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Filename : THAI-NORASI.flt
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;; THAI-NORASI.flt -- Font Layout Table for Thai (Norasi font)
;; Copyright (C) 2003, 2004, 2007  AIST (H15PRO112)
;; See the end for copying conditions.

(font layouter thai-norasi nil
      (font (nil norasi unicode-bmp)))

;;; <li> THAI-NORASI.flt
;;;
;;; For the Thai Norasi family fonts to draw Thai script.  The fonts are
;;; available at:
;;; <ul>
;;; <li> debian package: ttf-thai-tlwg
;;; </ul>

;; 1st stage: basic composition of CVT
(category
 ;; C: CONSONANT
 ;; V: VOWEL upper and lower
 ;; A: SARA-AM
 ;; T: TONE
 ;; E: else
 (0x0E00 0x0E5F ?E)
 (0x0E01 0x0E2E	?C)
 (0x0E31	?V)
 (0x0E33	?A)
 (0x0E34 0x0E3A	?V)
 (0x0E47	?V)
 (0x0E48 0x0E4E	?T)
 )

(generator
 (0
  (cond
   ("(C)(T)?(A)"			; SARA-AM -> NIKHAHIT+SARA-AA
    (1 = 0x0E4D) (2 =) (3 0x0E32))
   ("(C)(T)(V)?"			; CTV -> CVT
    (1 =) (3 =) (2 =))
   ("(C)(V)?(T)?"
    (1 =) (2 =) (3 =))
   ("[^C]"
    =))
  *))

(category
 ;; C: CONSONANT tall
 ;; c: CONSONANT normal
 ;; d: CONSONANT deep
 ;; V: VOWEL upper, NIKHAHIT, and YAMAKKAN
 ;; v: VOWEL lower
 ;; T: TONE
 ;; E: ELSE
 (0x0E00 0x0E5F	?E)
 (0x0E01 0x0E2E	?c)
 (0x0E0D 0x0E10	?d)
 (0x0E1B	?C)
 (0x0E1D	?C)
 (0x0E1F	?C)
 (0x0E2C	?C)
 (0x0E31	?V)
 (0x0E34 0x0E37	?V)
 (0x0E38 0x0E3A	?v)
 (0x0E47	?V)
 (0x0E48 0x0E4C	?T)
 (0x0E4D 0x0E4E	?V)
 (0x25CC	?E))

(generator
 (0
  (cond 
   ("(C)(V)(T)?"
    < (1 =) (2 vowel-upper-left) (3 tone-high-left) >)
   ("(C)(v)?(T)?"
    < (1 =) (2 =) (3 tone-low-left) >)
   ("([cd])(V)(T)?"
    < (1 =) (2 =) (3 =) >)
   ("(c)(v)?(T)?"
    < (1 =) (2 =) (3 tone-low) >)
   ("(d)(v)?(T)?"
    < (1 =) (2 vowel-deep) (3 tone-low) >)
   ("[VvT]"
    (cond ((font-facility 0x25CC) < 0x25CC = > ) ("." [ = ] )))
   ("."
    =))
  *)

 (vowel-upper-left
  (cond
   ((0x0E31) =)
   ((range 0x0E34 0x0E37) 0xF701)
   ((0x0E47) =)
   ((0x0E4D) 0xF711)
   ((0x0E4E) =)))

 (vowel-deep
  ((range 0x0E38 0x0E3A) 0xF718))

 (tone-high-left
  ((range 0x0E48 0x0E4C) 0xF713))

 (tone-low-left
  ((range 0x0E48 0x0E4C) 0xF705))

 (tone-low
  ((range 0x0E48 0x0E4C) 0xF70A)))

;; Copyright (C) 2003, 2004, 2007
;;   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: lisp
;; End: