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