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| Current File : //usr/share/m17n/ORY2-OTF.flt |
;; ORY2-OTF.flt -- Font Layout Table for ory2 OpenType fonts
;; Copyright (C) 2010 AIST (H15PRO112)
;; See the end for copying conditions.
(font layouter ory2-otf nil
(version "1.6.0")
(font (nil nil unicode-bmp :otf=ory2)))
;;; <li> ORY2-OTF.flt
;;;
;;; For ory2 OpenType fonts to draw the Oriya script.
;; base blwf b u rphf a pstf p A
(category
(0x0B00 0x0B7F ?X) ; generic
(0x0B01 ?a) ; SIGN CANDRABINDU
(0x0B02 0x0B03 ?A) ; SIGN ANUSVARA .. VISARGA
(0x0B05 0x0B14 ?V) ; LETTER A .. VOCALIC AU
(0x0B15 0x0B39 ?C) ; LETTER KA .. HA
(0x0B30 ?R) ; LETTER RA
(0x0B3C ?n) ; SIGN NUKTA
(0x0B3E ?p) ; VOWEL SIGN AA
(0x0B3F ?u) ; VOWEL SIGN I
(0x0B40 ?p) ; VOWEL SIGN II
(0x0B41 0x0B44 ?b) ; VOWEL SIGN U .. VOCALIC RR
(0x0B47 ?m) ; VOWEL SIGN E
(0x0B4D ?H) ; SIGN VIRAMA
(0x0B56 ?u) ; AI LENGTH MARK
(0x0B57 ?p) ; AU LENGTH MARK
(0x0B5C 0x0B5F ?C) ; LETTER RRA .. YYA
(0x0B60 0x0B61 ?V) ; LETTER VOCALIC RR .. LL
(0x0B62 0x0B63 ?b) ; VOWEL SIGN VOCALIC L .. LL
(0x0B71 ?C) ; LETTER WA
(0x200C ?N) ; ZWNJ
(0x200D ?J) ; ZWJ
(0x25CC ?X) ; DOTTED CIRCLE
(rphf ?r)
(pstf ?P)
)
;; Stage 0
;; Preprocessing
(generator
(0
(cond
;; Decompose two-part vowel signs.
((0x0B48)
0x0B47 0x0B56)
((0x0B4B)
0x0B47 0x0B3E)
((0x0B4C)
0x0B47 0x0B57)
;; Compose consonant and nukta.
((0x0B21 0x0B3C)
0x0B5C)
((0x0B22 0x0B3C)
0x0B5D)
("." =))
*))
;; Stage 1
;; Syllable identification
(generator
(0
(cond
;; Syllables with an independent vowel
("(RH)?Vn?(J?H[CR])?m?u?b?p?n?a?A?"
< | = * | >)
;; Consonant-based syllables
("([CR]n?J?HJ?)*[CR]n?(H[NJ]?|m?u?b?p?n?)a?A?"
< | = * | >)
;; Two-part vowel signs
((0x0B47 0x0B56)
(cond
((font-facility 0x25CC) < 0x0B47 0x25CC 0x0B56 >)
(".+" < 0x0B48 >)))
((0x0B47 0x0B3E)
(cond
((font-facility 0x25CC) < 0x0B47 0x25CC 0x0B3E >)
(".+" < 0x0B4B >)))
((0x0B47 0x0B57)
(cond
((font-facility 0x25CC) < 0x0B47 0x25CC 0x0B57 >)
(".+" < 0x0B4C >)))
;; Combining marks are displayed with a DOTTED CIRCLE.
("m"
(cond
((font-facility 0x25CC) < = 0x25CC >)
("." [ = ])))
("[nHubpaA]"
(cond
((font-facility 0x25CC) < 0x25CC = >)
("." [ = ])))
("JH[CR]"
(cond
((font-facility 0x25CC) < 0x25CC :otf=ory2=blwf,pstf+ >)
(".+" [ :otf=ory2=blwf,pstf+ ])))
("." =))
*))
;; Stage 2
;; Basic shaping forms and matra reordering
(generator
(0
(cond
;; Explicit halant form starting with RA + H + ZWJ
;; 1 2 3 4
(" (RHJ[CRnHJ]+)(H)N?(a)?(A)? "
(1 :otf?ory2=locl,nukt,akhn,blwf,pstf+)
| (1 b4post) (3 =) (1 post) (2 =) (4 =) |)
;; Explicit halant form starting with a reph
;; 1 2 3 4 5
(" (RH)([CRnHJ]+)(H)N?(a)?(A)? "
(2 :otf?ory2=locl,nukt,akhn,blwf,pstf+)
| (1 :otf=ory2=rphf+) (2 b4post) (4 =) (2 post) (3 =) (5 =) |)
;; Other explicit halant forms
;; 1 2 3 4
(" ([CRnHJ]+)(H)N?(a)?(A)? "
(1 :otf?ory2=locl,nukt,akhn,blwf,pstf+)
| (1 b4post) (3 =) (1 post) (2 =) (4 =) |)
;; Ordinary syllables starting with RA + H + ZWJ
;; 1 2 3 4 5 6
(" (RHJ[CRnHJ]*)(mn?)?(u?b?n?)(pn?)?(a)?(A)? "
(1 :otf?ory2=locl,nukt,akhn,blwf,pstf+)
| (2 = *) (1 b4post) (3 = *) (5 =) (1 post) (4 = *) (6 =) |)
;; Ordinary syllables starting with a reph
;; 1 2 3 4 5 6 7
(" (RH)([CRnHJV]+)(mn?)?(u?b?n?)(pn?)?(a)?(A)? "
(2 :otf?ory2=locl,nukt,akhn,blwf,pstf+)
| (3 = *) (1 :otf=ory2=rphf+) (2 b4post) (4 = *) (6 =) (2 post)
(5 = *) (7 =) |)
;; Other ordinary syllables
;; 1 2 3 4 5 6
(" ([CRnHJV]+)(mn?)?(u?b?n?)(pn?)?(a)?(A)? "
(1 :otf?ory2=locl,nukt,akhn,blwf,pstf+)
| (2 = *) (1 b4post) (3 = *) (5 =) (1 post) (4 = *) (6 =) |)
("." =))
*)
(b4post
(cond
("([CRnHJP]*[CRV]n?)((J?PP)+)$"
(1 :otf=ory2=locl,nukt,akhn,blwf,cjct+))
(".+"
(0 :otf=ory2=locl,nukt,akhn,blwf,cjct+))))
(post
(cond
("[CRnHJP]*[CRV]n?((J?PP)+)$"
(1 :otf=ory2=pstf+))))
)
;; 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)([^HP ]+HJ?)([^ ]*) "
| (1 = *) (3 = *) (2 =) (4 = *) |)
;; A reph without explicit halant
;; 1 2 3 4
(" (mn?)?(r)([^aPpA ]+)(a?P*H?p?n?A?) "
| (1 = *) (3 = *) (2 =) (4 = *) |)
("." =))
*))
;; Stage 5
;; Nukta for matra and presentation forms
(generator
(0
(cond
(" ([^ ]+) "
| (1 :otf=ory2=nukt,pres,abvs,blws,psts,haln,calt+) |)
("." =))
*))
;; Stage 6
;; Remove ZWJ
(generator
(0
(cond
("J")
("." =))
*))
;; Stage 7
;; GPOS processing
(generator
(0
(cond
(" ([^ ]+) "
(1 :otf=ory2=+kern,dist,abvm,blwm))
("." =))
*))
;; Copyright (C) 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: