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Filename : SYRC-OTF.flt
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;; SYRC-OTF.flt -- Font Layout Table for Syriac OpenType font
;; Copyright (C) 2004, 2007  AIST (H15PRO112)
;; See the end for copying conditions.

(font layouter syrc-otf nil
      (font (nil nil unicode-bmp :otf=syrc)))

;;; <li> SYRC-OTF.flt
;;;
;;; For Syriac OpenType fonts to draw the Syriac script.

;; Step 1: Initial, medial, or final.

(category
 ;; D: Dual-joining
 ;; R: Right-joining
 ;; U: Non-joining
 ;; T: Transparent
 ;; A: ALAPH
 ;; r: DALATH, RISH, DOTLESS DALATH RISH

 (0x0700 0x071F	?U)
 (0x0710	?A)
 (0x0711	?T)
 (0x0712 0x072E ?D)
 (0x0715 0x0716	?r)
 (0x0717 0x0719	?R)
 (0x071E	?R)
 (0x0728	?R)
 (0x072A	?r)
 (0x072C	?R)
 (0x072F	?R)
 (0x0730 0x074A ?T)
 (0x074D	?R)
 (0x074E 0x074F	?D)

 (0x0303	?T)
 (0x0330	?T)
 (0x0304	?T)
 (0x0331	?T)
 (0x0307	?T)
 (0x0323	?T)
 (0x0308	?T)
 (0x030A	?T)
 (0x0325	?T)
 (0x0324	?T)
 (0x032D	?T)
 (0x032E	?T)

 (0x064B 0x0655	?T)
 (0x0670	?T)

 (0x200C	?U)
 (0x200D	?D)
 )

(generator
 (0
  (cond
   ("(r)(T*)(.*)"
    (1 otf:syrc=isol)
    (2 = *)
    (3 dalath-rish))

   ("(D)(T*)([DRAr].*)"
    (1 otf:syrc=init)
    (2 = *)
    (3 join))

   ("(T+)(.*)"
    (1 = *)
    (2 disjoin))

   ("(.)(T*)(.*)"
    (1 otf:syrc=isol)
    (2 = *)
    (3 disjoin))))

 (join
  (cond
   ("(r)(T*)(.*)"
    (1 otf:syrc=fina)
    (2 = *)
    (3 dalath-rish))

   ("(D)(T*)([DRrA].*)"
    (1 otf:syrc=medi)
    (2 = *)
    (3 join))

   ("(.)(T*)(.*)"
    (1 otf:syrc=fina)
    (2 = *)
    (3 disjoin))))

 (disjoin
  (cond
   ("(D)(T*)([DRAr].*)"
    (1 otf:syrc=init)
    (2 = *)
    (3 join))

   ("(r)(T*)(.*)"
    (1 otf:syrc=isol)
    (2 = *)
    (3 dalath-rish))

   ("(A)(T*)([DRAr].*)"
    (1 otf:syrc=med2)
    (2 = *)
    (3 disjoin))

   ("(A)(T*)(.*)"
    (1 otf:syrc=fin2)
    (2 = *)
    (3 disjoin))

   ("(.)(T*)(.*)"
    (1 otf:syrc=isol)
    (2 = *)
    (3 disjoin))))

 (dalath-rish
  (cond
   ("(D)(T*)([DRAr].*)"
    (1 otf:syrc=init)
    (2 = *)
    (3 join))

   ("(r)(T*)(.*)"
    (1 otf:syrc=isol)
    (2 = *)
    (3 dalath-rish))

   ("(A)(T*)([DRAr].*)"
    (1 otf:syrc=med2)
    (2 = *)
    (3 disjoin))

   ("(A)(T*)(.*)"
    (1 otf:syrc=fin3)
    (2 = *)
    (3 disjoin))

   ("(.)(T*)(.*)"
    (1 otf:syrc=isol)
    (2 = *)
    (3 disjoin)))))

;; Step 2: Other GSUB features (ligatures, etc.)

(generator
 (0
  otf:syrc=rlig,calt,liga,dlig))

;; Step 3: GPOS features.

(generator
 (0
  otf:syrc=))

;; Copyright (C) 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: