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Diffstat (limited to 'modules/thai/thai-charprop.h')
| -rw-r--r-- | modules/thai/thai-charprop.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/modules/thai/thai-charprop.h b/modules/thai/thai-charprop.h new file mode 100644 index 00000000..38aec4c2 --- /dev/null +++ b/modules/thai/thai-charprop.h @@ -0,0 +1,98 @@ +/* Pango + * thai-charprop.h: + * + * Copyright (C) 1999 Red Hat Software + * Author: Owen Taylor <otaylor@redhat.com> + * + * Software and Language Engineering Laboratory, NECTEC + * Author: Theppitak Karoonboonyanan <thep@links.nectec.or.th> + * + * Copyright (c) 1996-2000 by Sun Microsystems, Inc. + * Author: Chookij Vanatham <Chookij.Vanatham@Eng.Sun.COM> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This 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 + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifndef __THAI_CHARPROP_H__ +#define __THAI_CHARPROP_H__ + +#include <glib.h> + +#define isthai(wc) (0x0E00 <= (wc) && (wc) < 0x0E60) +#define islao(wc) (0x0E80 <= (wc) && (wc) < 0x0EE0) +/* ucs2tis() + * Lao: [0x0E80..0x0EDF] -> [0x20..0x7F] + * Thai: [0x0E00..0x0E5F] -> [0xA0..0xFF] + */ +#define ucs2tis(wc) (((wc) - 0x0E00 + 0x20)^0x80) + +/* Define TACTIS character classes */ +#define CTRL 0 +#define NON 1 +#define CONS 2 +#define LV 3 +#define FV1 4 +#define FV2 5 +#define FV3 6 +#define AM 7 +#define BV1 8 +#define BV2 9 +#define BD 10 +#define TONE 11 +#define AD1 12 +#define AD2 13 +#define AD3 14 +#define AD4 15 +#define AV1 16 +#define AV2 17 +#define AV3 18 +#define BCON 19 + +#define _ND 0 +#define _NC 1 +#define _UC (1<<1) +#define _BC (1<<2) +#define _SC (1<<3) +#define _AV (1<<4) +#define _BV (1<<5) +#define _TN (1<<6) +#define _AD (1<<7) +#define _BD (1<<8) +#define _AM (1<<9) + +#define NoTailCons _NC +#define UpTailCons _UC +#define BotTailCons _BC +#define SpltTailCons _SC +#define Cons (NoTailCons|UpTailCons|BotTailCons|SpltTailCons) +#define AboveVowel _AV +#define BelowVowel _BV +#define Tone _TN +#define AboveDiac _AD +#define BelowDiac _BD +#define SaraAm _AM + +#define is_char_type(wc, mask) (thai_char_type[ucs2tis ((wc))] & (mask)) +#define TAC_char_class(wc) \ + (isthai(wc)||islao(wc) ? thai_TAC_char_class[ucs2tis (wc)] : NON) +#define TAC_compose_input(wc1,wc2) \ + thai_TAC_compose_input[TAC_char_class(wc1)][TAC_char_class(wc2)] + +extern const gshort thai_char_type[256]; +extern const gshort thai_TAC_char_class[256]; +extern const gchar thai_TAC_compose_input[20][20]; + +#endif /* __THAI_CHARPROP_H__ */ |