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- ;; ORYA-OTF.flt -- Font Layout Table for Oriya OpenType font
- ;; Copyright (C) 2004, 2007, 2008 AIST (H15PRO112)
- ;; See the end for copying conditions.
-
- (font layouter orya-otf nil
- (font (nil nil unicode-bmp :otf=orya=rphf)))
-
- ;;; <li> ORYA-OTF.flt
- ;;;
- ;;; For Oriya OpenType fonts to draw the Oriya script.
-
- (category
- ;; C: consonant (except for R, B and Y)
- ;; R: consonant RA
- ;; B: consonant (below)
- ;; Y: consonant (post)
- ;; n: NUKTA
- ;; H: HALANT
- ;; m: vowel sign (pre)
- ;; u: vowel sign (above)
- ;; b: vowel sign (below)
- ;; p: vowel sign (post)
- ;; t: vowel sign (two-part)
- ;; A: vowel modifier (above)
- ;; a: vowel modifier (post)
- ;; V: independent vowel
- ;; N: ZWNJ (ZERO WIDTH NON-JOINER)
- ;; J: ZWJ (ZERO WIDTH JOINER)
- ;; X: generic
- ;; Z: internal use
- (0x0B00 0x0B7F ?X) ; generic
- (0x0B00 ?Z) ; internal use
- (0x0B01 0x0B03 ?a) ; SIGN CANDRABINDU .. VISARGA
- (0x0B05 0x0B14 ?V) ; LETTER A .. VOCALIC AU
- (0x0B15 0x0B39 ?C) ; LETTER KA .. HA
- (0x0B24 ?B) ; LETTER TA
- (0x0B28 ?B) ; LETTER NA
- (0x0B2C 0x0B2E ?B) ; LETTER BA .. MA
- (0x0B2F ?Y) ; LETTER YA
- (0x0B30 ?R) ; LETTER RA
- (0x0B32 0x0B33 ?B) ; LETTER LA
- (0x0B33 ?B) ; LETTER LLA
- (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
- (0x0B48 0x0B4C ?t) ; VOWEL SIGN AI .. AU
- (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
- (0x0B64 0x0B65 ?X) ; DANDA .. DOUBLE DANDA
- (0x200C ?N) ; ZWNJ
- (0x200D ?J) ; ZWJ
- )
-
- (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)
- ;; Move ZWJ before the consonant.
- ("([CRBY]n?)(J)"
- (2 =) (1 = *))
- ("." =))
- *))
-
- ;; Syllable identification and reordering.
- ;; Do not apply 'rphf' if a syllable begins with a ZWJ.
- (generator
- (0
- (cond
- ;; A syllable with a ZWJ and a pre-base vowel sign.
- ;;1 23 4 5 6 7
- ("(J)(([CRBY]n?H)*[CRBY]n?)(m)(u)?(p)?(a)?"
- < | (1 =) (4 =) (2 pre-below) (5 =) (2 post) (6 =) (7 =) | >)
-
- ;; A syllable with a ZWJ and a non-pre-base vowel sign.
- ;;1 23 45 6 7
- ("(J)(([CRBY]n?H)*[CRBY]n?)(([bu])|(p))(a)?"
- < | (1 =) (2 pre-below) (5 =) (2 post) (6 =) (7 =) | >)
-
- ;; A syllable with a ZWJ and a vowel modifier, but without vowel signs.
- ;;1 23 4
- ("(J)(([CRBY]n?H)*[CRBY]n?)(a)"
- < | (1 =) (2 pre-below) (2 post) (4 =) | >)
-
- ;; Add a ZWNJ explicitly when a syllable ends with a halant.
- ;;1 23 4
- ("(J)(([CRBY]n?H)*[CRBY]n?)(HN?)?"
- < | (1 =) (2 pre-below) (4 = 0x200C) (2 post) | >)
-
- ;; With a pre-base vowel sign, without a ZWJ.
- ;;1 23 4 5 6 7
- ("(RH)?(([CRBY]n?H)*[CRBY]n?)(m)(u)?(p)?(a)?"
- < |
- (4 =) (2 pre-below) (5 =) (1 otf:orya=rphf) (2 post) (6 =) (7 =)
- | >)
-
- ;; With a non-pre-base vowel sign, without a ZWJ.
- ;; 1 23 45 6 7
- ("(RH)?(([CRBY]n?H)*[CRBY]n?)(([bu])|(p))(a)?"
- < | (2 pre-below) (5 =) (1 otf:orya=rphf) (2 post) (6 =) (7 =) | >)
-
- ;; With a vowel modifier, without vowel signs and a ZWJ.
- ;;1 23 4
- ("(RH)?(([CRBY]n?H)*[CRBY]n?)(a)"
- < | (2 pre-below) (1 otf:orya=rphf) (2 post) (4 =) | >)
-
- ;; Add a ZWNJ explicitly when a syllable ends with a halant.
- ;;1 23 4
- ("(RH)?(([CRBY]n?H)*[CRBY]n?)(HN?)?"
- < | (2 pre-below) (1 otf:orya=rphf) (4 = 0x200C) (2 post) | >)
-
- ;; A syllable starting with an independent vowel.
- ("Va?"
- < | = * | >)
-
- ("." =))
- *)
-
- ;; Move a halant after the base consonant to the end.
- ;; Fill the resulting gap with a special mark.
- ;; Remove post-base parts.
- (pre-below
- (cond
- ("([CRBYnH]*[CYn])H([RBH]+)[YH]+$"
- (1 = *) 0x0B00 (2 = *))
- ("([CRBYnH]*[CYn])(H)([RBH]+)$"
- (1 = *) 0x0B00 (3 = *) (2 =))
- ("([CRBYnH]*[Cn])[YH]*$"
- (1 = *) 0x0B00)
- ("([RB]n?)H([RBH]*)[YH]+$"
- (1 = *) 0x0B00 (2 = *))
- ("([RB]n?)(H)([RBH]*)$"
- (1 = *) 0x0B00 (3 = *) (2 =))
- ("([RBY]n?)[YH]*$"
- (1 = *) 0x0B00)))
-
- ;; Extract post-base parts and add a halant at the end.
- ;; Produce nothing if there are no post-base parts.
- (post
- (cond
- ("[CRBYnH]*[CRBn]H([YH]+)$"
- (1 = *) 0x0B4D)
- ("Yn?H([YH]+)$"
- (1 = *) 0x0B4D)
- (".+"
- )))
- )
-
- ;; Apply language forms to concerning segments.
- (generator
- (0
- (cond
- ;; If a syllable contains a ZWNJ, render the final halant explicitly.
- (" ([^Z]+)(Z)([^N]*)(HN)([^ ]*) "
- | (1 otf:orya=nukt,akhn,half,pres+) (2 =) (3 otf:orya=blwf+) (4 = =)
- (5 otf:orya=pstf+) |)
-
- (" (J?m?)([^Z]+)(Z)([^ ]*) "
- | (1 = *) (2 otf:orya=nukt,akhn,half,pres+) (3 =) (4 otf:orya=blwf,pstf+) |)
-
- ("." =))
- *))
-
- ;; When the number of glyphs between a pre-base vowel sign and the
- ;; post-base mark is more than one, move the pre-base vowel sign
- ;; before the final glyph.
- (generator
- (0
- (cond
- (" (J)?(m)([^Z]+)([^Z])Z([^N ]*)N?([^ ]*) "
- | (1 =) (3 = *) (2 =) (4 =) (5 = *) (6 = *)|)
- (" ([^Z]+)Z([^N ]*)N?([^ ]*) "
- | (1 = *) (2 = *) (3 = *) |)
- ("." =))
- *))
-
- ;; Apply other features.
- ;; Do not apply 'vatu' and 'blws' if there is a ZWJ.
- ;; The 'pres' feature is applied again for pre-base vowel sign.
- (generator
- (0
- (cond
- (" J([^ ]+) "
- (1 otf:orya=pres,abvs,pstp,haln+abvm,blwm,dist))
- (" ([^ ]+) "
- (1 otf:orya=vatu,pres,abvs,blws,pstp,haln+abvm,blwm,dist))
- ("."
- [ = ]))
- *))
-
- ;; Copyright (C) 2004, 2007, 2008
- ;; 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:
-