1 /* Copyright (C) 2003, 2004
2 National Institute of Advanced Industrial Science and Technology (AIST)
3 Registration Number H15PRO112
4 See the end for copying conditions. */
8 @page mdbFLT ¥Õ¥©¥ó¥È¥ì¥¤¥¢¥¦¥È¥Æ¡¼¥Ö¥ë
10 @section flt-description ÀâÌÀ
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16 £²¼¡¸µÅª¤Ë¤º¤é¤·¤¿°ÌÃÖ¤ËÉÁ¤«¤Ê¤¯¤Æ¤Ï¤Ê¤é¤Ê¤¤¥°¥ê¥Õ¤¬¤¢¤Ã¤¿¤ê¤¹¤ë¡£
18 ¤³¤Î¤è¤¦¤ÊÊ£»¨¤Ê¥¹¥¯¥ê¥×¥È¤ò½èÍý¤¹¤ë¤¿¤á¡¢m17n ¥é¥¤¥Ö¥é¥ê¤Ï¥Õ¥©¥ó¥È¥ì
19 ¥¤¥¢¥¦¥È¥Æ¡¼¥Ö¥ë (û½Ì¤·¤Æ FLT ¤È¸Æ¤Ö¤³¤È¤Ë¤¹¤ë) ¤òÍѤ¤¤ë¡£FLT ¥É¥é¥¤
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23 FLT ¤Ï OpenType Layout Table ¤Ë¸«¤é¤ì¤ë¾ðÊó (CMAP, GSUB, and GPOS) ¤Ë
24 ²Ã¤¨¤Æ¡¢Ê¸»úÎ󤫤é½ñµÁÇ (grapheme) ¥¯¥é¥¹¥¿¤òÃê½Ð¤·¤¿¤ê¡¢¥¯¥é¥¹¥¿Æâ¤Ç
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83 FONT-LAYOUT-TABLE ::= STAGE0 STAGE *
85 STAGE0 ::= CATEGORY-TABLE GENERATOR
87 STAGE ::= CATEGORY-TABLE ? GENERATOR
89 CATEGORY-TABLE ::= '(' 'category' CATEGORY-SPEC + ')'
91 CATEGORY-SPEC ::= '(' CODE CATEGORY ')'
92 | '(' CODE CODE CATEGORY ')'
99 @c CATEGORY-SPEC ¤ÎÄêµÁÃæ¤Ç¡¢ @c CODE ¤Ï¥°¥ê¥Õ¥³¡¼¥É @c CATEGORY ¤ÏÂç
100 ʸ»ú¤¢¤ë¤¤¤Ï¾®Ê¸»ú¤Î ASCII code¡¢¤¹¤Ê¤ï¤Á 'A', ... 'Z', 'a', .. 'z' ¤Î
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108 GENERATOR ::= '(' 'generator' RULE MACRO-DEF * ')'
110 RULE ::= REGEXP-BLOCK | MATCH-BLOCK | SUBST-BLOCK | COND-BLOCK
111 | DIRECT-CODE | COMBINING-SPEC | OTF-SPEC
112 | PREDEFINED-RULE | MACRO-NAME
114 MACOR-DEF ::= '(' MACRO-NAME RULE + ')'
117 ³Æ @c RULE ¤Ï¡¢¾ÃÈñ¤¹¤ë¥°¥ê¥Õ¤ÈÀ¸À®¤¹¤ë¥°¥ê¥Õ¤ò»ØÄꤹ¤ë¡£¡Ö¾ÃÈñ¤µ¤ì¤¿¡×
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194 MATCH-BLOCK ::= '(' MATCH-INDEX RULE * ')'
196 MATCH-INDEX ::= INTEGER
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210 SUBST-BLOCK ::= '(' SOURCE-PATTERN RULE * ')'
212 SOURCE-PATTERN ::= '(' CODE + ')'
213 | (' 'range' CODE CODE ')'
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248 LANGSYS ::= '/' SYMBOL
250 GSUB-FEATURES ::= '=' FEATURE-LIST ?
252 GPOS-FEATURES ::= '+' FEATURE-LIST ?
254 FEATURE-LIST ::= ( SYMBOL ',' ) * [ SYMBOL | '*' ]
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275 Á´¤Æ¤Î¥¿¥°Ì¾¤Ï ASCII ¤Î£´Ê¸»ú¤Ç¤¢¤ë¤³¤È¡£
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278 <http://www.microsoft.com/typography/otspec/default.htm>
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292 VPOS ::= 't' | 'c' | 'b' | 'B'
294 HPOS ::= 'l' | 'c' | 'r'
296 OFFSET :: = '.' | XOFF | YOFF XOFF ?
298 XOFF ::= ('<' | '>') INTEGER ?
300 YOFF ::= ('+' | '-') INTEGER ?
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308 0----1----2 <---- top 0 t l
312 9 10 11 <---- center 4 B c
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316 6----7----8 <---- bottom 8 b r
319 left center right 11 c r
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334 @c OFFSET ¤Ï½Å¤Ê¤ê¤«Â¾¤Î¾ÜºÙ¤ò»ØÄꤹ¤ë¡£'.' ¤Ç¤¢¤ì¤Ð¡¢»²¾ÈÅÀÆó¤Ä¤ÏƱ¤¸
337 @c XOFF ¤Ï¡¢¼¡¤Î¥°¥ê¥Õ¤Î»²¾ÈÅÀ¤Î X ºÂɸ¤ò¡¢Á°¤Î»²¾ÈÅÀ¤«¤é¤É¤ì¤Û¤É±¦
338 ('<') ¤¢¤ë¤¤¤Ïº¸ ('>') ¤Ø¤º¤é¤¹¤«»ØÄꤹ¤ë¡£
340 @c YOFF ¤Ï¡¢¼¡¤Î¥°¥ê¥Õ¤Î»²¾ÈÅÀ¤Î Y ºÂɸ¤ò¡¢Á°¤Î»²¾ÈÅÀ¤«¤é¤É¤ì¤Û¤É¾å
341 ('+') ¤¢¤ë¤¤¤Ï²¼ ('-') ¤Ø¤º¤é¤¹¤«»ØÄꤹ¤ë¡£
343 ¤É¤Á¤é¤Î¾ì¹ç¤Ë¤â¡¢@c INTEGER ¤Ï¥Õ¥©¥ó¥È¥µ¥¤¥º¤Î²¿¡ó¤º¤é¤¹¤«¤ò¼¨¤¹ÃͤÇ
344 ¤¢¤ë¡£¤¹¤Ê¤ï¤Á¡¢¤â¤· @c INTEGER ¤¬ 10 ¤Ê¤é¤Ð¥Õ¥©¥ó¥È¥µ¥¤¥º¤Î10% (1/10)
345 ¤º¤é¤¹¤³¤È¤Ë¤Ê¤ë¡£ @c INTEGER ¤¬¾Êά¤µ¤ì¤¿¾ì¹ç¤Ë¤Ï¡¢5 ¤¬»ØÄꤵ¤ì¤¿¤â¤Î
348 ¼¡¤Î¥°¥ê¥Õ¤¬Á°¤Î¥°¥ê¥Õ¤Ë·ë¹ç¤µ¤ì¤ë¤È¡¢¤½¤ì¤é¤Ï°ì¤Ä¤Î·ë¹ç¥°¥ê¥Õ¤È¤·¤Æ°·
352 MACRO-NAME ::= SYMBOL
355 @c MACRO-NAME ¤Ï @c MACRO-DEF ¤Î¤¤¤º¤ì¤«¤Ë¸½¤ï¤ì¤ë¥·¥ó¥Ü¥ë¤Ç¤¢¤ê¡¢Âбþ
356 ¤¹¤ë@c RULE ¤ÎÎó¤ËŸ³«¤µ¤ì¤ë¡£
358 @section flt-context-dependent ʸ̮¤Ë°Í¸¤¹¤ë¿¶Éñ
360 ¤³¤³¤Þ¤Ç¤Ï¡¢ÆÃÄê¤Î¥Õ¥©¥ó¥È¤ÇÉÁ¤«¤ì¤ë³Æʸ»ú¡¿¥°¥ê¥ÕÎó¤¬Ê¸Ì®¼«Í³¤Ç¤¢¤ë¤³
361 ¤È¡¢¤¹¤Ê¤ï¤ÁÁ°¸å¤Î¥°¥ê¥Õ¤Ë±Æ¶Á¤µ¤ì¤Ê¤¤¤³¤È¤òÁ°Äó¤È¤·¤Æ¤¤¿¡£¤³¤ì¤Ï¡¢Îó
362 S1 ¤¬¥Õ¥©¥ó¥ÈF1 ¤Ë¤è¤Ã¤ÆÉÁ¤«¤ì¡¢Àè¹Ô¤¹¤ëÎó S0 ¤¬¾ï¤Ë¥Õ¥©¥ó¥È F0 ¤òÍ×µá
368 ÍøÍѲÄǽ¤Ê¥Õ¥©¥ó¥È F0 F1
371 ¤·¤«¤·»þ¤Ë¤Ï¡¢Îó¤òÌÀ³Î¤Ë¶èÀڤ뤳¤È¤¬¤Ç¤¤Ê¤¤¾ì¹ç¤â¤¢¤ë¡£Àè¹Ô¤¹¤ëÎó S0
372 ¤¬ F0 ¤À¤±¤Ç¤Ê¤¯ F1 ¤Ç¤âÉÁ¤±¤ë¤È¤·¤è¤¦¡£
377 ÍøÍѲÄǽ¤Ê¥Õ¥©¥ó¥È F0,F1 F1
380 ¤³¤Î¾ì¹ç¡¢Àè¹Ô¤¹¤ë S0 ¤òÉÁ¤¯¤¿¤á¤Ë»È¤ï¤ì¤¿¥°¥ê¥Õ¤¬ S1 ¤Î¥°¥ê¥Õ¤ÎÀ¸À®¤Ë
381 ±Æ¶Á¤òÍ¿¤¨¤ë¤³¤È¤â¤¢¤ë¡£¤½¤³¤Ç S1 ¤Î½èÍý¤ÎºÝ¤Ë¤¹¤Ç¤Ë½èÍý¤Î½ª¤Ã¤¿ S0 ¤Ë
382 ´Ø¤¹¤ë¾ðÊó¤Ë¥¢¥¯¥»¥¹¤¹¤ëɬÍפ¬¤¢¤ë¡£ºÇ½é¤Î¥¹¥Æ¡¼¥¸¡Ê¤³¤Î¥¹¥Æ¡¼¥¸¤Î¤ß¡Ë
383 ¤ÎÀ¸À®µ¬Â§¤Ï¡¢½èÍýºÑ¤ß¤ÎÉôʬ¤Ø¥¢¥¯¥»¥¹¤¹¤ëÆÃÊ̤ÊÀµµ¬É½¸½¤òµö¤·¤Æ¤¤¤ë¡£
389 @c RE0 ¤È @c RE1 ¤ÏÀè¹Ô¤ÎÎó S0 ¤È¸å³¤ÎÎó S1 ¤Ë¤½¤ì¤¾¤ìÂбþ¤¹¤ëÀµµ¬É½
392 Æó¤Ä¤ÎÀµµ¬É½¸½¤Î´Ö¤Î¥¹¥Ú¡¼¥¹¤ËÃí°Õ¡£¤³¤ì¤ÏÆÃÊ̤ʥ«¥Æ¥´¥ê ' ' ¤ò¼¨¤·¤Æ
393 ¤¤¤ë (¾åµ»²¾È) ¡£¤³¤ÎÀµµ¬É½¸½¤Ï¥Õ¥©¥ó¥È F1 ¤ò»ÈÍѤ¹¤ë¥°¥ê¥ÕÀ¸À®µ¬Â§¤Ë
394 °¤·¤Æ¤ª¤ê¡¢¤·¤¿¤¬¤Ã¤Æ RE1 ¤À¤±¤Ç¤Ê¤¯RE0 ¤â F1 ÍѤΥ«¥Æ¥´¥ê¤òÍѤ¤¤Æɽ
395 ¸½¤µ¤ì¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£¤Ä¤Þ¤ê¡¢Àè¹Ô¤¹¤ëÎóS0 ¤¬ F1 ÍѤΥ«¥Æ¥´¥ê¤Çɽ¤»
396 ¤Ê¤¤¾ì¹ç¤Ë¤Ï(¾å¤ÎºÇ½é¤ÎÎã¤Î¤è¤¦¤Ë) ¤³¤Î¥Ñ¥¿¡¼¥ó¤ò»ý¤ÄÀ¸À®µ¬Â§¤Ë¤Ï¹çÃ×
399 @section flt-seealso »²¾È
401 @ref mdbGeneral "mdbGeneral(5)",
402 @ref flt-list "FLTs provided by the m17n database"
406 Copyright (C) 2003, 2004
407 National Institute of Advanced Industrial Science and Technology (AIST)
408 Registration Number H15PRO112
410 This file is part of the m17n database; a sub-part of the m17n
413 The m17n library is free software; you can redistribute it and/or
414 modify it under the terms of the GNU Lesser General Public License
415 as published by the Free Software Foundation; either version 2.1 of
416 the License, or (at your option) any later version.
418 The m17n library is distributed in the hope that it will be useful,
419 but WITHOUT ANY WARRANTY; without even the implied warranty of
420 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
421 Lesser General Public License for more details.
423 You should have received a copy of the GNU Lesser General Public
424 License along with the m17n library; if not, write to the Free
425 Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
426 Boston, MA 02110-1301, USA.