From: ntakahas Date: Wed, 30 Jun 2004 12:36:01 +0000 (+0000) Subject: New file. X-Git-Tag: REL-1-1-0~83 X-Git-Url: http://git.chise.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=75d64c9514e273b050ac0e901defbe156689caa1;p=m17n%2Fm17n-db.git New file. --- diff --git a/KAN-OTF.flt b/KAN-OTF.flt new file mode 100644 index 0000000..073c3a9 --- /dev/null +++ b/KAN-OTF.flt @@ -0,0 +1,167 @@ +;; KAN-OTF.flt -- Font Layout Table for Kannada OpenType fonts +;; Copyright (C) 2004 +;; 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., 59 Temple Place, Suite 330, Boston, MA +;; 02111-1307, USA. + +;;;
  • KAN-OTF.flt +;;; +;;; For Kannada OpenType fonts to draw Kannada. +;;; Designed for Sampige.ttf + +(category + ;; C: general consonant + ;; R: no below-base consonat (RRA, NNNA, LLLA) + ;; r: RA + ;; H: HALANT + ;; u: MATRA (above) + ;; p: MATRA (post) + ;; t: MATRA (two-part) + ;; T: MATRA (three-part) + ;; a: vowel modifier (post) + ;; V: independent vowel + ;; N: ZWNJ (ZERO WIDTH NON-JOINER) + ;; J: ZWJ (ZERO WIDTH JOINER) + ;; E: ELSE + ;; + (0x200C ?N) ; ZWNJ + (0x200D ?J) ; ZWJ + (0x0964 ?E) ; DANDA + (0x0965 ?E) ; DOUBLE DANDA + (0x0C80 0x0CFF ?E) ; ELSE + (0x0C82 ?a) ; SIGN ANUSVARA + (0x0C83 ?a) ; SIGN VISARGA + (0x0C85 0x0C94 ?V) ; LETTER A .. LETTER AU + (0x0C95 0x0CB9 ?C) ; LETTER KA .. LETTER HA + (0x0CB0 ?r) ; LETTER RA + (0x0CBC ?n) ; SIGN NUKTA + (0x0CBD ?E) ; SIGN AVAGRAHA + (0x0CBE ?p) ; VOWEL SIGN AA (post) + (0x0CBF ?u) ; VOWEL SIGN I (above) + (0x0CC0 ?t) ; VOWEL SIGN II (two-part) + (0x0CC1 0x0CC4 ?p) ; VOWEL SIGN U, UU, R, RR (post) + (0x0CC6 ?u) ; VOWEL SIGN E (above) + (0x0CC7 0x0CCA ?t) ; VOWEL SIGN EE, AI, O (two-part) + (0x0CCB ?T) ; VOWEL SIGN OO (three-part) + (0x0CCC ?u) ; VOWEL SIGN AU (above) + (0x0CCD ?H) ; SIGN VIRAMA (HALANT) + (0x0CD5 ?l) ; LENGTH MARK (length post) + (0x0CD6 ?l) ; AI LENGTH MARK (length post) + (0x0CDE ?C) ; LETTER FA (LLLA) + (0x0CE0 0x0CE1 ?V) ; LETTER VOCALIC RR, LL + (0x0CFD ?Z) ; internal use + (0x0CFE ?Y) ; internal use + (0x0CFF ?X) ; internal use + ) + +;; Step 1 : Syllable identification and Halant movement. +(generator + (0 + (cond + ;; A syllable containing a three-part vowel sign. + ("([CRr](H[Cr])*)(T)(a)?" + < | (1 move-base-Halant) (3 0x0CC6 0x0CC2 0x0CD5) (4 =) | >) + + ;; A syllable containing a two-part vowel sign. + ("([CRr](H[Cr])*)(t)(a)?" + < | (1 move-base-Halant) (3 two-part) (4 =) | >) + + ;; A syllable ending with vowel signs and/or a vowel modifier. + ("([CRr](H[Cr])*)([upl]+a?|a)" + < | (1 move-base-Halant) (3 = *) | >) + + ;; Forced Halant form. + ("((RH)?([Cr]H)*)([Cr]H)N" + < | (1 move-base-Halant) | > + < | (4 move-base-Halant) | >) + + ;; Forced Half form. + ("((RH)?([Cr]H)*)([Cr]H)J" + < | (1 move-base-Halant) > + < | (4 otf:knda=blwf) | >) + + ;; A syllable without a vowel sign nor a vowel modifier. + ("[CRr](H[Cr])*H?" + < | move-base-Halant | >) + + ;; A syllable starting with an independent vowel. + ("Va?" + < | = * | > ) + + ("." =)) + *) + + ;; Move Halant on the base consonant to the tail if the syllable ends + ;; with a consonant. + ;; A leading 0x0CFF means Halant movement. + ;; A leading 0x0CFE means a syllable ending with a Halant. + ;; A leading 0x0CFD means Halant & Reph movements. + (move-base-Halant + (cond + (".*H$" + 0x0CFE = *) + ("(rH)(.)$" + 0x0CFD (2 =) (1 = =)) + ("(rH)(.)(H)(.*)" + 0x0CFD (2 =) (4 = *) (3 =) (1 = =)) + ("(.)(H)(.*)" + 0x0CFF (1 =) (3 = *) (2 =)) + (".*" + = *))) + + ;; Divide a two-part Matra into elements. + (two-part + (cond + ((0x0CC0) 0x0CBF 0x0CD5) + ((0x0CC7) 0x0CC6 0x0CD5) + ((0x0CC8) 0x0CC6 0x0CD6) + ((0x0CCA) 0x0CC6 0x0CC2))) + ) + +;; Step 2 : Move Matra if applicable. +;; The base consonant in a Halant-ending syllable is changed into Halant form. +(generator + (0 + (cond + ;; 1 2 3 4 5 6 7 + (" Z(.)([CrH]*)(rH)(u)?(p)?(l*)(a)? " + | (1 =) (4 =) (5 =) (2 = *) (6 = *) (3 otf:knda=rphf) (7 =) |) + ;; 1 2 3 4 5 6 + (" X(.)([CrH]*)(u)?(p)?(l*)(a)? " + | (1 =) (3 =) (4 =) (2 = *) (5 = *) (6 =) |) + (" Y(..)([^ ]*) " + ;; Sampige.ttf lacks the haln feature, so "otf:knda=haln" does not work. + | (1 otf:knda=~rphf,~blwf,*) (2 = *) |) + ("." =)) + *)) + +;; Step 3 : Drive OTF tables. +(generator + (0 + (cond + (" ([^ ]*) " + (1 otf:knda=~rphf,*)) + ("." + [ otf:knda=+ ])) + *)) + +;; Local Variables: +;; mode: emacs-lisp +;; End: