1 ;; ORYA-OTF.flt -- Font Layout Table for Oriya OpenType font
2 ;; Copyright (C) 2004, 2007, 2008 AIST (H15PRO112)
3 ;; See the end for copying conditions.
5 (font layouter orya-otf nil
6 (font (nil nil unicode-bmp :otf=orya=rphf)))
10 ;;; For Oriya OpenType fonts to draw the Oriya script.
13 ;; C: consonant (except for R, B and Y)
15 ;; B: consonant (below)
16 ;; Y: consonant (post)
19 ;; m: vowel sign (pre)
20 ;; u: vowel sign (above)
21 ;; b: vowel sign (below)
22 ;; p: vowel sign (post)
23 ;; t: vowel sign (two-part)
24 ;; A: vowel modifier (above)
25 ;; a: vowel modifier (post)
26 ;; V: independent vowel
27 ;; N: ZWNJ (ZERO WIDTH NON-JOINER)
28 ;; J: ZWJ (ZERO WIDTH JOINER)
31 (0x0B00 0x0B7F ?X) ; generic
32 (0x0B00 ?Z) ; internal use
33 (0x0B01 0x0B03 ?a) ; SIGN CANDRABINDU .. VISARGA
34 (0x0B05 0x0B14 ?V) ; LETTER A .. VOCALIC AU
35 (0x0B15 0x0B39 ?C) ; LETTER KA .. HA
36 (0x0B24 ?B) ; LETTER TA
37 (0x0B28 ?B) ; LETTER NA
38 (0x0B2C 0x0B2E ?B) ; LETTER BA .. MA
39 (0x0B2F ?Y) ; LETTER YA
40 (0x0B30 ?R) ; LETTER RA
41 (0x0B32 0x0B33 ?B) ; LETTER LA
42 (0x0B33 ?B) ; LETTER LLA
43 (0x0B3C ?n) ; SIGN NUKTA
44 (0x0B3E ?p) ; VOWEL SIGN AA
45 (0x0B3F ?u) ; VOWEL SIGN I
46 (0x0B40 ?p) ; VOWEL SIGN II
47 (0x0B41 0x0B44 ?b) ; VOWEL SIGN U .. VOCALIC RR
48 (0x0B47 ?m) ; VOWEL SIGN E
49 (0x0B48 0x0B4C ?t) ; VOWEL SIGN AI .. AU
50 (0x0B4D ?H) ; SIGN VIRAMA
51 (0x0B56 ?u) ; AI LENGTH MARK
52 (0x0B57 ?p) ; AU LENGTH MARK
53 (0x0B5C 0x0B5D ?C) ; LETTER RRA .. RHA
54 (0x0B5F ?Y) ; LETTER YYA
55 (0x0B60 0x0B61 ?V) ; LETTER VOCALIC RR .. LL
56 (0x0B62 0x0B63 ?b) ; VOWEL SIGN VOCALIC L .. LL
57 (0x0B71 ?C) ; LETTER WA
58 (0x0B64 0x0B65 ?X) ; DANDA .. DOUBLE DANDA
66 ;; Decompose two-part vowel signs.
73 ;; Compose consonant and nukta.
78 ;; Move ZWJ before the consonant.
84 ;; Syllable identification and reordering.
85 ;; Do not apply 'rphf' if a syllable begins with a ZWJ.
89 ;; A syllable with a ZWJ and a pre-base vowel sign.
91 ("(J)(([CRBY]n?H)*[CRBY]n?)(m)(u)?(p)?(a)?"
92 < | (1 =) (4 =) (2 pre-below) (5 =) (2 post) (6 =) (7 =) | >)
94 ;; A syllable with a ZWJ and a non-pre-base vowel sign.
96 ("(J)(([CRBY]n?H)*[CRBY]n?)(([bu])|(p))(a)?"
97 < | (1 =) (2 pre-below) (5 =) (2 post) (6 =) (7 =) | >)
99 ;; A syllable with a ZWJ and a vowel modifier, but without vowel signs.
101 ("(J)(([CRBY]n?H)*[CRBY]n?)(a)"
102 < | (1 =) (2 pre-below) (2 post) (4 =) | >)
104 ;; Add a ZWNJ explicitly when a syllable ends with a halant.
106 ("(J)(([CRBY]n?H)*[CRBY]n?)(HN?)?"
107 < | (1 =) (2 pre-below) (4 = 0x200C) (2 post) | >)
109 ;; With a pre-base vowel sign, without a ZWJ.
111 ("(RH)?(([CRBY]n?H)*[CRBY]n?)(m)(u)?(p)?(a)?"
113 (4 =) (2 pre-below) (5 =) (1 otf:orya=rphf) (2 post) (6 =) (7 =)
116 ;; With a non-pre-base vowel sign, without a ZWJ.
118 ("(RH)?(([CRBY]n?H)*[CRBY]n?)(([bu])|(p))(a)?"
119 < | (2 pre-below) (5 =) (1 otf:orya=rphf) (2 post) (6 =) (7 =) | >)
121 ;; With a vowel modifier, without vowel signs and a ZWJ.
123 ("(RH)?(([CRBY]n?H)*[CRBY]n?)(a)"
124 < | (2 pre-below) (1 otf:orya=rphf) (2 post) (4 =) | >)
126 ;; Add a ZWNJ explicitly when a syllable ends with a halant.
128 ("(RH)?(([CRBY]n?H)*[CRBY]n?)(HN?)?"
129 < | (2 pre-below) (1 otf:orya=rphf) (4 = 0x200C) (2 post) | >)
131 ;; A syllable starting with an independent vowel.
138 ;; Move a halant after the base consonant to the end.
139 ;; Fill the resulting gap with a special mark.
140 ;; Remove post-base parts.
143 ("([CRBYnH]*[CYn])H([RBH]+)[YH]+$"
144 (1 = *) 0x0B00 (2 = *))
145 ("([CRBYnH]*[CYn])(H)([RBH]+)$"
146 (1 = *) 0x0B00 (3 = *) (2 =))
147 ("([CRBYnH]*[Cn])[YH]*$"
149 ("([RB]n?)H([RBH]*)[YH]+$"
150 (1 = *) 0x0B00 (2 = *))
151 ("([RB]n?)(H)([RBH]*)$"
152 (1 = *) 0x0B00 (3 = *) (2 =))
156 ;; Extract post-base parts and add a halant at the end.
157 ;; Produce nothing if there are no post-base parts.
160 ("[CRBYnH]*[CRBn]H([YH]+)$"
168 ;; Apply language forms to concerning segments.
172 ;; If a syllable contains a ZWNJ, render the final halant explicitly.
173 (" ([^Z]+)(Z)([^N]*)(HN)([^ ]*) "
174 | (1 otf:orya=nukt,akhn,half,pres+) (2 =) (3 otf:orya=blwf+) (4 = =)
175 (5 otf:orya=pstf+) |)
177 (" (J?m?)([^Z]+)(Z)([^ ]*) "
178 | (1 = *) (2 otf:orya=nukt,akhn,half,pres+) (3 =) (4 otf:orya=blwf,pstf+) |)
183 ;; When the number of glyphs between a pre-base vowel sign and the
184 ;; post-base mark is more than one, move the pre-base vowel sign
185 ;; before the final glyph.
189 (" (J)?(m)([^Z]+)([^Z])Z([^N ]*)N?([^ ]*) "
190 | (1 =) (3 = *) (2 =) (4 =) (5 = *) (6 = *)|)
191 (" ([^Z]+)Z([^N ]*)N?([^ ]*) "
192 | (1 = *) (2 = *) (3 = *) |)
196 ;; Apply other features.
197 ;; Do not apply 'vatu' and 'blws' if there is a ZWJ.
198 ;; The 'pres' feature is applied again for pre-base vowel sign.
203 (1 otf:orya=pres,abvs,pstp,haln+abvm,blwm,dist))
205 (1 otf:orya=vatu,pres,abvs,blws,pstp,haln+abvm,blwm,dist))
210 ;; Copyright (C) 2004, 2007, 2008
211 ;; National Institute of Advanced Industrial Science and Technology (AIST)
212 ;; Registration Number H15PRO112
214 ;; This file is part of the m17n database; a sub-part of the m17n
217 ;; The m17n library is free software; you can redistribute it and/or
218 ;; modify it under the terms of the GNU Lesser General Public License
219 ;; as published by the Free Software Foundation; either version 2.1 of
220 ;; the License, or (at your option) any later version.
222 ;; The m17n library is distributed in the hope that it will be useful,
223 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
224 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
225 ;; Lesser General Public License for more details.
227 ;; You should have received a copy of the GNU Lesser General Public
228 ;; License along with the m17n library; if not, write to the Free
229 ;; Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
230 ;; Boston, MA 02110-1301, USA.