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| Current File : //usr/share/m17n/ORYA-OTF.flt |
;; ORYA-OTF.flt -- Font Layout Table for Oriya OpenType font
;; Copyright (C) 2004, 2007, 2008, 2010 AIST (H15PRO112)
;; See the end for copying conditions.
(font layouter orya-otf nil
(version "1.6.0")
(font (nil nil unicode-bmp :otf=orya)))
;;; <li> ORYA-OTF.flt
;;;
;;; For Oriya OpenType fonts to draw the Oriya script.
(category
;; B: consonants that have a below form
;; C: consonants that do not
;; This table is made for Samyak-Oriya.ttf and utkal.ttf.
;; (lohit_or.ttf has more below form consonants.)
(0x0B00 0x0B7F ?X) ; generic
(0x0B01 ?a) ; SIGN CANDRABINDU
(0x0B02 0x0B03 ?A) ; SIGN ANUSVARA .. VISARGA
(0x0B05 0x0B14 ?V) ; LETTER A .. VOCALIC AU
(0x0B15 0x0B39 ?B) ; LETTER KA .. HA
(0x0B18 0x0B1A ?C) ; LETTER GHA .. CA
(0x0B1E ?C) ; LETTER NYA
(0x0B22 ?C) ; LETTER DDHA
(0x0B25 0x0B26 ?C) ; LETTER THA .. DA
(0x0B2F ?Y) ; LETTER YA
(0x0B30 ?R) ; LETTER RA
(0x0B36 0x0B37 ?C) ; LETTER SHA .. SSA
(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 0x0B5D ?C) ; LETTER RRA .. RHA
(0x0B5F ?Y) ; LETTER 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[BYR])?m?u?b?p?n?a?A?)"
< | (1 = =) (2 :otf=orya=nukt+) (3 = *) | >)
;; Consonant-based syllables
;;1 23 4
("([CBYR]n?((J?H|HJ?)[CBYR]n?)*)(H[NJ]?|m?u?b?p?n?a?A?)"
< |
(cond
(".+HJ$" :otf=orya=nukt,akhn+)
("(.+)(H)N?$" (1 :otf=orya=nukt,akhn+) (2 =) 0x200C)
(".+" :otf=orya=nukt,akhn+))
| >)
;; Two-part vowel signs
((0x0B47 0x0B56)
(cond
((font-facility 0x25CC) < = 0x25CC = >)
(".+" [ 0x0B48 ])))
((0x0B47 0x0B3E)
(cond
((font-facility 0x25CC) < = 0x25CC = >)
(".+" [ 0x0B4B ])))
((0x0B47 0x0B57)
(cond
((font-facility 0x25CC) < = 0x25CC = >)
(".+" [ 0x0B4C ])))
;; Combining marks are displayed with a DOTTED CIRCLE.
("m"
(cond
((font-facility 0x25CC) < = 0x25CC >)
("." [ = ])))
("[nHubpaA]"
(cond
((font-facility 0x25CC) < 0x25CC = >)
("." [ = ])))
;; Isolated blwf and pstf are displayed with a DOTTED CIRCLE in the
;; next stage.
("(J)(H)([BYR])"
< | (1 =) (3 =) (2 =) | >)
("." =))
*))
;; Stage 2
;; Reorder halant for blwf and pstf
(generator
(0
(cond
;; Isolated blwf and pstf
(" J([BYR]H) "
(cond
((font-facility 0x25CC) < 0x25CC (1 :otf=orya=blwf,pstf+) >)
(" J([BYR]H) " [ (1 :otf=orya=blwf,pstf+) ])))
;; 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 = *) |)
("." =))
*)
(reorder
("(.|.+([^YJ]|JY|HJ))((J?HY)*)$"
(1 reorder-BR *) (3 reorder-Y *)))
(reorder-BR
(cond
("J?(H)([BR])"
(2 =) (1 =))
("." =)))
(reorder-Y
("J?(H)(Y)"
(2 =) (1 =)))
)
;; Stage 3
;; Language forms and matra reordering
(generator
(0
(cond
;; Overt halant forms
(" (RHJ?)?([^ ]+)(HN) "
|
(1 (cond ("RHJ" :otf=orya=half+)
("RH" :otf=orya=rphf+)))
(2 b4post) (2 post) (3 = =) |)
;; Other syllables
;; 1 2 3 4 5 6 7 8
(" (RHJ?)?([^mubpaA ]*)(mn?)?(un?)?(bn?)?(pn?)?(a)?(A)? "
| (3 = *)
(1 (cond ("RHJ" :otf=orya=half+)
("RH" :otf=orya=rphf+)))
(2 b4post) (5 = *) (4 = *) (7 =) (2 post) (6 = *) (8 =) |)
("." =))
*)
;; Oriya should not have half forms nor vatu forms, but
;; Samyak-Oriya.ttf and utkal.ttf do have them.
(b4post
(cond
("(.H)J?(.*)"
(1 :otf=orya=half+)
(2 ("(.|.+([^YH]|JY|[BR]H))((YH)*)$" (1 lang-forms *))))
("(.|.+([^YH]|JY|[BR]H))((YH)*)"
(1 lang-forms *))))
(lang-forms
(cond
("(.H)J" (1 :otf=orya=half+))
(".H" :otf=orya=blwf,half,vatu+)
("." =)))
(post
("(.|.+([^YH]|JY|[BR]H))((YH)+)$"
(3 :otf=orya=pstf+)))
)
;; Stage 4
;; Final reordering #1 (Move pre-base matra after the last halant)
(generator
(0
(cond
;; 1 2 3
(" (mn?)([^ ]+HJ?)([^H ]+) "
| (2 = *) (1 = *) (3 = *) |)
("." =))
*))
;; Stage 5
;; Final reordering #2 (Move reph after the first halant)
(generator
(0
(cond
;; Syllables with a reph and an overt halant
;; 1 2 3 4
(" (mn?)?(r)([^HP ]+HJ?)([^ ]*) "
| (1 = *) (3 = *) (2 =) (4 = *) |)
;; A reph without overt halant
;; 1 2 3 4
(" (mn?)?(r)([^aPpA ]+)(a?P*(HN)?p?n?A?) "
| (1 = *) (3 = *) (2 =) (4 = *) |)
("." =))
*))
;; Stage 6
;; Nukta for matra and Presentation forms
(generator
(0
(cond
(" ([^ ]+) "
| (1 :otf=orya=nukt,pres,abvs,blws,psts,haln+) |)
("." =))
*))
;; Stage 7
;; Remove ZWNJ/ZWJ
(generator
(0
(cond
("[NJ]")
("." =))
*))
;; Stage 8
;; GPOS processing
(generator
(0
(cond
(" ([^ ]+) "
(1 :otf=orya=+abvm,blwm,dist))
("." =))
*))
;; Copyright (C) 2004, 2007, 2008, 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: