  Just kept for backward compatibility.")
 609
 610 ;;; XLFD (X Logical Font Description) format handler.
 611
 612 ;; Define XLFD's field index numbers.           ; field name
 613 (defconst xlfd-regexp-family-subnum 0)          ; FOUNDRY and FAMILY
 614 (defconst xlfd-regexp-weight-subnum 1)          ; WEIGHT_NAME
 615 (defconst xlfd-regexp-slant-subnum 2)           ; SLANT
 616 (defconst xlfd-regexp-swidth-subnum 3)          ; SETWIDTH_NAME
 617 (defconst xlfd-regexp-adstyle-subnum 4)         ; ADD_STYLE_NAME
 618 (defconst xlfd-regexp-pixelsize-subnum 5)       ; PIXEL_SIZE
 619 (defconst xlfd-regexp-pointsize-subnum 6)       ; POINT_SIZE
 620 (defconst xlfd-regexp-resx-subnum 7)            ; RESOLUTION_X
 621 (defconst xlfd-regexp-resy-subnum 8)            ; RESOLUTION_Y
 622 (defconst xlfd-regexp-spacing-subnum 8)         ; SPACING
 623 (defconst xlfd-regexp-avgwidth-subnum 10)       ; AVERAGE_WIDTH
 624 (defconst xlfd-regexp-registry-subnum 11)       ; REGISTRY and ENCODING
 625
 626 ;; Regular expression matching against a fontname which conforms to
 627 ;; XLFD (X Logical Font Description).  All fields in XLFD should be
 628 ;; not be omitted (but can be a wild card) to be matched.
 629 (defconst xlfd-tight-regexp
 630   "^\
 631 -\\([^-]*-[^-]*\\)-\\([^-]*\\)-\\([^-]*\\)-\\([^-]*\\)\
 632 -\\([^-]*\\)-\\([^-]*\\)-\\([^-]*\\)-\\([^-]*\\)-\\([^-]*\\)\
 633 -\\([^-]*\\)-\\([^-]*\\)-\\([^-]*-[^-]*\\)$")
 634
 635 ;; Regular expression matching against a fontname which conforms to
 636 ;; XLFD (X Logical Font Description).  All fields in XLFD from FOUNDRY
 637 ;; to ADSTYLE, REGISTRY, and ENCODING should be not be omitted (but
 638 ;; can be a wild card) to be matched.
 639 (defconst xlfd-style-regexp
 640   "^\
 641 -\\([^-]*-[^-]*\\)-\\([^-]*\\)-\\([^-]*\\)-\\([^-]*\\)-\\([^-]*\\)-.*\
 642 -\\([^-]*-[^-]*\\)$")
 643
 644 ;; List of field numbers of XLFD whose values are numeric.
 645 (defconst xlfd-regexp-numeric-subnums
 646   (list xlfd-regexp-pixelsize-subnum    ;5
 647         xlfd-regexp-pointsize-subnum    ;6
 648         xlfd-regexp-resx-subnum         ;7
 649         xlfd-regexp-resy-subnum         ;8
 650         xlfd-regexp-avgwidth-subnum     ;10
 651         ))
 652
 653 (defun x-decompose-font-name (pattern)
 654   "Decompose PATTERN into XLFD fields and return a vector of the fields.
 655 The length of the vector is 12.
 656 The FOUNDRY and FAMILY fields are concatinated and stored in the first
 657 element of the vector.
 658 The REGISTRY and ENCODING fields are concatinated and stored in the last
 659 element of the vector.
 660
 661 Return nil if PATTERN doesn't conform to XLFD."
 662   (if (string-match xlfd-tight-regexp pattern)
 663       (let ((xlfd-fields (make-vector 12 nil)))
 664         (dotimes (i 12)
 665           (aset xlfd-fields i (match-string (1+ i) pattern)))
 666         (dotimes (i 12)
 667           (if (string-match "^[*-]+$" (aref xlfd-fields i))
 668               (aset xlfd-fields i nil)))
 669         xlfd-fields)))
 670
 671 (defun x-compose-font-name (fields &optional reduce)
 672   "Compose X fontname from FIELDS.
 673 FIELDS is a vector of XLFD fields, of length 12.
 674 If a field is nil, wild-card letter `*' is embedded.
 675 Optional argument REDUCE exists just for backward compatibility,
 676 and is always ignored."
 677   (concat "-" (mapconcat (lambda (x) (or x "*")) fields "-")))
 678
 679
 680 (defun x-must-resolve-font-name (xlfd-fields)
 681   "Like `x-resolve-font-name', but always return a font name.
 682 XLFD-FIELDS is a vector of XLFD (X Logical Font Description) fields.
 683 If no font matching XLFD-FIELDS is available, successively replace
 684 parts of the font name pattern with \"*\" until some font is found.
 685 Value is name of that font."
 686   (let ((ascii-font nil) (index 0))
 687     (while (and (null ascii-font) (<= index xlfd-regexp-registry-subnum))
 688       (let ((pattern (x-compose-font-name xlfd-fields)))
 689         (condition-case nil
 690             (setq ascii-font (x-resolve-font-name pattern))
 691           (error
 692            (message "Warning: no fonts matching `%s' available" pattern)
 693            (aset xlfd-fields index "*")
 694            (setq index (1+ index))))))
 695     (unless ascii-font
 696       (error "No fonts found"))
 697     ascii-font))
 698
 699
 700 (defun x-complement-fontset-spec (default-spec fontlist)
 701   "Complement elements of FONTLIST based on DEFAULT-SPEC.
 702 DEFAULT-SPEC is a font-spec object providing default font properties.
 703 FONTLIST is an alist of script names vs the corresponding font names.
 704
 705 The font names are parsed and unspecified font properties are
 706 given from DEFAULT-SPEC."
 707   (let ((prop-list '(:foundry :family :weight :slant :width :adstyle :size)))
 708     (dolist (elt fontlist)
 709       (let ((spec (font-spec :name (cadr elt))))
 710         (dolist (prop prop-list)
 711           (let ((val (font-get spec prop)))
 712             (or val
 713                 (font-put spec prop (font-get default-spec prop)))))
 714         (setcar (cdr elt) spec)))
 715     fontlist))
 716
 717 (defun fontset-name-p (fontset)
 718   "Return non-nil if FONTSET is valid as fontset name.
 719 A valid fontset name should conform to XLFD (X Logical Font Description)
 720 with \"fontset\" in `<CHARSET_REGISTRY>' field."
 721   (and (string-match xlfd-tight-regexp fontset)
 722        (string= (match-string (1+ xlfd-regexp-registry-subnum) fontset)
 723                 "fontset")))
 724
 725 (defun generate-fontset-menu ()
 726   "Return list to be appended to `x-fixed-font-alist'.
 727 Done when `mouse-set-font' is called."
 728   (let (l)
 729     (dolist (fontset (fontset-list))
 730       (or (string-match "fontset-default$" fontset)
 731           (push (list (fontset-plain-name fontset) fontset) l)))
 732     (cons "Fontset"
 733           (sort l #'(lambda (x y) (string< (car x) (car y)))))))
 734
 735 (defun fontset-plain-name (fontset)
 736   "Return a plain and descriptive name of FONTSET."
 737   (if (not (setq fontset (query-fontset fontset)))
 738       (error "Invalid fontset: %s" fontset))
 739   (let ((xlfd-fields (x-decompose-font-name fontset)))
 740     (if xlfd-fields
 741         (let ((family (aref xlfd-fields xlfd-regexp-family-subnum))
 742               (weight (aref xlfd-fields xlfd-regexp-weight-subnum))
 743               (slant  (aref xlfd-fields xlfd-regexp-slant-subnum))
 744               (swidth (aref xlfd-fields xlfd-regexp-swidth-subnum))
 745               (size   (aref xlfd-fields xlfd-regexp-pixelsize-subnum))
 746               (nickname (aref xlfd-fields xlfd-regexp-registry-subnum))
 747               name)
 748           (if (not (string-match "^fontset-\\(.*\\)$" nickname))
 749               (setq nickname family)
 750             (setq nickname (match-string 1 nickname)))
 751           (if (and size (> (string-to-number size) 0))
 752               (setq name (format "%s: %s-dot" nickname size))
 753             (setq name nickname))
 754           (and weight
 755                (cond ((string-match "^medium$" weight)
 756                       (setq name (concat name " " "medium")))
 757                      ((string-match "^bold$\\|^demibold$" weight)
 758                       (setq name (concat name " " weight)))))
 759           (and slant
 760                (cond ((string-match "^i$" slant)
 761                       (setq name (concat name " " "italic")))
 762                      ((string-match "^o$" slant)
 763                       (setq name (concat name " " "slant")))
 764                      ((string-match "^ri$" slant)
 765                       (setq name (concat name " " "reverse italic")))
 766                      ((string-match "^ro$" slant)
 767                       (setq name (concat name " " "reverse slant")))))
 768           name)
 769       fontset)))
 770
 771 (defvar charset-script-alist
 772   '((ascii . latin)
 773     (latin-iso8859-1 . latin)
 774     (latin-iso8859-2 . latin)
 775     (latin-iso8859-3 . latin)
 776     (latin-iso8859-4 . latin)
 777     (latin-iso8859-9 . latin)
 778     (latin-iso8859-10 . latin)
 779     (latin-iso8859-13 . latin)
 780     (latin-iso8859-14 . latin)
 781     (latin-iso8859-15 . latin)
 782     (latin-iso8859-16 . latin)
 783     (latin-jisx0201 . latin)
 784     (thai-tis620 . thai)
 785     (cyrillic-iso8859-5 . cyrillic)
 786     (arabic-iso8859-6 . arabic)
 787     (greek-iso8859-7 . latin)
 788     (hebrew-iso8859-8 . latin)
 789     (katakana-jisx0201 . kana)
 790     (chinese-gb2312 . han)
 791     (chinese-gbk . han)
 792     (gb18030-2-byte . han)
 793     (gb18030-4-byte-bmp . han)
 794     (gb18030-4-byte-ext-1 . han)
 795     (gb18030-4-byte-ext-2 . han)
 796     (gb18030-4-byte-smp . han)
 797     (chinese-big5-1 . han)
 798     (chinese-big5-2 . han)
 799     (chinese-cns11643-1 . han)
 800     (chinese-cns11643-2 . han)
 801     (chinese-cns11643-3 . han)
 802     (chinese-cns11643-4 . han)
 803     (chinese-cns11643-5 . han)
 804     (chinese-cns11643-6 . han)
 805     (chinese-cns11643-7 . han)
 806     (japanese-jisx0208 . han)
 807     (japanese-jisx0208-1978 . han)
 808     (japanese-jisx0212 . han)
 809     (japanese-jisx0213-1 . han)
 810     (japanese-jisx0213-2 . han)
 811     (korean-ksc5601 . hangul)
 812     (chinese-sisheng . bopomofo)
 813     (vietnamese-viscii-lower . latin)
 814     (vietnamese-viscii-upper . latin)
 815     (arabic-digit . arabic)
 816     (arabic-1-column . arabic)
 817     (arabic-2-column . arabic)
 818     (indian-is13194 . devanagari)
 819     (indian-glyph . devanagari)
 820     (indian-1-column . devanagari)
 821     (indian-2-column . devanagari)
 822     (tibetan-1-column . tibetan))
 823   "Alist of charsets vs the corresponding most appropriate scripts.
 824
 825 This alist is used by the function `create-fontset-from-fontset-spec'
 826 to map charsets to scripts.")
 827
 828 (defun create-fontset-from-fontset-spec (fontset-spec
 829                                          &optional style-variant noerror)
 830   "Create a fontset from fontset specification string FONTSET-SPEC.
 831 FONTSET-SPEC is a string of the format:
 832         FONTSET-NAME,SCRIPT0:FONT0,SCRIPT1:FONT1, ...
 833 Any number of SPACE, TAB, and NEWLINE can be put before and after commas.
 834
 835 When a frame uses the fontset as the `font' parameter, the frame's
 836 default font name is derived from FONTSET-NAME by substituting
 837 \"iso8859-1\" for the tail part \"fontset-XXX\".  But, if SCRIPT-NAMEn
 838 is \"ascii\", use the corresponding FONT-NAMEn as the default font
 839 name.
 840
 841 Optional 2nd and 3rd arguments exist just for backward compatibility,
 842 and are ignored.
 843
 844 It returns a name of the created fontset.
 845
 846 For backward compatibility, SCRIPT-NAME may be a charset name, in
 847 which case, the corresponding script is decided by the variable
 848 `charset-script-alist' (which see)."
 849   (or (string-match "^[^,]+" fontset-spec)
 850       (error "Invalid fontset spec: %s" fontset-spec))
 851   (let ((idx (match-end 0))
 852         (name (match-string 0 fontset-spec))
 853         default-spec target script fontlist)
 854     (or (string-match xlfd-tight-regexp name)
 855         (error "Fontset name \"%s\" not conforming to XLFD" name))
 856     (setq default-spec (font-spec :name name))
 857     ;; At first, extract pairs of charset and fontname from FONTSET-SPEC.
 858     (while (string-match "[, \t\n]*\\([^:]+\\):[ \t]*\\([^,]+\\)"
 859                          fontset-spec idx)
 860       (setq idx (match-end 0))
 861       (setq target (intern (match-string 1 fontset-spec)))
 862       (cond ((or (eq target 'ascii)
 863                  (memq target (char-table-extra-slot char-script-table 0)))
 864              (push (list target (match-string 2 fontset-spec)) fontlist))
 865             ((setq script (cdr (assq target charset-script-alist)))
 866              (push (list script (match-string 2 fontset-spec)) fontlist))
 867             ((charsetp target)
 868              (push (list target (match-string 2 fontset-spec)) fontlist))))
 869
 870     ;; Complement FONTLIST.
 871     (setq fontlist (x-complement-fontset-spec default-spec fontlist))
 872
 873     ;; Create a fontset.
 874     (new-fontset name (nreverse fontlist))))
 875
 876 (defun create-fontset-from-ascii-font (font &optional resolved-font
 877                                             fontset-name)
 878   "Create a fontset from an ASCII font FONT.
 879
 880 Optional 2nd arg RESOLVED-FONT is a resolved name of FONT.
 881 If omitted, `x-resolve-font-name' is called to get the resolved name.
 882 At this time, if FONT is not available, an error is signaled.
 883
 884 Optional 3rd arg FONTSET-NAME is a string to be used in
 885 `<CHARSET_ENCODING>' fields of a new fontset name.  If it is omitted,
 886 an appropriate name is generated automatically.
 887
 888 It returns a name of the created fontset."
 889   (setq font (downcase font))
 890   (setq resolved-font
 891         (downcase (or resolved-font (x-resolve-font-name font))))
 892   (let ((xlfd (x-decompose-font-name resolved-font))
 893         fontset)
 894     (if fontset-name
 895         (setq fontset-name (downcase fontset-name))
 896       (if (query-fontset "fontset-startup")
 897           (setq fontset-name
 898                 (subst-char-in-string
 899                  ?- ?_ (aref xlfd xlfd-regexp-registry-subnum) t))
 900         (setq fontset-name "startup")))
 901     (aset xlfd xlfd-regexp-registry-subnum
 902           (format "fontset-%s" fontset-name))
 903     (setq fontset (x-compose-font-name xlfd))
 904     (or (query-fontset fontset)
 905         (create-fontset-from-fontset-spec (concat fontset ", ascii:" font)))))
 906
 907 \f
 908 ;; Create standard fontset from 16 dots fonts which are the most widely
 909 ;; installed fonts.  Fonts for Chinese-GB, Korean, and Chinese-CNS are
 910 ;; specified here because FAMILY of those fonts are not "fixed" in
 911 ;; many cases.
 912 (defvar standard-fontset-spec
 913   (purecopy "-*-fixed-medium-r-normal-*-16-*-*-*-*-*-fontset-standard")
 914   "String of fontset spec of the standard fontset.
 915 You have the biggest chance to display international characters
 916 with correct glyphs by using the standard fontset.
 917 See the documentation of `create-fontset-from-fontset-spec' for the format.")
 918
 919
 920 ;; Create fontsets from X resources of the name `fontset-N (class
 921 ;; Fontset-N)' where N is integer 0, 1, ...
 922 ;; The values of the resources the string of the same format as
 923 ;; `standard-fontset-spec'.
 924
 925 (defun create-fontset-from-x-resource ()
 926   (let ((idx 0)
 927         fontset-spec)
 928     (while (setq fontset-spec (x-get-resource (format "fontset-%d" idx)
 929                                               (format "Fontset-%d" idx)))
 930       (create-fontset-from-fontset-spec fontset-spec t 'noerror)
 931       (setq idx (1+ idx)))))
 932
 933 ;;
 934 (provide 'fontset)
 935
 936 ;;; arch-tag: bb53e629-0234-403c-950e-551e61554849
 937 ;;; fontset.el ends here