240 lines
5.6 KiB
Plaintext
240 lines
5.6 KiB
Plaintext
;; GUJR-OTF.flt -- Font Layout Table for Gujarati OpenType fonts
|
|
;; Copyright (C) 2004, 2007, 2010 AIST (H15PRO112)
|
|
;; See the end for copying conditions.
|
|
|
|
(font layouter gujr-otf nil
|
|
(version "1.6.0")
|
|
(font (nil nil unicode-bmp :otf=gujr)))
|
|
|
|
;;; <li> GUJR-OTF.flt
|
|
;;;
|
|
;;; For Gujarati OpenType fonts to draw the Gujarati script.
|
|
|
|
(category
|
|
;; X: generic
|
|
;; V: independent vowel
|
|
;; C: consonant
|
|
;; R: RA
|
|
;; n: NUKTA
|
|
;; H: HALANT
|
|
;; m: vowel sign (pre)
|
|
;; u: vowel sign (above)
|
|
;; b: vowel sign (below)
|
|
;; p: vowel sign (post)
|
|
;; a: vowel modifier (above)
|
|
;; A: vowel modifier (post)
|
|
;; N: ZWNJ
|
|
;; J: ZWJ
|
|
(0x0A80 0x0AFF ?X) ; generic
|
|
(0x0A81 0x0A82 ?a) ; SIGN CANDRABINDU .. ANUSVARA
|
|
(0x0A83 ?A) ; SIGN VISARGA
|
|
(0x0A85 0x0A94 ?V) ; LETTER A .. AU
|
|
(0x0A95 0x0AB9 ?C) ; LETTER KA .. HA
|
|
(0x0AB0 ?R) ; LETTER RA
|
|
(0x0ABC ?n) ; SIGN NUKTA
|
|
(0x0ABE ?p) ; VOWEL SIGN AA
|
|
(0x0ABF ?m) ; VOWEL SIGN I
|
|
(0x0AC0 ?p) ; VOWEL SIGN II
|
|
(0x0AC1 0x0AC4 ?b) ; VOWEL SIGN UU .. VOCALIC RR
|
|
(0x0AC5 0x0AC8 ?u) ; VOWEL SIGN CANDRA E .. AI
|
|
(0x0AC9 0x0ACC ?p) ; VOWEL SIGN CANDRA O .. AU
|
|
(0x0ACD ?H) ; SIGN VIRAMA
|
|
(0x0AE0 0x0AE1 ?V) ; LETTER VOCALIC RR .. VOCALIC LL
|
|
(0x0AE2 0x0AE3 ?b) ; VOWEL SIGN VOCALIC L .. VOCALIC LL
|
|
|
|
(0x200C ?N) ; ZWNJ
|
|
(0x200D ?J) ; ZWJ
|
|
(0x25CC ?X) ; DOTTED CIRCLE
|
|
|
|
(rphf ?r)
|
|
)
|
|
|
|
;; Stage 0
|
|
;; Syllable identification
|
|
(generator
|
|
(0
|
|
(cond
|
|
;; Syllables with an independent vowel
|
|
("(RH)?(Vn?)((J?HR)?m?u?b?p?n?a?A?)"
|
|
< | (1 = =) (2 :otf=gujr=nukt+) (3 = *) | >)
|
|
|
|
;; Consonant-based syllables
|
|
;;1 23 4
|
|
("([CR]n?((J?H|HJ?)[CR]n?)*)(H[NJ]?|m?u?b?p?n?a?A?)"
|
|
< |
|
|
(cond
|
|
(".+HJ$" :otf=gujr=nukt,akhn+)
|
|
("(.+)(H)N?$" (1 :otf=gujr=nukt,akhn+) (2 =) 0x200C)
|
|
(".+" :otf=gujr=nukt,akhn+))
|
|
| >)
|
|
|
|
;; Combining marks are displayed with a DOTTED CIRCLE.
|
|
("m"
|
|
(cond
|
|
((font-facility 0x25CC) < = 0x25CC >)
|
|
("." [ = ])))
|
|
("[nHubpaA]"
|
|
(cond
|
|
((font-facility 0x25CC) < 0x25CC = >)
|
|
("." [ = ])))
|
|
|
|
;; Isolated blwf is displayed with a DOTTED CIRCLE in the next stage.
|
|
("(J)(H)(R)"
|
|
< | (1 =) (3 =) (2 =) | >)
|
|
|
|
("." =))
|
|
*))
|
|
|
|
;; Stage 1
|
|
;; Reorder halant for blwf
|
|
(generator
|
|
(0
|
|
(cond
|
|
;; Isolated blwf
|
|
(" J(RH) "
|
|
(cond
|
|
((font-facility 0x25CC) < 0x25CC :otf=gujr=blwf+ >)
|
|
(" J(RH) " [ (1 :otf=gujr=blwf+) ])))
|
|
|
|
;; Syllables with an overt halant
|
|
(" (RHJ?)?([^ ]+)(HN) "
|
|
| (1 = *) (2 reorder) (3 = =) |)
|
|
|
|
;; Ordinary syllables
|
|
(" (RHJ?)?([^mubpaA ]+)(m?u?b?p?n?a?A?) "
|
|
| (1 = *) (2 reorder) (3 = *) |)
|
|
|
|
("." =))
|
|
*)
|
|
|
|
;; In Devanagari and Gujarati, vattu has a half form. Thus we handle
|
|
;; the sequence CHRHC as (CH)half + (RH)blwf + C instead of
|
|
;; reordering and interpreting it as C + (RH)blwf + H + C.
|
|
(reorder
|
|
(cond
|
|
("(.+)(H)(R)$" (1 = *) (3 =) (2 =))
|
|
(".+" = *)))
|
|
)
|
|
|
|
;; Stage 2
|
|
;; Language forms and matra reordering
|
|
(generator
|
|
(0
|
|
(cond
|
|
;; Overt halant forms
|
|
(" (RHJ?)?([^ ]+)(HN) "
|
|
|
|
|
(1 (cond ("RHJ" :otf=gujr=half+)
|
|
("RH" :otf=gujr=rphf+)))
|
|
(2 (cond ("(.H)J?(.*)" (1 :otf=gujr=half+) (2 lang-forms *))
|
|
(".+" lang-forms *)))
|
|
(3 = =) |)
|
|
|
|
;; Other syllables
|
|
;; 1 2 3 4 5 6
|
|
(" (RHJ?)?([^mubpaA ]*)(mn?)?(un?)?(bn?)?(p?n?a?A?) "
|
|
| (3 = *)
|
|
(1 (cond ("RHJ" :otf=gujr=half+)
|
|
("RH" :otf=gujr=rphf+)))
|
|
(2 (cond ("(.H)J?(.*)" (1 :otf=gujr=half+) (2 lang-forms *))
|
|
(".+" lang-forms *)))
|
|
(5 = *) (4 = *) (6 = *) |)
|
|
|
|
("." =))
|
|
*)
|
|
|
|
(lang-forms
|
|
(cond
|
|
("(.H)J" (1 :otf=gujr=half+))
|
|
(".H" :otf=gujr=blwf,half+)
|
|
("." =)))
|
|
)
|
|
|
|
;; Stage 3
|
|
;; Final reordering #1 (Move pre-base matra after the last halant)
|
|
(generator
|
|
(0
|
|
(cond
|
|
;; 1 2 3
|
|
(" (mn?)([^ ]+HJ?)([^H ]+) "
|
|
| (2 = *) (1 = *) (3 = *) |)
|
|
|
|
("." =))
|
|
*))
|
|
|
|
;; Stage 4
|
|
;; Final reordering #2 (Move reph after the first halant)
|
|
(generator
|
|
(0
|
|
(cond
|
|
;; Syllables with a reph and an explicit halant
|
|
;; 1 2 3 4
|
|
(" (mn?)?(r)([^H ]+HJ?)([^ ]*) "
|
|
| (1 = *) (3 = *) (2 =) (4 = *) |)
|
|
|
|
;; A reph without explicit halant
|
|
;; 1 2 3 4
|
|
(" (mn?)?(r)([^aA ]+)(a?A?) "
|
|
| (1 = *) (3 = *) (2 =) (4 = *) |)
|
|
|
|
("." =))
|
|
*))
|
|
|
|
;; Stage 5
|
|
;; Nukta for matra, vattu and presentation forms
|
|
(generator
|
|
(0
|
|
(cond
|
|
(" ([^ ]+) "
|
|
| (1 :otf=gujr=nukt,vatu,pres,abvs,blws,psts,haln+) |)
|
|
|
|
("." =))
|
|
*))
|
|
|
|
;; Stage 6
|
|
;; Remove ZWNJ/ZWJ
|
|
(generator
|
|
(0
|
|
(cond
|
|
("[NJ]")
|
|
|
|
("." =))
|
|
*))
|
|
|
|
;; Stage 7
|
|
;; GPOS processing
|
|
(generator
|
|
(0
|
|
(cond
|
|
(" ([^ ]+) "
|
|
(1 :otf=gujr=+abvm,blwm,dist))
|
|
|
|
("." =))
|
|
*))
|
|
|
|
;; Copyright (C) 2004, 2007, 2010
|
|
;; National Institute of Advanced Industrial Science and Technology (AIST)
|
|
;; Registration Number H15PRO112
|
|
|
|
;; This file is part of the m17n database; a sub-part of the m17n
|
|
;; library.
|
|
|
|
;; The m17n library is free software; you can redistribute it and/or
|
|
;; modify it under the terms of the GNU Lesser General Public License
|
|
;; as published by the Free Software Foundation; either version 2.1 of
|
|
;; the License, or (at your option) any later version.
|
|
|
|
;; The m17n library is distributed in the hope that it will be useful,
|
|
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
;; Lesser General Public License for more details.
|
|
|
|
;; You should have received a copy of the GNU Lesser General Public
|
|
;; License along with the m17n library; if not, write to the Free
|
|
;; Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
;; Boston, MA 02110-1301, USA.
|
|
|
|
;; Local Variables:
|
|
;; mode: emacs-lisp
|
|
;; End:
|