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File name : MYMR-MYAZEDI.flt
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;; MYMR-MYAZEDI.flt -- Font Layout Table for Myanmar (Zedi font)
;; Copyright (C) 2004, 2005, 2006, 2007, 2008  AIST (H15PRO112)
;; See the end for copying conditions.

(font layouter mymr-myazedi nil
      (font (nil myazedi_m17n unicode-bmp)))

;;; <li> MYMR-MYAZEDI.flt
;;;
;;; For the Myanmar Zedi family fonts to draw Myanmar script.
;;; <ul>
;;; <li> download: http://www.myazedi.com/downloads/MyaZedi_M17N.ttf
;;; </ul>

;; 1st stage
;; Extract syllable while detecting Kinzi, substituting subscripts,
;; and removing Halants.

(category
 (0x1000 0x107F ?O)			; other
 (0x1000 0x1021 ?C)			; consonant except for c, K, n, M
 (0x1000 0x1003 ?c)			; consonant that has subscript form
 (0x1004	?K)			; consonant NGA
 (0x1005 0x1008 ?c)
 (0x100B 0x100C ?c)
 (0x100F 0x1019 ?c)
 (0xE014 	?c)
 (0xE01B 	?c)
 (0x1014	?n)			; consonant NA
 (0x101C	?c)
 ;; cosonants that can be a Medial
 (0x101A	?M)			; medial Ya
 (0x101B	?M)			; medial Ra 
 (0x101D	?M)			; medial Wa
 (0x101F	?M)			; medial Ha
 (0x1021 0x102A ?I)			; independent vowel
 (0x102C 0x1032	?V)			; dependent Vowel
 (0x1036	?A)			; sign ANUSVARA
 (0x1037 0x1038	?S)			; other sign
 (0x1039	?H)			; HALANT (VIRAMA)
 (0x200C	?N)			; ZWNJ (Zero Width Non Joiner)
 (0x200D	?J)			; ZWJ (Zero Width Joiner)
 )

(generator
 (0
  (cond
   ;; The following regular expression matches a graphme cluster pattern
   ;; described in Table 10-3 of the Unicode Standard 4.0 except for
   ;; Kinzi which is encoded by the sequence "U+1004 U+1039 U+200D".
   ;; 
   ;;<-1-><---------2--------><--4--><--6---><7-><8->
   ;;              <---3--->   <5->
   ("(KHJ)([CcnKMr](H[CcnK])?)((HM)*)(V*A?H?)(N)?(S*)"
    | < (1 0xE390) (2 consonant) (4 remove-halant *) (6 = *) (7) (8 = *) > |)

   ;; Irregular independent Kinzi
   ("KHJ"
    [ 0xE390 ])

   ;; Cluster without Kinzi
   ("([CcnKMr](H[CcnK])?)((HM)*)(V*A?H?)(N)?(S*)"
    | < (1 consonant) (3 remove-halant *) (5 = *) (6) (7 = *) > |)

   ;; Fixme: I'm not sure about the syllable pattern for an
   ;; independent vowel.
   ("IV*[AS]*"
    | < = * > |)

   ;; Treat anything else as a single character.
   ("."
    [ = ]))
  *)

 (consonant
  (cond
   ((0x100B 0x1039 0x100C) 0xE10C)
   ((0x100D 0x1039 0x100D) 0xE00D)
   ((0x100E 0x1039 0x100D) 0xE10D)
   ((0x100F 0x1039 0x100D) 0xE20D)
   ((0x101E 0x1039 0x101E) 0xE01E)
   ("(n)H([cn])" 0xE140 (2 subscript))
   ("(.)H([cn])" (1 =) (2 subscript))
   ("(.)H(.)" (1 =) (2 =))
   ("." =)))

 (subscript
  (cond ((range 0x1000 0x101C) 0xE000)))

 (remove-halant
  (cond
   ((0x1039))
   ("." =))))

;; 2nd stage
;; Handle medials.

(category
 (0x1000 0x107F ?O)			; other
 (0x1000 0x1021 ?W)			; wide consonant
 (0x1001 0x1002 ?S)			; single-width consonant
 (0x1004 0x1005 ?S)
 (0x1007 0x1008	?S)
 (0x100B 0x100E	?S)
 (0x1012 0x1017 ?S)
 (0x1019	?S)
 (0x101A	?a)			; medial Ya
 (0x101B	?b)			; medial Ra
 (0x101D	?d)			; medial Wa
 (0x101F	?f)			; medial Ha
 (0x1020	?S)
 (0x102D 0x102E ?V)			; dependent vowel (upper)
 (0x1032	?V)
 (0x200C	?N)			; ZWNJ
 (0xE000 0xE3FF ?O)
 (0xE000 0xE01E ?w)			; wide subscript
 (0xE001 0xE002 ?s)			; single-width subscript
 (0xE005	?s)
 (0xE007	?s)
 (0xE00B	?s)
 (0xE012 0xE017 ?s)
 (0xE019	?s)
 (0xE10C 0xE10D ?s)
 (0xE140	?s)
 (0xE20D	?w)
 (0xE390	?K)			; Kinzi
 )

(generator
 (0
  (cond
   (" (K)?([WSabdfws][WSKws]?[abdf][abdf]*[^ ]*) "
    | (1 =) (2 medial = *) |)
   (" ([^ ]*) "
    = *)
   ("."
    =))
  *)

 (medial
  (cond
   ;; Medial Ya (U+101A)
   ("(..?)adf"	(1 = *) 0xE1A2)
   ("(..?)ad"	(1 = *) 0xE1A4)
   ("(..?)af"	(1 = *) 0xE1A3)
   ("(..?)a"	(1 = *) 0xE1A1)

   ;; Medial Ra (U+101B)
   ("([Waf]|.[Ww])bdf"	0xE1BA (1 = *))
   ("(..?)bdf"		0xE1B9 (1 = *))
   ("([Waf]|.[Ww])bd"	0xE1B8 (1 = *))
   ("(..?)bd"		0xE1B7 (1 = *))
   ("([Waf]|.[Ww])b(f)?(V)"	0xE1B6 (1 = *) (2 0xE1F3) (3 =))
   ("(..?)b(f)?(V)"		0xE1B5 (1 = *) (2 0xE1F3) (3 =))
   ;; Single-width consonant + a wide subscript + Medial Ra.
   ;; To use glyph E1B4, we must shift the single-width consonant to
   ;; the right.
   ("([Sd][Ww])b"	0xE1B4 Br>32Bl (1 = *))
   ("([Waf].|.[Ww])b"	0xE1B4 (1 = *))
   ("(s|..)b"		0xE1B3 (1 = *))
   ("([Waf])b(f)?"	0xE1B2 (1 = *) (2 0xE1F3))
   ("(.)b(f)?"		0xE1B1 (1 = *) (2 0xE1F3))
   
   ;; Medial Wa (U+101D)
   ("(..?)df"		(1 = *) 0xE1D1)
   ("(..?)d"		(1 = *) 0xE01D)

   ;; Medial Ha (U+101F)
   ((0x100A 0x101F)	0x100A 0xE1F3)
   ("(..?)f"		(1 = *) 0xE1F1))))

;; 3rd stage
;; Reorder Kinzi and Vowel E.  Handle Kinzi-vowel combination.

(category
 (0x1000 0x107F ?O)
 (0x1000 0x1021 ?C)			; Consonants except for c
 (0x1001 0x1002 ?c)			; Consonants affecting the shape of 
 (0x1004	?c)			;   the following vowel U+102C
 (0x1012	?c)
 (0x1015	?c)
 (0x101D	?c)
 (0x1008	?b)
 (0x100A 0x100D	?b)
 (0x1020	?b)
 (0x1025	?b)
 (0x102C	?A)			; Vowel AA
 (0x102D	?i)			; Vowel I
 (0x102E	?I)			; Vowel II
 (0x102F	?u)			; Vowel U
 (0x1030	?U)			; Vowel UU
 (0x1031	?e)			; Vowel E
 (0x1032	?V)			; Vowel AI
 (0x1036 0x1038	?D)
 (0x1039	?H)
 (0x200C	?N)
 (0x200D	?J)
 (0xE000 0xE3FF ?O)
 (0xE000 0xE01D ?b)
 (0xE140	?B)
 (0xE1A1 0xE1B0 ?b)
 (0xE1B1 0xE1BA ?B)
 (0xE1D1 0xE1F1 ?B)
 (0xE20D	?b)
 (0xE390	?K)			; Kinzi
 )

(generator
 (0
  (cond
   (" K([CcbB]*)(e)([^ ]*) "
    | (2 =) (1 = *) (3 kinzi-vowel = *) |)
   (" K([CcbB]*)([^ ]*) "
    | (1 = *) (2 kinzi-vowel = *) |)
   (" ([CcbB]*)(e)([^ ]*) "
    | (2 =) (1 = *) (3 = *) |)
   (" ([^ ]*) "
    = *)
   ("."
    =))
  *)

 (kinzi-vowel
  (cond
   ((0x102D) 0xE391)
   ((0x102E) 0xE391)
   ((0x1036) 0xE393)
   0xE390)))

;; 4th stage
;; Various glyph substitions.

(generator
 (0
  (cond
   (" ([^ ]*) "
    |
    (1
     (cond
      ;; Consonant substituion.
      ((0x1009 0x1039) 0x1025 0x1039)
      ((0x1009 0xE005) 0xE109 Br>5Bl 0xE005)
;;       ((0x101B 0x102F) 0xE01B 0x102F)
;;       ((0x101B 0x1030) 0xE01B 0x1030)
;;       ((0x1014 0x102F) 0xE140 0x102F)
;;       ((0x1014 0x1030) 0xE140 0x1030)

;;       ;; Sign substituion.
;;       ((0x102F 0x1037) 0x102F 0xE137)
;;       ((0x1030 0x1037) 0x1030 0xE137)
;;       ((0xE01D 0x1037) 0xE01D 0xE137)
;;       ((0xE1A1 0x1036 0x1037) 0xE1A1 0x1036 0xE137)
;;       ((0xE1A1 0x1032 0x1037) 0xE1A1 0x1032 0xE137)
;;       ((0xE01D 0x1032 0x1037) 0xE01D 0x1032 0xE137)
;;       ((0xE01D 0x1036 0x1037) 0xE01D 0x1036 0xE137)

      ;; Vowel substituion.
      ((0xE1F1 0x102F)	0xE1F2)
      ((0xE1F1 0x102D 0x102F)	0xE1F2 0x102D)
      ((0xE1F1 0x102E 0x102F)	0xE1F2 0x102E)
      ((0xE1F1 0x1032 0x102F)	0xE1F2 0x1032)
      ("BcK?A"		= = = =)
      ("cAH"		= 0xE02D)
      ("cA"		= 0xE02C)
      ("cKA"		= = Br>Bl 0xE02C)
      ((0x1012 0xE012 0x102C 0x1039) = = 0xE02D)
      ((0x1012 0xE01D 0x102C 0x1039) = = 0xE02D)
      ((0x1012 0xE012 0x102C) = = 0xE02C)
      ((0x1012 0xE01D 0x102C) = = 0xE02C)
      ((0x102D 0x1036)	0xE2D1)
      ("([bB][^u]*)u"	(1 = *) 0xE2F1)
      ("([bB][^u]*)U"	(1 = *) 0xE2F2)
      ("." =))
     *)
    |)
   ("."
    =))
  *))

;; 5th stage
;; Adjust below characters (U+102F, U+1037, etc)

(category
 (0x1000 0x107F ?O)
 (0x200C 0x200D	?O)
 (0xE000 0xE3FF ?O)
 (0x1014	?T)			; tall consonant (substituted)
 (0x101B	?T)
 (0x102F 0x1030	?B)			; below position (substitute tall one)
 (0x1037	?b)			; shift to right
 (0xE01D	?B)
 (0xE1A1	?B)
 (0xE1D1	?B)
 (0xE1B1 0xE1BA ?L)
 (0xE1F1 0xE1F2	?B)
 (0xE2F1 0xE2F2 ?L)			; has lower part
 )

(generator
 (0
  (cond
   (" ([^ ]*) "
    |
    (1
     (cond
      ("(T)(B)([OL])?(b)?"
       (1 (cond ((0x1014) 0xE140) ((0x101B) 0xE01B)))
       (2 =)
       (3 = *)
       (4 0xE137))
      ("([TBL])(O*)?(b)"
       (1 =) (2 = *) (3 0xE137))
      ("." =))
     *)
    |)
   ("OO*" = *)
   ("." =))
  *))

;; 6th stage
;; Adjust conbination of normal consonant and wide subconsonant.

(category
 (0x1000 0x107F ?O)
 (0x200C 0x200D	?O)
 (0xE000 0xE3FF ?O)
 (0x1001 0x1002 ?n)
 (0x1004 0x1005 ?n)
 (0x1007	?n)
 (0x100E	?n)
 (0x1012 0x1013 ?n)
 (0x1015 0x1017 ?n)
 (0x1019	?n)
 (0x101D	?n)
 (0xE000	?w)
 (0xE003	?w)
 (0xE006	?w)
 (0xE00C	?w)
 (0xE00F	?w)
 (0xE010 0xE011 ?w)
 (0xE018	?w))

(generator
 (0
  (cond
   (" (n)(w)([^ ]*) "
    \[ (1 =) (2 Br>17Bl =) (3 = *))
   (" ([^ ]*) "
    (1 = *))
   ("."
    =))
  *))

;; Copyright (C) 2004, 2005, 2006, 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: emacs-lisp
;; coding: utf-8
;; End: